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commit: 6670ad51f7a31da618109cb0747df2242d01d72d |
2 |
Author: Mike Pagano <mpagano <AT> gentoo <DOT> org> |
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AuthorDate: Thu Jan 31 11:27:26 2019 +0000 |
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Commit: Mike Pagano <mpagano <AT> gentoo <DOT> org> |
5 |
CommitDate: Thu Jan 31 11:27:26 2019 +0000 |
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URL: https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=6670ad51 |
7 |
|
8 |
proj/linux-patches: Linux patch 4.19.19 |
9 |
|
10 |
Signed-off-by: Mike Pagano <mpagano <AT> gentoo.org> |
11 |
|
12 |
0000_README | 4 + |
13 |
1018_linux-4.19.19.patch | 4389 ++++++++++++++++++++++++++++++++++++++++++++++ |
14 |
2 files changed, 4393 insertions(+) |
15 |
|
16 |
diff --git a/0000_README b/0000_README |
17 |
index 776e758..b459632 100644 |
18 |
--- a/0000_README |
19 |
+++ b/0000_README |
20 |
@@ -115,6 +115,10 @@ Patch: 1017_linux-4.19.18.patch |
21 |
From: http://www.kernel.org |
22 |
Desc: Linux 4.19.18 |
23 |
|
24 |
+Patch: 1018_linux-4.19.19.patch |
25 |
+From: http://www.kernel.org |
26 |
+Desc: Linux 4.19.19 |
27 |
+ |
28 |
Patch: 1500_XATTR_USER_PREFIX.patch |
29 |
From: https://bugs.gentoo.org/show_bug.cgi?id=470644 |
30 |
Desc: Support for namespace user.pax.* on tmpfs. |
31 |
|
32 |
diff --git a/1018_linux-4.19.19.patch b/1018_linux-4.19.19.patch |
33 |
new file mode 100644 |
34 |
index 0000000..ffdaa82 |
35 |
--- /dev/null |
36 |
+++ b/1018_linux-4.19.19.patch |
37 |
@@ -0,0 +1,4389 @@ |
38 |
+diff --git a/Makefile b/Makefile |
39 |
+index 9f37a8a9feb9..39c4e7c3c13c 100644 |
40 |
+--- a/Makefile |
41 |
++++ b/Makefile |
42 |
+@@ -1,7 +1,7 @@ |
43 |
+ # SPDX-License-Identifier: GPL-2.0 |
44 |
+ VERSION = 4 |
45 |
+ PATCHLEVEL = 19 |
46 |
+-SUBLEVEL = 18 |
47 |
++SUBLEVEL = 19 |
48 |
+ EXTRAVERSION = |
49 |
+ NAME = "People's Front" |
50 |
+ |
51 |
+diff --git a/arch/arc/include/asm/perf_event.h b/arch/arc/include/asm/perf_event.h |
52 |
+index 9185541035cc..6958545390f0 100644 |
53 |
+--- a/arch/arc/include/asm/perf_event.h |
54 |
++++ b/arch/arc/include/asm/perf_event.h |
55 |
+@@ -103,7 +103,8 @@ static const char * const arc_pmu_ev_hw_map[] = { |
56 |
+ |
57 |
+ /* counts condition */ |
58 |
+ [PERF_COUNT_HW_INSTRUCTIONS] = "iall", |
59 |
+- [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = "ijmp", /* Excludes ZOL jumps */ |
60 |
++ /* All jump instructions that are taken */ |
61 |
++ [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = "ijmptak", |
62 |
+ [PERF_COUNT_ARC_BPOK] = "bpok", /* NP-NT, PT-T, PNT-NT */ |
63 |
+ #ifdef CONFIG_ISA_ARCV2 |
64 |
+ [PERF_COUNT_HW_BRANCH_MISSES] = "bpmp", |
65 |
+diff --git a/arch/arc/lib/memset-archs.S b/arch/arc/lib/memset-archs.S |
66 |
+index 62ad4bcb841a..f230bb7092fd 100644 |
67 |
+--- a/arch/arc/lib/memset-archs.S |
68 |
++++ b/arch/arc/lib/memset-archs.S |
69 |
+@@ -7,11 +7,39 @@ |
70 |
+ */ |
71 |
+ |
72 |
+ #include <linux/linkage.h> |
73 |
++#include <asm/cache.h> |
74 |
+ |
75 |
+-#undef PREALLOC_NOT_AVAIL |
76 |
++/* |
77 |
++ * The memset implementation below is optimized to use prefetchw and prealloc |
78 |
++ * instruction in case of CPU with 64B L1 data cache line (L1_CACHE_SHIFT == 6) |
79 |
++ * If you want to implement optimized memset for other possible L1 data cache |
80 |
++ * line lengths (32B and 128B) you should rewrite code carefully checking |
81 |
++ * we don't call any prefetchw/prealloc instruction for L1 cache lines which |
82 |
++ * don't belongs to memset area. |
83 |
++ */ |
84 |
++ |
85 |
++#if L1_CACHE_SHIFT == 6 |
86 |
++ |
87 |
++.macro PREALLOC_INSTR reg, off |
88 |
++ prealloc [\reg, \off] |
89 |
++.endm |
90 |
++ |
91 |
++.macro PREFETCHW_INSTR reg, off |
92 |
++ prefetchw [\reg, \off] |
93 |
++.endm |
94 |
++ |
95 |
++#else |
96 |
++ |
97 |
++.macro PREALLOC_INSTR |
98 |
++.endm |
99 |
++ |
100 |
++.macro PREFETCHW_INSTR |
101 |
++.endm |
102 |
++ |
103 |
++#endif |
104 |
+ |
105 |
+ ENTRY_CFI(memset) |
106 |
+- prefetchw [r0] ; Prefetch the write location |
107 |
++ PREFETCHW_INSTR r0, 0 ; Prefetch the first write location |
108 |
+ mov.f 0, r2 |
109 |
+ ;;; if size is zero |
110 |
+ jz.d [blink] |
111 |
+@@ -48,11 +76,8 @@ ENTRY_CFI(memset) |
112 |
+ |
113 |
+ lpnz @.Lset64bytes |
114 |
+ ;; LOOP START |
115 |
+-#ifdef PREALLOC_NOT_AVAIL |
116 |
+- prefetchw [r3, 64] ;Prefetch the next write location |
117 |
+-#else |
118 |
+- prealloc [r3, 64] |
119 |
+-#endif |
120 |
++ PREALLOC_INSTR r3, 64 ; alloc next line w/o fetching |
121 |
++ |
122 |
+ #ifdef CONFIG_ARC_HAS_LL64 |
123 |
+ std.ab r4, [r3, 8] |
124 |
+ std.ab r4, [r3, 8] |
125 |
+@@ -85,7 +110,6 @@ ENTRY_CFI(memset) |
126 |
+ lsr.f lp_count, r2, 5 ;Last remaining max 124 bytes |
127 |
+ lpnz .Lset32bytes |
128 |
+ ;; LOOP START |
129 |
+- prefetchw [r3, 32] ;Prefetch the next write location |
130 |
+ #ifdef CONFIG_ARC_HAS_LL64 |
131 |
+ std.ab r4, [r3, 8] |
132 |
+ std.ab r4, [r3, 8] |
133 |
+diff --git a/arch/arc/mm/init.c b/arch/arc/mm/init.c |
134 |
+index ba145065c579..f890b2f9f82f 100644 |
135 |
+--- a/arch/arc/mm/init.c |
136 |
++++ b/arch/arc/mm/init.c |
137 |
+@@ -138,7 +138,8 @@ void __init setup_arch_memory(void) |
138 |
+ */ |
139 |
+ |
140 |
+ memblock_add_node(low_mem_start, low_mem_sz, 0); |
141 |
+- memblock_reserve(low_mem_start, __pa(_end) - low_mem_start); |
142 |
++ memblock_reserve(CONFIG_LINUX_LINK_BASE, |
143 |
++ __pa(_end) - CONFIG_LINUX_LINK_BASE); |
144 |
+ |
145 |
+ #ifdef CONFIG_BLK_DEV_INITRD |
146 |
+ if (initrd_start) |
147 |
+diff --git a/arch/s390/include/asm/mmu_context.h b/arch/s390/include/asm/mmu_context.h |
148 |
+index f1ab9420ccfb..09b61d0e491f 100644 |
149 |
+--- a/arch/s390/include/asm/mmu_context.h |
150 |
++++ b/arch/s390/include/asm/mmu_context.h |
151 |
+@@ -89,8 +89,6 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next, |
152 |
+ { |
153 |
+ int cpu = smp_processor_id(); |
154 |
+ |
155 |
+- if (prev == next) |
156 |
+- return; |
157 |
+ S390_lowcore.user_asce = next->context.asce; |
158 |
+ cpumask_set_cpu(cpu, &next->context.cpu_attach_mask); |
159 |
+ /* Clear previous user-ASCE from CR1 and CR7 */ |
160 |
+@@ -102,7 +100,8 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next, |
161 |
+ __ctl_load(S390_lowcore.vdso_asce, 7, 7); |
162 |
+ clear_cpu_flag(CIF_ASCE_SECONDARY); |
163 |
+ } |
164 |
+- cpumask_clear_cpu(cpu, &prev->context.cpu_attach_mask); |
165 |
++ if (prev != next) |
166 |
++ cpumask_clear_cpu(cpu, &prev->context.cpu_attach_mask); |
167 |
+ } |
168 |
+ |
169 |
+ #define finish_arch_post_lock_switch finish_arch_post_lock_switch |
170 |
+diff --git a/arch/s390/kernel/early.c b/arch/s390/kernel/early.c |
171 |
+index 5b28b434f8a1..e7e6608b996c 100644 |
172 |
+--- a/arch/s390/kernel/early.c |
173 |
++++ b/arch/s390/kernel/early.c |
174 |
+@@ -64,10 +64,10 @@ static noinline __init void detect_machine_type(void) |
175 |
+ if (stsi(vmms, 3, 2, 2) || !vmms->count) |
176 |
+ return; |
177 |
+ |
178 |
+- /* Running under KVM? If not we assume z/VM */ |
179 |
++ /* Detect known hypervisors */ |
180 |
+ if (!memcmp(vmms->vm[0].cpi, "\xd2\xe5\xd4", 3)) |
181 |
+ S390_lowcore.machine_flags |= MACHINE_FLAG_KVM; |
182 |
+- else |
183 |
++ else if (!memcmp(vmms->vm[0].cpi, "\xa9\x61\xe5\xd4", 4)) |
184 |
+ S390_lowcore.machine_flags |= MACHINE_FLAG_VM; |
185 |
+ } |
186 |
+ |
187 |
+diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c |
188 |
+index c637c12f9e37..a0097f8bada8 100644 |
189 |
+--- a/arch/s390/kernel/setup.c |
190 |
++++ b/arch/s390/kernel/setup.c |
191 |
+@@ -882,6 +882,8 @@ void __init setup_arch(char **cmdline_p) |
192 |
+ pr_info("Linux is running under KVM in 64-bit mode\n"); |
193 |
+ else if (MACHINE_IS_LPAR) |
194 |
+ pr_info("Linux is running natively in 64-bit mode\n"); |
195 |
++ else |
196 |
++ pr_info("Linux is running as a guest in 64-bit mode\n"); |
197 |
+ |
198 |
+ /* Have one command line that is parsed and saved in /proc/cmdline */ |
199 |
+ /* boot_command_line has been already set up in early.c */ |
200 |
+diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c |
201 |
+index 2f8f7d7dd9a8..da02f4087d61 100644 |
202 |
+--- a/arch/s390/kernel/smp.c |
203 |
++++ b/arch/s390/kernel/smp.c |
204 |
+@@ -371,9 +371,13 @@ void smp_call_online_cpu(void (*func)(void *), void *data) |
205 |
+ */ |
206 |
+ void smp_call_ipl_cpu(void (*func)(void *), void *data) |
207 |
+ { |
208 |
++ struct lowcore *lc = pcpu_devices->lowcore; |
209 |
++ |
210 |
++ if (pcpu_devices[0].address == stap()) |
211 |
++ lc = &S390_lowcore; |
212 |
++ |
213 |
+ pcpu_delegate(&pcpu_devices[0], func, data, |
214 |
+- pcpu_devices->lowcore->panic_stack - |
215 |
+- PANIC_FRAME_OFFSET + PAGE_SIZE); |
216 |
++ lc->panic_stack - PANIC_FRAME_OFFSET + PAGE_SIZE); |
217 |
+ } |
218 |
+ |
219 |
+ int smp_find_processor_id(u16 address) |
220 |
+@@ -1152,7 +1156,11 @@ static ssize_t __ref rescan_store(struct device *dev, |
221 |
+ { |
222 |
+ int rc; |
223 |
+ |
224 |
++ rc = lock_device_hotplug_sysfs(); |
225 |
++ if (rc) |
226 |
++ return rc; |
227 |
+ rc = smp_rescan_cpus(); |
228 |
++ unlock_device_hotplug(); |
229 |
+ return rc ? rc : count; |
230 |
+ } |
231 |
+ static DEVICE_ATTR_WO(rescan); |
232 |
+diff --git a/arch/x86/entry/entry_64_compat.S b/arch/x86/entry/entry_64_compat.S |
233 |
+index 7d0df78db727..40d2834a8101 100644 |
234 |
+--- a/arch/x86/entry/entry_64_compat.S |
235 |
++++ b/arch/x86/entry/entry_64_compat.S |
236 |
+@@ -356,7 +356,8 @@ ENTRY(entry_INT80_compat) |
237 |
+ |
238 |
+ /* Need to switch before accessing the thread stack. */ |
239 |
+ SWITCH_TO_KERNEL_CR3 scratch_reg=%rdi |
240 |
+- movq %rsp, %rdi |
241 |
++ /* In the Xen PV case we already run on the thread stack. */ |
242 |
++ ALTERNATIVE "movq %rsp, %rdi", "jmp .Lint80_keep_stack", X86_FEATURE_XENPV |
243 |
+ movq PER_CPU_VAR(cpu_current_top_of_stack), %rsp |
244 |
+ |
245 |
+ pushq 6*8(%rdi) /* regs->ss */ |
246 |
+@@ -365,8 +366,9 @@ ENTRY(entry_INT80_compat) |
247 |
+ pushq 3*8(%rdi) /* regs->cs */ |
248 |
+ pushq 2*8(%rdi) /* regs->ip */ |
249 |
+ pushq 1*8(%rdi) /* regs->orig_ax */ |
250 |
+- |
251 |
+ pushq (%rdi) /* pt_regs->di */ |
252 |
++.Lint80_keep_stack: |
253 |
++ |
254 |
+ pushq %rsi /* pt_regs->si */ |
255 |
+ xorl %esi, %esi /* nospec si */ |
256 |
+ pushq %rdx /* pt_regs->dx */ |
257 |
+diff --git a/arch/x86/include/asm/mmu_context.h b/arch/x86/include/asm/mmu_context.h |
258 |
+index eeeb9289c764..2252b63d38b5 100644 |
259 |
+--- a/arch/x86/include/asm/mmu_context.h |
260 |
++++ b/arch/x86/include/asm/mmu_context.h |
261 |
+@@ -178,6 +178,10 @@ static inline void switch_ldt(struct mm_struct *prev, struct mm_struct *next) |
262 |
+ |
263 |
+ void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk); |
264 |
+ |
265 |
++/* |
266 |
++ * Init a new mm. Used on mm copies, like at fork() |
267 |
++ * and on mm's that are brand-new, like at execve(). |
268 |
++ */ |
269 |
+ static inline int init_new_context(struct task_struct *tsk, |
270 |
+ struct mm_struct *mm) |
271 |
+ { |
272 |
+@@ -228,8 +232,22 @@ do { \ |
273 |
+ } while (0) |
274 |
+ #endif |
275 |
+ |
276 |
++static inline void arch_dup_pkeys(struct mm_struct *oldmm, |
277 |
++ struct mm_struct *mm) |
278 |
++{ |
279 |
++#ifdef CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS |
280 |
++ if (!cpu_feature_enabled(X86_FEATURE_OSPKE)) |
281 |
++ return; |
282 |
++ |
283 |
++ /* Duplicate the oldmm pkey state in mm: */ |
284 |
++ mm->context.pkey_allocation_map = oldmm->context.pkey_allocation_map; |
285 |
++ mm->context.execute_only_pkey = oldmm->context.execute_only_pkey; |
286 |
++#endif |
287 |
++} |
288 |
++ |
289 |
+ static inline int arch_dup_mmap(struct mm_struct *oldmm, struct mm_struct *mm) |
290 |
+ { |
291 |
++ arch_dup_pkeys(oldmm, mm); |
292 |
+ paravirt_arch_dup_mmap(oldmm, mm); |
293 |
+ return ldt_dup_context(oldmm, mm); |
294 |
+ } |
295 |
+diff --git a/arch/x86/kernel/kvm.c b/arch/x86/kernel/kvm.c |
296 |
+index d9b71924c23c..7f89d609095a 100644 |
297 |
+--- a/arch/x86/kernel/kvm.c |
298 |
++++ b/arch/x86/kernel/kvm.c |
299 |
+@@ -457,6 +457,7 @@ static void __send_ipi_mask(const struct cpumask *mask, int vector) |
300 |
+ #else |
301 |
+ u64 ipi_bitmap = 0; |
302 |
+ #endif |
303 |
++ long ret; |
304 |
+ |
305 |
+ if (cpumask_empty(mask)) |
306 |
+ return; |
307 |
+@@ -482,8 +483,9 @@ static void __send_ipi_mask(const struct cpumask *mask, int vector) |
308 |
+ } else if (apic_id < min + KVM_IPI_CLUSTER_SIZE) { |
309 |
+ max = apic_id < max ? max : apic_id; |
310 |
+ } else { |
311 |
+- kvm_hypercall4(KVM_HC_SEND_IPI, (unsigned long)ipi_bitmap, |
312 |
++ ret = kvm_hypercall4(KVM_HC_SEND_IPI, (unsigned long)ipi_bitmap, |
313 |
+ (unsigned long)(ipi_bitmap >> BITS_PER_LONG), min, icr); |
314 |
++ WARN_ONCE(ret < 0, "KVM: failed to send PV IPI: %ld", ret); |
315 |
+ min = max = apic_id; |
316 |
+ ipi_bitmap = 0; |
317 |
+ } |
318 |
+@@ -491,8 +493,9 @@ static void __send_ipi_mask(const struct cpumask *mask, int vector) |
319 |
+ } |
320 |
+ |
321 |
+ if (ipi_bitmap) { |
322 |
+- kvm_hypercall4(KVM_HC_SEND_IPI, (unsigned long)ipi_bitmap, |
323 |
++ ret = kvm_hypercall4(KVM_HC_SEND_IPI, (unsigned long)ipi_bitmap, |
324 |
+ (unsigned long)(ipi_bitmap >> BITS_PER_LONG), min, icr); |
325 |
++ WARN_ONCE(ret < 0, "KVM: failed to send PV IPI: %ld", ret); |
326 |
+ } |
327 |
+ |
328 |
+ local_irq_restore(flags); |
329 |
+diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c |
330 |
+index 841740045554..39a0e34ff676 100644 |
331 |
+--- a/arch/x86/kvm/vmx.c |
332 |
++++ b/arch/x86/kvm/vmx.c |
333 |
+@@ -8290,11 +8290,11 @@ static int enter_vmx_operation(struct kvm_vcpu *vcpu) |
334 |
+ if (r < 0) |
335 |
+ goto out_vmcs02; |
336 |
+ |
337 |
+- vmx->nested.cached_vmcs12 = kmalloc(VMCS12_SIZE, GFP_KERNEL); |
338 |
++ vmx->nested.cached_vmcs12 = kzalloc(VMCS12_SIZE, GFP_KERNEL); |
339 |
+ if (!vmx->nested.cached_vmcs12) |
340 |
+ goto out_cached_vmcs12; |
341 |
+ |
342 |
+- vmx->nested.cached_shadow_vmcs12 = kmalloc(VMCS12_SIZE, GFP_KERNEL); |
343 |
++ vmx->nested.cached_shadow_vmcs12 = kzalloc(VMCS12_SIZE, GFP_KERNEL); |
344 |
+ if (!vmx->nested.cached_shadow_vmcs12) |
345 |
+ goto out_cached_shadow_vmcs12; |
346 |
+ |
347 |
+@@ -11733,7 +11733,7 @@ static int nested_vmx_check_apicv_controls(struct kvm_vcpu *vcpu, |
348 |
+ !nested_exit_intr_ack_set(vcpu) || |
349 |
+ (vmcs12->posted_intr_nv & 0xff00) || |
350 |
+ (vmcs12->posted_intr_desc_addr & 0x3f) || |
351 |
+- (!page_address_valid(vcpu, vmcs12->posted_intr_desc_addr)))) |
352 |
++ (vmcs12->posted_intr_desc_addr >> cpuid_maxphyaddr(vcpu)))) |
353 |
+ return -EINVAL; |
354 |
+ |
355 |
+ /* tpr shadow is needed by all apicv features. */ |
356 |
+@@ -13984,13 +13984,17 @@ static int vmx_get_nested_state(struct kvm_vcpu *vcpu, |
357 |
+ else if (enable_shadow_vmcs && !vmx->nested.sync_shadow_vmcs) |
358 |
+ copy_shadow_to_vmcs12(vmx); |
359 |
+ |
360 |
+- if (copy_to_user(user_kvm_nested_state->data, vmcs12, sizeof(*vmcs12))) |
361 |
++ /* |
362 |
++ * Copy over the full allocated size of vmcs12 rather than just the size |
363 |
++ * of the struct. |
364 |
++ */ |
365 |
++ if (copy_to_user(user_kvm_nested_state->data, vmcs12, VMCS12_SIZE)) |
366 |
+ return -EFAULT; |
367 |
+ |
368 |
+ if (nested_cpu_has_shadow_vmcs(vmcs12) && |
369 |
+ vmcs12->vmcs_link_pointer != -1ull) { |
370 |
+ if (copy_to_user(user_kvm_nested_state->data + VMCS12_SIZE, |
371 |
+- get_shadow_vmcs12(vcpu), sizeof(*vmcs12))) |
372 |
++ get_shadow_vmcs12(vcpu), VMCS12_SIZE)) |
373 |
+ return -EFAULT; |
374 |
+ } |
375 |
+ |
376 |
+diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c |
377 |
+index 956eecd227f8..5a9a3ebe8fba 100644 |
378 |
+--- a/arch/x86/kvm/x86.c |
379 |
++++ b/arch/x86/kvm/x86.c |
380 |
+@@ -6277,8 +6277,7 @@ restart: |
381 |
+ toggle_interruptibility(vcpu, ctxt->interruptibility); |
382 |
+ vcpu->arch.emulate_regs_need_sync_to_vcpu = false; |
383 |
+ kvm_rip_write(vcpu, ctxt->eip); |
384 |
+- if (r == EMULATE_DONE && |
385 |
+- (ctxt->tf || (vcpu->guest_debug & KVM_GUESTDBG_SINGLESTEP))) |
386 |
++ if (r == EMULATE_DONE && ctxt->tf) |
387 |
+ kvm_vcpu_do_singlestep(vcpu, &r); |
388 |
+ if (!ctxt->have_exception || |
389 |
+ exception_type(ctxt->exception.vector) == EXCPT_TRAP) |
390 |
+@@ -6868,10 +6867,10 @@ int kvm_emulate_hypercall(struct kvm_vcpu *vcpu) |
391 |
+ case KVM_HC_CLOCK_PAIRING: |
392 |
+ ret = kvm_pv_clock_pairing(vcpu, a0, a1); |
393 |
+ break; |
394 |
++#endif |
395 |
+ case KVM_HC_SEND_IPI: |
396 |
+ ret = kvm_pv_send_ipi(vcpu->kvm, a0, a1, a2, a3, op_64_bit); |
397 |
+ break; |
398 |
+-#endif |
399 |
+ default: |
400 |
+ ret = -KVM_ENOSYS; |
401 |
+ break; |
402 |
+diff --git a/arch/x86/lib/kaslr.c b/arch/x86/lib/kaslr.c |
403 |
+index 79778ab200e4..a53665116458 100644 |
404 |
+--- a/arch/x86/lib/kaslr.c |
405 |
++++ b/arch/x86/lib/kaslr.c |
406 |
+@@ -36,8 +36,8 @@ static inline u16 i8254(void) |
407 |
+ u16 status, timer; |
408 |
+ |
409 |
+ do { |
410 |
+- outb(I8254_PORT_CONTROL, |
411 |
+- I8254_CMD_READBACK | I8254_SELECT_COUNTER0); |
412 |
++ outb(I8254_CMD_READBACK | I8254_SELECT_COUNTER0, |
413 |
++ I8254_PORT_CONTROL); |
414 |
+ status = inb(I8254_PORT_COUNTER0); |
415 |
+ timer = inb(I8254_PORT_COUNTER0); |
416 |
+ timer |= inb(I8254_PORT_COUNTER0) << 8; |
417 |
+diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c |
418 |
+index 75b331f8a16a..ea59c01ce8db 100644 |
419 |
+--- a/drivers/acpi/nfit/core.c |
420 |
++++ b/drivers/acpi/nfit/core.c |
421 |
+@@ -391,6 +391,32 @@ static u8 nfit_dsm_revid(unsigned family, unsigned func) |
422 |
+ return id; |
423 |
+ } |
424 |
+ |
425 |
++static int cmd_to_func(struct nfit_mem *nfit_mem, unsigned int cmd, |
426 |
++ struct nd_cmd_pkg *call_pkg) |
427 |
++{ |
428 |
++ if (call_pkg) { |
429 |
++ int i; |
430 |
++ |
431 |
++ if (nfit_mem->family != call_pkg->nd_family) |
432 |
++ return -ENOTTY; |
433 |
++ |
434 |
++ for (i = 0; i < ARRAY_SIZE(call_pkg->nd_reserved2); i++) |
435 |
++ if (call_pkg->nd_reserved2[i]) |
436 |
++ return -EINVAL; |
437 |
++ return call_pkg->nd_command; |
438 |
++ } |
439 |
++ |
440 |
++ /* Linux ND commands == NVDIMM_FAMILY_INTEL function numbers */ |
441 |
++ if (nfit_mem->family == NVDIMM_FAMILY_INTEL) |
442 |
++ return cmd; |
443 |
++ |
444 |
++ /* |
445 |
++ * Force function number validation to fail since 0 is never |
446 |
++ * published as a valid function in dsm_mask. |
447 |
++ */ |
448 |
++ return 0; |
449 |
++} |
450 |
++ |
451 |
+ int acpi_nfit_ctl(struct nvdimm_bus_descriptor *nd_desc, struct nvdimm *nvdimm, |
452 |
+ unsigned int cmd, void *buf, unsigned int buf_len, int *cmd_rc) |
453 |
+ { |
454 |
+@@ -404,30 +430,23 @@ int acpi_nfit_ctl(struct nvdimm_bus_descriptor *nd_desc, struct nvdimm *nvdimm, |
455 |
+ unsigned long cmd_mask, dsm_mask; |
456 |
+ u32 offset, fw_status = 0; |
457 |
+ acpi_handle handle; |
458 |
+- unsigned int func; |
459 |
+ const guid_t *guid; |
460 |
+- int rc, i; |
461 |
++ int func, rc, i; |
462 |
+ |
463 |
+ if (cmd_rc) |
464 |
+ *cmd_rc = -EINVAL; |
465 |
+- func = cmd; |
466 |
+- if (cmd == ND_CMD_CALL) { |
467 |
+- call_pkg = buf; |
468 |
+- func = call_pkg->nd_command; |
469 |
+- |
470 |
+- for (i = 0; i < ARRAY_SIZE(call_pkg->nd_reserved2); i++) |
471 |
+- if (call_pkg->nd_reserved2[i]) |
472 |
+- return -EINVAL; |
473 |
+- } |
474 |
+ |
475 |
+ if (nvdimm) { |
476 |
+ struct acpi_device *adev = nfit_mem->adev; |
477 |
+ |
478 |
+ if (!adev) |
479 |
+ return -ENOTTY; |
480 |
+- if (call_pkg && nfit_mem->family != call_pkg->nd_family) |
481 |
+- return -ENOTTY; |
482 |
+ |
483 |
++ if (cmd == ND_CMD_CALL) |
484 |
++ call_pkg = buf; |
485 |
++ func = cmd_to_func(nfit_mem, cmd, call_pkg); |
486 |
++ if (func < 0) |
487 |
++ return func; |
488 |
+ dimm_name = nvdimm_name(nvdimm); |
489 |
+ cmd_name = nvdimm_cmd_name(cmd); |
490 |
+ cmd_mask = nvdimm_cmd_mask(nvdimm); |
491 |
+@@ -438,6 +457,7 @@ int acpi_nfit_ctl(struct nvdimm_bus_descriptor *nd_desc, struct nvdimm *nvdimm, |
492 |
+ } else { |
493 |
+ struct acpi_device *adev = to_acpi_dev(acpi_desc); |
494 |
+ |
495 |
++ func = cmd; |
496 |
+ cmd_name = nvdimm_bus_cmd_name(cmd); |
497 |
+ cmd_mask = nd_desc->cmd_mask; |
498 |
+ dsm_mask = cmd_mask; |
499 |
+@@ -452,7 +472,13 @@ int acpi_nfit_ctl(struct nvdimm_bus_descriptor *nd_desc, struct nvdimm *nvdimm, |
500 |
+ if (!desc || (cmd && (desc->out_num + desc->in_num == 0))) |
501 |
+ return -ENOTTY; |
502 |
+ |
503 |
+- if (!test_bit(cmd, &cmd_mask) || !test_bit(func, &dsm_mask)) |
504 |
++ /* |
505 |
++ * Check for a valid command. For ND_CMD_CALL, we also have to |
506 |
++ * make sure that the DSM function is supported. |
507 |
++ */ |
508 |
++ if (cmd == ND_CMD_CALL && !test_bit(func, &dsm_mask)) |
509 |
++ return -ENOTTY; |
510 |
++ else if (!test_bit(cmd, &cmd_mask)) |
511 |
+ return -ENOTTY; |
512 |
+ |
513 |
+ in_obj.type = ACPI_TYPE_PACKAGE; |
514 |
+@@ -1764,6 +1790,13 @@ static int acpi_nfit_add_dimm(struct acpi_nfit_desc *acpi_desc, |
515 |
+ return 0; |
516 |
+ } |
517 |
+ |
518 |
++ /* |
519 |
++ * Function 0 is the command interrogation function, don't |
520 |
++ * export it to potential userspace use, and enable it to be |
521 |
++ * used as an error value in acpi_nfit_ctl(). |
522 |
++ */ |
523 |
++ dsm_mask &= ~1UL; |
524 |
++ |
525 |
+ guid = to_nfit_uuid(nfit_mem->family); |
526 |
+ for_each_set_bit(i, &dsm_mask, BITS_PER_LONG) |
527 |
+ if (acpi_check_dsm(adev_dimm->handle, guid, |
528 |
+diff --git a/drivers/char/mwave/mwavedd.c b/drivers/char/mwave/mwavedd.c |
529 |
+index b5e3103c1175..e43c876a9223 100644 |
530 |
+--- a/drivers/char/mwave/mwavedd.c |
531 |
++++ b/drivers/char/mwave/mwavedd.c |
532 |
+@@ -59,6 +59,7 @@ |
533 |
+ #include <linux/mutex.h> |
534 |
+ #include <linux/delay.h> |
535 |
+ #include <linux/serial_8250.h> |
536 |
++#include <linux/nospec.h> |
537 |
+ #include "smapi.h" |
538 |
+ #include "mwavedd.h" |
539 |
+ #include "3780i.h" |
540 |
+@@ -289,6 +290,8 @@ static long mwave_ioctl(struct file *file, unsigned int iocmd, |
541 |
+ ipcnum); |
542 |
+ return -EINVAL; |
543 |
+ } |
544 |
++ ipcnum = array_index_nospec(ipcnum, |
545 |
++ ARRAY_SIZE(pDrvData->IPCs)); |
546 |
+ PRINTK_3(TRACE_MWAVE, |
547 |
+ "mwavedd::mwave_ioctl IOCTL_MW_REGISTER_IPC" |
548 |
+ " ipcnum %x entry usIntCount %x\n", |
549 |
+@@ -317,6 +320,8 @@ static long mwave_ioctl(struct file *file, unsigned int iocmd, |
550 |
+ " Invalid ipcnum %x\n", ipcnum); |
551 |
+ return -EINVAL; |
552 |
+ } |
553 |
++ ipcnum = array_index_nospec(ipcnum, |
554 |
++ ARRAY_SIZE(pDrvData->IPCs)); |
555 |
+ PRINTK_3(TRACE_MWAVE, |
556 |
+ "mwavedd::mwave_ioctl IOCTL_MW_GET_IPC" |
557 |
+ " ipcnum %x, usIntCount %x\n", |
558 |
+@@ -383,6 +388,8 @@ static long mwave_ioctl(struct file *file, unsigned int iocmd, |
559 |
+ ipcnum); |
560 |
+ return -EINVAL; |
561 |
+ } |
562 |
++ ipcnum = array_index_nospec(ipcnum, |
563 |
++ ARRAY_SIZE(pDrvData->IPCs)); |
564 |
+ mutex_lock(&mwave_mutex); |
565 |
+ if (pDrvData->IPCs[ipcnum].bIsEnabled == true) { |
566 |
+ pDrvData->IPCs[ipcnum].bIsEnabled = false; |
567 |
+diff --git a/drivers/clk/socfpga/clk-pll-s10.c b/drivers/clk/socfpga/clk-pll-s10.c |
568 |
+index 2d5d8b43727e..c4d0b6f6abf2 100644 |
