[gentoo-commits] proj/linux-patches:4.4 commit in: /

[Mike Pagano]

commit:     524ee762db47f717daad569c3dc7a9bf00eb91aa
Author:     Mike Pagano <mpagano <AT> gentoo <DOT> org>
AuthorDate: Wed Dec  2 12:17:36 2020 +0000
Commit:     Mike Pagano <mpagano <AT> gentoo <DOT> org>
CommitDate: Wed Dec  2 12:17:36 2020 +0000
URL:        https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=524ee762

Linux patch 4.4.247

Signed-off-by: Mike Pagano <mpagano <AT> gentoo.org>

 0000_README              |   4 +
 1246_linux-4.4.247.patch | 814 +++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 818 insertions(+)

diff --git a/0000_README b/0000_README
index 4d2691c..87e6840 100644
--- a/0000_README
+++ b/0000_README
@@ -1027,6 +1027,10 @@ Patch:  1245_linux-4.4.246.patch
 From:   http://www.kernel.org
 Desc:   Linux 4.4.246
 
+Patch:  1246_linux-4.4.247.patch
+From:   http://www.kernel.org
+Desc:   Linux 4.4.247
+
 Patch:  1500_XATTR_USER_PREFIX.patch
 From:   https://bugs.gentoo.org/show_bug.cgi?id=470644
 Desc:   Support for namespace user.pax.* on tmpfs.