569 |
+--- a/drivers/clk/socfpga/clk-pll-s10.c |
570 |
++++ b/drivers/clk/socfpga/clk-pll-s10.c |
571 |
+@@ -43,7 +43,7 @@ static unsigned long clk_pll_recalc_rate(struct clk_hw *hwclk, |
572 |
+ /* Read mdiv and fdiv from the fdbck register */ |
573 |
+ reg = readl(socfpgaclk->hw.reg + 0x4); |
574 |
+ mdiv = (reg & SOCFPGA_PLL_MDIV_MASK) >> SOCFPGA_PLL_MDIV_SHIFT; |
575 |
+- vco_freq = (unsigned long long)parent_rate * (mdiv + 6); |
576 |
++ vco_freq = (unsigned long long)vco_freq * (mdiv + 6); |
577 |
+ |
578 |
+ return (unsigned long)vco_freq; |
579 |
+ } |
580 |
+diff --git a/drivers/clk/socfpga/clk-s10.c b/drivers/clk/socfpga/clk-s10.c |
581 |
+index 5b238fc314ac..8281dfbf38c2 100644 |
582 |
+--- a/drivers/clk/socfpga/clk-s10.c |
583 |
++++ b/drivers/clk/socfpga/clk-s10.c |
584 |
+@@ -12,17 +12,17 @@ |
585 |
+ |
586 |
+ #include "stratix10-clk.h" |
587 |
+ |
588 |
+-static const char * const pll_mux[] = { "osc1", "cb_intosc_hs_div2_clk", |
589 |
+- "f2s_free_clk",}; |
590 |
++static const char * const pll_mux[] = { "osc1", "cb-intosc-hs-div2-clk", |
591 |
++ "f2s-free-clk",}; |
592 |
+ static const char * const cntr_mux[] = { "main_pll", "periph_pll", |
593 |
+- "osc1", "cb_intosc_hs_div2_clk", |
594 |
+- "f2s_free_clk"}; |
595 |
+-static const char * const boot_mux[] = { "osc1", "cb_intosc_hs_div2_clk",}; |
596 |
++ "osc1", "cb-intosc-hs-div2-clk", |
597 |
++ "f2s-free-clk"}; |
598 |
++static const char * const boot_mux[] = { "osc1", "cb-intosc-hs-div2-clk",}; |
599 |
+ |
600 |
+ static const char * const noc_free_mux[] = {"main_noc_base_clk", |
601 |
+ "peri_noc_base_clk", |
602 |
+- "osc1", "cb_intosc_hs_div2_clk", |
603 |
+- "f2s_free_clk"}; |
604 |
++ "osc1", "cb-intosc-hs-div2-clk", |
605 |
++ "f2s-free-clk"}; |
606 |
+ |
607 |
+ static const char * const emaca_free_mux[] = {"peri_emaca_clk", "boot_clk"}; |
608 |
+ static const char * const emacb_free_mux[] = {"peri_emacb_clk", "boot_clk"}; |
609 |
+@@ -33,14 +33,14 @@ static const char * const s2f_usr1_free_mux[] = {"peri_s2f_usr1_clk", "boot_clk" |
610 |
+ static const char * const psi_ref_free_mux[] = {"peri_psi_ref_clk", "boot_clk"}; |
611 |
+ static const char * const mpu_mux[] = { "mpu_free_clk", "boot_clk",}; |
612 |
+ |
613 |
+-static const char * const s2f_usr0_mux[] = {"f2s_free_clk", "boot_clk"}; |
614 |
++static const char * const s2f_usr0_mux[] = {"f2s-free-clk", "boot_clk"}; |
615 |
+ static const char * const emac_mux[] = {"emaca_free_clk", "emacb_free_clk"}; |
616 |
+ static const char * const noc_mux[] = {"noc_free_clk", "boot_clk"}; |
617 |
+ |
618 |
+ static const char * const mpu_free_mux[] = {"main_mpu_base_clk", |
619 |
+ "peri_mpu_base_clk", |
620 |
+- "osc1", "cb_intosc_hs_div2_clk", |
621 |
+- "f2s_free_clk"}; |
622 |
++ "osc1", "cb-intosc-hs-div2-clk", |
623 |
++ "f2s-free-clk"}; |
624 |
+ |
625 |
+ /* clocks in AO (always on) controller */ |
626 |
+ static const struct stratix10_pll_clock s10_pll_clks[] = { |
627 |
+diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c |
628 |
+index a028661d9e20..92b11de19581 100644 |
629 |
+--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c |
630 |
++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c |
631 |
+@@ -576,6 +576,7 @@ static const struct amdgpu_px_quirk amdgpu_px_quirk_list[] = { |
632 |
+ { 0x1002, 0x6900, 0x1028, 0x0812, AMDGPU_PX_QUIRK_FORCE_ATPX }, |
633 |
+ { 0x1002, 0x6900, 0x1028, 0x0813, AMDGPU_PX_QUIRK_FORCE_ATPX }, |
634 |
+ { 0x1002, 0x6900, 0x1025, 0x125A, AMDGPU_PX_QUIRK_FORCE_ATPX }, |
635 |
++ { 0x1002, 0x6900, 0x17AA, 0x3806, AMDGPU_PX_QUIRK_FORCE_ATPX }, |
636 |
+ { 0, 0, 0, 0, 0 }, |
637 |
+ }; |
638 |
+ |
639 |
+diff --git a/drivers/gpu/drm/meson/meson_crtc.c b/drivers/gpu/drm/meson/meson_crtc.c |
640 |
+index 191b314f9e9e..709475d5cc30 100644 |
641 |
+--- a/drivers/gpu/drm/meson/meson_crtc.c |
642 |
++++ b/drivers/gpu/drm/meson/meson_crtc.c |
643 |
+@@ -45,7 +45,6 @@ struct meson_crtc { |
644 |
+ struct drm_crtc base; |
645 |
+ struct drm_pending_vblank_event *event; |
646 |
+ struct meson_drm *priv; |
647 |
+- bool enabled; |
648 |
+ }; |
649 |
+ #define to_meson_crtc(x) container_of(x, struct meson_crtc, base) |
650 |
+ |
651 |
+@@ -81,7 +80,8 @@ static const struct drm_crtc_funcs meson_crtc_funcs = { |
652 |
+ |
653 |
+ }; |
654 |
+ |
655 |
+-static void meson_crtc_enable(struct drm_crtc *crtc) |
656 |
++static void meson_crtc_atomic_enable(struct drm_crtc *crtc, |
657 |
++ struct drm_crtc_state *old_state) |
658 |
+ { |
659 |
+ struct meson_crtc *meson_crtc = to_meson_crtc(crtc); |
660 |
+ struct drm_crtc_state *crtc_state = crtc->state; |
661 |
+@@ -103,20 +103,6 @@ static void meson_crtc_enable(struct drm_crtc *crtc) |
662 |
+ |
663 |
+ drm_crtc_vblank_on(crtc); |
664 |
+ |
665 |
+- meson_crtc->enabled = true; |
666 |
+-} |
667 |
+- |
668 |
+-static void meson_crtc_atomic_enable(struct drm_crtc *crtc, |
669 |
+- struct drm_crtc_state *old_state) |
670 |
+-{ |
671 |
+- struct meson_crtc *meson_crtc = to_meson_crtc(crtc); |
672 |
+- struct meson_drm *priv = meson_crtc->priv; |
673 |
+- |
674 |
+- DRM_DEBUG_DRIVER("\n"); |
675 |
+- |
676 |
+- if (!meson_crtc->enabled) |
677 |
+- meson_crtc_enable(crtc); |
678 |
+- |
679 |
+ priv->viu.osd1_enabled = true; |
680 |
+ } |
681 |
+ |
682 |
+@@ -142,8 +128,6 @@ static void meson_crtc_atomic_disable(struct drm_crtc *crtc, |
683 |
+ |
684 |
+ crtc->state->event = NULL; |
685 |
+ } |
686 |
+- |
687 |
+- meson_crtc->enabled = false; |
688 |
+ } |
689 |
+ |
690 |
+ static void meson_crtc_atomic_begin(struct drm_crtc *crtc, |
691 |
+@@ -152,9 +136,6 @@ static void meson_crtc_atomic_begin(struct drm_crtc *crtc, |
692 |
+ struct meson_crtc *meson_crtc = to_meson_crtc(crtc); |
693 |
+ unsigned long flags; |
694 |
+ |
695 |
+- if (crtc->state->enable && !meson_crtc->enabled) |
696 |
+- meson_crtc_enable(crtc); |
697 |
+- |
698 |
+ if (crtc->state->event) { |
699 |
+ WARN_ON(drm_crtc_vblank_get(crtc) != 0); |
700 |
+ |
701 |
+diff --git a/drivers/gpu/drm/meson/meson_drv.c b/drivers/gpu/drm/meson/meson_drv.c |
702 |
+index d3443125e661..bf5f294f172f 100644 |
703 |
+--- a/drivers/gpu/drm/meson/meson_drv.c |
704 |
++++ b/drivers/gpu/drm/meson/meson_drv.c |
705 |
+@@ -82,6 +82,10 @@ static const struct drm_mode_config_funcs meson_mode_config_funcs = { |
706 |
+ .fb_create = drm_gem_fb_create, |
707 |
+ }; |
708 |
+ |
709 |
++static const struct drm_mode_config_helper_funcs meson_mode_config_helpers = { |
710 |
++ .atomic_commit_tail = drm_atomic_helper_commit_tail_rpm, |
711 |
++}; |
712 |
++ |
713 |
+ static irqreturn_t meson_irq(int irq, void *arg) |
714 |
+ { |
715 |
+ struct drm_device *dev = arg; |
716 |
+@@ -246,6 +250,7 @@ static int meson_drv_bind_master(struct device *dev, bool has_components) |
717 |
+ drm->mode_config.max_width = 3840; |
718 |
+ drm->mode_config.max_height = 2160; |
719 |
+ drm->mode_config.funcs = &meson_mode_config_funcs; |
720 |
++ drm->mode_config.helper_private = &meson_mode_config_helpers; |
721 |
+ |
722 |
+ /* Hardware Initialization */ |
723 |
+ |
724 |
+diff --git a/drivers/hv/hv_balloon.c b/drivers/hv/hv_balloon.c |
725 |
+index b1b788082793..d2a735ac9ba1 100644 |
726 |
+--- a/drivers/hv/hv_balloon.c |
727 |
++++ b/drivers/hv/hv_balloon.c |
728 |
+@@ -888,12 +888,14 @@ static unsigned long handle_pg_range(unsigned long pg_start, |
729 |
+ pfn_cnt -= pgs_ol; |
730 |
+ /* |
731 |
+ * Check if the corresponding memory block is already |
732 |
+- * online by checking its last previously backed page. |
733 |
+- * In case it is we need to bring rest (which was not |
734 |
+- * backed previously) online too. |
735 |
++ * online. It is possible to observe struct pages still |
736 |
++ * being uninitialized here so check section instead. |
737 |
++ * In case the section is online we need to bring the |
738 |
++ * rest of pfns (which were not backed previously) |
739 |
++ * online too. |
740 |
+ */ |
741 |
+ if (start_pfn > has->start_pfn && |
742 |
+- !PageReserved(pfn_to_page(start_pfn - 1))) |
743 |
++ online_section_nr(pfn_to_section_nr(start_pfn))) |
744 |
+ hv_bring_pgs_online(has, start_pfn, pgs_ol); |
745 |
+ |
746 |
+ } |
747 |
+diff --git a/drivers/hv/ring_buffer.c b/drivers/hv/ring_buffer.c |
748 |
+index 3e90eb91db45..6cb45f256107 100644 |
749 |
+--- a/drivers/hv/ring_buffer.c |
750 |
++++ b/drivers/hv/ring_buffer.c |
751 |
+@@ -164,26 +164,25 @@ hv_get_ringbuffer_availbytes(const struct hv_ring_buffer_info *rbi, |
752 |
+ } |
753 |
+ |
754 |
+ /* Get various debug metrics for the specified ring buffer. */ |
755 |
+-void hv_ringbuffer_get_debuginfo(const struct hv_ring_buffer_info *ring_info, |
756 |
+- struct hv_ring_buffer_debug_info *debug_info) |
757 |
++int hv_ringbuffer_get_debuginfo(const struct hv_ring_buffer_info *ring_info, |
758 |
++ struct hv_ring_buffer_debug_info *debug_info) |
759 |
+ { |
760 |
+ u32 bytes_avail_towrite; |
761 |
+ u32 bytes_avail_toread; |
762 |
+ |
763 |
+- if (ring_info->ring_buffer) { |
764 |
+- hv_get_ringbuffer_availbytes(ring_info, |
765 |
+- &bytes_avail_toread, |
766 |
+- &bytes_avail_towrite); |
767 |
+- |
768 |
+- debug_info->bytes_avail_toread = bytes_avail_toread; |
769 |
+- debug_info->bytes_avail_towrite = bytes_avail_towrite; |
770 |
+- debug_info->current_read_index = |
771 |
+- ring_info->ring_buffer->read_index; |
772 |
+- debug_info->current_write_index = |
773 |
+- ring_info->ring_buffer->write_index; |
774 |
+- debug_info->current_interrupt_mask = |
775 |
+- ring_info->ring_buffer->interrupt_mask; |
776 |
+- } |
777 |
++ if (!ring_info->ring_buffer) |
778 |
++ return -EINVAL; |
779 |
++ |
780 |
++ hv_get_ringbuffer_availbytes(ring_info, |
781 |
++ &bytes_avail_toread, |
782 |
++ &bytes_avail_towrite); |
783 |
++ debug_info->bytes_avail_toread = bytes_avail_toread; |
784 |
++ debug_info->bytes_avail_towrite = bytes_avail_towrite; |
785 |
++ debug_info->current_read_index = ring_info->ring_buffer->read_index; |
786 |
++ debug_info->current_write_index = ring_info->ring_buffer->write_index; |
787 |
++ debug_info->current_interrupt_mask |
788 |
++ = ring_info->ring_buffer->interrupt_mask; |
789 |
++ return 0; |
790 |
+ } |
791 |
+ EXPORT_SYMBOL_GPL(hv_ringbuffer_get_debuginfo); |
792 |
+ |
793 |
+diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c |
794 |
+index 2c6d5c7a4445..9aa18f387a34 100644 |
795 |
+--- a/drivers/hv/vmbus_drv.c |
796 |
++++ b/drivers/hv/vmbus_drv.c |
797 |
+@@ -313,12 +313,16 @@ static ssize_t out_intr_mask_show(struct device *dev, |
798 |
+ { |
799 |
+ struct hv_device *hv_dev = device_to_hv_device(dev); |
800 |
+ struct hv_ring_buffer_debug_info outbound; |
801 |
++ int ret; |
802 |
+ |
803 |
+ if (!hv_dev->channel) |
804 |
+ return -ENODEV; |
805 |
+- if (hv_dev->channel->state != CHANNEL_OPENED_STATE) |
806 |
+- return -EINVAL; |
807 |
+- hv_ringbuffer_get_debuginfo(&hv_dev->channel->outbound, &outbound); |
808 |
++ |
809 |
++ ret = hv_ringbuffer_get_debuginfo(&hv_dev->channel->outbound, |
810 |
++ &outbound); |
811 |
++ if (ret < 0) |
812 |
++ return ret; |
813 |
++ |
814 |
+ return sprintf(buf, "%d\n", outbound.current_interrupt_mask); |
815 |
+ } |
816 |
+ static DEVICE_ATTR_RO(out_intr_mask); |
817 |
+@@ -328,12 +332,15 @@ static ssize_t out_read_index_show(struct device *dev, |
818 |
+ { |
819 |
+ struct hv_device *hv_dev = device_to_hv_device(dev); |
820 |
+ struct hv_ring_buffer_debug_info outbound; |
821 |
++ int ret; |
822 |
+ |
823 |
+ if (!hv_dev->channel) |
824 |
+ return -ENODEV; |
825 |
+- if (hv_dev->channel->state != CHANNEL_OPENED_STATE) |
826 |
+- return -EINVAL; |
827 |
+- hv_ringbuffer_get_debuginfo(&hv_dev->channel->outbound, &outbound); |
828 |
++ |
829 |
++ ret = hv_ringbuffer_get_debuginfo(&hv_dev->channel->outbound, |
830 |
++ &outbound); |
831 |
++ if (ret < 0) |
832 |
++ return ret; |
833 |
+ return sprintf(buf, "%d\n", outbound.current_read_index); |
834 |
+ } |
835 |
+ static DEVICE_ATTR_RO(out_read_index); |
836 |
+@@ -344,12 +351,15 @@ static ssize_t out_write_index_show(struct device *dev, |
837 |
+ { |
838 |
+ struct hv_device *hv_dev = device_to_hv_device(dev); |
839 |
+ struct hv_ring_buffer_debug_info outbound; |
840 |
++ int ret; |
841 |
+ |
842 |
+ if (!hv_dev->channel) |
843 |
+ return -ENODEV; |
844 |
+- if (hv_dev->channel->state != CHANNEL_OPENED_STATE) |
845 |
+- return -EINVAL; |
846 |
+- hv_ringbuffer_get_debuginfo(&hv_dev->channel->outbound, &outbound); |
847 |
++ |
848 |
++ ret = hv_ringbuffer_get_debuginfo(&hv_dev->channel->outbound, |
849 |
++ &outbound); |
850 |
++ if (ret < 0) |
851 |
++ return ret; |
852 |
+ return sprintf(buf, "%d\n", outbound.current_write_index); |
853 |
+ } |
854 |
+ static DEVICE_ATTR_RO(out_write_index); |
855 |
+@@ -360,12 +370,15 @@ static ssize_t out_read_bytes_avail_show(struct device *dev, |
856 |
+ { |
857 |
+ struct hv_device *hv_dev = device_to_hv_device(dev); |
858 |
+ struct hv_ring_buffer_debug_info outbound; |
859 |
++ int ret; |
860 |
+ |
861 |
+ if (!hv_dev->channel) |
862 |
+ return -ENODEV; |
863 |
+- if (hv_dev->channel->state != CHANNEL_OPENED_STATE) |
864 |
+- return -EINVAL; |
865 |
+- hv_ringbuffer_get_debuginfo(&hv_dev->channel->outbound, &outbound); |
866 |
++ |
867 |
++ ret = hv_ringbuffer_get_debuginfo(&hv_dev->channel->outbound, |
868 |
++ &outbound); |
869 |
++ if (ret < 0) |
870 |
++ return ret; |
871 |
+ return sprintf(buf, "%d\n", outbound.bytes_avail_toread); |
872 |
+ } |
873 |
+ static DEVICE_ATTR_RO(out_read_bytes_avail); |
874 |
+@@ -376,12 +389,15 @@ static ssize_t out_write_bytes_avail_show(struct device *dev, |
875 |
+ { |
876 |
+ struct hv_device *hv_dev = device_to_hv_device(dev); |
877 |
+ struct hv_ring_buffer_debug_info outbound; |
878 |
++ int ret; |
879 |
+ |
880 |
+ if (!hv_dev->channel) |
881 |
+ return -ENODEV; |
882 |
+- if (hv_dev->channel->state != CHANNEL_OPENED_STATE) |
883 |
+- return -EINVAL; |
884 |
+- hv_ringbuffer_get_debuginfo(&hv_dev->channel->outbound, &outbound); |
885 |
++ |
886 |
++ ret = hv_ringbuffer_get_debuginfo(&hv_dev->channel->outbound, |
887 |
++ &outbound); |
888 |
++ if (ret < 0) |
889 |
++ return ret; |
890 |
+ return sprintf(buf, "%d\n", outbound.bytes_avail_towrite); |
891 |
+ } |
892 |
+ static DEVICE_ATTR_RO(out_write_bytes_avail); |
893 |
+@@ -391,12 +407,15 @@ static ssize_t in_intr_mask_show(struct device *dev, |
894 |
+ { |
895 |
+ struct hv_device *hv_dev = device_to_hv_device(dev); |
896 |
+ struct hv_ring_buffer_debug_info inbound; |
897 |
++ int ret; |
898 |
+ |
899 |
+ if (!hv_dev->channel) |
900 |
+ return -ENODEV; |
901 |
+- if (hv_dev->channel->state != CHANNEL_OPENED_STATE) |
902 |
+- return -EINVAL; |
903 |
+- hv_ringbuffer_get_debuginfo(&hv_dev->channel->inbound, &inbound); |
904 |
++ |
905 |
++ ret = hv_ringbuffer_get_debuginfo(&hv_dev->channel->inbound, &inbound); |
906 |
++ if (ret < 0) |
907 |
++ return ret; |
908 |
++ |
909 |
+ return sprintf(buf, "%d\n", inbound.current_interrupt_mask); |
910 |
+ } |
911 |
+ static DEVICE_ATTR_RO(in_intr_mask); |
912 |
+@@ -406,12 +425,15 @@ static ssize_t in_read_index_show(struct device *dev, |
913 |
+ { |
914 |
+ struct hv_device *hv_dev = device_to_hv_device(dev); |
915 |
+ struct hv_ring_buffer_debug_info inbound; |
916 |
++ int ret; |
917 |
+ |
918 |
+ if (!hv_dev->channel) |
919 |
+ return -ENODEV; |
920 |
+- if (hv_dev->channel->state != CHANNEL_OPENED_STATE) |
921 |
+- return -EINVAL; |
922 |
+- hv_ringbuffer_get_debuginfo(&hv_dev->channel->inbound, &inbound); |
923 |
++ |
924 |
++ ret = hv_ringbuffer_get_debuginfo(&hv_dev->channel->inbound, &inbound); |
925 |
++ if (ret < 0) |
926 |
++ return ret; |
927 |
++ |
928 |
+ return sprintf(buf, "%d\n", inbound.current_read_index); |
929 |
+ } |
930 |
+ static DEVICE_ATTR_RO(in_read_index); |
931 |
+@@ -421,12 +443,15 @@ static ssize_t in_write_index_show(struct device *dev, |
932 |
+ { |
933 |
+ struct hv_device *hv_dev = device_to_hv_device(dev); |
934 |
+ struct hv_ring_buffer_debug_info inbound; |
935 |
++ int ret; |
936 |
+ |
937 |
+ if (!hv_dev->channel) |
938 |
+ return -ENODEV; |
939 |
+- if (hv_dev->channel->state != CHANNEL_OPENED_STATE) |
940 |
+- return -EINVAL; |
941 |
+- hv_ringbuffer_get_debuginfo(&hv_dev->channel->inbound, &inbound); |
942 |
++ |
943 |
++ ret = hv_ringbuffer_get_debuginfo(&hv_dev->channel->inbound, &inbound); |
944 |
++ if (ret < 0) |
945 |
++ return ret; |
946 |
++ |
947 |
+ return sprintf(buf, "%d\n", inbound.current_write_index); |
948 |
+ } |
949 |
+ static DEVICE_ATTR_RO(in_write_index); |
950 |
+@@ -437,12 +462,15 @@ static ssize_t in_read_bytes_avail_show(struct device *dev, |
951 |
+ { |
952 |
+ struct hv_device *hv_dev = device_to_hv_device(dev); |
953 |
+ struct hv_ring_buffer_debug_info inbound; |
954 |
++ int ret; |
955 |
+ |
956 |
+ if (!hv_dev->channel) |
957 |
+ return -ENODEV; |
958 |
+- if (hv_dev->channel->state != CHANNEL_OPENED_STATE) |
959 |
+- return -EINVAL; |
960 |
+- hv_ringbuffer_get_debuginfo(&hv_dev->channel->inbound, &inbound); |
961 |
++ |
962 |
++ ret = hv_ringbuffer_get_debuginfo(&hv_dev->channel->inbound, &inbound); |
963 |
++ if (ret < 0) |
964 |
++ return ret; |
965 |
++ |
966 |
+ return sprintf(buf, "%d\n", inbound.bytes_avail_toread); |
967 |
+ } |
968 |
+ static DEVICE_ATTR_RO(in_read_bytes_avail); |
969 |
+@@ -453,12 +481,15 @@ static ssize_t in_write_bytes_avail_show(struct device *dev, |
970 |
+ { |
971 |
+ struct hv_device *hv_dev = device_to_hv_device(dev); |
972 |
+ struct hv_ring_buffer_debug_info inbound; |
973 |
++ int ret; |
974 |
+ |
975 |
+ if (!hv_dev->channel) |
976 |
+ return -ENODEV; |
977 |
+- if (hv_dev->channel->state != CHANNEL_OPENED_STATE) |
978 |
+- return -EINVAL; |
979 |
+- hv_ringbuffer_get_debuginfo(&hv_dev->channel->inbound, &inbound); |
980 |
++ |
981 |
++ ret = hv_ringbuffer_get_debuginfo(&hv_dev->channel->inbound, &inbound); |
982 |
++ if (ret < 0) |
983 |
++ return ret; |
984 |
++ |
985 |
+ return sprintf(buf, "%d\n", inbound.bytes_avail_towrite); |
986 |
+ } |
987 |
+ static DEVICE_ATTR_RO(in_write_bytes_avail); |
988 |
+diff --git a/drivers/ide/ide-proc.c b/drivers/ide/ide-proc.c |
989 |
+index 45c997430332..0e51803de0e7 100644 |
990 |
+--- a/drivers/ide/ide-proc.c |
991 |
++++ b/drivers/ide/ide-proc.c |
992 |
+@@ -544,7 +544,7 @@ void ide_proc_port_register_devices(ide_hwif_t *hwif) |
993 |
+ drive->proc = proc_mkdir(drive->name, parent); |
994 |
+ if (drive->proc) { |
995 |
+ ide_add_proc_entries(drive->proc, generic_drive_entries, drive); |
996 |
+- proc_create_data("setting", S_IFREG|S_IRUSR|S_IWUSR, |
997 |
++ proc_create_data("settings", S_IFREG|S_IRUSR|S_IWUSR, |
998 |
+ drive->proc, &ide_settings_proc_fops, |
999 |
+ drive); |
1000 |
+ } |
1001 |
+diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c |
1002 |
+index cfc8b94527b9..aa4e431cbcd3 100644 |
1003 |
+--- a/drivers/input/joystick/xpad.c |
1004 |
++++ b/drivers/input/joystick/xpad.c |
1005 |
+@@ -252,6 +252,8 @@ static const struct xpad_device { |
1006 |
+ { 0x0f30, 0x0202, "Joytech Advanced Controller", 0, XTYPE_XBOX }, |
1007 |
+ { 0x0f30, 0x8888, "BigBen XBMiniPad Controller", 0, XTYPE_XBOX }, |
1008 |
+ { 0x102c, 0xff0c, "Joytech Wireless Advanced Controller", 0, XTYPE_XBOX }, |
1009 |
++ { 0x1038, 0x1430, "SteelSeries Stratus Duo", 0, XTYPE_XBOX360 }, |
1010 |
++ { 0x1038, 0x1431, "SteelSeries Stratus Duo", 0, XTYPE_XBOX360 }, |
1011 |
+ { 0x11c9, 0x55f0, "Nacon GC-100XF", 0, XTYPE_XBOX360 }, |
1012 |
+ { 0x12ab, 0x0004, "Honey Bee Xbox360 dancepad", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360 }, |
1013 |
+ { 0x12ab, 0x0301, "PDP AFTERGLOW AX.1", 0, XTYPE_XBOX360 }, |
1014 |
+@@ -428,6 +430,7 @@ static const struct usb_device_id xpad_table[] = { |
1015 |
+ XPAD_XBOXONE_VENDOR(0x0e6f), /* 0x0e6f X-Box One controllers */ |
1016 |
+ XPAD_XBOX360_VENDOR(0x0f0d), /* Hori Controllers */ |
1017 |
+ XPAD_XBOXONE_VENDOR(0x0f0d), /* Hori Controllers */ |
1018 |
++ XPAD_XBOX360_VENDOR(0x1038), /* SteelSeries Controllers */ |
1019 |
+ XPAD_XBOX360_VENDOR(0x11c9), /* Nacon GC100XF */ |
1020 |
+ XPAD_XBOX360_VENDOR(0x12ab), /* X-Box 360 dance pads */ |
1021 |
+ XPAD_XBOX360_VENDOR(0x1430), /* RedOctane X-Box 360 controllers */ |
1022 |
+diff --git a/drivers/input/misc/uinput.c b/drivers/input/misc/uinput.c |
1023 |
+index 8ec483e8688b..26ec603fe220 100644 |
1024 |
+--- a/drivers/input/misc/uinput.c |
1025 |
++++ b/drivers/input/misc/uinput.c |
1026 |
+@@ -39,6 +39,7 @@ |
1027 |
+ #include <linux/init.h> |
1028 |
+ #include <linux/fs.h> |
1029 |
+ #include <linux/miscdevice.h> |
1030 |
++#include <linux/overflow.h> |
1031 |
+ #include <linux/input/mt.h> |
1032 |
+ #include "../input-compat.h" |
1033 |
+ |
1034 |
+@@ -405,7 +406,7 @@ static int uinput_open(struct inode *inode, struct file *file) |
1035 |
+ static int uinput_validate_absinfo(struct input_dev *dev, unsigned int code, |
1036 |
+ const struct input_absinfo *abs) |
1037 |
+ { |
1038 |
+- int min, max; |
1039 |
++ int min, max, range; |
1040 |
+ |
1041 |
+ min = abs->minimum; |
1042 |
+ max = abs->maximum; |
1043 |
+@@ -417,7 +418,7 @@ static int uinput_validate_absinfo(struct input_dev *dev, unsigned int code, |
1044 |
+ return -EINVAL; |
1045 |
+ } |
1046 |
+ |
1047 |
+- if (abs->flat > max - min) { |
1048 |
++ if (!check_sub_overflow(max, min, &range) && abs->flat > range) { |
1049 |
+ printk(KERN_DEBUG |
1050 |
+ "%s: abs_flat #%02x out of range: %d (min:%d/max:%d)\n", |
1051 |
+ UINPUT_NAME, code, abs->flat, min, max); |
1052 |
+diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c |
1053 |
+index c2df341ff6fa..cf3abb8d284f 100644 |
1054 |
+--- a/drivers/irqchip/irq-gic-v3-its.c |
1055 |
++++ b/drivers/irqchip/irq-gic-v3-its.c |
1056 |
+@@ -2267,13 +2267,14 @@ static void its_free_device(struct its_device *its_dev) |
1057 |
+ kfree(its_dev); |
1058 |
+ } |
1059 |
+ |
1060 |
+-static int its_alloc_device_irq(struct its_device *dev, irq_hw_number_t *hwirq) |
1061 |
++static int its_alloc_device_irq(struct its_device *dev, int nvecs, irq_hw_number_t *hwirq) |
1062 |
+ { |
1063 |
+ int idx; |
1064 |
+ |
1065 |
+- idx = find_first_zero_bit(dev->event_map.lpi_map, |
1066 |
+- dev->event_map.nr_lpis); |
1067 |
+- if (idx == dev->event_map.nr_lpis) |
1068 |
++ idx = bitmap_find_free_region(dev->event_map.lpi_map, |
1069 |
++ dev->event_map.nr_lpis, |
1070 |
++ get_count_order(nvecs)); |
1071 |
++ if (idx < 0) |
1072 |
+ return -ENOSPC; |
1073 |
+ |
1074 |
+ *hwirq = dev->event_map.lpi_base + idx; |
1075 |
+@@ -2369,21 +2370,21 @@ static int its_irq_domain_alloc(struct irq_domain *domain, unsigned int virq, |
1076 |
+ int err; |
1077 |
+ int i; |
1078 |
+ |
1079 |
+- for (i = 0; i < nr_irqs; i++) { |
1080 |
+- err = its_alloc_device_irq(its_dev, &hwirq); |
1081 |
+- if (err) |
1082 |
+- return err; |
1083 |
++ err = its_alloc_device_irq(its_dev, nr_irqs, &hwirq); |
1084 |
++ if (err) |
1085 |
++ return err; |
1086 |
+ |
1087 |
+- err = its_irq_gic_domain_alloc(domain, virq + i, hwirq); |
1088 |
++ for (i = 0; i < nr_irqs; i++) { |
1089 |
++ err = its_irq_gic_domain_alloc(domain, virq + i, hwirq + i); |
1090 |
+ if (err) |
1091 |
+ return err; |
1092 |
+ |
1093 |
+ irq_domain_set_hwirq_and_chip(domain, virq + i, |
1094 |
+- hwirq, &its_irq_chip, its_dev); |
1095 |
++ hwirq + i, &its_irq_chip, its_dev); |
1096 |
+ irqd_set_single_target(irq_desc_get_irq_data(irq_to_desc(virq + i))); |
1097 |
+ pr_debug("ID:%d pID:%d vID:%d\n", |
1098 |
+- (int)(hwirq - its_dev->event_map.lpi_base), |
1099 |
+- (int) hwirq, virq + i); |
1100 |
++ (int)(hwirq + i - its_dev->event_map.lpi_base), |
1101 |
++ (int)(hwirq + i), virq + i); |
1102 |
+ } |
1103 |
+ |
1104 |
+ return 0; |
1105 |
+diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c |
1106 |
+index f2ec882f96be..5921ecc670c1 100644 |
1107 |
+--- a/drivers/md/dm-crypt.c |
1108 |
++++ b/drivers/md/dm-crypt.c |
1109 |
+@@ -2405,9 +2405,21 @@ static int crypt_ctr_cipher_new(struct dm_target *ti, char *cipher_in, char *key |
1110 |
+ * capi:cipher_api_spec-iv:ivopts |
1111 |
+ */ |
1112 |
+ tmp = &cipher_in[strlen("capi:")]; |
1113 |
+- cipher_api = strsep(&tmp, "-"); |
1114 |
+- *ivmode = strsep(&tmp, ":"); |
1115 |
+- *ivopts = tmp; |
1116 |
++ |
1117 |
++ /* Separate IV options if present, it can contain another '-' in hash name */ |
1118 |
++ *ivopts = strrchr(tmp, ':'); |
1119 |
++ if (*ivopts) { |
1120 |
++ **ivopts = '\0'; |
1121 |
++ (*ivopts)++; |
1122 |
++ } |
1123 |
++ /* Parse IV mode */ |
1124 |
++ *ivmode = strrchr(tmp, '-'); |
1125 |
++ if (*ivmode) { |
1126 |
++ **ivmode = '\0'; |
1127 |
++ (*ivmode)++; |
1128 |
++ } |
1129 |
++ /* The rest is crypto API spec */ |
1130 |
++ cipher_api = tmp; |
1131 |
+ |
1132 |
+ if (*ivmode && !strcmp(*ivmode, "lmk")) |
1133 |
+ cc->tfms_count = 64; |
1134 |
+@@ -2477,11 +2489,8 @@ static int crypt_ctr_cipher_old(struct dm_target *ti, char *cipher_in, char *key |
1135 |
+ goto bad_mem; |
1136 |
+ |
1137 |
+ chainmode = strsep(&tmp, "-"); |
1138 |
+- *ivopts = strsep(&tmp, "-"); |
1139 |
+- *ivmode = strsep(&*ivopts, ":"); |
1140 |
+- |
1141 |
+- if (tmp) |
1142 |
+- DMWARN("Ignoring unexpected additional cipher options"); |
1143 |
++ *ivmode = strsep(&tmp, ":"); |
1144 |
++ *ivopts = tmp; |
1145 |
+ |
1146 |
+ /* |
1147 |
+ * For compatibility with the original dm-crypt mapping format, if |
1148 |
+diff --git a/drivers/md/dm-thin-metadata.c b/drivers/md/dm-thin-metadata.c |
1149 |
+index 20b0776e39ef..ed3caceaed07 100644 |
1150 |
+--- a/drivers/md/dm-thin-metadata.c |
1151 |
++++ b/drivers/md/dm-thin-metadata.c |
1152 |
+@@ -1678,7 +1678,7 @@ int dm_thin_remove_range(struct dm_thin_device *td, |
1153 |
+ return r; |
1154 |
+ } |
1155 |
+ |
1156 |
+-int dm_pool_block_is_used(struct dm_pool_metadata *pmd, dm_block_t b, bool *result) |
1157 |
++int dm_pool_block_is_shared(struct dm_pool_metadata *pmd, dm_block_t b, bool *result) |
1158 |
+ { |
1159 |
+ int r; |
1160 |
+ uint32_t ref_count; |
1161 |
+@@ -1686,7 +1686,7 @@ int dm_pool_block_is_used(struct dm_pool_metadata *pmd, dm_block_t b, bool *resu |
1162 |
+ down_read(&pmd->root_lock); |
1163 |
+ r = dm_sm_get_count(pmd->data_sm, b, &ref_count); |
1164 |
+ if (!r) |
1165 |
+- *result = (ref_count != 0); |
1166 |
++ *result = (ref_count > 1); |
1167 |
+ up_read(&pmd->root_lock); |
1168 |
+ |
1169 |
+ return r; |
1170 |
+diff --git a/drivers/md/dm-thin-metadata.h b/drivers/md/dm-thin-metadata.h |
1171 |
+index 35e954ea20a9..f6be0d733c20 100644 |
1172 |
+--- a/drivers/md/dm-thin-metadata.h |
1173 |
++++ b/drivers/md/dm-thin-metadata.h |
1174 |
+@@ -195,7 +195,7 @@ int dm_pool_get_metadata_dev_size(struct dm_pool_metadata *pmd, |
1175 |
+ |
1176 |
+ int dm_pool_get_data_dev_size(struct dm_pool_metadata *pmd, dm_block_t *result); |
1177 |
+ |
1178 |
+-int dm_pool_block_is_used(struct dm_pool_metadata *pmd, dm_block_t b, bool *result); |
1179 |
++int dm_pool_block_is_shared(struct dm_pool_metadata *pmd, dm_block_t b, bool *result); |
1180 |
+ |
1181 |
+ int dm_pool_inc_data_range(struct dm_pool_metadata *pmd, dm_block_t b, dm_block_t e); |
1182 |
+ int dm_pool_dec_data_range(struct dm_pool_metadata *pmd, dm_block_t b, dm_block_t e); |
1183 |
+diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c |
1184 |
+index 1f225a1e08dd..c30a7850b2da 100644 |
1185 |
+--- a/drivers/md/dm-thin.c |
1186 |
++++ b/drivers/md/dm-thin.c |
1187 |
+@@ -1048,7 +1048,7 @@ static void passdown_double_checking_shared_status(struct dm_thin_new_mapping *m |
1188 |
+ * passdown we have to check that these blocks are now unused. |
1189 |
+ */ |
1190 |
+ int r = 0; |
1191 |
+- bool used = true; |
1192 |
++ bool shared = true; |
1193 |
+ struct thin_c *tc = m->tc; |
1194 |
+ struct pool *pool = tc->pool; |
1195 |
+ dm_block_t b = m->data_block, e, end = m->data_block + m->virt_end - m->virt_begin; |
1196 |
+@@ -1058,11 +1058,11 @@ static void passdown_double_checking_shared_status(struct dm_thin_new_mapping *m |
1197 |
+ while (b != end) { |
1198 |
+ /* find start of unmapped run */ |
1199 |
+ for (; b < end; b++) { |
1200 |
+- r = dm_pool_block_is_used(pool->pmd, b, &used); |
1201 |
++ r = dm_pool_block_is_shared(pool->pmd, b, &shared); |
1202 |
+ if (r) |
1203 |
+ goto out; |
1204 |
+ |
1205 |
+- if (!used) |
1206 |
++ if (!shared) |
1207 |
+ break; |
1208 |
+ } |
1209 |
+ |
1210 |
+@@ -1071,11 +1071,11 @@ static void passdown_double_checking_shared_status(struct dm_thin_new_mapping *m |
1211 |
+ |
1212 |
+ /* find end of run */ |
1213 |
+ for (e = b + 1; e != end; e++) { |
1214 |
+- r = dm_pool_block_is_used(pool->pmd, e, &used); |
1215 |
++ r = dm_pool_block_is_shared(pool->pmd, e, &shared); |
1216 |
+ if (r) |
1217 |
+ goto out; |
1218 |
+ |
1219 |
+- if (used) |
1220 |
++ if (shared) |
1221 |
+ break; |
1222 |
+ } |
1223 |
+ |
1224 |
+diff --git a/drivers/misc/ibmvmc.c b/drivers/misc/ibmvmc.c |
1225 |
+index b8aaa684c397..2ed23c99f59f 100644 |
1226 |
+--- a/drivers/misc/ibmvmc.c |
1227 |
++++ b/drivers/misc/ibmvmc.c |
1228 |
+@@ -820,21 +820,24 @@ static int ibmvmc_send_msg(struct crq_server_adapter *adapter, |
1229 |
+ * |
1230 |
+ * Return: |
1231 |
+ * 0 - Success |
1232 |
++ * Non-zero - Failure |
1233 |
+ */ |
1234 |
+ static int ibmvmc_open(struct inode *inode, struct file *file) |
1235 |
+ { |
1236 |
+ struct ibmvmc_file_session *session; |
1237 |
+- int rc = 0; |
1238 |
+ |
1239 |
+ pr_debug("%s: inode = 0x%lx, file = 0x%lx, state = 0x%x\n", __func__, |
1240 |
+ (unsigned long)inode, (unsigned long)file, |
1241 |
+ ibmvmc.state); |
1242 |
+ |
1243 |
+ session = kzalloc(sizeof(*session), GFP_KERNEL); |
1244 |
++ if (!session) |
1245 |
++ return -ENOMEM; |
1246 |
++ |
1247 |
+ session->file = file; |
1248 |
+ file->private_data = session; |
1249 |
+ |
1250 |
+- return rc; |
1251 |
++ return 0; |
1252 |
+ } |
1253 |
+ |
1254 |
+ /** |
1255 |
+diff --git a/drivers/misc/mei/hw-me-regs.h b/drivers/misc/mei/hw-me-regs.h |
1256 |
+index e4b10b2d1a08..23739a60517f 100644 |
1257 |
+--- a/drivers/misc/mei/hw-me-regs.h |
1258 |
++++ b/drivers/misc/mei/hw-me-regs.h |
1259 |
+@@ -127,6 +127,8 @@ |
1260 |
+ #define MEI_DEV_ID_BXT_M 0x1A9A /* Broxton M */ |
1261 |
+ #define MEI_DEV_ID_APL_I 0x5A9A /* Apollo Lake I */ |
1262 |
+ |
1263 |
++#define MEI_DEV_ID_DNV_IE 0x19E5 /* Denverton IE */ |
1264 |
++ |
1265 |
+ #define MEI_DEV_ID_GLK 0x319A /* Gemini Lake */ |
1266 |
+ |
1267 |
+ #define MEI_DEV_ID_KBP 0xA2BA /* Kaby Point */ |
1268 |
+diff --git a/drivers/misc/mei/pci-me.c b/drivers/misc/mei/pci-me.c |
1269 |
+index ea4e152270a3..c8e21c894a5f 100644 |
1270 |
+--- a/drivers/misc/mei/pci-me.c |
1271 |
++++ b/drivers/misc/mei/pci-me.c |
1272 |
+@@ -88,11 +88,13 @@ static const struct pci_device_id mei_me_pci_tbl[] = { |
1273 |
+ {MEI_PCI_DEVICE(MEI_DEV_ID_SPT_2, MEI_ME_PCH8_CFG)}, |
1274 |
+ {MEI_PCI_DEVICE(MEI_DEV_ID_SPT_H, MEI_ME_PCH8_SPS_CFG)}, |
1275 |
+ {MEI_PCI_DEVICE(MEI_DEV_ID_SPT_H_2, MEI_ME_PCH8_SPS_CFG)}, |
1276 |
+- {MEI_PCI_DEVICE(MEI_DEV_ID_LBG, MEI_ME_PCH8_CFG)}, |
1277 |
++ {MEI_PCI_DEVICE(MEI_DEV_ID_LBG, MEI_ME_PCH12_CFG)}, |
1278 |
+ |
1279 |
+ {MEI_PCI_DEVICE(MEI_DEV_ID_BXT_M, MEI_ME_PCH8_CFG)}, |
1280 |
+ {MEI_PCI_DEVICE(MEI_DEV_ID_APL_I, MEI_ME_PCH8_CFG)}, |
1281 |
+ |
1282 |
++ {MEI_PCI_DEVICE(MEI_DEV_ID_DNV_IE, MEI_ME_PCH8_CFG)}, |
1283 |
++ |
1284 |
+ {MEI_PCI_DEVICE(MEI_DEV_ID_GLK, MEI_ME_PCH8_CFG)}, |
1285 |
+ |
1286 |
+ {MEI_PCI_DEVICE(MEI_DEV_ID_KBP, MEI_ME_PCH8_CFG)}, |
1287 |
+diff --git a/drivers/mmc/host/dw_mmc-bluefield.c b/drivers/mmc/host/dw_mmc-bluefield.c |
1288 |
+index 54c3fbb4a391..db56d4f58aaa 100644 |
1289 |
+--- a/drivers/mmc/host/dw_mmc-bluefield.c |
1290 |
++++ b/drivers/mmc/host/dw_mmc-bluefield.c |
1291 |
+@@ -1,11 +1,6 @@ |
1292 |
+ // SPDX-License-Identifier: GPL-2.0 |
1293 |
+ /* |
1294 |
+ * Copyright (C) 2018 Mellanox Technologies. |
1295 |
+- * |
1296 |
+- * This program is free software; you can redistribute it and/or modify |
1297 |
+- * it under the terms of the GNU General Public License as published by |
1298 |
+- * the Free Software Foundation; either version 2 of the License, or |
1299 |
+- * (at your option) any later version. |
1300 |
+ */ |
1301 |
+ |
1302 |
+ #include <linux/bitfield.h> |
1303 |
+diff --git a/drivers/mmc/host/meson-gx-mmc.c b/drivers/mmc/host/meson-gx-mmc.c |
1304 |
+index c201c378537e..ef9deaa361c7 100644 |
1305 |
+--- a/drivers/mmc/host/meson-gx-mmc.c |
1306 |
++++ b/drivers/mmc/host/meson-gx-mmc.c |
1307 |
+@@ -174,6 +174,8 @@ struct meson_host { |
1308 |
+ struct sd_emmc_desc *descs; |
1309 |
+ dma_addr_t descs_dma_addr; |
1310 |
+ |
1311 |
++ int irq; |
1312 |
++ |
1313 |
+ bool vqmmc_enabled; |
1314 |
+ }; |
1315 |
+ |
1316 |
+@@ -1181,7 +1183,7 @@ static int meson_mmc_probe(struct platform_device *pdev) |
1317 |
+ struct resource *res; |
1318 |
+ struct meson_host *host; |
1319 |
+ struct mmc_host *mmc; |
1320 |
+- int ret, irq; |
1321 |
++ int ret; |
1322 |
+ |
1323 |
+ mmc = mmc_alloc_host(sizeof(struct meson_host), &pdev->dev); |
1324 |
+ if (!mmc) |
1325 |
+@@ -1228,8 +1230,8 @@ static int meson_mmc_probe(struct platform_device *pdev) |
1326 |
+ goto free_host; |
1327 |
+ } |
1328 |
+ |
1329 |
+- irq = platform_get_irq(pdev, 0); |
1330 |
+- if (irq <= 0) { |
1331 |
++ host->irq = platform_get_irq(pdev, 0); |
1332 |
++ if (host->irq <= 0) { |
1333 |
+ dev_err(&pdev->dev, "failed to get interrupt resource.\n"); |
1334 |
+ ret = -EINVAL; |
1335 |
+ goto free_host; |
1336 |
+@@ -1283,9 +1285,8 @@ static int meson_mmc_probe(struct platform_device *pdev) |
1337 |
+ writel(IRQ_CRC_ERR | IRQ_TIMEOUTS | IRQ_END_OF_CHAIN, |
1338 |
+ host->regs + SD_EMMC_IRQ_EN); |
1339 |
+ |
1340 |
+- ret = devm_request_threaded_irq(&pdev->dev, irq, meson_mmc_irq, |
1341 |
+- meson_mmc_irq_thread, IRQF_SHARED, |
1342 |
+- NULL, host); |
1343 |
++ ret = request_threaded_irq(host->irq, meson_mmc_irq, |
1344 |
++ meson_mmc_irq_thread, IRQF_SHARED, NULL, host); |
1345 |
+ if (ret) |
1346 |
+ goto err_init_clk; |
1347 |
+ |
1348 |
+@@ -1303,7 +1304,7 @@ static int meson_mmc_probe(struct platform_device *pdev) |
1349 |
+ if (host->bounce_buf == NULL) { |
1350 |
+ dev_err(host->dev, "Unable to map allocate DMA bounce buffer.\n"); |
1351 |
+ ret = -ENOMEM; |
1352 |
+- goto err_init_clk; |
1353 |
++ goto err_free_irq; |
1354 |
+ } |
1355 |
+ |
1356 |
+ host->descs = dma_alloc_coherent(host->dev, SD_EMMC_DESC_BUF_LEN, |
1357 |
+@@ -1322,6 +1323,8 @@ static int meson_mmc_probe(struct platform_device *pdev) |
1358 |
+ err_bounce_buf: |
1359 |
+ dma_free_coherent(host->dev, host->bounce_buf_size, |
1360 |
+ host->bounce_buf, host->bounce_dma_addr); |
1361 |
++err_free_irq: |
1362 |
++ free_irq(host->irq, host); |
1363 |
+ err_init_clk: |
1364 |
+ clk_disable_unprepare(host->mmc_clk); |
1365 |
+ err_core_clk: |
1366 |
+@@ -1339,6 +1342,7 @@ static int meson_mmc_remove(struct platform_device *pdev) |
1367 |
+ |
1368 |
+ /* disable interrupts */ |
1369 |
+ writel(0, host->regs + SD_EMMC_IRQ_EN); |
1370 |
++ free_irq(host->irq, host); |
1371 |
+ |
1372 |
+ dma_free_coherent(host->dev, SD_EMMC_DESC_BUF_LEN, |
1373 |
+ host->descs, host->descs_dma_addr); |
1374 |
+diff --git a/drivers/net/can/dev.c b/drivers/net/can/dev.c |
1375 |
+index 3b3f88ffab53..c05e4d50d43d 100644 |
1376 |
+--- a/drivers/net/can/dev.c |
1377 |
++++ b/drivers/net/can/dev.c |
1378 |
+@@ -480,8 +480,6 @@ EXPORT_SYMBOL_GPL(can_put_echo_skb); |
1379 |
+ struct sk_buff *__can_get_echo_skb(struct net_device *dev, unsigned int idx, u8 *len_ptr) |
1380 |
+ { |
1381 |
+ struct can_priv *priv = netdev_priv(dev); |
1382 |
+- struct sk_buff *skb = priv->echo_skb[idx]; |
1383 |
+- struct canfd_frame *cf; |
1384 |
+ |
1385 |
+ if (idx >= priv->echo_skb_max) { |
1386 |
+ netdev_err(dev, "%s: BUG! Trying to access can_priv::echo_skb out of bounds (%u/max %u)\n", |
1387 |
+@@ -489,20 +487,21 @@ struct sk_buff *__can_get_echo_skb(struct net_device *dev, unsigned int idx, u8 |
1388 |
+ return NULL; |
1389 |
+ } |
1390 |
+ |
1391 |
+- if (!skb) { |
1392 |
+- netdev_err(dev, "%s: BUG! Trying to echo non existing skb: can_priv::echo_skb[%u]\n", |
1393 |
+- __func__, idx); |
1394 |
+- return NULL; |
1395 |
+- } |
1396 |
++ if (priv->echo_skb[idx]) { |
1397 |
++ /* Using "struct canfd_frame::len" for the frame |
1398 |
++ * length is supported on both CAN and CANFD frames. |
1399 |
++ */ |
1400 |
++ struct sk_buff *skb = priv->echo_skb[idx]; |
1401 |
++ struct canfd_frame *cf = (struct canfd_frame *)skb->data; |
1402 |
++ u8 len = cf->len; |
1403 |
+ |
1404 |
+- /* Using "struct canfd_frame::len" for the frame |
1405 |
+- * length is supported on both CAN and CANFD frames. |
1406 |
+- */ |
1407 |
+- cf = (struct canfd_frame *)skb->data; |
1408 |
+- *len_ptr = cf->len; |
1409 |
+- priv->echo_skb[idx] = NULL; |
1410 |
++ *len_ptr = len; |
1411 |
++ priv->echo_skb[idx] = NULL; |
1412 |
+ |
1413 |
+- return skb; |
1414 |
++ return skb; |
1415 |
++ } |
1416 |
++ |
1417 |
++ return NULL; |
1418 |
+ } |
1419 |
+ |
1420 |
+ /* |
1421 |
+diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c |
1422 |
+index 75ce11395ee8..ae219b8a7754 100644 |
1423 |
+--- a/drivers/net/can/flexcan.c |
1424 |
++++ b/drivers/net/can/flexcan.c |
1425 |
+@@ -1004,7 +1004,7 @@ static int flexcan_chip_start(struct net_device *dev) |
1426 |
+ } |
1427 |
+ } else { |
1428 |
+ /* clear and invalidate unused mailboxes first */ |
1429 |
+- for (i = FLEXCAN_TX_MB_RESERVED_OFF_FIFO; i <= ARRAY_SIZE(regs->mb); i++) { |
1430 |
++ for (i = FLEXCAN_TX_MB_RESERVED_OFF_FIFO; i < ARRAY_SIZE(regs->mb); i++) { |
1431 |
+ priv->write(FLEXCAN_MB_CODE_RX_INACTIVE, |
1432 |
+ ®s->mb[i].can_ctrl); |
1433 |
+ } |
1434 |
+diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-common.h b/drivers/net/ethernet/amd/xgbe/xgbe-common.h |
1435 |
+index d272dc6984ac..b40d4377cc71 100644 |
1436 |
+--- a/drivers/net/ethernet/amd/xgbe/xgbe-common.h |
1437 |
++++ b/drivers/net/ethernet/amd/xgbe/xgbe-common.h |
1438 |
+@@ -431,8 +431,6 @@ |
1439 |
+ #define MAC_MDIOSCAR_PA_WIDTH 5 |
1440 |
+ #define MAC_MDIOSCAR_RA_INDEX 0 |
1441 |
+ #define MAC_MDIOSCAR_RA_WIDTH 16 |
1442 |
+-#define MAC_MDIOSCAR_REG_INDEX 0 |
1443 |
+-#define MAC_MDIOSCAR_REG_WIDTH 21 |
1444 |
+ #define MAC_MDIOSCCDR_BUSY_INDEX 22 |
1445 |
+ #define MAC_MDIOSCCDR_BUSY_WIDTH 1 |
1446 |
+ #define MAC_MDIOSCCDR_CMD_INDEX 16 |
1447 |
+diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-dev.c b/drivers/net/ethernet/amd/xgbe/xgbe-dev.c |
1448 |
+index 1e929a1e4ca7..4666084eda16 100644 |
1449 |
+--- a/drivers/net/ethernet/amd/xgbe/xgbe-dev.c |
1450 |
++++ b/drivers/net/ethernet/amd/xgbe/xgbe-dev.c |
1451 |
+@@ -1284,6 +1284,20 @@ static void xgbe_write_mmd_regs(struct xgbe_prv_data *pdata, int prtad, |
1452 |
+ } |
1453 |
+ } |
1454 |
+ |
1455 |
++static unsigned int xgbe_create_mdio_sca(int port, int reg) |
1456 |
++{ |
1457 |
++ unsigned int mdio_sca, da; |
1458 |
++ |
1459 |
++ da = (reg & MII_ADDR_C45) ? reg >> 16 : 0; |
1460 |
++ |
1461 |
++ mdio_sca = 0; |
1462 |
++ XGMAC_SET_BITS(mdio_sca, MAC_MDIOSCAR, RA, reg); |
1463 |
++ XGMAC_SET_BITS(mdio_sca, MAC_MDIOSCAR, PA, port); |
1464 |
++ XGMAC_SET_BITS(mdio_sca, MAC_MDIOSCAR, DA, da); |
1465 |
++ |
1466 |
++ return mdio_sca; |
1467 |
++} |
1468 |
++ |
1469 |
+ static int xgbe_write_ext_mii_regs(struct xgbe_prv_data *pdata, int addr, |
1470 |
+ int reg, u16 val) |
1471 |
+ { |
1472 |
+@@ -1291,9 +1305,7 @@ static int xgbe_write_ext_mii_regs(struct xgbe_prv_data *pdata, int addr, |
1473 |
+ |
1474 |
+ reinit_completion(&pdata->mdio_complete); |
1475 |
+ |
1476 |
+- mdio_sca = 0; |
1477 |
+- XGMAC_SET_BITS(mdio_sca, MAC_MDIOSCAR, REG, reg); |
1478 |
+- XGMAC_SET_BITS(mdio_sca, MAC_MDIOSCAR, DA, addr); |
1479 |
++ mdio_sca = xgbe_create_mdio_sca(addr, reg); |
1480 |
+ XGMAC_IOWRITE(pdata, MAC_MDIOSCAR, mdio_sca); |
1481 |
+ |
1482 |
+ mdio_sccd = 0; |
1483 |
+@@ -1317,9 +1329,7 @@ static int xgbe_read_ext_mii_regs(struct xgbe_prv_data *pdata, int addr, |
1484 |
+ |
1485 |
+ reinit_completion(&pdata->mdio_complete); |
1486 |
+ |
1487 |
+- mdio_sca = 0; |
1488 |
+- XGMAC_SET_BITS(mdio_sca, MAC_MDIOSCAR, REG, reg); |
1489 |
+- XGMAC_SET_BITS(mdio_sca, MAC_MDIOSCAR, DA, addr); |
1490 |
++ mdio_sca = xgbe_create_mdio_sca(addr, reg); |
1491 |
+ XGMAC_IOWRITE(pdata, MAC_MDIOSCAR, mdio_sca); |
1492 |
+ |
1493 |
+ mdio_sccd = 0; |
1494 |
+diff --git a/drivers/net/ethernet/mellanox/mlxsw/pci.c b/drivers/net/ethernet/mellanox/mlxsw/pci.c |
1495 |
+index 5890fdfd62c3..c7901a3f2a79 100644 |
1496 |
+--- a/drivers/net/ethernet/mellanox/mlxsw/pci.c |
1497 |
++++ b/drivers/net/ethernet/mellanox/mlxsw/pci.c |
1498 |
+@@ -604,29 +604,31 @@ static void mlxsw_pci_cq_tasklet(unsigned long data) |
1499 |
+ u16 wqe_counter = mlxsw_pci_cqe_wqe_counter_get(cqe); |
1500 |
+ u8 sendq = mlxsw_pci_cqe_sr_get(q->u.cq.v, cqe); |
1501 |
+ u8 dqn = mlxsw_pci_cqe_dqn_get(q->u.cq.v, cqe); |
1502 |
++ char ncqe[MLXSW_PCI_CQE_SIZE_MAX]; |
1503 |
++ |
1504 |
++ memcpy(ncqe, cqe, q->elem_size); |
1505 |
++ mlxsw_pci_queue_doorbell_consumer_ring(mlxsw_pci, q); |
1506 |
+ |
1507 |
+ if (sendq) { |
1508 |
+ struct mlxsw_pci_queue *sdq; |
1509 |
+ |
1510 |
+ sdq = mlxsw_pci_sdq_get(mlxsw_pci, dqn); |
1511 |
+ mlxsw_pci_cqe_sdq_handle(mlxsw_pci, sdq, |
1512 |
+- wqe_counter, cqe); |
1513 |
++ wqe_counter, ncqe); |
1514 |
+ q->u.cq.comp_sdq_count++; |
1515 |
+ } else { |
1516 |
+ struct mlxsw_pci_queue *rdq; |
1517 |
+ |
1518 |
+ rdq = mlxsw_pci_rdq_get(mlxsw_pci, dqn); |
1519 |
+ mlxsw_pci_cqe_rdq_handle(mlxsw_pci, rdq, |
1520 |
+- wqe_counter, q->u.cq.v, cqe); |
1521 |
++ wqe_counter, q->u.cq.v, ncqe); |
1522 |
+ q->u.cq.comp_rdq_count++; |
1523 |
+ } |
1524 |
+ if (++items == credits) |
1525 |
+ break; |
1526 |
+ } |
1527 |
+- if (items) { |
1528 |
+- mlxsw_pci_queue_doorbell_consumer_ring(mlxsw_pci, q); |
1529 |
++ if (items) |
1530 |
+ mlxsw_pci_queue_doorbell_arm_consumer_ring(mlxsw_pci, q); |
1531 |
+- } |
1532 |
+ } |
1533 |
+ |
1534 |
+ static u16 mlxsw_pci_cq_elem_count(const struct mlxsw_pci_queue *q) |
1535 |
+diff --git a/drivers/net/ethernet/mellanox/mlxsw/pci_hw.h b/drivers/net/ethernet/mellanox/mlxsw/pci_hw.h |
1536 |
+index 83f452b7ccbb..72cdaa01d56d 100644 |
1537 |
+--- a/drivers/net/ethernet/mellanox/mlxsw/pci_hw.h |
1538 |
++++ b/drivers/net/ethernet/mellanox/mlxsw/pci_hw.h |
1539 |
+@@ -27,7 +27,7 @@ |
1540 |
+ |
1541 |
+ #define MLXSW_PCI_SW_RESET 0xF0010 |
1542 |
+ #define MLXSW_PCI_SW_RESET_RST_BIT BIT(0) |
1543 |
+-#define MLXSW_PCI_SW_RESET_TIMEOUT_MSECS 5000 |
1544 |
++#define MLXSW_PCI_SW_RESET_TIMEOUT_MSECS 13000 |
1545 |
+ #define MLXSW_PCI_SW_RESET_WAIT_MSECS 100 |
1546 |
+ #define MLXSW_PCI_FW_READY 0xA1844 |
1547 |
+ #define MLXSW_PCI_FW_READY_MASK 0xFFFF |
1548 |
+@@ -53,6 +53,7 @@ |
1549 |
+ #define MLXSW_PCI_WQE_SIZE 32 /* 32 bytes per element */ |
1550 |
+ #define MLXSW_PCI_CQE01_SIZE 16 /* 16 bytes per element */ |
1551 |
+ #define MLXSW_PCI_CQE2_SIZE 32 /* 32 bytes per element */ |
1552 |
++#define MLXSW_PCI_CQE_SIZE_MAX MLXSW_PCI_CQE2_SIZE |
1553 |
+ #define MLXSW_PCI_EQE_SIZE 16 /* 16 bytes per element */ |
1554 |
+ #define MLXSW_PCI_WQE_COUNT (MLXSW_PCI_AQ_SIZE / MLXSW_PCI_WQE_SIZE) |
1555 |
+ #define MLXSW_PCI_CQE01_COUNT (MLXSW_PCI_AQ_SIZE / MLXSW_PCI_CQE01_SIZE) |
1556 |
+diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_fid.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_fid.c |
1557 |
+index 715d24ff937e..562c4429eec7 100644 |
1558 |
+--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_fid.c |
1559 |
++++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_fid.c |
1560 |
+@@ -696,8 +696,8 @@ static const struct mlxsw_sp_fid_ops mlxsw_sp_fid_dummy_ops = { |
1561 |
+ static const struct mlxsw_sp_fid_family mlxsw_sp_fid_dummy_family = { |
1562 |
+ .type = MLXSW_SP_FID_TYPE_DUMMY, |
1563 |
+ .fid_size = sizeof(struct mlxsw_sp_fid), |
1564 |
+- .start_index = MLXSW_SP_RFID_BASE - 1, |
1565 |
+- .end_index = MLXSW_SP_RFID_BASE - 1, |
1566 |
++ .start_index = VLAN_N_VID - 1, |
1567 |
++ .end_index = VLAN_N_VID - 1, |
1568 |
+ .ops = &mlxsw_sp_fid_dummy_ops, |
1569 |
+ }; |
1570 |
+ |
1571 |
+diff --git a/drivers/net/ethernet/sun/cassini.c b/drivers/net/ethernet/sun/cassini.c |
1572 |
+index 9020b084b953..7ec4eb74fe21 100644 |
1573 |
+--- a/drivers/net/ethernet/sun/cassini.c |
1574 |
++++ b/drivers/net/ethernet/sun/cassini.c |
1575 |
+@@ -1,22 +1,9 @@ |
1576 |
+-// SPDX-License-Identifier: GPL-2.0 |
1577 |
++// SPDX-License-Identifier: GPL-2.0+ |
1578 |
+ /* cassini.c: Sun Microsystems Cassini(+) ethernet driver. |
1579 |
+ * |
1580 |
+ * Copyright (C) 2004 Sun Microsystems Inc. |
1581 |
+ * Copyright (C) 2003 Adrian Sun (asun@×××××××××××××.com) |
1582 |
+ * |
1583 |
+- * This program is free software; you can redistribute it and/or |
1584 |
+- * modify it under the terms of the GNU General Public License as |
1585 |
+- * published by the Free Software Foundation; either version 2 of the |
1586 |
+- * License, or (at your option) any later version. |
1587 |
+- * |
1588 |
+- * This program is distributed in the hope that it will be useful, |
1589 |
+- * but WITHOUT ANY WARRANTY; without even the implied warranty of |
1590 |
+- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
1591 |
+- * GNU General Public License for more details. |
1592 |
+- * |
1593 |
+- * You should have received a copy of the GNU General Public License |
1594 |
+- * along with this program; if not, see <http://www.gnu.org/licenses/>. |
1595 |
+- * |
1596 |
+ * This driver uses the sungem driver (c) David Miller |
1597 |
+ * (davem@××××××.com) as its basis. |
1598 |
+ * |
1599 |
+diff --git a/drivers/net/ethernet/sun/cassini.h b/drivers/net/ethernet/sun/cassini.h |
1600 |
+index 13f3860496a8..ae5f05f03f88 100644 |
1601 |
+--- a/drivers/net/ethernet/sun/cassini.h |
1602 |
++++ b/drivers/net/ethernet/sun/cassini.h |
1603 |
+@@ -1,23 +1,10 @@ |
1604 |
+-/* SPDX-License-Identifier: GPL-2.0 */ |
1605 |
++/* SPDX-License-Identifier: GPL-2.0+ */ |
1606 |
+ /* $Id: cassini.h,v 1.16 2004/08/17 21:15:16 zaumen Exp $ |
1607 |
+ * cassini.h: Definitions for Sun Microsystems Cassini(+) ethernet driver. |
1608 |
+ * |
1609 |
+ * Copyright (C) 2004 Sun Microsystems Inc. |
1610 |
+ * Copyright (c) 2003 Adrian Sun (asun@×××××××××××××.com) |
1611 |
+ * |
1612 |
+- * This program is free software; you can redistribute it and/or |
1613 |
+- * modify it under the terms of the GNU General Public License as |
1614 |
+- * published by the Free Software Foundation; either version 2 of the |
1615 |
+- * License, or (at your option) any later version. |
1616 |
+- * |
1617 |
+- * This program is distributed in the hope that it will be useful, |
1618 |
+- * but WITHOUT ANY WARRANTY; without even the implied warranty of |