diff --git a/1246_linux-4.4.247.patch b/1246_linux-4.4.247.patch
new file mode 100644
index 0000000..75ce3fb
--- /dev/null
+++ b/1246_linux-4.4.247.patch
@@ -0,0 +1,814 @@
+diff --git a/Makefile b/Makefile
+index c42ada4e88466..c493d3ae046f6 100644
+--- a/Makefile
++++ b/Makefile
+@@ -1,6 +1,6 @@
+ VERSION = 4
+ PATCHLEVEL = 4
+-SUBLEVEL = 246
++SUBLEVEL = 247
+ EXTRAVERSION =
+ NAME = Blurry Fish Butt
+ 
+diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c
+index 2c9a2992863b0..ffc3bc8111b80 100644
+--- a/arch/x86/kernel/cpu/bugs.c
++++ b/arch/x86/kernel/cpu/bugs.c
+@@ -707,11 +707,13 @@ spectre_v2_user_select_mitigation(enum spectre_v2_mitigation_cmd v2_cmd)
+ 	if (boot_cpu_has(X86_FEATURE_IBPB)) {
+ 		setup_force_cpu_cap(X86_FEATURE_USE_IBPB);
+ 
++		spectre_v2_user_ibpb = mode;
+ 		switch (cmd) {
+ 		case SPECTRE_V2_USER_CMD_FORCE:
+ 		case SPECTRE_V2_USER_CMD_PRCTL_IBPB:
+ 		case SPECTRE_V2_USER_CMD_SECCOMP_IBPB:
+ 			static_branch_enable(&switch_mm_always_ibpb);
++			spectre_v2_user_ibpb = SPECTRE_V2_USER_STRICT;
+ 			break;
+ 		case SPECTRE_V2_USER_CMD_PRCTL:
+ 		case SPECTRE_V2_USER_CMD_AUTO:
+@@ -725,8 +727,6 @@ spectre_v2_user_select_mitigation(enum spectre_v2_mitigation_cmd v2_cmd)
+ 		pr_info("mitigation: Enabling %s Indirect Branch Prediction Barrier\n",
+ 			static_key_enabled(&switch_mm_always_ibpb) ?
+ 			"always-on" : "conditional");
+-
+-		spectre_v2_user_ibpb = mode;
+ 	}
+ 
+ 	/*
+diff --git a/arch/x86/xen/spinlock.c b/arch/x86/xen/spinlock.c
+index 85872a08994a1..e9fc0f7df0da8 100644
+--- a/arch/x86/xen/spinlock.c
++++ b/arch/x86/xen/spinlock.c
+@@ -301,10 +301,20 @@ void xen_init_lock_cpu(int cpu)
+ 
+ void xen_uninit_lock_cpu(int cpu)
+ {
++	int irq;
++
+ 	if (!xen_pvspin)
+ 		return;
+ 
+-	unbind_from_irqhandler(per_cpu(lock_kicker_irq, cpu), NULL);
++	/*
++	 * When booting the kernel with 'mitigations=auto,nosmt', the secondary
++	 * CPUs are not activated, and lock_kicker_irq is not initialized.
++	 */
++	irq = per_cpu(lock_kicker_irq, cpu);
++	if (irq == -1)
++		return;
++
++	unbind_from_irqhandler(irq, NULL);
+ 	per_cpu(lock_kicker_irq, cpu) = -1;
+ 	kfree(per_cpu(irq_name, cpu));
+ 	per_cpu(irq_name, cpu) = NULL;
+diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c
+index 9aa57b37381a9..7f66ae1945b24 100644
+--- a/drivers/dma/pl330.c
++++ b/drivers/dma/pl330.c
+@@ -2634,7 +2634,7 @@ pl330_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dst,
+ 	 * If burst size is smaller than bus width then make sure we only
+ 	 * transfer one at a time to avoid a burst stradling an MFIFO entry.
+ 	 */
+-	if (desc->rqcfg.brst_size * 8 < pl330->pcfg.data_bus_width)
++	if (burst * 8 < pl330->pcfg.data_bus_width)
+ 		desc->rqcfg.brst_len = 1;
+ 
+ 	desc->bytes_requested = len;
+diff --git a/drivers/hid/hid-cypress.c b/drivers/hid/hid-cypress.c
+index 1689568b597d4..12c5d7c96527a 100644
+--- a/drivers/hid/hid-cypress.c
++++ b/drivers/hid/hid-cypress.c
+@@ -26,19 +26,17 @@
+ #define CP_2WHEEL_MOUSE_HACK		0x02
+ #define CP_2WHEEL_MOUSE_HACK_ON		0x04
+ 
++#define VA_INVAL_LOGICAL_BOUNDARY	0x08
++
+ /*
+  * Some USB barcode readers from cypress have usage min and usage max in
+  * the wrong order
+  */
+-static __u8 *cp_report_fixup(struct hid_device *hdev, __u8 *rdesc,
++static __u8 *cp_rdesc_fixup(struct hid_device *hdev, __u8 *rdesc,
+ 		unsigned int *rsize)
+ {
+-	unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);
+ 	unsigned int i;
+ 
+-	if (!(quirks & CP_RDESC_SWAPPED_MIN_MAX))
+-		return rdesc;
+-
+ 	if (*rsize < 4)
+ 		return rdesc;
+ 
+@@ -51,6 +49,40 @@ static __u8 *cp_report_fixup(struct hid_device *hdev, __u8 *rdesc,
+ 	return rdesc;
+ }
+ 
++static __u8 *va_logical_boundary_fixup(struct hid_device *hdev, __u8 *rdesc,
++		unsigned int *rsize)
++{
++	/*
++	 * Varmilo VA104M (with VID Cypress and device ID 07B1) incorrectly