1619 |
+- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
1620 |
+- * GNU General Public License for more details. |
1621 |
+- * |
1622 |
+- * You should have received a copy of the GNU General Public License |
1623 |
+- * along with this program; if not, see <http://www.gnu.org/licenses/>. |
1624 |
+- * |
1625 |
+ * vendor id: 0x108E (Sun Microsystems, Inc.) |
1626 |
+ * device id: 0xabba (Cassini) |
1627 |
+ * revision ids: 0x01 = Cassini |
1628 |
+diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c |
1629 |
+index f7c69ca34056..d71be15c8c69 100644 |
1630 |
+--- a/drivers/net/phy/marvell.c |
1631 |
++++ b/drivers/net/phy/marvell.c |
1632 |
+@@ -1063,6 +1063,39 @@ static int m88e1145_config_init(struct phy_device *phydev) |
1633 |
+ return 0; |
1634 |
+ } |
1635 |
+ |
1636 |
++/* The VOD can be out of specification on link up. Poke an |
1637 |
++ * undocumented register, in an undocumented page, with a magic value |
1638 |
++ * to fix this. |
1639 |
++ */ |
1640 |
++static int m88e6390_errata(struct phy_device *phydev) |
1641 |
++{ |
1642 |
++ int err; |
1643 |
++ |
1644 |
++ err = phy_write(phydev, MII_BMCR, |
1645 |
++ BMCR_ANENABLE | BMCR_SPEED1000 | BMCR_FULLDPLX); |
1646 |
++ if (err) |
1647 |
++ return err; |
1648 |
++ |
1649 |
++ usleep_range(300, 400); |
1650 |
++ |
1651 |
++ err = phy_write_paged(phydev, 0xf8, 0x08, 0x36); |
1652 |
++ if (err) |
1653 |
++ return err; |
1654 |
++ |
1655 |
++ return genphy_soft_reset(phydev); |
1656 |
++} |
1657 |
++ |
1658 |
++static int m88e6390_config_aneg(struct phy_device *phydev) |
1659 |
++{ |
1660 |
++ int err; |
1661 |
++ |
1662 |
++ err = m88e6390_errata(phydev); |
1663 |
++ if (err) |
1664 |
++ return err; |
1665 |
++ |
1666 |
++ return m88e1510_config_aneg(phydev); |
1667 |
++} |
1668 |
++ |
1669 |
+ /** |
1670 |
+ * fiber_lpa_to_ethtool_lpa_t |
1671 |
+ * @lpa: value of the MII_LPA register for fiber link |
1672 |
+@@ -1418,7 +1451,7 @@ static int m88e1318_set_wol(struct phy_device *phydev, |
1673 |
+ * before enabling it if !phy_interrupt_is_valid() |
1674 |
+ */ |
1675 |
+ if (!phy_interrupt_is_valid(phydev)) |
1676 |
+- phy_read(phydev, MII_M1011_IEVENT); |
1677 |
++ __phy_read(phydev, MII_M1011_IEVENT); |
1678 |
+ |
1679 |
+ /* Enable the WOL interrupt */ |
1680 |
+ err = __phy_modify(phydev, MII_88E1318S_PHY_CSIER, 0, |
1681 |
+@@ -2313,7 +2346,7 @@ static struct phy_driver marvell_drivers[] = { |
1682 |
+ .flags = PHY_HAS_INTERRUPT, |
1683 |
+ .probe = m88e6390_probe, |
1684 |
+ .config_init = &marvell_config_init, |
1685 |
+- .config_aneg = &m88e1510_config_aneg, |
1686 |
++ .config_aneg = &m88e6390_config_aneg, |
1687 |
+ .read_status = &marvell_read_status, |
1688 |
+ .ack_interrupt = &marvell_ack_interrupt, |
1689 |
+ .config_intr = &marvell_config_intr, |
1690 |
+diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c |
1691 |
+index 98f4b1f706df..15c5586d74ff 100644 |
1692 |
+--- a/drivers/net/phy/mdio_bus.c |
1693 |
++++ b/drivers/net/phy/mdio_bus.c |
1694 |
+@@ -391,6 +391,7 @@ int __mdiobus_register(struct mii_bus *bus, struct module *owner) |
1695 |
+ if (IS_ERR(gpiod)) { |
1696 |
+ dev_err(&bus->dev, "mii_bus %s couldn't get reset GPIO\n", |
1697 |
+ bus->id); |
1698 |
++ device_del(&bus->dev); |
1699 |
+ return PTR_ERR(gpiod); |
1700 |
+ } else if (gpiod) { |
1701 |
+ bus->reset_gpiod = gpiod; |
1702 |
+diff --git a/drivers/net/ppp/pppoe.c b/drivers/net/ppp/pppoe.c |
1703 |
+index 62dc564b251d..f22639f0116a 100644 |
1704 |
+--- a/drivers/net/ppp/pppoe.c |
1705 |
++++ b/drivers/net/ppp/pppoe.c |
1706 |
+@@ -445,6 +445,7 @@ static int pppoe_rcv(struct sk_buff *skb, struct net_device *dev, |
1707 |
+ if (pskb_trim_rcsum(skb, len)) |
1708 |
+ goto drop; |
1709 |
+ |
1710 |
++ ph = pppoe_hdr(skb); |
1711 |
+ pn = pppoe_pernet(dev_net(dev)); |
1712 |
+ |
1713 |
+ /* Note that get_item does a sock_hold(), so sk_pppox(po) |
1714 |
+diff --git a/drivers/nvme/target/rdma.c b/drivers/nvme/target/rdma.c |
1715 |
+index e57f3902beb3..08f997a390d5 100644 |
1716 |
+--- a/drivers/nvme/target/rdma.c |
1717 |
++++ b/drivers/nvme/target/rdma.c |
1718 |
+@@ -139,6 +139,10 @@ static void nvmet_rdma_recv_done(struct ib_cq *cq, struct ib_wc *wc); |
1719 |
+ static void nvmet_rdma_read_data_done(struct ib_cq *cq, struct ib_wc *wc); |
1720 |
+ static void nvmet_rdma_qp_event(struct ib_event *event, void *priv); |
1721 |
+ static void nvmet_rdma_queue_disconnect(struct nvmet_rdma_queue *queue); |
1722 |
++static void nvmet_rdma_free_rsp(struct nvmet_rdma_device *ndev, |
1723 |
++ struct nvmet_rdma_rsp *r); |
1724 |
++static int nvmet_rdma_alloc_rsp(struct nvmet_rdma_device *ndev, |
1725 |
++ struct nvmet_rdma_rsp *r); |
1726 |
+ |
1727 |
+ static const struct nvmet_fabrics_ops nvmet_rdma_ops; |
1728 |
+ |
1729 |
+@@ -182,9 +186,17 @@ nvmet_rdma_get_rsp(struct nvmet_rdma_queue *queue) |
1730 |
+ spin_unlock_irqrestore(&queue->rsps_lock, flags); |
1731 |
+ |
1732 |
+ if (unlikely(!rsp)) { |
1733 |
+- rsp = kmalloc(sizeof(*rsp), GFP_KERNEL); |
1734 |
++ int ret; |
1735 |
++ |
1736 |
++ rsp = kzalloc(sizeof(*rsp), GFP_KERNEL); |
1737 |
+ if (unlikely(!rsp)) |
1738 |
+ return NULL; |
1739 |
++ ret = nvmet_rdma_alloc_rsp(queue->dev, rsp); |
1740 |
++ if (unlikely(ret)) { |
1741 |
++ kfree(rsp); |
1742 |
++ return NULL; |
1743 |
++ } |
1744 |
++ |
1745 |
+ rsp->allocated = true; |
1746 |
+ } |
1747 |
+ |
1748 |
+@@ -196,7 +208,8 @@ nvmet_rdma_put_rsp(struct nvmet_rdma_rsp *rsp) |
1749 |
+ { |
1750 |
+ unsigned long flags; |
1751 |
+ |
1752 |
+- if (rsp->allocated) { |
1753 |
++ if (unlikely(rsp->allocated)) { |
1754 |
++ nvmet_rdma_free_rsp(rsp->queue->dev, rsp); |
1755 |
+ kfree(rsp); |
1756 |
+ return; |
1757 |
+ } |
1758 |
+diff --git a/drivers/s390/char/sclp_config.c b/drivers/s390/char/sclp_config.c |
1759 |
+index 194ffd5c8580..039b2074db7e 100644 |
1760 |
+--- a/drivers/s390/char/sclp_config.c |
1761 |
++++ b/drivers/s390/char/sclp_config.c |
1762 |
+@@ -60,7 +60,9 @@ static void sclp_cpu_capability_notify(struct work_struct *work) |
1763 |
+ |
1764 |
+ static void __ref sclp_cpu_change_notify(struct work_struct *work) |
1765 |
+ { |
1766 |
++ lock_device_hotplug(); |
1767 |
+ smp_rescan_cpus(); |
1768 |
++ unlock_device_hotplug(); |
1769 |
+ } |
1770 |
+ |
1771 |
+ static void sclp_conf_receiver_fn(struct evbuf_header *evbuf) |
1772 |
+diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c |
1773 |
+index 0b81d9d03357..12ddb5928a73 100644 |
1774 |
+--- a/drivers/scsi/ufs/ufshcd.c |
1775 |
++++ b/drivers/scsi/ufs/ufshcd.c |
1776 |
+@@ -109,13 +109,19 @@ |
1777 |
+ int ufshcd_dump_regs(struct ufs_hba *hba, size_t offset, size_t len, |
1778 |
+ const char *prefix) |
1779 |
+ { |
1780 |
+- u8 *regs; |
1781 |
++ u32 *regs; |
1782 |
++ size_t pos; |
1783 |
++ |
1784 |
++ if (offset % 4 != 0 || len % 4 != 0) /* keep readl happy */ |
1785 |
++ return -EINVAL; |
1786 |
+ |
1787 |
+ regs = kzalloc(len, GFP_KERNEL); |
1788 |
+ if (!regs) |
1789 |
+ return -ENOMEM; |
1790 |
+ |
1791 |
+- memcpy_fromio(regs, hba->mmio_base + offset, len); |
1792 |
++ for (pos = 0; pos < len; pos += 4) |
1793 |
++ regs[pos / 4] = ufshcd_readl(hba, offset + pos); |
1794 |
++ |
1795 |
+ ufshcd_hex_dump(prefix, regs, len); |
1796 |
+ kfree(regs); |
1797 |
+ |
1798 |
+diff --git a/drivers/staging/rtl8188eu/os_dep/usb_intf.c b/drivers/staging/rtl8188eu/os_dep/usb_intf.c |
1799 |
+index 28cbd6b3d26c..dfee6985efa6 100644 |
1800 |
+--- a/drivers/staging/rtl8188eu/os_dep/usb_intf.c |
1801 |
++++ b/drivers/staging/rtl8188eu/os_dep/usb_intf.c |
1802 |
+@@ -35,6 +35,7 @@ static const struct usb_device_id rtw_usb_id_tbl[] = { |
1803 |
+ {USB_DEVICE(0x2001, 0x330F)}, /* DLink DWA-125 REV D1 */ |
1804 |
+ {USB_DEVICE(0x2001, 0x3310)}, /* Dlink DWA-123 REV D1 */ |
1805 |
+ {USB_DEVICE(0x2001, 0x3311)}, /* DLink GO-USB-N150 REV B1 */ |
1806 |
++ {USB_DEVICE(0x2001, 0x331B)}, /* D-Link DWA-121 rev B1 */ |
1807 |
+ {USB_DEVICE(0x2357, 0x010c)}, /* TP-Link TL-WN722N v2 */ |
1808 |
+ {USB_DEVICE(0x0df6, 0x0076)}, /* Sitecom N150 v2 */ |
1809 |
+ {USB_DEVICE(USB_VENDER_ID_REALTEK, 0xffef)}, /* Rosewill RNX-N150NUB */ |
1810 |
+diff --git a/drivers/tty/n_hdlc.c b/drivers/tty/n_hdlc.c |
1811 |
+index dabb391909aa..bb63519db7ae 100644 |
1812 |
+--- a/drivers/tty/n_hdlc.c |
1813 |
++++ b/drivers/tty/n_hdlc.c |
1814 |
+@@ -597,6 +597,7 @@ static ssize_t n_hdlc_tty_read(struct tty_struct *tty, struct file *file, |
1815 |
+ /* too large for caller's buffer */ |
1816 |
+ ret = -EOVERFLOW; |
1817 |
+ } else { |
1818 |
++ __set_current_state(TASK_RUNNING); |
1819 |
+ if (copy_to_user(buf, rbuf->buf, rbuf->count)) |
1820 |
+ ret = -EFAULT; |
1821 |
+ else |
1822 |
+diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c |
1823 |
+index ad126f51d549..7fe679413188 100644 |
1824 |
+--- a/drivers/tty/serial/serial_core.c |
1825 |
++++ b/drivers/tty/serial/serial_core.c |
1826 |
+@@ -550,10 +550,12 @@ static int uart_put_char(struct tty_struct *tty, unsigned char c) |
1827 |
+ int ret = 0; |
1828 |
+ |
1829 |
+ circ = &state->xmit; |
1830 |
+- if (!circ->buf) |
1831 |
++ port = uart_port_lock(state, flags); |
1832 |
++ if (!circ->buf) { |
1833 |
++ uart_port_unlock(port, flags); |
1834 |
+ return 0; |
1835 |
++ } |
1836 |
+ |
1837 |
+- port = uart_port_lock(state, flags); |
1838 |
+ if (port && uart_circ_chars_free(circ) != 0) { |
1839 |
+ circ->buf[circ->head] = c; |
1840 |
+ circ->head = (circ->head + 1) & (UART_XMIT_SIZE - 1); |
1841 |
+@@ -586,11 +588,13 @@ static int uart_write(struct tty_struct *tty, |
1842 |
+ return -EL3HLT; |
1843 |
+ } |
1844 |
+ |
1845 |
++ port = uart_port_lock(state, flags); |
1846 |
+ circ = &state->xmit; |
1847 |
+- if (!circ->buf) |
1848 |
++ if (!circ->buf) { |
1849 |
++ uart_port_unlock(port, flags); |
1850 |
+ return 0; |
1851 |
++ } |
1852 |
+ |
1853 |
+- port = uart_port_lock(state, flags); |
1854 |
+ while (port) { |
1855 |
+ c = CIRC_SPACE_TO_END(circ->head, circ->tail, UART_XMIT_SIZE); |
1856 |
+ if (count < c) |
1857 |
+diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c |
1858 |
+index 052ec16a4e84..e7d192ebecd7 100644 |
1859 |
+--- a/drivers/tty/tty_io.c |
1860 |
++++ b/drivers/tty/tty_io.c |
1861 |
+@@ -2188,7 +2188,8 @@ static int tiocsti(struct tty_struct *tty, char __user *p) |
1862 |
+ ld = tty_ldisc_ref_wait(tty); |
1863 |
+ if (!ld) |
1864 |
+ return -EIO; |
1865 |
+- ld->ops->receive_buf(tty, &ch, &mbz, 1); |
1866 |
++ if (ld->ops->receive_buf) |
1867 |
++ ld->ops->receive_buf(tty, &ch, &mbz, 1); |
1868 |
+ tty_ldisc_deref(ld); |
1869 |
+ return 0; |
1870 |
+ } |
1871 |
+diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c |
1872 |
+index 476ec4b1b86c..da335899527b 100644 |
1873 |
+--- a/drivers/tty/vt/vt.c |
1874 |
++++ b/drivers/tty/vt/vt.c |
1875 |
+@@ -1275,6 +1275,7 @@ static int vc_do_resize(struct tty_struct *tty, struct vc_data *vc, |
1876 |
+ if (con_is_visible(vc)) |
1877 |
+ update_screen(vc); |
1878 |
+ vt_event_post(VT_EVENT_RESIZE, vc->vc_num, vc->vc_num); |
1879 |
++ notify_update(vc); |
1880 |
+ return err; |
1881 |
+ } |
1882 |
+ |
1883 |
+@@ -2767,8 +2768,8 @@ rescan_last_byte: |
1884 |
+ con_flush(vc, draw_from, draw_to, &draw_x); |
1885 |
+ vc_uniscr_debug_check(vc); |
1886 |
+ console_conditional_schedule(); |
1887 |
+- console_unlock(); |
1888 |
+ notify_update(vc); |
1889 |
++ console_unlock(); |
1890 |
+ return n; |
1891 |
+ } |
1892 |
+ |
1893 |
+@@ -2887,8 +2888,7 @@ static void vt_console_print(struct console *co, const char *b, unsigned count) |
1894 |
+ unsigned char c; |
1895 |
+ static DEFINE_SPINLOCK(printing_lock); |
1896 |
+ const ushort *start; |
1897 |
+- ushort cnt = 0; |
1898 |
+- ushort myx; |
1899 |
++ ushort start_x, cnt; |
1900 |
+ int kmsg_console; |
1901 |
+ |
1902 |
+ /* console busy or not yet initialized */ |
1903 |
+@@ -2901,10 +2901,6 @@ static void vt_console_print(struct console *co, const char *b, unsigned count) |
1904 |
+ if (kmsg_console && vc_cons_allocated(kmsg_console - 1)) |
1905 |
+ vc = vc_cons[kmsg_console - 1].d; |
1906 |
+ |
1907 |
+- /* read `x' only after setting currcons properly (otherwise |
1908 |
+- the `x' macro will read the x of the foreground console). */ |
1909 |
+- myx = vc->vc_x; |
1910 |
+- |
1911 |
+ if (!vc_cons_allocated(fg_console)) { |
1912 |
+ /* impossible */ |
1913 |
+ /* printk("vt_console_print: tty %d not allocated ??\n", currcons+1); */ |
1914 |
+@@ -2919,53 +2915,41 @@ static void vt_console_print(struct console *co, const char *b, unsigned count) |
1915 |
+ hide_cursor(vc); |
1916 |
+ |
1917 |
+ start = (ushort *)vc->vc_pos; |
1918 |
+- |
1919 |
+- /* Contrived structure to try to emulate original need_wrap behaviour |
1920 |
+- * Problems caused when we have need_wrap set on '\n' character */ |
1921 |
++ start_x = vc->vc_x; |
1922 |
++ cnt = 0; |
1923 |
+ while (count--) { |
1924 |
+ c = *b++; |
1925 |
+ if (c == 10 || c == 13 || c == 8 || vc->vc_need_wrap) { |
1926 |
+- if (cnt > 0) { |
1927 |
+- if (con_is_visible(vc)) |
1928 |
+- vc->vc_sw->con_putcs(vc, start, cnt, vc->vc_y, vc->vc_x); |
1929 |
+- vc->vc_x += cnt; |
1930 |
+- if (vc->vc_need_wrap) |
1931 |
+- vc->vc_x--; |
1932 |
+- cnt = 0; |
1933 |
+- } |
1934 |
++ if (cnt && con_is_visible(vc)) |
1935 |
++ vc->vc_sw->con_putcs(vc, start, cnt, vc->vc_y, start_x); |
1936 |
++ cnt = 0; |
1937 |
+ if (c == 8) { /* backspace */ |
1938 |
+ bs(vc); |
1939 |
+ start = (ushort *)vc->vc_pos; |
1940 |
+- myx = vc->vc_x; |
1941 |
++ start_x = vc->vc_x; |
1942 |
+ continue; |
1943 |
+ } |
1944 |
+ if (c != 13) |
1945 |
+ lf(vc); |
1946 |
+ cr(vc); |
1947 |
+ start = (ushort *)vc->vc_pos; |
1948 |
+- myx = vc->vc_x; |
1949 |
++ start_x = vc->vc_x; |
1950 |
+ if (c == 10 || c == 13) |
1951 |
+ continue; |
1952 |
+ } |
1953 |
++ vc_uniscr_putc(vc, c); |
1954 |
+ scr_writew((vc->vc_attr << 8) + c, (unsigned short *)vc->vc_pos); |
1955 |
+ notify_write(vc, c); |
1956 |
+ cnt++; |
1957 |
+- if (myx == vc->vc_cols - 1) { |
1958 |
+- vc->vc_need_wrap = 1; |
1959 |
+- continue; |
1960 |
+- } |
1961 |
+- vc->vc_pos += 2; |
1962 |
+- myx++; |
1963 |
+- } |
1964 |
+- if (cnt > 0) { |
1965 |
+- if (con_is_visible(vc)) |
1966 |
+- vc->vc_sw->con_putcs(vc, start, cnt, vc->vc_y, vc->vc_x); |
1967 |
+- vc->vc_x += cnt; |
1968 |
+- if (vc->vc_x == vc->vc_cols) { |
1969 |
+- vc->vc_x--; |
1970 |
++ if (vc->vc_x == vc->vc_cols - 1) { |
1971 |
+ vc->vc_need_wrap = 1; |
1972 |
++ } else { |
1973 |
++ vc->vc_pos += 2; |
1974 |
++ vc->vc_x++; |
1975 |
+ } |
1976 |
+ } |
1977 |
++ if (cnt && con_is_visible(vc)) |
1978 |
++ vc->vc_sw->con_putcs(vc, start, cnt, vc->vc_y, start_x); |
1979 |
+ set_cursor(vc); |
1980 |
+ notify_update(vc); |
1981 |
+ |
1982 |
+diff --git a/drivers/usb/core/ledtrig-usbport.c b/drivers/usb/core/ledtrig-usbport.c |
1983 |
+index dc7f7fd71684..c12ac56606c3 100644 |
1984 |
+--- a/drivers/usb/core/ledtrig-usbport.c |
1985 |
++++ b/drivers/usb/core/ledtrig-usbport.c |
1986 |
+@@ -119,11 +119,6 @@ static const struct attribute_group ports_group = { |
1987 |
+ .attrs = ports_attrs, |
1988 |
+ }; |
1989 |
+ |
1990 |
+-static const struct attribute_group *ports_groups[] = { |
1991 |
+- &ports_group, |
1992 |
+- NULL |
1993 |
+-}; |
1994 |
+- |
1995 |
+ /*************************************** |
1996 |
+ * Adding & removing ports |
1997 |
+ ***************************************/ |
1998 |
+@@ -307,6 +302,7 @@ static int usbport_trig_notify(struct notifier_block *nb, unsigned long action, |
1999 |
+ static int usbport_trig_activate(struct led_classdev *led_cdev) |
2000 |
+ { |
2001 |
+ struct usbport_trig_data *usbport_data; |
2002 |
++ int err; |
2003 |
+ |
2004 |
+ usbport_data = kzalloc(sizeof(*usbport_data), GFP_KERNEL); |
2005 |
+ if (!usbport_data) |
2006 |
+@@ -315,6 +311,9 @@ static int usbport_trig_activate(struct led_classdev *led_cdev) |
2007 |
+ |
2008 |
+ /* List of ports */ |
2009 |
+ INIT_LIST_HEAD(&usbport_data->ports); |
2010 |
++ err = sysfs_create_group(&led_cdev->dev->kobj, &ports_group); |
2011 |
++ if (err) |
2012 |
++ goto err_free; |
2013 |
+ usb_for_each_dev(usbport_data, usbport_trig_add_usb_dev_ports); |
2014 |
+ usbport_trig_update_count(usbport_data); |
2015 |
+ |
2016 |
+@@ -322,8 +321,11 @@ static int usbport_trig_activate(struct led_classdev *led_cdev) |
2017 |
+ usbport_data->nb.notifier_call = usbport_trig_notify; |
2018 |
+ led_set_trigger_data(led_cdev, usbport_data); |
2019 |
+ usb_register_notify(&usbport_data->nb); |
2020 |
+- |
2021 |
+ return 0; |
2022 |
++ |
2023 |
++err_free: |
2024 |
++ kfree(usbport_data); |
2025 |
++ return err; |
2026 |
+ } |
2027 |
+ |
2028 |
+ static void usbport_trig_deactivate(struct led_classdev *led_cdev) |
2029 |
+@@ -335,6 +337,8 @@ static void usbport_trig_deactivate(struct led_classdev *led_cdev) |
2030 |
+ usbport_trig_remove_port(usbport_data, port); |
2031 |
+ } |
2032 |
+ |
2033 |
++ sysfs_remove_group(&led_cdev->dev->kobj, &ports_group); |
2034 |
++ |
2035 |
+ usb_unregister_notify(&usbport_data->nb); |
2036 |
+ |
2037 |
+ kfree(usbport_data); |
2038 |
+@@ -344,7 +348,6 @@ static struct led_trigger usbport_led_trigger = { |
2039 |
+ .name = "usbport", |
2040 |
+ .activate = usbport_trig_activate, |
2041 |
+ .deactivate = usbport_trig_deactivate, |
2042 |
+- .groups = ports_groups, |
2043 |
+ }; |
2044 |
+ |
2045 |
+ static int __init usbport_trig_init(void) |
2046 |
+diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c |
2047 |
+index 558949b826d0..d8bf9307901e 100644 |
2048 |
+--- a/drivers/usb/dwc3/gadget.c |
2049 |
++++ b/drivers/usb/dwc3/gadget.c |
2050 |
+@@ -177,6 +177,8 @@ static void dwc3_gadget_del_and_unmap_request(struct dwc3_ep *dep, |
2051 |
+ req->started = false; |
2052 |
+ list_del(&req->list); |
2053 |
+ req->remaining = 0; |
2054 |
++ req->unaligned = false; |
2055 |
++ req->zero = false; |
2056 |
+ |
2057 |
+ if (req->request.status == -EINPROGRESS) |
2058 |
+ req->request.status = status; |
2059 |
+diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c |
2060 |
+index d5b38f096698..5a6df6e9ad57 100644 |
2061 |
+--- a/drivers/usb/serial/pl2303.c |
2062 |
++++ b/drivers/usb/serial/pl2303.c |
2063 |
+@@ -46,6 +46,7 @@ static const struct usb_device_id id_table[] = { |
2064 |
+ { USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_HCR331) }, |
2065 |
+ { USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_MOTOROLA) }, |
2066 |
+ { USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_ZTEK) }, |
2067 |
++ { USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_TB) }, |
2068 |
+ { USB_DEVICE(IODATA_VENDOR_ID, IODATA_PRODUCT_ID) }, |
2069 |
+ { USB_DEVICE(IODATA_VENDOR_ID, IODATA_PRODUCT_ID_RSAQ5) }, |
2070 |
+ { USB_DEVICE(ATEN_VENDOR_ID, ATEN_PRODUCT_ID), |
2071 |
+diff --git a/drivers/usb/serial/pl2303.h b/drivers/usb/serial/pl2303.h |
2072 |
+index 4e2554d55362..559941ca884d 100644 |
2073 |
+--- a/drivers/usb/serial/pl2303.h |
2074 |
++++ b/drivers/usb/serial/pl2303.h |
2075 |
+@@ -8,6 +8,7 @@ |
2076 |
+ |
2077 |
+ #define PL2303_VENDOR_ID 0x067b |
2078 |
+ #define PL2303_PRODUCT_ID 0x2303 |
2079 |
++#define PL2303_PRODUCT_ID_TB 0x2304 |
2080 |
+ #define PL2303_PRODUCT_ID_RSAQ2 0x04bb |
2081 |
+ #define PL2303_PRODUCT_ID_DCU11 0x1234 |
2082 |
+ #define PL2303_PRODUCT_ID_PHAROS 0xaaa0 |
2083 |
+@@ -20,6 +21,7 @@ |
2084 |
+ #define PL2303_PRODUCT_ID_MOTOROLA 0x0307 |
2085 |
+ #define PL2303_PRODUCT_ID_ZTEK 0xe1f1 |
2086 |
+ |
2087 |
++ |
2088 |
+ #define ATEN_VENDOR_ID 0x0557 |
2089 |
+ #define ATEN_VENDOR_ID2 0x0547 |
2090 |
+ #define ATEN_PRODUCT_ID 0x2008 |
2091 |
+diff --git a/drivers/usb/serial/usb-serial-simple.c b/drivers/usb/serial/usb-serial-simple.c |
2092 |
+index 4d0273508043..edbbb13d6de6 100644 |
2093 |
+--- a/drivers/usb/serial/usb-serial-simple.c |
2094 |
++++ b/drivers/usb/serial/usb-serial-simple.c |
2095 |
+@@ -85,7 +85,8 @@ DEVICE(moto_modem, MOTO_IDS); |
2096 |
+ /* Motorola Tetra driver */ |
2097 |
+ #define MOTOROLA_TETRA_IDS() \ |
2098 |
+ { USB_DEVICE(0x0cad, 0x9011) }, /* Motorola Solutions TETRA PEI */ \ |
2099 |
+- { USB_DEVICE(0x0cad, 0x9012) } /* MTP6550 */ |
2100 |
++ { USB_DEVICE(0x0cad, 0x9012) }, /* MTP6550 */ \ |
2101 |
++ { USB_DEVICE(0x0cad, 0x9016) } /* TPG2200 */ |
2102 |
+ DEVICE(motorola_tetra, MOTOROLA_TETRA_IDS); |
2103 |
+ |
2104 |
+ /* Novatel Wireless GPS driver */ |
2105 |
+diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c |
2106 |
+index 4e656f89cb22..a86aa65ad66d 100644 |
2107 |
+--- a/drivers/vhost/net.c |
2108 |
++++ b/drivers/vhost/net.c |
2109 |
+@@ -1024,7 +1024,8 @@ static void handle_rx(struct vhost_net *net) |
2110 |
+ if (nvq->done_idx > VHOST_NET_BATCH) |
2111 |
+ vhost_net_signal_used(nvq); |
2112 |
+ if (unlikely(vq_log)) |
2113 |
+- vhost_log_write(vq, vq_log, log, vhost_len); |
2114 |
++ vhost_log_write(vq, vq_log, log, vhost_len, |
2115 |
++ vq->iov, in); |
2116 |
+ total_len += vhost_len; |
2117 |
+ if (unlikely(vhost_exceeds_weight(++recv_pkts, total_len))) { |
2118 |
+ vhost_poll_queue(&vq->poll); |
2119 |
+diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c |
2120 |
+index 55e5aa662ad5..c66fc8308b5e 100644 |
2121 |
+--- a/drivers/vhost/vhost.c |
2122 |
++++ b/drivers/vhost/vhost.c |
2123 |
+@@ -1733,13 +1733,87 @@ static int log_write(void __user *log_base, |
2124 |
+ return r; |
2125 |
+ } |
2126 |
+ |
2127 |
++static int log_write_hva(struct vhost_virtqueue *vq, u64 hva, u64 len) |
2128 |
++{ |
2129 |
++ struct vhost_umem *umem = vq->umem; |
2130 |
++ struct vhost_umem_node *u; |
2131 |
++ u64 start, end, l, min; |
2132 |
++ int r; |
2133 |
++ bool hit = false; |
2134 |
++ |
2135 |
++ while (len) { |
2136 |
++ min = len; |
2137 |
++ /* More than one GPAs can be mapped into a single HVA. So |
2138 |
++ * iterate all possible umems here to be safe. |
2139 |
++ */ |
2140 |
++ list_for_each_entry(u, &umem->umem_list, link) { |
2141 |
++ if (u->userspace_addr > hva - 1 + len || |
2142 |
++ u->userspace_addr - 1 + u->size < hva) |
2143 |
++ continue; |
2144 |
++ start = max(u->userspace_addr, hva); |
2145 |
++ end = min(u->userspace_addr - 1 + u->size, |
2146 |
++ hva - 1 + len); |
2147 |
++ l = end - start + 1; |
2148 |
++ r = log_write(vq->log_base, |
2149 |
++ u->start + start - u->userspace_addr, |
2150 |
++ l); |
2151 |
++ if (r < 0) |
2152 |
++ return r; |
2153 |
++ hit = true; |
2154 |
++ min = min(l, min); |
2155 |
++ } |
2156 |
++ |
2157 |
++ if (!hit) |
2158 |
++ return -EFAULT; |
2159 |
++ |
2160 |
++ len -= min; |
2161 |
++ hva += min; |
2162 |
++ } |
2163 |
++ |
2164 |
++ return 0; |
2165 |
++} |
2166 |
++ |
2167 |
++static int log_used(struct vhost_virtqueue *vq, u64 used_offset, u64 len) |
2168 |
++{ |
2169 |
++ struct iovec iov[64]; |
2170 |
++ int i, ret; |
2171 |
++ |
2172 |
++ if (!vq->iotlb) |
2173 |
++ return log_write(vq->log_base, vq->log_addr + used_offset, len); |
2174 |
++ |
2175 |
++ ret = translate_desc(vq, (uintptr_t)vq->used + used_offset, |
2176 |
++ len, iov, 64, VHOST_ACCESS_WO); |
2177 |
++ if (ret) |
2178 |
++ return ret; |
2179 |
++ |
2180 |
++ for (i = 0; i < ret; i++) { |
2181 |
++ ret = log_write_hva(vq, (uintptr_t)iov[i].iov_base, |
2182 |
++ iov[i].iov_len); |
2183 |
++ if (ret) |
2184 |
++ return ret; |
2185 |
++ } |
2186 |
++ |
2187 |
++ return 0; |
2188 |
++} |
2189 |
++ |
2190 |
+ int vhost_log_write(struct vhost_virtqueue *vq, struct vhost_log *log, |
2191 |
+- unsigned int log_num, u64 len) |
2192 |
++ unsigned int log_num, u64 len, struct iovec *iov, int count) |
2193 |
+ { |
2194 |
+ int i, r; |
2195 |
+ |
2196 |
+ /* Make sure data written is seen before log. */ |
2197 |
+ smp_wmb(); |
2198 |
++ |
2199 |
++ if (vq->iotlb) { |
2200 |
++ for (i = 0; i < count; i++) { |
2201 |
++ r = log_write_hva(vq, (uintptr_t)iov[i].iov_base, |
2202 |
++ iov[i].iov_len); |
2203 |
++ if (r < 0) |
2204 |
++ return r; |
2205 |
++ } |
2206 |
++ return 0; |
2207 |
++ } |
2208 |
++ |
2209 |
+ for (i = 0; i < log_num; ++i) { |
2210 |
+ u64 l = min(log[i].len, len); |
2211 |
+ r = log_write(vq->log_base, log[i].addr, l); |
2212 |
+@@ -1769,9 +1843,8 @@ static int vhost_update_used_flags(struct vhost_virtqueue *vq) |
2213 |
+ smp_wmb(); |
2214 |
+ /* Log used flag write. */ |
2215 |
+ used = &vq->used->flags; |
2216 |
+- log_write(vq->log_base, vq->log_addr + |
2217 |
+- (used - (void __user *)vq->used), |
2218 |
+- sizeof vq->used->flags); |
2219 |
++ log_used(vq, (used - (void __user *)vq->used), |
2220 |
++ sizeof vq->used->flags); |
2221 |
+ if (vq->log_ctx) |
2222 |
+ eventfd_signal(vq->log_ctx, 1); |
2223 |
+ } |
2224 |
+@@ -1789,9 +1862,8 @@ static int vhost_update_avail_event(struct vhost_virtqueue *vq, u16 avail_event) |
2225 |
+ smp_wmb(); |
2226 |
+ /* Log avail event write */ |
2227 |
+ used = vhost_avail_event(vq); |
2228 |
+- log_write(vq->log_base, vq->log_addr + |
2229 |
+- (used - (void __user *)vq->used), |
2230 |
+- sizeof *vhost_avail_event(vq)); |
2231 |
++ log_used(vq, (used - (void __user *)vq->used), |
2232 |
++ sizeof *vhost_avail_event(vq)); |
2233 |
+ if (vq->log_ctx) |
2234 |
+ eventfd_signal(vq->log_ctx, 1); |
2235 |
+ } |
2236 |
+@@ -2191,10 +2263,8 @@ static int __vhost_add_used_n(struct vhost_virtqueue *vq, |
2237 |
+ /* Make sure data is seen before log. */ |
2238 |
+ smp_wmb(); |
2239 |
+ /* Log used ring entry write. */ |
2240 |
+- log_write(vq->log_base, |
2241 |
+- vq->log_addr + |
2242 |
+- ((void __user *)used - (void __user *)vq->used), |
2243 |
+- count * sizeof *used); |
2244 |
++ log_used(vq, ((void __user *)used - (void __user *)vq->used), |
2245 |
++ count * sizeof *used); |
2246 |
+ } |
2247 |
+ old = vq->last_used_idx; |
2248 |
+ new = (vq->last_used_idx += count); |
2249 |
+@@ -2236,9 +2306,8 @@ int vhost_add_used_n(struct vhost_virtqueue *vq, struct vring_used_elem *heads, |
2250 |
+ /* Make sure used idx is seen before log. */ |
2251 |
+ smp_wmb(); |
2252 |
+ /* Log used index update. */ |
2253 |
+- log_write(vq->log_base, |
2254 |
+- vq->log_addr + offsetof(struct vring_used, idx), |
2255 |
+- sizeof vq->used->idx); |
2256 |
++ log_used(vq, offsetof(struct vring_used, idx), |
2257 |
++ sizeof vq->used->idx); |
2258 |
+ if (vq->log_ctx) |
2259 |
+ eventfd_signal(vq->log_ctx, 1); |
2260 |
+ } |
2261 |
+diff --git a/drivers/vhost/vhost.h b/drivers/vhost/vhost.h |
2262 |
+index 466ef7542291..1b675dad5e05 100644 |
2263 |
+--- a/drivers/vhost/vhost.h |
2264 |
++++ b/drivers/vhost/vhost.h |
2265 |
+@@ -205,7 +205,8 @@ bool vhost_vq_avail_empty(struct vhost_dev *, struct vhost_virtqueue *); |
2266 |
+ bool vhost_enable_notify(struct vhost_dev *, struct vhost_virtqueue *); |
2267 |
+ |
2268 |
+ int vhost_log_write(struct vhost_virtqueue *vq, struct vhost_log *log, |
2269 |
+- unsigned int log_num, u64 len); |
2270 |
++ unsigned int log_num, u64 len, |
2271 |
++ struct iovec *iov, int count); |
2272 |
+ int vq_iotlb_prefetch(struct vhost_virtqueue *vq); |
2273 |
+ |
2274 |
+ struct vhost_msg_node *vhost_new_msg(struct vhost_virtqueue *vq, int type); |
2275 |
+diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c |
2276 |
+index 09731b2f6815..c6b3bdbbdbc9 100644 |
2277 |
+--- a/drivers/video/console/vgacon.c |
2278 |
++++ b/drivers/video/console/vgacon.c |
2279 |
+@@ -271,6 +271,7 @@ static void vgacon_scrollback_update(struct vc_data *c, int t, int count) |
2280 |
+ |
2281 |
+ static void vgacon_restore_screen(struct vc_data *c) |
2282 |
+ { |
2283 |
++ c->vc_origin = c->vc_visible_origin; |
2284 |
+ vgacon_scrollback_cur->save = 0; |
2285 |
+ |
2286 |
+ if (!vga_is_gfx && !vgacon_scrollback_cur->restore) { |
2287 |
+@@ -287,8 +288,7 @@ static void vgacon_scrolldelta(struct vc_data *c, int lines) |
2288 |
+ int start, end, count, soff; |
2289 |
+ |
2290 |
+ if (!lines) { |
2291 |
+- c->vc_visible_origin = c->vc_origin; |
2292 |
+- vga_set_mem_top(c); |
2293 |
++ vgacon_restore_screen(c); |
2294 |
+ return; |
2295 |
+ } |
2296 |
+ |
2297 |
+@@ -298,6 +298,7 @@ static void vgacon_scrolldelta(struct vc_data *c, int lines) |
2298 |
+ if (!vgacon_scrollback_cur->save) { |
2299 |
+ vgacon_cursor(c, CM_ERASE); |
2300 |
+ vgacon_save_screen(c); |
2301 |
++ c->vc_origin = (unsigned long)c->vc_screenbuf; |
2302 |
+ vgacon_scrollback_cur->save = 1; |
2303 |
+ } |
2304 |
+ |
2305 |
+@@ -335,7 +336,7 @@ static void vgacon_scrolldelta(struct vc_data *c, int lines) |
2306 |
+ int copysize; |
2307 |
+ |
2308 |
+ int diff = c->vc_rows - count; |
2309 |
+- void *d = (void *) c->vc_origin; |
2310 |
++ void *d = (void *) c->vc_visible_origin; |
2311 |
+ void *s = (void *) c->vc_screenbuf; |
2312 |
+ |
2313 |
+ count *= c->vc_size_row; |
2314 |
+diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c |
2315 |
+index eadffaa39f4e..c7542e8dd096 100644 |
2316 |
+--- a/fs/ceph/caps.c |
2317 |
++++ b/fs/ceph/caps.c |
2318 |
+@@ -1030,6 +1030,8 @@ static void drop_inode_snap_realm(struct ceph_inode_info *ci) |
2319 |
+ list_del_init(&ci->i_snap_realm_item); |
2320 |
+ ci->i_snap_realm_counter++; |
2321 |
+ ci->i_snap_realm = NULL; |
2322 |
++ if (realm->ino == ci->i_vino.ino) |
2323 |
++ realm->inode = NULL; |
2324 |
+ spin_unlock(&realm->inodes_with_caps_lock); |
2325 |
+ ceph_put_snap_realm(ceph_sb_to_client(ci->vfs_inode.i_sb)->mdsc, |
2326 |
+ realm); |
2327 |
+diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c |
2328 |
+index 5657b79dbc99..269471c8f42b 100644 |
2329 |
+--- a/fs/cifs/cifssmb.c |
2330 |
++++ b/fs/cifs/cifssmb.c |
2331 |
+@@ -1458,18 +1458,26 @@ cifs_discard_remaining_data(struct TCP_Server_Info *server) |
2332 |
+ } |
2333 |
+ |
2334 |
+ static int |
2335 |
+-cifs_readv_discard(struct TCP_Server_Info *server, struct mid_q_entry *mid) |
2336 |
++__cifs_readv_discard(struct TCP_Server_Info *server, struct mid_q_entry *mid, |
2337 |
++ bool malformed) |
2338 |
+ { |
2339 |
+ int length; |
2340 |
+- struct cifs_readdata *rdata = mid->callback_data; |
2341 |
+ |
2342 |
+ length = cifs_discard_remaining_data(server); |
2343 |
+- dequeue_mid(mid, rdata->result); |
2344 |
++ dequeue_mid(mid, malformed); |
2345 |
+ mid->resp_buf = server->smallbuf; |
2346 |
+ server->smallbuf = NULL; |
2347 |
+ return length; |
2348 |
+ } |
2349 |
+ |
2350 |
++static int |
2351 |
++cifs_readv_discard(struct TCP_Server_Info *server, struct mid_q_entry *mid) |
2352 |
++{ |
2353 |
++ struct cifs_readdata *rdata = mid->callback_data; |
2354 |
++ |
2355 |
++ return __cifs_readv_discard(server, mid, rdata->result); |
2356 |
++} |
2357 |
++ |
2358 |
+ int |
2359 |
+ cifs_readv_receive(struct TCP_Server_Info *server, struct mid_q_entry *mid) |
2360 |
+ { |
2361 |
+@@ -1511,12 +1519,23 @@ cifs_readv_receive(struct TCP_Server_Info *server, struct mid_q_entry *mid) |
2362 |
+ return -1; |
2363 |
+ } |
2364 |
+ |
2365 |
++ /* set up first two iov for signature check and to get credits */ |
2366 |
++ rdata->iov[0].iov_base = buf; |
2367 |
++ rdata->iov[0].iov_len = 4; |
2368 |
++ rdata->iov[1].iov_base = buf + 4; |
2369 |
++ rdata->iov[1].iov_len = server->total_read - 4; |
2370 |
++ cifs_dbg(FYI, "0: iov_base=%p iov_len=%zu\n", |
2371 |
++ rdata->iov[0].iov_base, rdata->iov[0].iov_len); |
2372 |
++ cifs_dbg(FYI, "1: iov_base=%p iov_len=%zu\n", |
2373 |
++ rdata->iov[1].iov_base, rdata->iov[1].iov_len); |
2374 |
++ |
2375 |
+ /* Was the SMB read successful? */ |
2376 |
+ rdata->result = server->ops->map_error(buf, false); |
2377 |
+ if (rdata->result != 0) { |
2378 |
+ cifs_dbg(FYI, "%s: server returned error %d\n", |
2379 |
+ __func__, rdata->result); |
2380 |
+- return cifs_readv_discard(server, mid); |
2381 |
++ /* normal error on read response */ |
2382 |
++ return __cifs_readv_discard(server, mid, false); |
2383 |
+ } |
2384 |
+ |
2385 |
+ /* Is there enough to get to the rest of the READ_RSP header? */ |
2386 |
+@@ -1560,14 +1579,6 @@ cifs_readv_receive(struct TCP_Server_Info *server, struct mid_q_entry *mid) |
2387 |
+ server->total_read += length; |
2388 |
+ } |
2389 |
+ |
2390 |
+- /* set up first iov for signature check */ |
2391 |
+- rdata->iov[0].iov_base = buf; |
2392 |
+- rdata->iov[0].iov_len = 4; |
2393 |
+- rdata->iov[1].iov_base = buf + 4; |
2394 |
+- rdata->iov[1].iov_len = server->total_read - 4; |
2395 |
+- cifs_dbg(FYI, "0: iov_base=%p iov_len=%u\n", |
2396 |
+- rdata->iov[0].iov_base, server->total_read); |
2397 |
+- |
2398 |
+ /* how much data is in the response? */ |
2399 |
+ #ifdef CONFIG_CIFS_SMB_DIRECT |
2400 |
+ use_rdma_mr = rdata->mr; |
2401 |
+diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c |
2402 |
+index 52d71b64c0c6..d0bba175117c 100644 |
2403 |
+--- a/fs/cifs/connect.c |
2404 |
++++ b/fs/cifs/connect.c |
2405 |
+@@ -533,6 +533,21 @@ server_unresponsive(struct TCP_Server_Info *server) |
2406 |
+ return false; |
2407 |
+ } |
2408 |
+ |
2409 |
++static inline bool |
2410 |
++zero_credits(struct TCP_Server_Info *server) |
2411 |
++{ |
2412 |
++ int val; |
2413 |
++ |
2414 |
++ spin_lock(&server->req_lock); |
2415 |
++ val = server->credits + server->echo_credits + server->oplock_credits; |
2416 |
++ if (server->in_flight == 0 && val == 0) { |
2417 |
++ spin_unlock(&server->req_lock); |
2418 |
++ return true; |
2419 |
++ } |
2420 |
++ spin_unlock(&server->req_lock); |
2421 |
++ return false; |
2422 |
++} |
2423 |
++ |
2424 |
+ static int |
2425 |
+ cifs_readv_from_socket(struct TCP_Server_Info *server, struct msghdr *smb_msg) |
2426 |
+ { |
2427 |
+@@ -545,6 +560,12 @@ cifs_readv_from_socket(struct TCP_Server_Info *server, struct msghdr *smb_msg) |
2428 |
+ for (total_read = 0; msg_data_left(smb_msg); total_read += length) { |
2429 |
+ try_to_freeze(); |
2430 |
+ |
2431 |
++ /* reconnect if no credits and no requests in flight */ |
2432 |
++ if (zero_credits(server)) { |
2433 |
++ cifs_reconnect(server); |
2434 |
++ return -ECONNABORTED; |
2435 |
++ } |
2436 |
++ |
2437 |
+ if (server_unresponsive(server)) |
2438 |
+ return -ECONNABORTED; |
2439 |
+ if (cifs_rdma_enabled(server) && server->smbd_conn) |
2440 |
+diff --git a/fs/cifs/smb2misc.c b/fs/cifs/smb2misc.c |
2441 |
+index 6a9c47541c53..7b8b58fb4d3f 100644 |
2442 |
+--- a/fs/cifs/smb2misc.c |
2443 |
++++ b/fs/cifs/smb2misc.c |
2444 |
+@@ -648,6 +648,13 @@ smb2_is_valid_oplock_break(char *buffer, struct TCP_Server_Info *server) |
2445 |
+ if (rsp->sync_hdr.Command != SMB2_OPLOCK_BREAK) |
2446 |
+ return false; |
2447 |
+ |
2448 |
++ if (rsp->sync_hdr.CreditRequest) { |
2449 |
++ spin_lock(&server->req_lock); |
2450 |
++ server->credits += le16_to_cpu(rsp->sync_hdr.CreditRequest); |
2451 |
++ spin_unlock(&server->req_lock); |
2452 |
++ wake_up(&server->request_q); |
2453 |
++ } |
2454 |
++ |
2455 |
+ if (rsp->StructureSize != |
2456 |
+ smb2_rsp_struct_sizes[SMB2_OPLOCK_BREAK_HE]) { |
2457 |
+ if (le16_to_cpu(rsp->StructureSize) == 44) |
2458 |
+diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c |
2459 |
+index f44bb4a304e9..237d7281ada3 100644 |
2460 |
+--- a/fs/cifs/smb2ops.c |
2461 |
++++ b/fs/cifs/smb2ops.c |
2462 |
+@@ -34,6 +34,7 @@ |
2463 |
+ #include "cifs_ioctl.h" |
2464 |
+ #include "smbdirect.h" |
2465 |
+ |
2466 |
++/* Change credits for different ops and return the total number of credits */ |
2467 |
+ static int |
2468 |
+ change_conf(struct TCP_Server_Info *server) |
2469 |
+ { |
2470 |
+@@ -41,17 +42,15 @@ change_conf(struct TCP_Server_Info *server) |
2471 |
+ server->oplock_credits = server->echo_credits = 0; |
2472 |
+ switch (server->credits) { |
2473 |
+ case 0: |
2474 |
+- return -1; |
2475 |
++ return 0; |
2476 |
+ case 1: |
2477 |
+ server->echoes = false; |
2478 |
+ server->oplocks = false; |
2479 |
+- cifs_dbg(VFS, "disabling echoes and oplocks\n"); |
2480 |
+ break; |
2481 |
+ case 2: |
2482 |
+ server->echoes = true; |
2483 |
+ server->oplocks = false; |
2484 |
+ server->echo_credits = 1; |
2485 |
+- cifs_dbg(FYI, "disabling oplocks\n"); |
2486 |
+ break; |
2487 |
+ default: |
2488 |
+ server->echoes = true; |
2489 |
+@@ -64,14 +63,15 @@ change_conf(struct TCP_Server_Info *server) |
2490 |
+ server->echo_credits = 1; |
2491 |
+ } |
2492 |
+ server->credits -= server->echo_credits + server->oplock_credits; |
2493 |
+- return 0; |
2494 |
++ return server->credits + server->echo_credits + server->oplock_credits; |
2495 |
+ } |
2496 |
+ |
2497 |
+ static void |
2498 |
+ smb2_add_credits(struct TCP_Server_Info *server, const unsigned int add, |
2499 |
+ const int optype) |
2500 |
+ { |
2501 |
+- int *val, rc = 0; |
2502 |
++ int *val, rc = -1; |
2503 |
++ |
2504 |
+ spin_lock(&server->req_lock); |
2505 |
+ val = server->ops->get_credits_field(server, optype); |
2506 |
+ *val += add; |
2507 |
+@@ -95,8 +95,26 @@ smb2_add_credits(struct TCP_Server_Info *server, const unsigned int add, |
2508 |
+ } |
2509 |
+ spin_unlock(&server->req_lock); |
2510 |
+ wake_up(&server->request_q); |
2511 |
+- if (rc) |
2512 |
+- cifs_reconnect(server); |
2513 |
++ |
2514 |
++ if (server->tcpStatus == CifsNeedReconnect) |
2515 |
++ return; |
2516 |
++ |
2517 |
++ switch (rc) { |
2518 |
++ case -1: |
2519 |
++ /* change_conf hasn't been executed */ |
2520 |
++ break; |
2521 |
++ case 0: |
2522 |
++ cifs_dbg(VFS, "Possible client or server bug - zero credits\n"); |
2523 |
++ break; |
2524 |
++ case 1: |
2525 |
++ cifs_dbg(VFS, "disabling echoes and oplocks\n"); |
2526 |
++ break; |
2527 |
++ case 2: |
2528 |
++ cifs_dbg(FYI, "disabling oplocks\n"); |
2529 |
++ break; |
2530 |
++ default: |
2531 |
++ cifs_dbg(FYI, "add %u credits total=%d\n", add, rc); |
2532 |
++ } |
2533 |
+ } |
2534 |
+ |
2535 |
+ static void |
2536 |
+@@ -154,14 +172,14 @@ smb2_wait_mtu_credits(struct TCP_Server_Info *server, unsigned int size, |
2537 |
+ |
2538 |
+ scredits = server->credits; |
2539 |
+ /* can deadlock with reopen */ |
2540 |
+- if (scredits == 1) { |
2541 |
++ if (scredits <= 8) { |
2542 |
+ *num = SMB2_MAX_BUFFER_SIZE; |
2543 |
+ *credits = 0; |
2544 |
+ break; |
2545 |
+ } |
2546 |
+ |
2547 |
+- /* leave one credit for a possible reopen */ |
2548 |
+- scredits--; |
2549 |
++ /* leave some credits for reopen and other ops */ |
2550 |
++ scredits -= 8; |
2551 |
+ *num = min_t(unsigned int, size, |
2552 |
+ scredits * SMB2_MAX_BUFFER_SIZE); |
2553 |
+ |
2554 |
+@@ -2901,11 +2919,23 @@ handle_read_data(struct TCP_Server_Info *server, struct mid_q_entry *mid, |
2555 |
+ server->ops->is_status_pending(buf, server, 0)) |
2556 |
+ return -1; |
2557 |
+ |
2558 |
+- rdata->result = server->ops->map_error(buf, false); |
2559 |
++ /* set up first two iov to get credits */ |
2560 |
++ rdata->iov[0].iov_base = buf; |
2561 |
++ rdata->iov[0].iov_len = 4; |
2562 |
++ rdata->iov[1].iov_base = buf + 4; |
2563 |
++ rdata->iov[1].iov_len = |
2564 |
++ min_t(unsigned int, buf_len, server->vals->read_rsp_size) - 4; |
2565 |
++ cifs_dbg(FYI, "0: iov_base=%p iov_len=%zu\n", |
2566 |
++ rdata->iov[0].iov_base, rdata->iov[0].iov_len); |
2567 |
++ cifs_dbg(FYI, "1: iov_base=%p iov_len=%zu\n", |
2568 |
++ rdata->iov[1].iov_base, rdata->iov[1].iov_len); |
2569 |
++ |
2570 |
++ rdata->result = server->ops->map_error(buf, true); |
2571 |
+ if (rdata->result != 0) { |
2572 |
+ cifs_dbg(FYI, "%s: server returned error %d\n", |
2573 |
+ __func__, rdata->result); |
2574 |
+- dequeue_mid(mid, rdata->result); |
2575 |
++ /* normal error on read response */ |
2576 |
++ dequeue_mid(mid, false); |
2577 |
+ return 0; |
2578 |
+ } |
2579 |
+ |
2580 |
+@@ -2978,14 +3008,6 @@ handle_read_data(struct TCP_Server_Info *server, struct mid_q_entry *mid, |
2581 |
+ return 0; |
2582 |
+ } |
2583 |
+ |
2584 |
+- /* set up first iov for signature check */ |
2585 |
+- rdata->iov[0].iov_base = buf; |
2586 |
+- rdata->iov[0].iov_len = 4; |
2587 |
+- rdata->iov[1].iov_base = buf + 4; |
2588 |
+- rdata->iov[1].iov_len = server->vals->read_rsp_size - 4; |
2589 |
+- cifs_dbg(FYI, "0: iov_base=%p iov_len=%zu\n", |
2590 |
+- rdata->iov[0].iov_base, server->vals->read_rsp_size); |
2591 |
+- |
2592 |
+ length = rdata->copy_into_pages(server, rdata, &iter); |
2593 |
+ |
2594 |
+ kfree(bvec); |
2595 |
+diff --git a/fs/notify/inotify/inotify_user.c b/fs/notify/inotify/inotify_user.c |
2596 |
+index ac6978d3208c..780bba695453 100644 |
2597 |
+--- a/fs/notify/inotify/inotify_user.c |
2598 |
++++ b/fs/notify/inotify/inotify_user.c |
2599 |
+@@ -724,8 +724,10 @@ SYSCALL_DEFINE3(inotify_add_watch, int, fd, const char __user *, pathname, |
2600 |
+ return -EBADF; |
2601 |
+ |
2602 |
+ /* IN_MASK_ADD and IN_MASK_CREATE don't make sense together */ |
2603 |
+- if (unlikely((mask & IN_MASK_ADD) && (mask & IN_MASK_CREATE))) |
2604 |
+- return -EINVAL; |
2605 |
++ if (unlikely((mask & IN_MASK_ADD) && (mask & IN_MASK_CREATE))) { |
2606 |
++ ret = -EINVAL; |
2607 |
++ goto fput_and_out; |
2608 |
++ } |
2609 |
+ |
2610 |
+ /* verify that this is indeed an inotify instance */ |
2611 |
+ if (unlikely(f.file->f_op != &inotify_fops)) { |
2612 |
+diff --git a/include/linux/bpf_verifier.h b/include/linux/bpf_verifier.h |
2613 |
+index 1fd6fa822d2c..91393724e933 100644 |
2614 |
+--- a/include/linux/bpf_verifier.h |
2615 |
++++ b/include/linux/bpf_verifier.h |
2616 |
+@@ -134,6 +134,7 @@ struct bpf_verifier_state { |
2617 |
+ struct bpf_func_state *frame[MAX_CALL_FRAMES]; |
2618 |
+ struct bpf_verifier_state *parent; |
2619 |
+ u32 curframe; |
2620 |
++ bool speculative; |
2621 |
+ }; |
2622 |
+ |
2623 |
+ /* linked list of verifier states used to prune search */ |
2624 |
+@@ -142,15 +143,25 @@ struct bpf_verifier_state_list { |
2625 |
+ struct bpf_verifier_state_list *next; |
2626 |
+ }; |
2627 |
+ |
2628 |
++/* Possible states for alu_state member. */ |
2629 |
++#define BPF_ALU_SANITIZE_SRC 1U |
2630 |
++#define BPF_ALU_SANITIZE_DST 2U |
2631 |
++#define BPF_ALU_NEG_VALUE (1U << 2) |
2632 |
++#define BPF_ALU_NON_POINTER (1U << 3) |
2633 |
++#define BPF_ALU_SANITIZE (BPF_ALU_SANITIZE_SRC | \ |
2634 |
++ BPF_ALU_SANITIZE_DST) |
2635 |
++ |
2636 |
+ struct bpf_insn_aux_data { |
2637 |
+ union { |
2638 |
+ enum bpf_reg_type ptr_type; /* pointer type for load/store insns */ |
2639 |
+ unsigned long map_state; /* pointer/poison value for maps */ |
2640 |
+ s32 call_imm; /* saved imm field of call insn */ |
2641 |
++ u32 alu_limit; /* limit for add/sub register with pointer */ |
2642 |
+ }; |
2643 |
+ int ctx_field_size; /* the ctx field size for load insn, maybe 0 */ |
2644 |
+ int sanitize_stack_off; /* stack slot to be cleared */ |
2645 |
+ bool seen; /* this insn was processed by the verifier */ |
2646 |
++ u8 alu_state; /* used in combination with alu_limit */ |
2647 |
+ }; |
2648 |
+ |
2649 |
+ #define MAX_USED_MAPS 64 /* max number of maps accessed by one eBPF program */ |
2650 |
+@@ -186,6 +197,8 @@ struct bpf_subprog_info { |
2651 |
+ * one verifier_env per bpf_check() call |
2652 |
+ */ |
2653 |
+ struct bpf_verifier_env { |
2654 |
++ u32 insn_idx; |
2655 |
++ u32 prev_insn_idx; |
2656 |
+ struct bpf_prog *prog; /* eBPF program being verified */ |
2657 |
+ const struct bpf_verifier_ops *ops; |
2658 |
+ struct bpf_verifier_stack_elem *head; /* stack of verifier states to be processed */ |
2659 |
+diff --git a/include/linux/filter.h b/include/linux/filter.h |
2660 |
+index ec90d5255cf7..1a39d57eb88f 100644 |
2661 |
+--- a/include/linux/filter.h |
2662 |
++++ b/include/linux/filter.h |
2663 |
+@@ -53,14 +53,10 @@ struct sock_reuseport; |
2664 |
+ #define BPF_REG_D BPF_REG_8 /* data, callee-saved */ |
2665 |
+ #define BPF_REG_H BPF_REG_9 /* hlen, callee-saved */ |
2666 |
+ |
2667 |
+-/* Kernel hidden auxiliary/helper register for hardening step. |
2668 |
+- * Only used by eBPF JITs. It's nothing more than a temporary |
2669 |
+- * register that JITs use internally, only that here it's part |
2670 |
+- * of eBPF instructions that have been rewritten for blinding |
2671 |
+- * constants. See JIT pre-step in bpf_jit_blind_constants(). |
2672 |
+- */ |
2673 |
++/* Kernel hidden auxiliary/helper register. */ |
2674 |
+ #define BPF_REG_AX MAX_BPF_REG |
2675 |
+-#define MAX_BPF_JIT_REG (MAX_BPF_REG + 1) |
2676 |
++#define MAX_BPF_EXT_REG (MAX_BPF_REG + 1) |
2677 |
++#define MAX_BPF_JIT_REG MAX_BPF_EXT_REG |
2678 |
+ |
2679 |
+ /* unused opcode to mark special call to bpf_tail_call() helper */ |
2680 |
+ #define BPF_TAIL_CALL 0xf0 |
2681 |
+diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h |
2682 |
+index 5185a16b19ba..bbde887ed393 100644 |
2683 |
+--- a/include/linux/hyperv.h |
2684 |
++++ b/include/linux/hyperv.h |
2685 |
+@@ -1166,8 +1166,9 @@ struct hv_ring_buffer_debug_info { |
2686 |
+ u32 bytes_avail_towrite; |
2687 |
+ }; |
2688 |
+ |
2689 |
+-void hv_ringbuffer_get_debuginfo(const struct hv_ring_buffer_info *ring_info, |
2690 |
+- struct hv_ring_buffer_debug_info *debug_info); |
2691 |
++ |
2692 |
++int hv_ringbuffer_get_debuginfo(const struct hv_ring_buffer_info *ring_info, |
2693 |
++ struct hv_ring_buffer_debug_info *debug_info); |
2694 |
+ |
2695 |
+ /* Vmbus interface */ |
2696 |
+ #define vmbus_driver_register(driver) \ |
2697 |
+diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h |
2698 |
+index 60a2e7646985..5d69e208e8d9 100644 |
2699 |
+--- a/include/linux/skbuff.h |
2700 |
++++ b/include/linux/skbuff.h |
2701 |
+@@ -3178,6 +3178,7 @@ int pskb_trim_rcsum_slow(struct sk_buff *skb, unsigned int len); |
2702 |
+ * |
2703 |
+ * This is exactly the same as pskb_trim except that it ensures the |
2704 |
+ * checksum of received packets are still valid after the operation. |
2705 |
++ * It can change skb pointers. |
2706 |
+ */ |
2707 |
+ |
2708 |
+ static inline int pskb_trim_rcsum(struct sk_buff *skb, unsigned int len) |
2709 |
+diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h |
2710 |
+index c9b7b136939d..95eed32d8c6b 100644 |
2711 |
+--- a/include/net/ip_fib.h |
2712 |
++++ b/include/net/ip_fib.h |
2713 |
+@@ -230,7 +230,7 @@ int fib_table_delete(struct net *, struct fib_table *, struct fib_config *, |
2714 |
+ struct netlink_ext_ack *extack); |
2715 |
+ int fib_table_dump(struct fib_table *table, struct sk_buff *skb, |
2716 |
+ struct netlink_callback *cb); |
2717 |
+-int fib_table_flush(struct net *net, struct fib_table *table); |
2718 |
++int fib_table_flush(struct net *net, struct fib_table *table, bool flush_all); |
2719 |
+ struct fib_table *fib_trie_unmerge(struct fib_table *main_tb); |
2720 |
+ void fib_table_flush_external(struct fib_table *table); |
2721 |
+ void fib_free_table(struct fib_table *tb); |
2722 |
+diff --git a/include/uapi/linux/input.h b/include/uapi/linux/input.h |
2723 |
+index fb78f6f500f3..f056b2a00d5c 100644 |
2724 |
+--- a/include/uapi/linux/input.h |
2725 |
++++ b/include/uapi/linux/input.h |
2726 |
+@@ -26,13 +26,17 @@ |
2727 |
+ */ |
2728 |
+ |
2729 |
+ struct input_event { |
2730 |
+-#if (__BITS_PER_LONG != 32 || !defined(__USE_TIME_BITS64)) && !defined(__KERNEL) |