++	 * reports Logical Minimum of its Consumer Control device as 572
++	 * (0x02 0x3c). Fix this by setting its Logical Minimum to zero.
++	 */
++	if (*rsize == 25 &&
++			rdesc[0] == 0x05 && rdesc[1] == 0x0c &&
++			rdesc[2] == 0x09 && rdesc[3] == 0x01 &&
++			rdesc[6] == 0x19 && rdesc[7] == 0x00 &&
++			rdesc[11] == 0x16 && rdesc[12] == 0x3c && rdesc[13] == 0x02) {
++		hid_info(hdev,
++			 "fixing up varmilo VA104M consumer control report descriptor\n");
++		rdesc[12] = 0x00;
++		rdesc[13] = 0x00;
++	}
++	return rdesc;
++}
++
++static __u8 *cp_report_fixup(struct hid_device *hdev, __u8 *rdesc,
++		unsigned int *rsize)
++{
++	unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);
++
++	if (quirks & CP_RDESC_SWAPPED_MIN_MAX)
++		rdesc = cp_rdesc_fixup(hdev, rdesc, rsize);
++	if (quirks & VA_INVAL_LOGICAL_BOUNDARY)
++		rdesc = va_logical_boundary_fixup(hdev, rdesc, rsize);
++
++	return rdesc;
++}
++
+ static int cp_input_mapped(struct hid_device *hdev, struct hid_input *hi,
+ 		struct hid_field *field, struct hid_usage *usage,
+ 		unsigned long **bit, int *max)
+@@ -131,6 +163,8 @@ static const struct hid_device_id cp_devices[] = {
+ 		.driver_data = CP_RDESC_SWAPPED_MIN_MAX },
+ 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE),
+ 		.driver_data = CP_2WHEEL_MOUSE_HACK },
++	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_VARMILO_VA104M_07B1),
++		.driver_data = VA_INVAL_LOGICAL_BOUNDARY },
+ 	{ }
+ };
+ MODULE_DEVICE_TABLE(hid, cp_devices);
+diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
+index 33d2b5948d7fc..773452c6edfab 100644
+--- a/drivers/hid/hid-ids.h
++++ b/drivers/hid/hid-ids.h
+@@ -279,6 +279,8 @@
+ #define USB_DEVICE_ID_CYPRESS_BARCODE_4	0xed81
+ #define USB_DEVICE_ID_CYPRESS_TRUETOUCH	0xc001
+ 
++#define USB_DEVICE_ID_CYPRESS_VARMILO_VA104M_07B1   0X07b1
++
+ #define USB_VENDOR_ID_DATA_MODUL	0x7374
+ #define USB_VENDOR_ID_DATA_MODUL_EASYMAXTOUCH	0x1201
+ 
+diff --git a/drivers/hid/hid-sensor-hub.c b/drivers/hid/hid-sensor-hub.c
+index 8efaa88329aa3..83e45d5801a98 100644
+--- a/drivers/hid/hid-sensor-hub.c
++++ b/drivers/hid/hid-sensor-hub.c
+@@ -473,7 +473,8 @@ static int sensor_hub_raw_event(struct hid_device *hdev,
+ 		return 1;
+ 
+ 	ptr = raw_data;
+-	ptr++; /* Skip report id */
++	if (report->id)
++		ptr++; /* Skip report id */
+ 
+ 	spin_lock_irqsave(&pdata->lock, flags);
+ 
+diff --git a/drivers/infiniband/hw/mthca/mthca_cq.c b/drivers/infiniband/hw/mthca/mthca_cq.c
+index 40ba833381557..59e1f6ea2ede9 100644
+--- a/drivers/infiniband/hw/mthca/mthca_cq.c
++++ b/drivers/infiniband/hw/mthca/mthca_cq.c
+@@ -811,8 +811,10 @@ int mthca_init_cq(struct mthca_dev *dev, int nent,
+ 	}
+ 
+ 	mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL);
+-	if (IS_ERR(mailbox))
++	if (IS_ERR(mailbox)) {
++		err = PTR_ERR(mailbox);
+ 		goto err_out_arm;
++	}
+ 
+ 	cq_context = mailbox->buf;
+ 
+@@ -854,9 +856,9 @@ int mthca_init_cq(struct mthca_dev *dev, int nent,
+ 	}
+ 
+ 	spin_lock_irq(&dev->cq_table.lock);
+-	if (mthca_array_set(&dev->cq_table.cq,
+-			    cq->cqn & (dev->limits.num_cqs - 1),
+-			    cq)) {
++	err = mthca_array_set(&dev->cq_table.cq,
++			      cq->cqn & (dev->limits.num_cqs - 1), cq);
++	if (err) {
+ 		spin_unlock_irq(&dev->cq_table.lock);
+ 		goto err_out_free_mr;
+ 	}
+diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c
+index c84c685056b99..6b648339733fa 100644
+--- a/drivers/input/serio/i8042.c
++++ b/drivers/input/serio/i8042.c
+@@ -125,6 +125,7 @@ module_param_named(unmask_kbd_data, i8042_unmask_kbd_data, bool, 0600);
+ MODULE_PARM_DESC(unmask_kbd_data, "Unconditional enable (may reveal sensitive data) of normally sanitize-filtered kbd data traffic debug log [pre-condition: i8042.debug=1 enabled]");
+ #endif
+ 
++static bool i8042_present;
+ static bool i8042_bypass_aux_irq_test;
+ static char i8042_kbd_firmware_id[128];