2731 |
++#if (__BITS_PER_LONG != 32 || !defined(__USE_TIME_BITS64)) && !defined(__KERNEL__) |
2732 |
+ struct timeval time; |
2733 |
+ #define input_event_sec time.tv_sec |
2734 |
+ #define input_event_usec time.tv_usec |
2735 |
+ #else |
2736 |
+ __kernel_ulong_t __sec; |
2737 |
++#if defined(__sparc__) && defined(__arch64__) |
2738 |
++ unsigned int __usec; |
2739 |
++#else |
2740 |
+ __kernel_ulong_t __usec; |
2741 |
++#endif |
2742 |
+ #define input_event_sec __sec |
2743 |
+ #define input_event_usec __usec |
2744 |
+ #endif |
2745 |
+diff --git a/kernel/bpf/core.c b/kernel/bpf/core.c |
2746 |
+index 3f5bf1af0826..474525e3a9db 100644 |
2747 |
+--- a/kernel/bpf/core.c |
2748 |
++++ b/kernel/bpf/core.c |
2749 |
+@@ -52,6 +52,7 @@ |
2750 |
+ #define DST regs[insn->dst_reg] |
2751 |
+ #define SRC regs[insn->src_reg] |
2752 |
+ #define FP regs[BPF_REG_FP] |
2753 |
++#define AX regs[BPF_REG_AX] |
2754 |
+ #define ARG1 regs[BPF_REG_ARG1] |
2755 |
+ #define CTX regs[BPF_REG_CTX] |
2756 |
+ #define IMM insn->imm |
2757 |
+@@ -642,6 +643,26 @@ static int bpf_jit_blind_insn(const struct bpf_insn *from, |
2758 |
+ BUILD_BUG_ON(BPF_REG_AX + 1 != MAX_BPF_JIT_REG); |
2759 |
+ BUILD_BUG_ON(MAX_BPF_REG + 1 != MAX_BPF_JIT_REG); |
2760 |
+ |
2761 |
++ /* Constraints on AX register: |
2762 |
++ * |
2763 |
++ * AX register is inaccessible from user space. It is mapped in |
2764 |
++ * all JITs, and used here for constant blinding rewrites. It is |
2765 |
++ * typically "stateless" meaning its contents are only valid within |
2766 |
++ * the executed instruction, but not across several instructions. |
2767 |
++ * There are a few exceptions however which are further detailed |
2768 |
++ * below. |
2769 |
++ * |
2770 |
++ * Constant blinding is only used by JITs, not in the interpreter. |
2771 |
++ * The interpreter uses AX in some occasions as a local temporary |
2772 |
++ * register e.g. in DIV or MOD instructions. |
2773 |
++ * |
2774 |
++ * In restricted circumstances, the verifier can also use the AX |
2775 |
++ * register for rewrites as long as they do not interfere with |
2776 |
++ * the above cases! |
2777 |
++ */ |
2778 |
++ if (from->dst_reg == BPF_REG_AX || from->src_reg == BPF_REG_AX) |
2779 |
++ goto out; |
2780 |
++ |
2781 |
+ if (from->imm == 0 && |
2782 |
+ (from->code == (BPF_ALU | BPF_MOV | BPF_K) || |
2783 |
+ from->code == (BPF_ALU64 | BPF_MOV | BPF_K))) { |
2784 |
+@@ -971,7 +992,6 @@ bool bpf_opcode_in_insntable(u8 code) |
2785 |
+ */ |
2786 |
+ static u64 ___bpf_prog_run(u64 *regs, const struct bpf_insn *insn, u64 *stack) |
2787 |
+ { |
2788 |
+- u64 tmp; |
2789 |
+ #define BPF_INSN_2_LBL(x, y) [BPF_##x | BPF_##y] = &&x##_##y |
2790 |
+ #define BPF_INSN_3_LBL(x, y, z) [BPF_##x | BPF_##y | BPF_##z] = &&x##_##y##_##z |
2791 |
+ static const void *jumptable[256] = { |
2792 |
+@@ -1045,36 +1065,36 @@ select_insn: |
2793 |
+ (*(s64 *) &DST) >>= IMM; |
2794 |
+ CONT; |
2795 |
+ ALU64_MOD_X: |
2796 |
+- div64_u64_rem(DST, SRC, &tmp); |
2797 |
+- DST = tmp; |
2798 |
++ div64_u64_rem(DST, SRC, &AX); |
2799 |
++ DST = AX; |
2800 |
+ CONT; |
2801 |
+ ALU_MOD_X: |
2802 |
+- tmp = (u32) DST; |
2803 |
+- DST = do_div(tmp, (u32) SRC); |
2804 |
++ AX = (u32) DST; |
2805 |
++ DST = do_div(AX, (u32) SRC); |
2806 |
+ CONT; |
2807 |
+ ALU64_MOD_K: |
2808 |
+- div64_u64_rem(DST, IMM, &tmp); |
2809 |
+- DST = tmp; |
2810 |
++ div64_u64_rem(DST, IMM, &AX); |
2811 |
++ DST = AX; |
2812 |
+ CONT; |
2813 |
+ ALU_MOD_K: |
2814 |
+- tmp = (u32) DST; |
2815 |
+- DST = do_div(tmp, (u32) IMM); |
2816 |
++ AX = (u32) DST; |
2817 |
++ DST = do_div(AX, (u32) IMM); |
2818 |
+ CONT; |
2819 |
+ ALU64_DIV_X: |
2820 |
+ DST = div64_u64(DST, SRC); |
2821 |
+ CONT; |
2822 |
+ ALU_DIV_X: |
2823 |
+- tmp = (u32) DST; |
2824 |
+- do_div(tmp, (u32) SRC); |
2825 |
+- DST = (u32) tmp; |
2826 |
++ AX = (u32) DST; |
2827 |
++ do_div(AX, (u32) SRC); |
2828 |
++ DST = (u32) AX; |
2829 |
+ CONT; |
2830 |
+ ALU64_DIV_K: |
2831 |
+ DST = div64_u64(DST, IMM); |
2832 |
+ CONT; |
2833 |
+ ALU_DIV_K: |
2834 |
+- tmp = (u32) DST; |
2835 |
+- do_div(tmp, (u32) IMM); |
2836 |
+- DST = (u32) tmp; |
2837 |
++ AX = (u32) DST; |
2838 |
++ do_div(AX, (u32) IMM); |
2839 |
++ DST = (u32) AX; |
2840 |
+ CONT; |
2841 |
+ ALU_END_TO_BE: |
2842 |
+ switch (IMM) { |
2843 |
+@@ -1330,7 +1350,7 @@ STACK_FRAME_NON_STANDARD(___bpf_prog_run); /* jump table */ |
2844 |
+ static unsigned int PROG_NAME(stack_size)(const void *ctx, const struct bpf_insn *insn) \ |
2845 |
+ { \ |
2846 |
+ u64 stack[stack_size / sizeof(u64)]; \ |
2847 |
+- u64 regs[MAX_BPF_REG]; \ |
2848 |
++ u64 regs[MAX_BPF_EXT_REG]; \ |
2849 |
+ \ |
2850 |
+ FP = (u64) (unsigned long) &stack[ARRAY_SIZE(stack)]; \ |
2851 |
+ ARG1 = (u64) (unsigned long) ctx; \ |
2852 |
+@@ -1343,7 +1363,7 @@ static u64 PROG_NAME_ARGS(stack_size)(u64 r1, u64 r2, u64 r3, u64 r4, u64 r5, \ |
2853 |
+ const struct bpf_insn *insn) \ |
2854 |
+ { \ |
2855 |
+ u64 stack[stack_size / sizeof(u64)]; \ |
2856 |
+- u64 regs[MAX_BPF_REG]; \ |
2857 |
++ u64 regs[MAX_BPF_EXT_REG]; \ |
2858 |
+ \ |
2859 |
+ FP = (u64) (unsigned long) &stack[ARRAY_SIZE(stack)]; \ |
2860 |
+ BPF_R1 = r1; \ |
2861 |
+diff --git a/kernel/bpf/map_in_map.c b/kernel/bpf/map_in_map.c |
2862 |
+index 3bfbf4464416..9670ee5ee74e 100644 |
2863 |
+--- a/kernel/bpf/map_in_map.c |
2864 |
++++ b/kernel/bpf/map_in_map.c |
2865 |
+@@ -12,6 +12,7 @@ |
2866 |
+ struct bpf_map *bpf_map_meta_alloc(int inner_map_ufd) |
2867 |
+ { |
2868 |
+ struct bpf_map *inner_map, *inner_map_meta; |
2869 |
++ u32 inner_map_meta_size; |
2870 |
+ struct fd f; |
2871 |
+ |
2872 |
+ f = fdget(inner_map_ufd); |
2873 |
+@@ -35,7 +36,12 @@ struct bpf_map *bpf_map_meta_alloc(int inner_map_ufd) |
2874 |
+ return ERR_PTR(-EINVAL); |
2875 |
+ } |
2876 |
+ |
2877 |
+- inner_map_meta = kzalloc(sizeof(*inner_map_meta), GFP_USER); |
2878 |
++ inner_map_meta_size = sizeof(*inner_map_meta); |
2879 |
++ /* In some cases verifier needs to access beyond just base map. */ |
2880 |
++ if (inner_map->ops == &array_map_ops) |
2881 |
++ inner_map_meta_size = sizeof(struct bpf_array); |
2882 |
++ |
2883 |
++ inner_map_meta = kzalloc(inner_map_meta_size, GFP_USER); |
2884 |
+ if (!inner_map_meta) { |
2885 |
+ fdput(f); |
2886 |
+ return ERR_PTR(-ENOMEM); |
2887 |
+@@ -45,9 +51,16 @@ struct bpf_map *bpf_map_meta_alloc(int inner_map_ufd) |
2888 |
+ inner_map_meta->key_size = inner_map->key_size; |
2889 |
+ inner_map_meta->value_size = inner_map->value_size; |
2890 |
+ inner_map_meta->map_flags = inner_map->map_flags; |
2891 |
+- inner_map_meta->ops = inner_map->ops; |
2892 |
+ inner_map_meta->max_entries = inner_map->max_entries; |
2893 |
+ |
2894 |
++ /* Misc members not needed in bpf_map_meta_equal() check. */ |
2895 |
++ inner_map_meta->ops = inner_map->ops; |
2896 |
++ if (inner_map->ops == &array_map_ops) { |
2897 |
++ inner_map_meta->unpriv_array = inner_map->unpriv_array; |
2898 |
++ container_of(inner_map_meta, struct bpf_array, map)->index_mask = |
2899 |
++ container_of(inner_map, struct bpf_array, map)->index_mask; |
2900 |
++ } |
2901 |
++ |
2902 |
+ fdput(f); |
2903 |
+ return inner_map_meta; |
2904 |
+ } |
2905 |
+diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c |
2906 |
+index 341806668f03..4d81be2d0739 100644 |
2907 |
+--- a/kernel/bpf/verifier.c |
2908 |
++++ b/kernel/bpf/verifier.c |
2909 |
+@@ -156,6 +156,7 @@ struct bpf_verifier_stack_elem { |
2910 |
+ |
2911 |
+ #define BPF_COMPLEXITY_LIMIT_INSNS 131072 |
2912 |
+ #define BPF_COMPLEXITY_LIMIT_STACK 1024 |
2913 |
++#define BPF_COMPLEXITY_LIMIT_STATES 64 |
2914 |
+ |
2915 |
+ #define BPF_MAP_PTR_UNPRIV 1UL |
2916 |
+ #define BPF_MAP_PTR_POISON ((void *)((0xeB9FUL << 1) + \ |
2917 |
+@@ -465,6 +466,7 @@ static int copy_verifier_state(struct bpf_verifier_state *dst_state, |
2918 |
+ free_func_state(dst_state->frame[i]); |
2919 |
+ dst_state->frame[i] = NULL; |
2920 |
+ } |
2921 |
++ dst_state->speculative = src->speculative; |
2922 |
+ dst_state->curframe = src->curframe; |
2923 |
+ dst_state->parent = src->parent; |
2924 |
+ for (i = 0; i <= src->curframe; i++) { |
2925 |
+@@ -510,7 +512,8 @@ static int pop_stack(struct bpf_verifier_env *env, int *prev_insn_idx, |
2926 |
+ } |
2927 |
+ |
2928 |
+ static struct bpf_verifier_state *push_stack(struct bpf_verifier_env *env, |
2929 |
+- int insn_idx, int prev_insn_idx) |
2930 |
++ int insn_idx, int prev_insn_idx, |
2931 |
++ bool speculative) |
2932 |
+ { |
2933 |
+ struct bpf_verifier_state *cur = env->cur_state; |
2934 |
+ struct bpf_verifier_stack_elem *elem; |
2935 |
+@@ -528,6 +531,7 @@ static struct bpf_verifier_state *push_stack(struct bpf_verifier_env *env, |
2936 |
+ err = copy_verifier_state(&elem->st, cur); |
2937 |
+ if (err) |
2938 |
+ goto err; |
2939 |
++ elem->st.speculative |= speculative; |
2940 |
+ if (env->stack_size > BPF_COMPLEXITY_LIMIT_STACK) { |
2941 |
+ verbose(env, "BPF program is too complex\n"); |
2942 |
+ goto err; |
2943 |
+@@ -1237,6 +1241,31 @@ static int check_stack_read(struct bpf_verifier_env *env, |
2944 |
+ } |
2945 |
+ } |
2946 |
+ |
2947 |
++static int check_stack_access(struct bpf_verifier_env *env, |
2948 |
++ const struct bpf_reg_state *reg, |
2949 |
++ int off, int size) |
2950 |
++{ |
2951 |
++ /* Stack accesses must be at a fixed offset, so that we |
2952 |
++ * can determine what type of data were returned. See |
2953 |
++ * check_stack_read(). |
2954 |
++ */ |
2955 |
++ if (!tnum_is_const(reg->var_off)) { |
2956 |
++ char tn_buf[48]; |
2957 |
++ |
2958 |
++ tnum_strn(tn_buf, sizeof(tn_buf), reg->var_off); |
2959 |
++ verbose(env, "variable stack access var_off=%s off=%d size=%d", |
2960 |
++ tn_buf, off, size); |
2961 |
++ return -EACCES; |
2962 |
++ } |
2963 |
++ |
2964 |
++ if (off >= 0 || off < -MAX_BPF_STACK) { |
2965 |
++ verbose(env, "invalid stack off=%d size=%d\n", off, size); |
2966 |
++ return -EACCES; |
2967 |
++ } |
2968 |
++ |
2969 |
++ return 0; |
2970 |
++} |
2971 |
++ |
2972 |
+ /* check read/write into map element returned by bpf_map_lookup_elem() */ |
2973 |
+ static int __check_map_access(struct bpf_verifier_env *env, u32 regno, int off, |
2974 |
+ int size, bool zero_size_allowed) |
2975 |
+@@ -1268,13 +1297,17 @@ static int check_map_access(struct bpf_verifier_env *env, u32 regno, |
2976 |
+ */ |
2977 |
+ if (env->log.level) |
2978 |
+ print_verifier_state(env, state); |
2979 |
++ |
2980 |
+ /* The minimum value is only important with signed |
2981 |
+ * comparisons where we can't assume the floor of a |
2982 |
+ * value is 0. If we are using signed variables for our |
2983 |
+ * index'es we need to make sure that whatever we use |
2984 |
+ * will have a set floor within our range. |
2985 |
+ */ |
2986 |
+- if (reg->smin_value < 0) { |
2987 |
++ if (reg->smin_value < 0 && |
2988 |
++ (reg->smin_value == S64_MIN || |
2989 |
++ (off + reg->smin_value != (s64)(s32)(off + reg->smin_value)) || |
2990 |
++ reg->smin_value + off < 0)) { |
2991 |
+ verbose(env, "R%d min value is negative, either use unsigned index or do a if (index >=0) check.\n", |
2992 |
+ regno); |
2993 |
+ return -EACCES; |
2994 |
+@@ -1735,24 +1768,10 @@ static int check_mem_access(struct bpf_verifier_env *env, int insn_idx, u32 regn |
2995 |
+ } |
2996 |
+ |
2997 |
+ } else if (reg->type == PTR_TO_STACK) { |
2998 |
+- /* stack accesses must be at a fixed offset, so that we can |
2999 |
+- * determine what type of data were returned. |
3000 |
+- * See check_stack_read(). |
3001 |
+- */ |
3002 |
+- if (!tnum_is_const(reg->var_off)) { |
3003 |
+- char tn_buf[48]; |
3004 |
+- |
3005 |
+- tnum_strn(tn_buf, sizeof(tn_buf), reg->var_off); |
3006 |
+- verbose(env, "variable stack access var_off=%s off=%d size=%d", |
3007 |
+- tn_buf, off, size); |
3008 |
+- return -EACCES; |
3009 |
+- } |
3010 |
+ off += reg->var_off.value; |
3011 |
+- if (off >= 0 || off < -MAX_BPF_STACK) { |
3012 |
+- verbose(env, "invalid stack off=%d size=%d\n", off, |
3013 |
+- size); |
3014 |
+- return -EACCES; |
3015 |
+- } |
3016 |
++ err = check_stack_access(env, reg, off, size); |
3017 |
++ if (err) |
3018 |
++ return err; |
3019 |
+ |
3020 |
+ state = func(env, reg); |
3021 |
+ err = update_stack_depth(env, state, off); |
3022 |
+@@ -2682,6 +2701,125 @@ static bool check_reg_sane_offset(struct bpf_verifier_env *env, |
3023 |
+ return true; |
3024 |
+ } |
3025 |
+ |
3026 |
++static struct bpf_insn_aux_data *cur_aux(struct bpf_verifier_env *env) |
3027 |
++{ |
3028 |
++ return &env->insn_aux_data[env->insn_idx]; |
3029 |
++} |
3030 |
++ |
3031 |
++static int retrieve_ptr_limit(const struct bpf_reg_state *ptr_reg, |
3032 |
++ u32 *ptr_limit, u8 opcode, bool off_is_neg) |
3033 |
++{ |
3034 |
++ bool mask_to_left = (opcode == BPF_ADD && off_is_neg) || |
3035 |
++ (opcode == BPF_SUB && !off_is_neg); |
3036 |
++ u32 off; |
3037 |
++ |
3038 |
++ switch (ptr_reg->type) { |
3039 |
++ case PTR_TO_STACK: |
3040 |
++ off = ptr_reg->off + ptr_reg->var_off.value; |
3041 |
++ if (mask_to_left) |
3042 |
++ *ptr_limit = MAX_BPF_STACK + off; |
3043 |
++ else |
3044 |
++ *ptr_limit = -off; |
3045 |
++ return 0; |
3046 |
++ case PTR_TO_MAP_VALUE: |
3047 |
++ if (mask_to_left) { |
3048 |
++ *ptr_limit = ptr_reg->umax_value + ptr_reg->off; |
3049 |
++ } else { |
3050 |
++ off = ptr_reg->smin_value + ptr_reg->off; |
3051 |
++ *ptr_limit = ptr_reg->map_ptr->value_size - off; |
3052 |
++ } |
3053 |
++ return 0; |
3054 |
++ default: |
3055 |
++ return -EINVAL; |
3056 |
++ } |
3057 |
++} |
3058 |
++ |
3059 |
++static bool can_skip_alu_sanitation(const struct bpf_verifier_env *env, |
3060 |
++ const struct bpf_insn *insn) |
3061 |
++{ |
3062 |
++ return env->allow_ptr_leaks || BPF_SRC(insn->code) == BPF_K; |
3063 |
++} |
3064 |
++ |
3065 |
++static int update_alu_sanitation_state(struct bpf_insn_aux_data *aux, |
3066 |
++ u32 alu_state, u32 alu_limit) |
3067 |
++{ |
3068 |
++ /* If we arrived here from different branches with different |
3069 |
++ * state or limits to sanitize, then this won't work. |
3070 |
++ */ |
3071 |
++ if (aux->alu_state && |
3072 |
++ (aux->alu_state != alu_state || |
3073 |
++ aux->alu_limit != alu_limit)) |
3074 |
++ return -EACCES; |
3075 |
++ |
3076 |
++ /* Corresponding fixup done in fixup_bpf_calls(). */ |
3077 |
++ aux->alu_state = alu_state; |
3078 |
++ aux->alu_limit = alu_limit; |
3079 |
++ return 0; |
3080 |
++} |
3081 |
++ |
3082 |
++static int sanitize_val_alu(struct bpf_verifier_env *env, |
3083 |
++ struct bpf_insn *insn) |
3084 |
++{ |
3085 |
++ struct bpf_insn_aux_data *aux = cur_aux(env); |
3086 |
++ |
3087 |
++ if (can_skip_alu_sanitation(env, insn)) |
3088 |
++ return 0; |
3089 |
++ |
3090 |
++ return update_alu_sanitation_state(aux, BPF_ALU_NON_POINTER, 0); |
3091 |
++} |
3092 |
++ |
3093 |
++static int sanitize_ptr_alu(struct bpf_verifier_env *env, |
3094 |
++ struct bpf_insn *insn, |
3095 |
++ const struct bpf_reg_state *ptr_reg, |
3096 |
++ struct bpf_reg_state *dst_reg, |
3097 |
++ bool off_is_neg) |
3098 |
++{ |
3099 |
++ struct bpf_verifier_state *vstate = env->cur_state; |
3100 |
++ struct bpf_insn_aux_data *aux = cur_aux(env); |
3101 |
++ bool ptr_is_dst_reg = ptr_reg == dst_reg; |
3102 |
++ u8 opcode = BPF_OP(insn->code); |
3103 |
++ u32 alu_state, alu_limit; |
3104 |
++ struct bpf_reg_state tmp; |
3105 |
++ bool ret; |
3106 |
++ |
3107 |
++ if (can_skip_alu_sanitation(env, insn)) |
3108 |
++ return 0; |
3109 |
++ |
3110 |
++ /* We already marked aux for masking from non-speculative |
3111 |
++ * paths, thus we got here in the first place. We only care |
3112 |
++ * to explore bad access from here. |
3113 |
++ */ |
3114 |
++ if (vstate->speculative) |
3115 |
++ goto do_sim; |
3116 |
++ |
3117 |
++ alu_state = off_is_neg ? BPF_ALU_NEG_VALUE : 0; |
3118 |
++ alu_state |= ptr_is_dst_reg ? |
3119 |
++ BPF_ALU_SANITIZE_SRC : BPF_ALU_SANITIZE_DST; |
3120 |
++ |
3121 |
++ if (retrieve_ptr_limit(ptr_reg, &alu_limit, opcode, off_is_neg)) |
3122 |
++ return 0; |
3123 |
++ if (update_alu_sanitation_state(aux, alu_state, alu_limit)) |
3124 |
++ return -EACCES; |
3125 |
++do_sim: |
3126 |
++ /* Simulate and find potential out-of-bounds access under |
3127 |
++ * speculative execution from truncation as a result of |
3128 |
++ * masking when off was not within expected range. If off |
3129 |
++ * sits in dst, then we temporarily need to move ptr there |
3130 |
++ * to simulate dst (== 0) +/-= ptr. Needed, for example, |
3131 |
++ * for cases where we use K-based arithmetic in one direction |
3132 |
++ * and truncated reg-based in the other in order to explore |
3133 |
++ * bad access. |
3134 |
++ */ |
3135 |
++ if (!ptr_is_dst_reg) { |
3136 |
++ tmp = *dst_reg; |
3137 |
++ *dst_reg = *ptr_reg; |
3138 |
++ } |
3139 |
++ ret = push_stack(env, env->insn_idx + 1, env->insn_idx, true); |
3140 |
++ if (!ptr_is_dst_reg) |
3141 |
++ *dst_reg = tmp; |
3142 |
++ return !ret ? -EFAULT : 0; |
3143 |
++} |
3144 |
++ |
3145 |
+ /* Handles arithmetic on a pointer and a scalar: computes new min/max and var_off. |
3146 |
+ * Caller should also handle BPF_MOV case separately. |
3147 |
+ * If we return -EACCES, caller may want to try again treating pointer as a |
3148 |
+@@ -2700,8 +2838,9 @@ static int adjust_ptr_min_max_vals(struct bpf_verifier_env *env, |
3149 |
+ smin_ptr = ptr_reg->smin_value, smax_ptr = ptr_reg->smax_value; |
3150 |
+ u64 umin_val = off_reg->umin_value, umax_val = off_reg->umax_value, |
3151 |
+ umin_ptr = ptr_reg->umin_value, umax_ptr = ptr_reg->umax_value; |
3152 |
++ u32 dst = insn->dst_reg, src = insn->src_reg; |
3153 |
+ u8 opcode = BPF_OP(insn->code); |
3154 |
+- u32 dst = insn->dst_reg; |
3155 |
++ int ret; |
3156 |
+ |
3157 |
+ dst_reg = ®s[dst]; |
3158 |
+ |
3159 |
+@@ -2737,6 +2876,12 @@ static int adjust_ptr_min_max_vals(struct bpf_verifier_env *env, |
3160 |
+ dst); |
3161 |
+ return -EACCES; |
3162 |
+ } |
3163 |
++ if (ptr_reg->type == PTR_TO_MAP_VALUE && |
3164 |
++ !env->allow_ptr_leaks && !known && (smin_val < 0) != (smax_val < 0)) { |
3165 |
++ verbose(env, "R%d has unknown scalar with mixed signed bounds, pointer arithmetic with it prohibited for !root\n", |
3166 |
++ off_reg == dst_reg ? dst : src); |
3167 |
++ return -EACCES; |
3168 |
++ } |
3169 |
+ |
3170 |
+ /* In case of 'scalar += pointer', dst_reg inherits pointer type and id. |
3171 |
+ * The id may be overwritten later if we create a new variable offset. |
3172 |
+@@ -2750,6 +2895,11 @@ static int adjust_ptr_min_max_vals(struct bpf_verifier_env *env, |
3173 |
+ |
3174 |
+ switch (opcode) { |
3175 |
+ case BPF_ADD: |
3176 |
++ ret = sanitize_ptr_alu(env, insn, ptr_reg, dst_reg, smin_val < 0); |
3177 |
++ if (ret < 0) { |
3178 |
++ verbose(env, "R%d tried to add from different maps or paths\n", dst); |
3179 |
++ return ret; |
3180 |
++ } |
3181 |
+ /* We can take a fixed offset as long as it doesn't overflow |
3182 |
+ * the s32 'off' field |
3183 |
+ */ |
3184 |
+@@ -2800,6 +2950,11 @@ static int adjust_ptr_min_max_vals(struct bpf_verifier_env *env, |
3185 |
+ } |
3186 |
+ break; |
3187 |
+ case BPF_SUB: |
3188 |
++ ret = sanitize_ptr_alu(env, insn, ptr_reg, dst_reg, smin_val < 0); |
3189 |
++ if (ret < 0) { |
3190 |
++ verbose(env, "R%d tried to sub from different maps or paths\n", dst); |
3191 |
++ return ret; |
3192 |
++ } |
3193 |
+ if (dst_reg == off_reg) { |
3194 |
+ /* scalar -= pointer. Creates an unknown scalar */ |
3195 |
+ verbose(env, "R%d tried to subtract pointer from scalar\n", |
3196 |
+@@ -2879,6 +3034,25 @@ static int adjust_ptr_min_max_vals(struct bpf_verifier_env *env, |
3197 |
+ __update_reg_bounds(dst_reg); |
3198 |
+ __reg_deduce_bounds(dst_reg); |
3199 |
+ __reg_bound_offset(dst_reg); |
3200 |
++ |
3201 |
++ /* For unprivileged we require that resulting offset must be in bounds |
3202 |
++ * in order to be able to sanitize access later on. |
3203 |
++ */ |
3204 |
++ if (!env->allow_ptr_leaks) { |
3205 |
++ if (dst_reg->type == PTR_TO_MAP_VALUE && |
3206 |
++ check_map_access(env, dst, dst_reg->off, 1, false)) { |
3207 |
++ verbose(env, "R%d pointer arithmetic of map value goes out of range, " |
3208 |
++ "prohibited for !root\n", dst); |
3209 |
++ return -EACCES; |
3210 |
++ } else if (dst_reg->type == PTR_TO_STACK && |
3211 |
++ check_stack_access(env, dst_reg, dst_reg->off + |
3212 |
++ dst_reg->var_off.value, 1)) { |
3213 |
++ verbose(env, "R%d stack pointer arithmetic goes out of range, " |
3214 |
++ "prohibited for !root\n", dst); |
3215 |
++ return -EACCES; |
3216 |
++ } |
3217 |
++ } |
3218 |
++ |
3219 |
+ return 0; |
3220 |
+ } |
3221 |
+ |
3222 |
+@@ -2897,6 +3071,8 @@ static int adjust_scalar_min_max_vals(struct bpf_verifier_env *env, |
3223 |
+ s64 smin_val, smax_val; |
3224 |
+ u64 umin_val, umax_val; |
3225 |
+ u64 insn_bitness = (BPF_CLASS(insn->code) == BPF_ALU64) ? 64 : 32; |
3226 |
++ u32 dst = insn->dst_reg; |
3227 |
++ int ret; |
3228 |
+ |
3229 |
+ if (insn_bitness == 32) { |
3230 |
+ /* Relevant for 32-bit RSH: Information can propagate towards |
3231 |
+@@ -2931,6 +3107,11 @@ static int adjust_scalar_min_max_vals(struct bpf_verifier_env *env, |
3232 |
+ |
3233 |
+ switch (opcode) { |
3234 |
+ case BPF_ADD: |
3235 |
++ ret = sanitize_val_alu(env, insn); |
3236 |
++ if (ret < 0) { |
3237 |
++ verbose(env, "R%d tried to add from different pointers or scalars\n", dst); |
3238 |
++ return ret; |
3239 |
++ } |
3240 |
+ if (signed_add_overflows(dst_reg->smin_value, smin_val) || |
3241 |
+ signed_add_overflows(dst_reg->smax_value, smax_val)) { |
3242 |
+ dst_reg->smin_value = S64_MIN; |
3243 |
+@@ -2950,6 +3131,11 @@ static int adjust_scalar_min_max_vals(struct bpf_verifier_env *env, |
3244 |
+ dst_reg->var_off = tnum_add(dst_reg->var_off, src_reg.var_off); |
3245 |
+ break; |
3246 |
+ case BPF_SUB: |
3247 |
++ ret = sanitize_val_alu(env, insn); |
3248 |
++ if (ret < 0) { |
3249 |
++ verbose(env, "R%d tried to sub from different pointers or scalars\n", dst); |
3250 |
++ return ret; |
3251 |
++ } |
3252 |
+ if (signed_sub_overflows(dst_reg->smin_value, smax_val) || |
3253 |
+ signed_sub_overflows(dst_reg->smax_value, smin_val)) { |
3254 |
+ /* Overflow possible, we know nothing */ |
3255 |
+@@ -3475,6 +3661,79 @@ static void find_good_pkt_pointers(struct bpf_verifier_state *vstate, |
3256 |
+ } |
3257 |
+ } |
3258 |
+ |
3259 |
++/* compute branch direction of the expression "if (reg opcode val) goto target;" |
3260 |
++ * and return: |
3261 |
++ * 1 - branch will be taken and "goto target" will be executed |
3262 |
++ * 0 - branch will not be taken and fall-through to next insn |
3263 |
++ * -1 - unknown. Example: "if (reg < 5)" is unknown when register value range [0,10] |
3264 |
++ */ |
3265 |
++static int is_branch_taken(struct bpf_reg_state *reg, u64 val, u8 opcode) |
3266 |
++{ |
3267 |
++ if (__is_pointer_value(false, reg)) |
3268 |
++ return -1; |
3269 |
++ |
3270 |
++ switch (opcode) { |
3271 |
++ case BPF_JEQ: |
3272 |
++ if (tnum_is_const(reg->var_off)) |
3273 |
++ return !!tnum_equals_const(reg->var_off, val); |
3274 |
++ break; |
3275 |
++ case BPF_JNE: |
3276 |
++ if (tnum_is_const(reg->var_off)) |
3277 |
++ return !tnum_equals_const(reg->var_off, val); |
3278 |
++ break; |
3279 |
++ case BPF_JGT: |
3280 |
++ if (reg->umin_value > val) |
3281 |
++ return 1; |
3282 |
++ else if (reg->umax_value <= val) |
3283 |
++ return 0; |
3284 |
++ break; |
3285 |
++ case BPF_JSGT: |
3286 |
++ if (reg->smin_value > (s64)val) |
3287 |
++ return 1; |
3288 |
++ else if (reg->smax_value < (s64)val) |
3289 |
++ return 0; |
3290 |
++ break; |
3291 |
++ case BPF_JLT: |
3292 |
++ if (reg->umax_value < val) |
3293 |
++ return 1; |
3294 |
++ else if (reg->umin_value >= val) |
3295 |
++ return 0; |
3296 |
++ break; |
3297 |
++ case BPF_JSLT: |
3298 |
++ if (reg->smax_value < (s64)val) |
3299 |
++ return 1; |
3300 |
++ else if (reg->smin_value >= (s64)val) |
3301 |
++ return 0; |
3302 |
++ break; |
3303 |
++ case BPF_JGE: |
3304 |
++ if (reg->umin_value >= val) |
3305 |
++ return 1; |
3306 |
++ else if (reg->umax_value < val) |
3307 |
++ return 0; |
3308 |
++ break; |
3309 |
++ case BPF_JSGE: |
3310 |
++ if (reg->smin_value >= (s64)val) |
3311 |
++ return 1; |
3312 |
++ else if (reg->smax_value < (s64)val) |
3313 |
++ return 0; |
3314 |
++ break; |
3315 |
++ case BPF_JLE: |
3316 |
++ if (reg->umax_value <= val) |
3317 |
++ return 1; |
3318 |
++ else if (reg->umin_value > val) |
3319 |
++ return 0; |
3320 |
++ break; |
3321 |
++ case BPF_JSLE: |
3322 |
++ if (reg->smax_value <= (s64)val) |
3323 |
++ return 1; |
3324 |
++ else if (reg->smin_value > (s64)val) |
3325 |
++ return 0; |
3326 |
++ break; |
3327 |
++ } |
3328 |
++ |
3329 |
++ return -1; |
3330 |
++} |
3331 |
++ |
3332 |
+ /* Adjusts the register min/max values in the case that the dst_reg is the |
3333 |
+ * variable register that we are working on, and src_reg is a constant or we're |
3334 |
+ * simply doing a BPF_K check. |
3335 |
+@@ -3868,28 +4127,23 @@ static int check_cond_jmp_op(struct bpf_verifier_env *env, |
3336 |
+ |
3337 |
+ dst_reg = ®s[insn->dst_reg]; |
3338 |
+ |
3339 |
+- /* detect if R == 0 where R was initialized to zero earlier */ |
3340 |
+- if (BPF_SRC(insn->code) == BPF_K && |
3341 |
+- (opcode == BPF_JEQ || opcode == BPF_JNE) && |
3342 |
+- dst_reg->type == SCALAR_VALUE && |
3343 |
+- tnum_is_const(dst_reg->var_off)) { |
3344 |
+- if ((opcode == BPF_JEQ && dst_reg->var_off.value == insn->imm) || |
3345 |
+- (opcode == BPF_JNE && dst_reg->var_off.value != insn->imm)) { |
3346 |
+- /* if (imm == imm) goto pc+off; |
3347 |
+- * only follow the goto, ignore fall-through |
3348 |
+- */ |
3349 |
++ if (BPF_SRC(insn->code) == BPF_K) { |
3350 |
++ int pred = is_branch_taken(dst_reg, insn->imm, opcode); |
3351 |
++ |
3352 |
++ if (pred == 1) { |
3353 |
++ /* only follow the goto, ignore fall-through */ |
3354 |
+ *insn_idx += insn->off; |
3355 |
+ return 0; |
3356 |
+- } else { |
3357 |
+- /* if (imm != imm) goto pc+off; |
3358 |
+- * only follow fall-through branch, since |
3359 |
++ } else if (pred == 0) { |
3360 |
++ /* only follow fall-through branch, since |
3361 |
+ * that's where the program will go |
3362 |
+ */ |
3363 |
+ return 0; |
3364 |
+ } |
3365 |
+ } |
3366 |
+ |
3367 |
+- other_branch = push_stack(env, *insn_idx + insn->off + 1, *insn_idx); |
3368 |
++ other_branch = push_stack(env, *insn_idx + insn->off + 1, *insn_idx, |
3369 |
++ false); |
3370 |
+ if (!other_branch) |
3371 |
+ return -EFAULT; |
3372 |
+ other_branch_regs = other_branch->frame[other_branch->curframe]->regs; |
3373 |
+@@ -4604,6 +4858,12 @@ static bool states_equal(struct bpf_verifier_env *env, |
3374 |
+ if (old->curframe != cur->curframe) |
3375 |
+ return false; |
3376 |
+ |
3377 |
++ /* Verification state from speculative execution simulation |
3378 |
++ * must never prune a non-speculative execution one. |
3379 |
++ */ |
3380 |
++ if (old->speculative && !cur->speculative) |
3381 |
++ return false; |
3382 |
++ |
3383 |
+ /* for states to be equal callsites have to be the same |
3384 |
+ * and all frame states need to be equivalent |
3385 |
+ */ |
3386 |
+@@ -4668,7 +4928,7 @@ static int is_state_visited(struct bpf_verifier_env *env, int insn_idx) |
3387 |
+ struct bpf_verifier_state_list *new_sl; |
3388 |
+ struct bpf_verifier_state_list *sl; |
3389 |
+ struct bpf_verifier_state *cur = env->cur_state; |
3390 |
+- int i, j, err; |
3391 |
++ int i, j, err, states_cnt = 0; |
3392 |
+ |
3393 |
+ sl = env->explored_states[insn_idx]; |
3394 |
+ if (!sl) |
3395 |
+@@ -4695,8 +4955,12 @@ static int is_state_visited(struct bpf_verifier_env *env, int insn_idx) |
3396 |
+ return 1; |
3397 |
+ } |
3398 |
+ sl = sl->next; |
3399 |
++ states_cnt++; |
3400 |
+ } |
3401 |
+ |
3402 |
++ if (!env->allow_ptr_leaks && states_cnt > BPF_COMPLEXITY_LIMIT_STATES) |
3403 |
++ return 0; |
3404 |
++ |
3405 |
+ /* there were no equivalent states, remember current one. |
3406 |
+ * technically the current state is not proven to be safe yet, |
3407 |
+ * but it will either reach outer most bpf_exit (which means it's safe) |
3408 |
+@@ -4744,7 +5008,6 @@ static int do_check(struct bpf_verifier_env *env) |
3409 |
+ struct bpf_insn *insns = env->prog->insnsi; |
3410 |
+ struct bpf_reg_state *regs; |
3411 |
+ int insn_cnt = env->prog->len, i; |
3412 |
+- int insn_idx, prev_insn_idx = 0; |
3413 |
+ int insn_processed = 0; |
3414 |
+ bool do_print_state = false; |
3415 |
+ |
3416 |
+@@ -4752,7 +5015,7 @@ static int do_check(struct bpf_verifier_env *env) |
3417 |
+ if (!state) |
3418 |
+ return -ENOMEM; |
3419 |
+ state->curframe = 0; |
3420 |
+- state->parent = NULL; |
3421 |
++ state->speculative = false; |
3422 |
+ state->frame[0] = kzalloc(sizeof(struct bpf_func_state), GFP_KERNEL); |
3423 |
+ if (!state->frame[0]) { |
3424 |
+ kfree(state); |
3425 |
+@@ -4763,19 +5026,19 @@ static int do_check(struct bpf_verifier_env *env) |
3426 |
+ BPF_MAIN_FUNC /* callsite */, |
3427 |
+ 0 /* frameno */, |
3428 |
+ 0 /* subprogno, zero == main subprog */); |
3429 |
+- insn_idx = 0; |
3430 |
++ |
3431 |
+ for (;;) { |
3432 |
+ struct bpf_insn *insn; |
3433 |
+ u8 class; |
3434 |
+ int err; |
3435 |
+ |
3436 |
+- if (insn_idx >= insn_cnt) { |
3437 |
++ if (env->insn_idx >= insn_cnt) { |
3438 |
+ verbose(env, "invalid insn idx %d insn_cnt %d\n", |
3439 |
+- insn_idx, insn_cnt); |
3440 |
++ env->insn_idx, insn_cnt); |
3441 |
+ return -EFAULT; |
3442 |
+ } |
3443 |
+ |
3444 |
+- insn = &insns[insn_idx]; |
3445 |
++ insn = &insns[env->insn_idx]; |
3446 |
+ class = BPF_CLASS(insn->code); |
3447 |
+ |
3448 |
+ if (++insn_processed > BPF_COMPLEXITY_LIMIT_INSNS) { |
3449 |
+@@ -4785,17 +5048,19 @@ static int do_check(struct bpf_verifier_env *env) |
3450 |
+ return -E2BIG; |
3451 |
+ } |
3452 |
+ |
3453 |
+- err = is_state_visited(env, insn_idx); |
3454 |
++ err = is_state_visited(env, env->insn_idx); |
3455 |
+ if (err < 0) |
3456 |
+ return err; |
3457 |
+ if (err == 1) { |
3458 |
+ /* found equivalent state, can prune the search */ |
3459 |
+ if (env->log.level) { |
3460 |
+ if (do_print_state) |
3461 |
+- verbose(env, "\nfrom %d to %d: safe\n", |
3462 |
+- prev_insn_idx, insn_idx); |
3463 |
++ verbose(env, "\nfrom %d to %d%s: safe\n", |
3464 |
++ env->prev_insn_idx, env->insn_idx, |
3465 |
++ env->cur_state->speculative ? |
3466 |
++ " (speculative execution)" : ""); |
3467 |
+ else |
3468 |
+- verbose(env, "%d: safe\n", insn_idx); |
3469 |
++ verbose(env, "%d: safe\n", env->insn_idx); |
3470 |
+ } |
3471 |
+ goto process_bpf_exit; |
3472 |
+ } |
3473 |
+@@ -4808,10 +5073,12 @@ static int do_check(struct bpf_verifier_env *env) |
3474 |
+ |
3475 |
+ if (env->log.level > 1 || (env->log.level && do_print_state)) { |
3476 |
+ if (env->log.level > 1) |
3477 |
+- verbose(env, "%d:", insn_idx); |
3478 |
++ verbose(env, "%d:", env->insn_idx); |
3479 |
+ else |
3480 |
+- verbose(env, "\nfrom %d to %d:", |
3481 |
+- prev_insn_idx, insn_idx); |
3482 |
++ verbose(env, "\nfrom %d to %d%s:", |
3483 |
++ env->prev_insn_idx, env->insn_idx, |
3484 |
++ env->cur_state->speculative ? |
3485 |
++ " (speculative execution)" : ""); |
3486 |
+ print_verifier_state(env, state->frame[state->curframe]); |
3487 |
+ do_print_state = false; |
3488 |
+ } |
3489 |
+@@ -4822,19 +5089,20 @@ static int do_check(struct bpf_verifier_env *env) |
3490 |
+ .private_data = env, |
3491 |
+ }; |
3492 |
+ |
3493 |
+- verbose(env, "%d: ", insn_idx); |
3494 |
++ verbose(env, "%d: ", env->insn_idx); |
3495 |
+ print_bpf_insn(&cbs, insn, env->allow_ptr_leaks); |
3496 |
+ } |
3497 |
+ |
3498 |
+ if (bpf_prog_is_dev_bound(env->prog->aux)) { |
3499 |
+- err = bpf_prog_offload_verify_insn(env, insn_idx, |
3500 |
+- prev_insn_idx); |
3501 |
++ err = bpf_prog_offload_verify_insn(env, env->insn_idx, |
3502 |
++ env->prev_insn_idx); |
3503 |
+ if (err) |
3504 |
+ return err; |
3505 |
+ } |
3506 |
+ |
3507 |
+ regs = cur_regs(env); |
3508 |
+- env->insn_aux_data[insn_idx].seen = true; |
3509 |
++ env->insn_aux_data[env->insn_idx].seen = true; |
3510 |
++ |
3511 |
+ if (class == BPF_ALU || class == BPF_ALU64) { |
3512 |
+ err = check_alu_op(env, insn); |
3513 |
+ if (err) |
3514 |
+@@ -4859,13 +5127,13 @@ static int do_check(struct bpf_verifier_env *env) |
3515 |
+ /* check that memory (src_reg + off) is readable, |
3516 |
+ * the state of dst_reg will be updated by this func |
3517 |
+ */ |
3518 |
+- err = check_mem_access(env, insn_idx, insn->src_reg, insn->off, |
3519 |
+- BPF_SIZE(insn->code), BPF_READ, |
3520 |
+- insn->dst_reg, false); |
3521 |
++ err = check_mem_access(env, env->insn_idx, insn->src_reg, |
3522 |
++ insn->off, BPF_SIZE(insn->code), |
3523 |
++ BPF_READ, insn->dst_reg, false); |
3524 |
+ if (err) |
3525 |
+ return err; |
3526 |
+ |
3527 |
+- prev_src_type = &env->insn_aux_data[insn_idx].ptr_type; |
3528 |
++ prev_src_type = &env->insn_aux_data[env->insn_idx].ptr_type; |
3529 |
+ |
3530 |
+ if (*prev_src_type == NOT_INIT) { |
3531 |
+ /* saw a valid insn |
3532 |
+@@ -4892,10 +5160,10 @@ static int do_check(struct bpf_verifier_env *env) |
3533 |
+ enum bpf_reg_type *prev_dst_type, dst_reg_type; |
3534 |
+ |
3535 |
+ if (BPF_MODE(insn->code) == BPF_XADD) { |
3536 |
+- err = check_xadd(env, insn_idx, insn); |
3537 |
++ err = check_xadd(env, env->insn_idx, insn); |
3538 |
+ if (err) |
3539 |
+ return err; |
3540 |
+- insn_idx++; |
3541 |
++ env->insn_idx++; |
3542 |
+ continue; |
3543 |
+ } |
3544 |
+ |
3545 |
+@@ -4911,13 +5179,13 @@ static int do_check(struct bpf_verifier_env *env) |
3546 |
+ dst_reg_type = regs[insn->dst_reg].type; |
3547 |
+ |
3548 |
+ /* check that memory (dst_reg + off) is writeable */ |
3549 |
+- err = check_mem_access(env, insn_idx, insn->dst_reg, insn->off, |
3550 |
+- BPF_SIZE(insn->code), BPF_WRITE, |
3551 |
+- insn->src_reg, false); |
3552 |
++ err = check_mem_access(env, env->insn_idx, insn->dst_reg, |
3553 |
++ insn->off, BPF_SIZE(insn->code), |
3554 |
++ BPF_WRITE, insn->src_reg, false); |
3555 |
+ if (err) |
3556 |
+ return err; |
3557 |
+ |
3558 |
+- prev_dst_type = &env->insn_aux_data[insn_idx].ptr_type; |
3559 |
++ prev_dst_type = &env->insn_aux_data[env->insn_idx].ptr_type; |
3560 |
+ |
3561 |
+ if (*prev_dst_type == NOT_INIT) { |
3562 |
+ *prev_dst_type = dst_reg_type; |
3563 |
+@@ -4946,9 +5214,9 @@ static int do_check(struct bpf_verifier_env *env) |
3564 |
+ } |
3565 |
+ |
3566 |
+ /* check that memory (dst_reg + off) is writeable */ |
3567 |
+- err = check_mem_access(env, insn_idx, insn->dst_reg, insn->off, |
3568 |
+- BPF_SIZE(insn->code), BPF_WRITE, |
3569 |
+- -1, false); |
3570 |
++ err = check_mem_access(env, env->insn_idx, insn->dst_reg, |
3571 |
++ insn->off, BPF_SIZE(insn->code), |
3572 |
++ BPF_WRITE, -1, false); |
3573 |
+ if (err) |
3574 |
+ return err; |
3575 |
+ |
3576 |
+@@ -4966,9 +5234,9 @@ static int do_check(struct bpf_verifier_env *env) |
3577 |
+ } |
3578 |
+ |
3579 |
+ if (insn->src_reg == BPF_PSEUDO_CALL) |
3580 |
+- err = check_func_call(env, insn, &insn_idx); |
3581 |
++ err = check_func_call(env, insn, &env->insn_idx); |
3582 |
+ else |
3583 |
+- err = check_helper_call(env, insn->imm, insn_idx); |
3584 |
++ err = check_helper_call(env, insn->imm, env->insn_idx); |
3585 |
+ if (err) |
3586 |
+ return err; |
3587 |
+ |
3588 |
+@@ -4981,7 +5249,7 @@ static int do_check(struct bpf_verifier_env *env) |
3589 |
+ return -EINVAL; |
3590 |
+ } |
3591 |
+ |
3592 |
+- insn_idx += insn->off + 1; |
3593 |
++ env->insn_idx += insn->off + 1; |
3594 |
+ continue; |
3595 |
+ |
3596 |
+ } else if (opcode == BPF_EXIT) { |
3597 |
+@@ -4995,8 +5263,8 @@ static int do_check(struct bpf_verifier_env *env) |
3598 |
+ |
3599 |
+ if (state->curframe) { |
3600 |
+ /* exit from nested function */ |
3601 |
+- prev_insn_idx = insn_idx; |
3602 |
+- err = prepare_func_exit(env, &insn_idx); |
3603 |
++ env->prev_insn_idx = env->insn_idx; |
3604 |
++ err = prepare_func_exit(env, &env->insn_idx); |
3605 |
+ if (err) |
3606 |
+ return err; |
3607 |
+ do_print_state = true; |
3608 |
+@@ -5022,7 +5290,8 @@ static int do_check(struct bpf_verifier_env *env) |
3609 |
+ if (err) |
3610 |
+ return err; |
3611 |
+ process_bpf_exit: |
3612 |
+- err = pop_stack(env, &prev_insn_idx, &insn_idx); |
3613 |
++ err = pop_stack(env, &env->prev_insn_idx, |
3614 |
++ &env->insn_idx); |
3615 |
+ if (err < 0) { |
3616 |
+ if (err != -ENOENT) |
3617 |
+ return err; |
3618 |
+@@ -5032,7 +5301,7 @@ process_bpf_exit: |
3619 |
+ continue; |
3620 |
+ } |
3621 |
+ } else { |
3622 |
+- err = check_cond_jmp_op(env, insn, &insn_idx); |
3623 |
++ err = check_cond_jmp_op(env, insn, &env->insn_idx); |
3624 |
+ if (err) |
3625 |
+ return err; |
3626 |
+ } |
3627 |
+@@ -5049,8 +5318,8 @@ process_bpf_exit: |
3628 |
+ if (err) |
3629 |
+ return err; |
3630 |
+ |
3631 |
+- insn_idx++; |
3632 |
+- env->insn_aux_data[insn_idx].seen = true; |
3633 |
++ env->insn_idx++; |
3634 |
++ env->insn_aux_data[env->insn_idx].seen = true; |
3635 |
+ } else { |
3636 |
+ verbose(env, "invalid BPF_LD mode\n"); |
3637 |
+ return -EINVAL; |
3638 |
+@@ -5060,7 +5329,7 @@ process_bpf_exit: |
3639 |
+ return -EINVAL; |
3640 |
+ } |
3641 |
+ |
3642 |
+- insn_idx++; |
3643 |
++ env->insn_idx++; |
3644 |
+ } |
3645 |
+ |
3646 |
+ verbose(env, "processed %d insns (limit %d), stack depth ", |
3647 |
+@@ -5756,6 +6025,57 @@ static int fixup_bpf_calls(struct bpf_verifier_env *env) |
3648 |
+ continue; |
3649 |
+ } |
3650 |
+ |
3651 |
++ if (insn->code == (BPF_ALU64 | BPF_ADD | BPF_X) || |
3652 |
++ insn->code == (BPF_ALU64 | BPF_SUB | BPF_X)) { |
3653 |
++ const u8 code_add = BPF_ALU64 | BPF_ADD | BPF_X; |
3654 |
++ const u8 code_sub = BPF_ALU64 | BPF_SUB | BPF_X; |
3655 |
++ struct bpf_insn insn_buf[16]; |
3656 |
++ struct bpf_insn *patch = &insn_buf[0]; |
3657 |
++ bool issrc, isneg; |
3658 |
++ u32 off_reg; |
3659 |
++ |
3660 |
++ aux = &env->insn_aux_data[i + delta]; |
3661 |
++ if (!aux->alu_state) |
3662 |
++ continue; |
3663 |
++ |
3664 |
++ isneg = aux->alu_state & BPF_ALU_NEG_VALUE; |
3665 |
++ issrc = (aux->alu_state & BPF_ALU_SANITIZE) == |
3666 |
++ BPF_ALU_SANITIZE_SRC; |
3667 |
++ |
3668 |
++ off_reg = issrc ? insn->src_reg : insn->dst_reg; |
3669 |
++ if (isneg) |
3670 |
++ *patch++ = BPF_ALU64_IMM(BPF_MUL, off_reg, -1); |
3671 |
++ *patch++ = BPF_MOV32_IMM(BPF_REG_AX, aux->alu_limit - 1); |
3672 |
++ *patch++ = BPF_ALU64_REG(BPF_SUB, BPF_REG_AX, off_reg); |
3673 |
++ *patch++ = BPF_ALU64_REG(BPF_OR, BPF_REG_AX, off_reg); |
3674 |
++ *patch++ = BPF_ALU64_IMM(BPF_NEG, BPF_REG_AX, 0); |
3675 |
++ *patch++ = BPF_ALU64_IMM(BPF_ARSH, BPF_REG_AX, 63); |
3676 |
++ if (issrc) { |
3677 |
++ *patch++ = BPF_ALU64_REG(BPF_AND, BPF_REG_AX, |
3678 |
++ off_reg); |
3679 |
++ insn->src_reg = BPF_REG_AX; |
3680 |
++ } else { |
3681 |
++ *patch++ = BPF_ALU64_REG(BPF_AND, off_reg, |
3682 |
++ BPF_REG_AX); |
3683 |
++ } |
3684 |
++ if (isneg) |
3685 |
++ insn->code = insn->code == code_add ? |
3686 |
++ code_sub : code_add; |
3687 |
++ *patch++ = *insn; |
3688 |
++ if (issrc && isneg) |
3689 |
++ *patch++ = BPF_ALU64_IMM(BPF_MUL, off_reg, -1); |
3690 |
++ cnt = patch - insn_buf; |
3691 |
++ |
3692 |
++ new_prog = bpf_patch_insn_data(env, i + delta, insn_buf, cnt); |
3693 |
++ if (!new_prog) |
3694 |
++ return -ENOMEM; |
3695 |
++ |
3696 |
++ delta += cnt - 1; |
3697 |
++ env->prog = prog = new_prog; |
3698 |
++ insn = new_prog->insnsi + i + delta; |
3699 |
++ continue; |
3700 |
++ } |
3701 |
++ |
3702 |
+ if (insn->code != (BPF_JMP | BPF_CALL)) |
3703 |
+ continue; |
3704 |
+ if (insn->src_reg == BPF_PSEUDO_CALL) |
3705 |
+diff --git a/kernel/time/posix-cpu-timers.c b/kernel/time/posix-cpu-timers.c |
3706 |
+index ce32cf741b25..76801b9b481e 100644 |
3707 |
+--- a/kernel/time/posix-cpu-timers.c |
3708 |
++++ b/kernel/time/posix-cpu-timers.c |
3709 |
+@@ -685,6 +685,7 @@ static int posix_cpu_timer_set(struct k_itimer *timer, int timer_flags, |
3710 |
+ * set up the signal and overrun bookkeeping. |
3711 |
+ */ |
3712 |
+ timer->it.cpu.incr = timespec64_to_ns(&new->it_interval); |
3713 |
++ timer->it_interval = ns_to_ktime(timer->it.cpu.incr); |
3714 |
+ |
3715 |
+ /* |
3716 |
+ * This acts as a modification timestamp for the timer, |
3717 |
+diff --git a/mm/page_alloc.c b/mm/page_alloc.c |
3718 |
+index 93e73ccb4dec..9e45553cabd6 100644 |
3719 |
+--- a/mm/page_alloc.c |
3720 |
++++ b/mm/page_alloc.c |
3721 |
+@@ -5538,18 +5538,6 @@ not_early: |
3722 |
+ cond_resched(); |
3723 |
+ } |
3724 |
+ } |
3725 |
+-#ifdef CONFIG_SPARSEMEM |
3726 |
+- /* |
3727 |
+- * If the zone does not span the rest of the section then |
3728 |
+- * we should at least initialize those pages. Otherwise we |
3729 |
+- * could blow up on a poisoned page in some paths which depend |
3730 |
+- * on full sections being initialized (e.g. memory hotplug). |
3731 |
+- */ |
3732 |
+- while (end_pfn % PAGES_PER_SECTION) { |
3733 |
+- __init_single_page(pfn_to_page(end_pfn), end_pfn, zone, nid); |
3734 |
+- end_pfn++; |
3735 |
+- } |
3736 |
+-#endif |
3737 |
+ } |
3738 |
+ |
3739 |
+ static void __meminit zone_init_free_lists(struct zone *zone) |
3740 |
+diff --git a/net/bridge/br_forward.c b/net/bridge/br_forward.c |
3741 |
+index 2cb8da465b98..48ddc60b4fbd 100644 |
3742 |
+--- a/net/bridge/br_forward.c |
3743 |
++++ b/net/bridge/br_forward.c |
3744 |
+@@ -36,10 +36,10 @@ static inline int should_deliver(const struct net_bridge_port *p, |
3745 |
+ |
3746 |
+ int br_dev_queue_push_xmit(struct net *net, struct sock *sk, struct sk_buff *skb) |
3747 |
+ { |
3748 |
++ skb_push(skb, ETH_HLEN); |
3749 |
+ if (!is_skb_forwardable(skb->dev, skb)) |
3750 |
+ goto drop; |
3751 |
+ |
3752 |
+- skb_push(skb, ETH_HLEN); |
3753 |
+ br_drop_fake_rtable(skb); |
3754 |
+ |
3755 |
+ if (skb->ip_summed == CHECKSUM_PARTIAL && |
3756 |
+@@ -98,12 +98,11 @@ static void __br_forward(const struct net_bridge_port *to, |
3757 |
+ net = dev_net(indev); |
3758 |
+ } else { |
3759 |
+ if (unlikely(netpoll_tx_running(to->br->dev))) { |
3760 |
+- if (!is_skb_forwardable(skb->dev, skb)) { |
3761 |
++ skb_push(skb, ETH_HLEN); |
3762 |
++ if (!is_skb_forwardable(skb->dev, skb)) |
3763 |
+ kfree_skb(skb); |
3764 |
+- } else { |
3765 |
+- skb_push(skb, ETH_HLEN); |
3766 |
++ else |
3767 |
+ br_netpoll_send_skb(to, skb); |
3768 |
+- } |
3769 |
+ return; |
3770 |
+ } |
3771 |
+ br_hook = NF_BR_LOCAL_OUT; |
3772 |
+diff --git a/net/bridge/br_netfilter_ipv6.c b/net/bridge/br_netfilter_ipv6.c |
3773 |
+index 96c072e71ea2..5811208863b7 100644 |
3774 |
+--- a/net/bridge/br_netfilter_ipv6.c |
3775 |
++++ b/net/bridge/br_netfilter_ipv6.c |
3776 |
+@@ -131,6 +131,7 @@ int br_validate_ipv6(struct net *net, struct sk_buff *skb) |
3777 |
+ IPSTATS_MIB_INDISCARDS); |
3778 |
+ goto drop; |
3779 |
+ } |
3780 |
++ hdr = ipv6_hdr(skb); |
3781 |
+ } |
3782 |
+ if (hdr->nexthdr == NEXTHDR_HOP && br_nf_check_hbh_len(skb)) |
3783 |
+ goto drop; |
3784 |
+diff --git a/net/bridge/netfilter/nft_reject_bridge.c b/net/bridge/netfilter/nft_reject_bridge.c |
3785 |
+index 08cbed7d940e..419e8edf23ba 100644 |
3786 |
+--- a/net/bridge/netfilter/nft_reject_bridge.c |
3787 |
++++ b/net/bridge/netfilter/nft_reject_bridge.c |
3788 |
+@@ -229,6 +229,7 @@ static bool reject6_br_csum_ok(struct sk_buff *skb, int hook) |
3789 |
+ pskb_trim_rcsum(skb, ntohs(ip6h->payload_len) + sizeof(*ip6h))) |
3790 |
+ return false; |
3791 |
+ |
3792 |
++ ip6h = ipv6_hdr(skb); |
3793 |
+ thoff = ipv6_skip_exthdr(skb, ((u8*)(ip6h+1) - skb->data), &proto, &fo); |
3794 |
+ if (thoff < 0 || thoff >= skb->len || (fo & htons(~0x7)) != 0) |
3795 |
+ return false; |
3796 |
+diff --git a/net/can/bcm.c b/net/can/bcm.c |
3797 |
+index 0af8f0db892a..79bb8afa9c0c 100644 |
3798 |
+--- a/net/can/bcm.c |
3799 |
++++ b/net/can/bcm.c |
3800 |
+@@ -67,6 +67,9 @@ |
3801 |
+ */ |
3802 |
+ #define MAX_NFRAMES 256 |
3803 |
+ |
3804 |
++/* limit timers to 400 days for sending/timeouts */ |
3805 |
++#define BCM_TIMER_SEC_MAX (400 * 24 * 60 * 60) |
3806 |
++ |
3807 |
+ /* use of last_frames[index].flags */ |
3808 |
+ #define RX_RECV 0x40 /* received data for this element */ |
3809 |
+ #define RX_THR 0x80 /* element not been sent due to throttle feature */ |
3810 |
+@@ -140,6 +143,22 @@ static inline ktime_t bcm_timeval_to_ktime(struct bcm_timeval tv) |
3811 |
+ return ktime_set(tv.tv_sec, tv.tv_usec * NSEC_PER_USEC); |
3812 |
+ } |
3813 |
+ |
3814 |
++/* check limitations for timeval provided by user */ |
3815 |
++static bool bcm_is_invalid_tv(struct bcm_msg_head *msg_head) |
3816 |
++{ |
3817 |
++ if ((msg_head->ival1.tv_sec < 0) || |
3818 |
++ (msg_head->ival1.tv_sec > BCM_TIMER_SEC_MAX) || |
3819 |
++ (msg_head->ival1.tv_usec < 0) || |
3820 |
++ (msg_head->ival1.tv_usec >= USEC_PER_SEC) || |
3821 |
++ (msg_head->ival2.tv_sec < 0) || |
3822 |
++ (msg_head->ival2.tv_sec > BCM_TIMER_SEC_MAX) || |
3823 |
++ (msg_head->ival2.tv_usec < 0) || |
3824 |
++ (msg_head->ival2.tv_usec >= USEC_PER_SEC)) |
3825 |
++ return true; |
3826 |
++ |
3827 |
++ return false; |
3828 |
++} |
3829 |
++ |
3830 |
+ #define CFSIZ(flags) ((flags & CAN_FD_FRAME) ? CANFD_MTU : CAN_MTU) |
3831 |
+ #define OPSIZ sizeof(struct bcm_op) |
3832 |
+ #define MHSIZ sizeof(struct bcm_msg_head) |
3833 |
+@@ -873,6 +892,10 @@ static int bcm_tx_setup(struct bcm_msg_head *msg_head, struct msghdr *msg, |
3834 |
+ if (msg_head->nframes < 1 || msg_head->nframes > MAX_NFRAMES) |
3835 |
+ return -EINVAL; |
3836 |
+ |
3837 |
++ /* check timeval limitations */ |
3838 |
++ if ((msg_head->flags & SETTIMER) && bcm_is_invalid_tv(msg_head)) |
3839 |
++ return -EINVAL; |
3840 |
++ |
3841 |
+ /* check the given can_id */ |
3842 |
+ op = bcm_find_op(&bo->tx_ops, msg_head, ifindex); |
3843 |
+ if (op) { |
3844 |
+@@ -1053,6 +1076,10 @@ static int bcm_rx_setup(struct bcm_msg_head *msg_head, struct msghdr *msg, |
3845 |
+ (!(msg_head->can_id & CAN_RTR_FLAG)))) |
3846 |
+ return -EINVAL; |
3847 |
+ |
3848 |
++ /* check timeval limitations */ |
3849 |
++ if ((msg_head->flags & SETTIMER) && bcm_is_invalid_tv(msg_head)) |
3850 |
++ return -EINVAL; |
3851 |
++ |
3852 |
+ /* check the given can_id */ |
3853 |
+ op = bcm_find_op(&bo->rx_ops, msg_head, ifindex); |
3854 |
+ if (op) { |
3855 |
+diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c |
3856 |
+index 0113993e9b2c..958e185a8e8d 100644 |
3857 |
+--- a/net/ipv4/fib_frontend.c |
3858 |
++++ b/net/ipv4/fib_frontend.c |
3859 |
+@@ -203,7 +203,7 @@ static void fib_flush(struct net *net) |
3860 |
+ struct fib_table *tb; |
3861 |
+ |
3862 |
+ hlist_for_each_entry_safe(tb, tmp, head, tb_hlist) |
3863 |
+- flushed += fib_table_flush(net, tb); |
3864 |
++ flushed += fib_table_flush(net, tb, false); |
3865 |
+ } |
3866 |
+ |
3867 |
+ if (flushed) |
3868 |
+@@ -1357,7 +1357,7 @@ static void ip_fib_net_exit(struct net *net) |
3869 |
+ |
3870 |
+ hlist_for_each_entry_safe(tb, tmp, head, tb_hlist) { |
3871 |
+ hlist_del(&tb->tb_hlist); |
3872 |
+- fib_table_flush(net, tb); |
3873 |
++ fib_table_flush(net, tb, true); |
3874 |
+ fib_free_table(tb); |
3875 |
+ } |
3876 |
+ } |
3877 |
+diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c |
3878 |
+index 5bc0c89e81e4..3955a6d7ea66 100644 |
3879 |
+--- a/net/ipv4/fib_trie.c |
3880 |
++++ b/net/ipv4/fib_trie.c |
3881 |
+@@ -1856,7 +1856,7 @@ void fib_table_flush_external(struct fib_table *tb) |
3882 |
+ } |
3883 |
+ |
3884 |
+ /* Caller must hold RTNL. */ |
3885 |
+-int fib_table_flush(struct net *net, struct fib_table *tb) |
3886 |
++int fib_table_flush(struct net *net, struct fib_table *tb, bool flush_all) |
3887 |
+ { |
3888 |
+ struct trie *t = (struct trie *)tb->tb_data; |
3889 |
+ struct key_vector *pn = t->kv; |
3890 |
+@@ -1904,8 +1904,17 @@ int fib_table_flush(struct net *net, struct fib_table *tb) |
3891 |
+ hlist_for_each_entry_safe(fa, tmp, &n->leaf, fa_list) { |
3892 |
+ struct fib_info *fi = fa->fa_info; |
3893 |
+ |
3894 |
+- if (!fi || !(fi->fib_flags & RTNH_F_DEAD) || |
3895 |
+- tb->tb_id != fa->tb_id) { |
3896 |
++ if (!fi || tb->tb_id != fa->tb_id || |
3897 |
++ (!(fi->fib_flags & RTNH_F_DEAD) && |
3898 |
++ !fib_props[fa->fa_type].error)) { |
3899 |
++ slen = fa->fa_slen; |
3900 |
++ continue; |
3901 |
++ } |
3902 |
++ |
3903 |
++ /* Do not flush error routes if network namespace is |
3904 |
++ * not being dismantled |
3905 |
++ */ |
3906 |
++ if (!flush_all && fib_props[fa->fa_type].error) { |
3907 |
+ slen = fa->fa_slen; |
3908 |
+ continue; |
3909 |
+ } |
3910 |
+diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c |
3911 |
+index 5ef5df3a06f1..0bfad3e72509 100644 |
3912 |
+--- a/net/ipv4/ip_gre.c |
3913 |
++++ b/net/ipv4/ip_gre.c |
3914 |
+@@ -570,8 +570,7 @@ err_free_skb: |
3915 |
+ dev->stats.tx_dropped++; |
3916 |
+ } |
3917 |
+ |
3918 |
+-static void erspan_fb_xmit(struct sk_buff *skb, struct net_device *dev, |
3919 |
+- __be16 proto) |
3920 |
++static void erspan_fb_xmit(struct sk_buff *skb, struct net_device *dev) |
3921 |
+ { |
3922 |
+ struct ip_tunnel *tunnel = netdev_priv(dev); |
3923 |
+ struct ip_tunnel_info *tun_info; |
3924 |
+@@ -579,10 +578,10 @@ static void erspan_fb_xmit(struct sk_buff *skb, struct net_device *dev, |
3925 |
+ struct erspan_metadata *md; |
3926 |
+ struct rtable *rt = NULL; |
3927 |
+ bool truncate = false; |
3928 |
++ __be16 df, proto; |
3929 |
+ struct flowi4 fl; |
3930 |
+ int tunnel_hlen; |
3931 |
+ int version; |
3932 |
+- __be16 df; |
3933 |
+ int nhoff; |
3934 |
+ int thoff; |
3935 |
+ |
3936 |
+@@ -627,18 +626,20 @@ static void erspan_fb_xmit(struct sk_buff *skb, struct net_device *dev, |
3937 |
+ if (version == 1) { |
3938 |
+ erspan_build_header(skb, ntohl(tunnel_id_to_key32(key->tun_id)), |
3939 |
+ ntohl(md->u.index), truncate, true); |
3940 |
++ proto = htons(ETH_P_ERSPAN); |
3941 |
+ } else if (version == 2) { |
3942 |
+ erspan_build_header_v2(skb, |
3943 |
+ ntohl(tunnel_id_to_key32(key->tun_id)), |
3944 |
+ md->u.md2.dir, |
3945 |
+ get_hwid(&md->u.md2), |
3946 |
+ truncate, true); |
3947 |
++ proto = htons(ETH_P_ERSPAN2); |
3948 |
+ } else { |
3949 |
+ goto err_free_rt; |
3950 |
+ } |
3951 |
+ |
3952 |
+ gre_build_header(skb, 8, TUNNEL_SEQ, |
3953 |
+- htons(ETH_P_ERSPAN), 0, htonl(tunnel->o_seqno++)); |
3954 |
++ proto, 0, htonl(tunnel->o_seqno++)); |
3955 |
+ |
3956 |
+ df = key->tun_flags & TUNNEL_DONT_FRAGMENT ? htons(IP_DF) : 0; |
3957 |
+ |
3958 |
+@@ -722,12 +723,13 @@ static netdev_tx_t erspan_xmit(struct sk_buff *skb, |
3959 |
+ { |
3960 |
+ struct ip_tunnel *tunnel = netdev_priv(dev); |
3961 |
+ bool truncate = false; |
3962 |
++ __be16 proto; |
3963 |
+ |
3964 |
+ if (!pskb_inet_may_pull(skb)) |
3965 |
+ goto free_skb; |
3966 |
+ |
3967 |
+ if (tunnel->collect_md) { |
3968 |
+- erspan_fb_xmit(skb, dev, skb->protocol); |
3969 |
++ erspan_fb_xmit(skb, dev); |
3970 |
+ return NETDEV_TX_OK; |
3971 |
+ } |
3972 |
+ |
3973 |
+@@ -743,19 +745,22 @@ static netdev_tx_t erspan_xmit(struct sk_buff *skb, |
3974 |
+ } |
3975 |
+ |
3976 |
+ /* Push ERSPAN header */ |
3977 |
+- if (tunnel->erspan_ver == 1) |
3978 |
++ if (tunnel->erspan_ver == 1) { |
3979 |
+ erspan_build_header(skb, ntohl(tunnel->parms.o_key), |
3980 |
+ tunnel->index, |
3981 |
+ truncate, true); |
3982 |
+- else if (tunnel->erspan_ver == 2) |
3983 |
++ proto = htons(ETH_P_ERSPAN); |
3984 |
++ } else if (tunnel->erspan_ver == 2) { |
3985 |
+ erspan_build_header_v2(skb, ntohl(tunnel->parms.o_key), |
3986 |
+ tunnel->dir, tunnel->hwid, |
3987 |
+ truncate, true); |
3988 |
+- else |
3989 |
++ proto = htons(ETH_P_ERSPAN2); |
3990 |
++ } else { |
3991 |
+ goto free_skb; |
3992 |
++ } |
3993 |
+ |
3994 |
+ tunnel->parms.o_flags &= ~TUNNEL_KEY; |
3995 |
+- __gre_xmit(skb, dev, &tunnel->parms.iph, htons(ETH_P_ERSPAN)); |
3996 |
++ __gre_xmit(skb, dev, &tunnel->parms.iph, proto); |
3997 |
+ return NETDEV_TX_OK; |
3998 |
+ |
3999 |
+ free_skb: |
4000 |
+diff --git a/net/ipv4/ip_input.c b/net/ipv4/ip_input.c |
4001 |
+index 27c863f6dd83..6f977b0fef54 100644 |
4002 |
+--- a/net/ipv4/ip_input.c |
4003 |
++++ b/net/ipv4/ip_input.c |
4004 |
+@@ -489,6 +489,7 @@ static struct sk_buff *ip_rcv_core(struct sk_buff *skb, struct net *net) |
4005 |
+ goto drop; |
4006 |
+ } |
4007 |
+ |
4008 |
++ iph = ip_hdr(skb); |
4009 |
+ skb->transport_header = skb->network_header + iph->ihl*4; |
4010 |
+ |
4011 |
+ /* Remove any debris in the socket control block */ |
4012 |
+diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c |
4013 |
+index a32a0f4cc138..87fe44197aa1 100644 |
4014 |
+--- a/net/ipv4/tcp.c |
4015 |
++++ b/net/ipv4/tcp.c |
4016 |
+@@ -1186,7 +1186,7 @@ int tcp_sendmsg_locked(struct sock *sk, struct msghdr *msg, size_t size) |
4017 |
+ flags = msg->msg_flags; |
4018 |
+ |
4019 |
+ if (flags & MSG_ZEROCOPY && size && sock_flag(sk, SOCK_ZEROCOPY)) { |
4020 |
+- if (sk->sk_state != TCP_ESTABLISHED) { |
4021 |
++ if ((1 << sk->sk_state) & ~(TCPF_ESTABLISHED | TCPF_CLOSE_WAIT)) { |
4022 |
+ err = -EINVAL; |
4023 |
+ goto out_err; |
4024 |
+ } |
4025 |
+diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c |
4026 |
+index f8183fdce5b2..e45a5e19e509 100644 |
4027 |
+--- a/net/ipv4/udp.c |
4028 |
++++ b/net/ipv4/udp.c |
4029 |
+@@ -785,15 +785,23 @@ static int udp_send_skb(struct sk_buff *skb, struct flowi4 *fl4, |
4030 |
+ const int hlen = skb_network_header_len(skb) + |
4031 |
+ sizeof(struct udphdr); |
4032 |
+ |
4033 |
+- if (hlen + cork->gso_size > cork->fragsize) |
4034 |
++ if (hlen + cork->gso_size > cork->fragsize) { |
4035 |
++ kfree_skb(skb); |
4036 |
+ return -EINVAL; |
4037 |
+- if (skb->len > cork->gso_size * UDP_MAX_SEGMENTS) |
4038 |
++ } |
4039 |
++ if (skb->len > cork->gso_size * UDP_MAX_SEGMENTS) { |
4040 |
++ kfree_skb(skb); |
4041 |
+ return -EINVAL; |
4042 |
+- if (sk->sk_no_check_tx) |
4043 |
++ } |
4044 |
++ if (sk->sk_no_check_tx) { |
4045 |
++ kfree_skb(skb); |
4046 |
+ return -EINVAL; |
4047 |
++ } |
4048 |
+ if (skb->ip_summed != CHECKSUM_PARTIAL || is_udplite || |
4049 |
+- dst_xfrm(skb_dst(skb))) |
4050 |
++ dst_xfrm(skb_dst(skb))) { |
4051 |
++ kfree_skb(skb); |
4052 |
+ return -EIO; |
4053 |
++ } |
4054 |
+ |
4055 |
+ skb_shinfo(skb)->gso_size = cork->gso_size; |
4056 |
+ skb_shinfo(skb)->gso_type = SKB_GSO_UDP_L4; |
4057 |
+diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c |
4058 |
+index c270726b01b0..345e6839f031 100644 |
4059 |
+--- a/net/ipv6/ip6_gre.c |
4060 |
++++ b/net/ipv6/ip6_gre.c |
4061 |
+@@ -938,6 +938,7 @@ static netdev_tx_t ip6erspan_tunnel_xmit(struct sk_buff *skb, |
4062 |
+ __u8 dsfield = false; |
4063 |
+ struct flowi6 fl6; |
4064 |
+ int err = -EINVAL; |
4065 |
++ __be16 proto; |
4066 |
+ __u32 mtu; |
4067 |
+ int nhoff; |
4068 |
+ int thoff; |
4069 |
+@@ -1051,8 +1052,9 @@ static netdev_tx_t ip6erspan_tunnel_xmit(struct sk_buff *skb, |
4070 |
+ } |
4071 |
+ |
4072 |
+ /* Push GRE header. */ |
4073 |
+- gre_build_header(skb, 8, TUNNEL_SEQ, |
4074 |
+- htons(ETH_P_ERSPAN), 0, htonl(t->o_seqno++)); |
4075 |
++ proto = (t->parms.erspan_ver == 1) ? htons(ETH_P_ERSPAN) |
4076 |
++ : htons(ETH_P_ERSPAN2); |
4077 |
++ gre_build_header(skb, 8, TUNNEL_SEQ, proto, 0, htonl(t->o_seqno++)); |
4078 |
+ |
4079 |
+ /* TooBig packet may have updated dst->dev's mtu */ |
4080 |
+ if (!t->parms.collect_md && dst && dst_mtu(dst) > dst->dev->mtu) |
4081 |
+@@ -1185,6 +1187,10 @@ static void ip6gre_tnl_copy_tnl_parm(struct ip6_tnl *t, |
4082 |
+ t->parms.i_flags = p->i_flags; |
4083 |
+ t->parms.o_flags = p->o_flags; |
4084 |
+ t->parms.fwmark = p->fwmark; |
4085 |
++ t->parms.erspan_ver = p->erspan_ver; |
4086 |
++ t->parms.index = p->index; |
4087 |
++ t->parms.dir = p->dir; |
4088 |
++ t->parms.hwid = p->hwid; |
4089 |
+ dst_cache_reset(&t->dst_cache); |
4090 |
+ } |
4091 |
+ |
4092 |
+@@ -2047,9 +2053,9 @@ static int ip6gre_changelink(struct net_device *dev, struct nlattr *tb[], |
4093 |
+ struct nlattr *data[], |
4094 |
+ struct netlink_ext_ack *extack) |
4095 |
+ { |
4096 |
+- struct ip6gre_net *ign = net_generic(dev_net(dev), ip6gre_net_id); |
4097 |
++ struct ip6_tnl *t = netdev_priv(dev); |
4098 |
++ struct ip6gre_net *ign = net_generic(t->net, ip6gre_net_id); |
4099 |
+ struct __ip6_tnl_parm p; |
4100 |
+- struct ip6_tnl *t; |
4101 |
+ |
4102 |
+ t = ip6gre_changelink_common(dev, tb, data, &p, extack); |
4103 |
+ if (IS_ERR(t)) |
4104 |
+diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c |
4105 |
+index b36694b6716e..76ba2f34ef6b 100644 |
4106 |
+--- a/net/ipv6/udp.c |
4107 |
++++ b/net/ipv6/udp.c |
4108 |
+@@ -1056,15 +1056,23 @@ static int udp_v6_send_skb(struct sk_buff *skb, struct flowi6 *fl6, |
4109 |
+ const int hlen = skb_network_header_len(skb) + |
4110 |
+ sizeof(struct udphdr); |
4111 |
+ |
4112 |
+- if (hlen + cork->gso_size > cork->fragsize) |
4113 |
++ if (hlen + cork->gso_size > cork->fragsize) { |
4114 |
++ kfree_skb(skb); |
4115 |
+ return -EINVAL; |
4116 |
+- if (skb->len > cork->gso_size * UDP_MAX_SEGMENTS) |
4117 |
++ } |
4118 |
++ if (skb->len > cork->gso_size * UDP_MAX_SEGMENTS) { |
4119 |
++ kfree_skb(skb); |
4120 |
+ return -EINVAL; |
4121 |
+- if (udp_sk(sk)->no_check6_tx) |
4122 |
++ } |
4123 |
++ if (udp_sk(sk)->no_check6_tx) { |
4124 |
++ kfree_skb(skb); |
4125 |
+ return -EINVAL; |
4126 |
++ } |
4127 |
+ if (skb->ip_summed != CHECKSUM_PARTIAL || is_udplite || |
4128 |
+- dst_xfrm(skb_dst(skb))) |
4129 |
++ dst_xfrm(skb_dst(skb))) { |
4130 |
++ kfree_skb(skb); |
4131 |
+ return -EIO; |
4132 |
++ } |
4133 |
+ |
4134 |
+ skb_shinfo(skb)->gso_size = cork->gso_size; |
4135 |
+ skb_shinfo(skb)->gso_type = SKB_GSO_UDP_L4; |
4136 |
+diff --git a/net/openvswitch/flow_netlink.c b/net/openvswitch/flow_netlink.c |
4137 |
+index 865ecef68196..c7b6010b2c09 100644 |
4138 |
+--- a/net/openvswitch/flow_netlink.c |
4139 |
++++ b/net/openvswitch/flow_netlink.c |
4140 |
+@@ -500,7 +500,7 @@ static int __parse_flow_nlattrs(const struct nlattr *attr, |
4141 |
+ return -EINVAL; |
4142 |
+ } |
4143 |
+ |
4144 |
+- if (!nz || !is_all_zero(nla_data(nla), expected_len)) { |
4145 |
++ if (!nz || !is_all_zero(nla_data(nla), nla_len(nla))) { |
4146 |
+ attrs |= 1 << type; |
4147 |
+ a[type] = nla; |
4148 |
+ } |
4149 |
+diff --git a/net/sched/act_tunnel_key.c b/net/sched/act_tunnel_key.c |
4150 |
+index 681f6f04e7da..0f6601fdf889 100644 |
4151 |
+--- a/net/sched/act_tunnel_key.c |
4152 |
++++ b/net/sched/act_tunnel_key.c |
4153 |
+@@ -197,6 +197,15 @@ static const struct nla_policy tunnel_key_policy[TCA_TUNNEL_KEY_MAX + 1] = { |
4154 |
+ [TCA_TUNNEL_KEY_ENC_TTL] = { .type = NLA_U8 }, |
4155 |
+ }; |
4156 |
+ |
4157 |
++static void tunnel_key_release_params(struct tcf_tunnel_key_params *p) |
4158 |
++{ |
4159 |
++ if (!p) |
4160 |
++ return; |
4161 |
++ if (p->tcft_action == TCA_TUNNEL_KEY_ACT_SET) |
4162 |
++ dst_release(&p->tcft_enc_metadata->dst); |
4163 |
++ kfree_rcu(p, rcu); |
4164 |
++} |
4165 |
++ |
4166 |
+ static int tunnel_key_init(struct net *net, struct nlattr *nla, |
4167 |
+ struct nlattr *est, struct tc_action **a, |
4168 |
+ int ovr, int bind, bool rtnl_held, |
4169 |
+@@ -360,8 +369,7 @@ static int tunnel_key_init(struct net *net, struct nlattr *nla, |
4170 |
+ rcu_swap_protected(t->params, params_new, |
4171 |
+ lockdep_is_held(&t->tcf_lock)); |
4172 |
+ spin_unlock_bh(&t->tcf_lock); |
4173 |
+- if (params_new) |
4174 |
+- kfree_rcu(params_new, rcu); |
4175 |
++ tunnel_key_release_params(params_new); |
4176 |
+ |
4177 |
+ if (ret == ACT_P_CREATED) |
4178 |
+ tcf_idr_insert(tn, *a); |
4179 |
+@@ -385,12 +393,7 @@ static void tunnel_key_release(struct tc_action *a) |
4180 |
+ struct tcf_tunnel_key_params *params; |
4181 |
+ |
4182 |
+ params = rcu_dereference_protected(t->params, 1); |
4183 |
+- if (params) { |
4184 |
+- if (params->tcft_action == TCA_TUNNEL_KEY_ACT_SET) |
4185 |
+- dst_release(¶ms->tcft_enc_metadata->dst); |
4186 |
+- |
4187 |
+- kfree_rcu(params, rcu); |
4188 |
+- } |
4189 |
++ tunnel_key_release_params(params); |
4190 |
+ } |
4191 |
+ |
4192 |
+ static int tunnel_key_geneve_opts_dump(struct sk_buff *skb, |
4193 |
+diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c |
4194 |
+index 70f144ac5e1d..2167c6ca55e3 100644 |
4195 |
+--- a/net/sched/cls_api.c |
4196 |
++++ b/net/sched/cls_api.c |
4197 |
+@@ -960,7 +960,6 @@ static int tcf_block_cb_call(struct tcf_block *block, enum tc_setup_type type, |
4198 |
+ int tcf_classify(struct sk_buff *skb, const struct tcf_proto *tp, |
4199 |
+ struct tcf_result *res, bool compat_mode) |
4200 |
+ { |
4201 |
+- __be16 protocol = tc_skb_protocol(skb); |
4202 |
+ #ifdef CONFIG_NET_CLS_ACT |
4203 |
+ const int max_reclassify_loop = 4; |
4204 |
+ const struct tcf_proto *orig_tp = tp; |
4205 |
+@@ -970,6 +969,7 @@ int tcf_classify(struct sk_buff *skb, const struct tcf_proto *tp, |
4206 |
+ reclassify: |
4207 |
+ #endif |
4208 |
+ for (; tp; tp = rcu_dereference_bh(tp->next)) { |
4209 |
++ __be16 protocol = tc_skb_protocol(skb); |
4210 |
+ int err; |
4211 |
+ |
4212 |
+ if (tp->protocol != protocol && |
4213 |
+@@ -1002,7 +1002,6 @@ reset: |
4214 |
+ } |
4215 |
+ |
4216 |
+ tp = first_tp; |
4217 |
+- protocol = tc_skb_protocol(skb); |
4218 |
+ goto reclassify; |
4219 |
+ #endif |
4220 |
+ } |
4221 |
+diff --git a/net/sched/cls_flower.c b/net/sched/cls_flower.c |
4222 |
+index 7fade7107f95..84893bc67531 100644 |
4223 |
+--- a/net/sched/cls_flower.c |
4224 |
++++ b/net/sched/cls_flower.c |
4225 |
+@@ -1176,17 +1176,23 @@ static int fl_change(struct net *net, struct sk_buff *in_skb, |
4226 |
+ struct cls_fl_head *head = rtnl_dereference(tp->root); |
4227 |
+ struct cls_fl_filter *fold = *arg; |
4228 |
+ struct cls_fl_filter *fnew; |
4229 |
++ struct fl_flow_mask *mask; |
4230 |
+ struct nlattr **tb; |
4231 |
+- struct fl_flow_mask mask = {}; |
4232 |
+ int err; |
4233 |
+ |
4234 |
+ if (!tca[TCA_OPTIONS]) |
4235 |
+ return -EINVAL; |
4236 |
+ |
4237 |
+- tb = kcalloc(TCA_FLOWER_MAX + 1, sizeof(struct nlattr *), GFP_KERNEL); |
4238 |
+- if (!tb) |
4239 |
++ mask = kzalloc(sizeof(struct fl_flow_mask), GFP_KERNEL); |
4240 |
++ if (!mask) |
4241 |
+ return -ENOBUFS; |
4242 |
+ |
4243 |
++ tb = kcalloc(TCA_FLOWER_MAX + 1, sizeof(struct nlattr *), GFP_KERNEL); |
4244 |
++ if (!tb) { |
4245 |
++ err = -ENOBUFS; |
4246 |
++ goto errout_mask_alloc; |
4247 |
++ } |
4248 |
++ |
4249 |
+ err = nla_parse_nested(tb, TCA_FLOWER_MAX, tca[TCA_OPTIONS], |
4250 |
+ fl_policy, NULL); |
4251 |
+ if (err < 0) |
4252 |
+@@ -1229,12 +1235,12 @@ static int fl_change(struct net *net, struct sk_buff *in_skb, |
4253 |
+ } |
4254 |
+ } |
4255 |
+ |
4256 |
+- err = fl_set_parms(net, tp, fnew, &mask, base, tb, tca[TCA_RATE], ovr, |
4257 |
++ err = fl_set_parms(net, tp, fnew, mask, base, tb, tca[TCA_RATE], ovr, |
4258 |
+ tp->chain->tmplt_priv, extack); |
4259 |
+ if (err) |
4260 |
+ goto errout_idr; |
4261 |
+ |
4262 |
+- err = fl_check_assign_mask(head, fnew, fold, &mask); |
4263 |
++ err = fl_check_assign_mask(head, fnew, fold, mask); |
4264 |
+ if (err) |
4265 |
+ goto errout_idr; |
4266 |
+ |
4267 |
+@@ -1281,6 +1287,7 @@ static int fl_change(struct net *net, struct sk_buff *in_skb, |
4268 |
+ } |
4269 |
+ |
4270 |
+ kfree(tb); |
4271 |
++ kfree(mask); |
4272 |
+ return 0; |
4273 |
+ |
4274 |
+ errout_mask: |
4275 |
+@@ -1294,6 +1301,8 @@ errout: |
4276 |
+ kfree(fnew); |
4277 |
+ errout_tb: |
4278 |
+ kfree(tb); |
4279 |
++errout_mask_alloc: |
4280 |
++ kfree(mask); |
4281 |
+ return err; |
4282 |
+ } |
4283 |
+ |
4284 |
+diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c |
4285 |
+index f9176e3b4d37..31a84a5a1338 100644 |
4286 |
+--- a/sound/pci/hda/patch_conexant.c |
4287 |
++++ b/sound/pci/hda/patch_conexant.c |
4288 |
+@@ -931,6 +931,7 @@ static const struct snd_pci_quirk cxt5066_fixups[] = { |
4289 |
+ SND_PCI_QUIRK(0x103c, 0x814f, "HP ZBook 15u G3", CXT_FIXUP_MUTE_LED_GPIO), |
4290 |
+ SND_PCI_QUIRK(0x103c, 0x822e, "HP ProBook 440 G4", CXT_FIXUP_MUTE_LED_GPIO), |
4291 |
+ SND_PCI_QUIRK(0x103c, 0x836e, "HP ProBook 455 G5", CXT_FIXUP_MUTE_LED_GPIO), |
4292 |
++ SND_PCI_QUIRK(0x103c, 0x837f, "HP ProBook 470 G5", CXT_FIXUP_MUTE_LED_GPIO), |
4293 |
+ SND_PCI_QUIRK(0x103c, 0x8299, "HP 800 G3 SFF", CXT_FIXUP_HP_MIC_NO_PRESENCE), |
4294 |
+ SND_PCI_QUIRK(0x103c, 0x829a, "HP 800 G3 DM", CXT_FIXUP_HP_MIC_NO_PRESENCE), |
4295 |
+ SND_PCI_QUIRK(0x103c, 0x8455, "HP Z2 G4", CXT_FIXUP_HP_MIC_NO_PRESENCE), |
4296 |
+diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c |
4297 |
+index 8b9f2487969b..f39f34e12fb6 100644 |
4298 |
+--- a/sound/pci/hda/patch_realtek.c |
4299 |
++++ b/sound/pci/hda/patch_realtek.c |
4300 |
+@@ -6842,7 +6842,7 @@ static const struct hda_model_fixup alc269_fixup_models[] = { |
4301 |
+ {.id = ALC293_FIXUP_LENOVO_SPK_NOISE, .name = "lenovo-spk-noise"}, |
4302 |
+ {.id = ALC233_FIXUP_LENOVO_LINE2_MIC_HOTKEY, .name = "lenovo-hotkey"}, |
4303 |
+ {.id = ALC255_FIXUP_DELL_SPK_NOISE, .name = "dell-spk-noise"}, |
4304 |
+- {.id = ALC225_FIXUP_DELL1_MIC_NO_PRESENCE, .name = "alc255-dell1"}, |
4305 |
++ {.id = ALC225_FIXUP_DELL1_MIC_NO_PRESENCE, .name = "alc225-dell1"}, |
4306 |
+ {.id = ALC295_FIXUP_DISABLE_DAC3, .name = "alc295-disable-dac3"}, |
4307 |
+ {.id = ALC280_FIXUP_HP_HEADSET_MIC, .name = "alc280-hp-headset"}, |
4308 |
+ {.id = ALC221_FIXUP_HP_FRONT_MIC, .name = "alc221-hp-mic"}, |
4309 |
+diff --git a/sound/soc/codecs/rt5514-spi.c b/sound/soc/codecs/rt5514-spi.c |
4310 |
+index 6478d10c4f4a..cdb1f40009ab 100644 |
4311 |
+--- a/sound/soc/codecs/rt5514-spi.c |
4312 |
++++ b/sound/soc/codecs/rt5514-spi.c |
4313 |
+@@ -278,6 +278,8 @@ static int rt5514_spi_pcm_probe(struct snd_soc_component *component) |
4314 |
+ |
4315 |
+ rt5514_dsp = devm_kzalloc(component->dev, sizeof(*rt5514_dsp), |
4316 |
+ GFP_KERNEL); |
4317 |
++ if (!rt5514_dsp) |
4318 |
++ return -ENOMEM; |
4319 |
+ |
4320 |
+ rt5514_dsp->dev = &rt5514_spi->dev; |
4321 |
+ mutex_init(&rt5514_dsp->dma_lock); |
4322 |
+diff --git a/sound/soc/codecs/tlv320aic32x4.c b/sound/soc/codecs/tlv320aic32x4.c |
4323 |
+index e2b5a11b16d1..f03195d2ab2e 100644 |
4324 |
+--- a/sound/soc/codecs/tlv320aic32x4.c |
4325 |
++++ b/sound/soc/codecs/tlv320aic32x4.c |
4326 |
+@@ -822,6 +822,10 @@ static int aic32x4_set_bias_level(struct snd_soc_component *component, |
4327 |
+ case SND_SOC_BIAS_PREPARE: |
4328 |
+ break; |
4329 |
+ case SND_SOC_BIAS_STANDBY: |
4330 |
++ /* Initial cold start */ |
4331 |
++ if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) |
4332 |
++ break; |
4333 |
++ |
4334 |
+ /* Switch off BCLK_N Divider */ |
4335 |
+ snd_soc_component_update_bits(component, AIC32X4_BCLKN, |
4336 |
+ AIC32X4_BCLKEN, 0); |
4337 |
+diff --git a/sound/soc/intel/atom/sst-mfld-platform-pcm.c b/sound/soc/intel/atom/sst-mfld-platform-pcm.c |
4338 |
+index 6c36da560877..e662400873ec 100644 |
4339 |
+--- a/sound/soc/intel/atom/sst-mfld-platform-pcm.c |
4340 |
++++ b/sound/soc/intel/atom/sst-mfld-platform-pcm.c |
4341 |
+@@ -399,7 +399,13 @@ static int sst_media_hw_params(struct snd_pcm_substream *substream, |
4342 |
+ struct snd_pcm_hw_params *params, |
4343 |
+ struct snd_soc_dai *dai) |
4344 |
+ { |
4345 |
+- snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(params)); |
4346 |
++ int ret; |
4347 |
++ |
4348 |
++ ret = |
4349 |
++ snd_pcm_lib_malloc_pages(substream, |
4350 |
++ params_buffer_bytes(params)); |
4351 |
++ if (ret) |
4352 |
++ return ret; |
4353 |
+ memset(substream->runtime->dma_area, 0, params_buffer_bytes(params)); |
4354 |
+ return 0; |
4355 |
+ } |
4356 |
+diff --git a/tools/testing/selftests/x86/protection_keys.c b/tools/testing/selftests/x86/protection_keys.c |
4357 |
+index 460b4bdf4c1e..5d546dcdbc80 100644 |
4358 |
+--- a/tools/testing/selftests/x86/protection_keys.c |
4359 |
++++ b/tools/testing/selftests/x86/protection_keys.c |
4360 |
+@@ -1133,6 +1133,21 @@ void test_pkey_syscalls_bad_args(int *ptr, u16 pkey) |
4361 |
+ pkey_assert(err); |
4362 |
+ } |
4363 |
+ |
4364 |
++void become_child(void) |
4365 |
++{ |
4366 |
++ pid_t forkret; |
4367 |
++ |
4368 |
++ forkret = fork(); |
4369 |
++ pkey_assert(forkret >= 0); |
4370 |
++ dprintf3("[%d] fork() ret: %d\n", getpid(), forkret); |
4371 |
++ |
4372 |
++ if (!forkret) { |
4373 |
++ /* in the child */ |
4374 |
++ return; |
4375 |
++ } |
4376 |
++ exit(0); |
4377 |
++} |
4378 |
++ |
4379 |
+ /* Assumes that all pkeys other than 'pkey' are unallocated */ |
4380 |
+ void test_pkey_alloc_exhaust(int *ptr, u16 pkey) |
4381 |
+ { |
4382 |
+@@ -1141,7 +1156,7 @@ void test_pkey_alloc_exhaust(int *ptr, u16 pkey) |
4383 |
+ int nr_allocated_pkeys = 0; |
4384 |
+ int i; |
4385 |
+ |
4386 |
+- for (i = 0; i < NR_PKEYS*2; i++) { |
4387 |
++ for (i = 0; i < NR_PKEYS*3; i++) { |
4388 |
+ int new_pkey; |
4389 |
+ dprintf1("%s() alloc loop: %d\n", __func__, i); |
4390 |
+ new_pkey = alloc_pkey(); |
4391 |
+@@ -1152,20 +1167,26 @@ void test_pkey_alloc_exhaust(int *ptr, u16 pkey) |
4392 |
+ if ((new_pkey == -1) && (errno == ENOSPC)) { |
4393 |
+ dprintf2("%s() failed to allocate pkey after %d tries\n", |
4394 |
+ __func__, nr_allocated_pkeys); |
4395 |
+- break; |
4396 |
++ } else { |
4397 |
++ /* |
4398 |
++ * Ensure the number of successes never |
4399 |
++ * exceeds the number of keys supported |
4400 |
++ * in the hardware. |
4401 |
++ */ |
4402 |
++ pkey_assert(nr_allocated_pkeys < NR_PKEYS); |
4403 |
++ allocated_pkeys[nr_allocated_pkeys++] = new_pkey; |
4404 |
+ } |
4405 |
+- pkey_assert(nr_allocated_pkeys < NR_PKEYS); |
4406 |
+- allocated_pkeys[nr_allocated_pkeys++] = new_pkey; |
4407 |
++ |
4408 |
++ /* |
4409 |
++ * Make sure that allocation state is properly |
4410 |
++ * preserved across fork(). |
4411 |
++ */ |
4412 |
++ if (i == NR_PKEYS*2) |
4413 |
++ become_child(); |
4414 |
+ } |
4415 |
+ |
4416 |
+ dprintf3("%s()::%d\n", __func__, __LINE__); |
4417 |
+ |
4418 |
+- /* |
4419 |
+- * ensure it did not reach the end of the loop without |
4420 |
+- * failure: |
4421 |
+- */ |
4422 |
+- pkey_assert(i < NR_PKEYS*2); |
4423 |
+- |
4424 |
+ /* |
4425 |
+ * There are 16 pkeys supported in hardware. Three are |
4426 |
+ * allocated by the time we get here: |