+ static char i8042_aux_firmware_id[128];
+@@ -343,6 +344,9 @@ int i8042_command(unsigned char *param, int command)
+ 	unsigned long flags;
+ 	int retval;
+ 
++	if (!i8042_present)
++		return -1;
++
+ 	spin_lock_irqsave(&i8042_lock, flags);
+ 	retval = __i8042_command(param, command);
+ 	spin_unlock_irqrestore(&i8042_lock, flags);
+@@ -1597,12 +1601,15 @@ static int __init i8042_init(void)
+ 
+ 	err = i8042_platform_init();
+ 	if (err)
+-		return err;
++		return (err == -ENODEV) ? 0 : err;
+ 
+ 	err = i8042_controller_check();
+ 	if (err)
+ 		goto err_platform_exit;
+ 
++	/* Set this before creating the dev to allow i8042_command to work right away */
++	i8042_present = true;
++
+ 	pdev = platform_create_bundle(&i8042_driver, i8042_probe, NULL, 0, NULL, 0);
+ 	if (IS_ERR(pdev)) {
+ 		err = PTR_ERR(pdev);
+@@ -1621,6 +1628,9 @@ static int __init i8042_init(void)
+ 
+ static void __exit i8042_exit(void)
+ {
++	if (!i8042_present)
++		return;
++
+ 	platform_device_unregister(i8042_platform_device);
+ 	platform_driver_unregister(&i8042_driver);
+ 	i8042_platform_exit();
+diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+index 2da1c22946450..250ecbcca019f 100644
+--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
++++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+@@ -5198,7 +5198,8 @@ static int bnxt_init_board(struct pci_dev *pdev, struct net_device *dev)
+ 	if (dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)) != 0 &&
+ 	    dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)) != 0) {
+ 		dev_err(&pdev->dev, "System does not support DMA, aborting\n");
+-		goto init_err_disable;
++		rc = -EIO;
++		goto init_err_release;
+ 	}
+ 
+ 	pci_set_master(pdev);
+diff --git a/drivers/nfc/s3fwrn5/i2c.c b/drivers/nfc/s3fwrn5/i2c.c
+index c61d8a308da45..779f7a76ecd3d 100644
+--- a/drivers/nfc/s3fwrn5/i2c.c
++++ b/drivers/nfc/s3fwrn5/i2c.c
+@@ -37,8 +37,8 @@ struct s3fwrn5_i2c_phy {
+ 	struct i2c_client *i2c_dev;
+ 	struct nci_dev *ndev;
+ 
+-	unsigned int gpio_en;
+-	unsigned int gpio_fw_wake;
++	int gpio_en;
++	int gpio_fw_wake;
+ 
+ 	struct mutex mutex;
+ 
+diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
+index b4fbcf4cade8f..36e415487fe53 100644
+--- a/drivers/scsi/libiscsi.c
++++ b/drivers/scsi/libiscsi.c
+@@ -570,8 +570,8 @@ static void iscsi_complete_task(struct iscsi_task *task, int state)
+ 	if (conn->task == task)
+ 		conn->task = NULL;
+ 
+-	if (conn->ping_task == task)
+-		conn->ping_task = NULL;
++	if (READ_ONCE(conn->ping_task) == task)
++		WRITE_ONCE(conn->ping_task, NULL);
+ 
+ 	/* release get from queueing */
+ 	__iscsi_put_task(task);
+@@ -780,6 +780,9 @@ __iscsi_conn_send_pdu(struct iscsi_conn *conn, struct iscsi_hdr *hdr,
+ 						   task->conn->session->age);
+ 	}
+ 
++	if (unlikely(READ_ONCE(conn->ping_task) == INVALID_SCSI_TASK))
++		WRITE_ONCE(conn->ping_task, task);
++
+ 	if (!ihost->workq) {
+ 		if (iscsi_prep_mgmt_task(conn, task))
+ 			goto free_task;
+@@ -987,8 +990,11 @@ static int iscsi_send_nopout(struct iscsi_conn *conn, struct iscsi_nopin *rhdr)
+         struct iscsi_nopout hdr;
+ 	struct iscsi_task *task;
+ 
+-	if (!rhdr && conn->ping_task)
+-		return -EINVAL;
++	if (!rhdr) {
++		if (READ_ONCE(conn->ping_task))
++			return -EINVAL;
++		WRITE_ONCE(conn->ping_task, INVALID_SCSI_TASK);
++	}
+ 
+ 	memset(&hdr, 0, sizeof(struct iscsi_nopout));
+ 	hdr.opcode = ISCSI_OP_NOOP_OUT | ISCSI_OP_IMMEDIATE;
+@@ -1003,11 +1009,12 @@ static int iscsi_send_nopout(struct iscsi_conn *conn, struct iscsi_nopin *rhdr)
+ 
+ 	task = __iscsi_conn_send_pdu(conn, (struct iscsi_hdr *)&hdr, NULL, 0);
+ 	if (!task) {
++		if (!rhdr)
++			WRITE_ONCE(conn->ping_task, NULL);
+ 		iscsi_conn_printk(KERN_ERR, conn, "Could not send nopout\n");
+ 		return -EIO;
+ 	} else if (!rhdr) {
+ 		/* only track our nops */
+-		conn->ping_task = task;
+ 		conn->last_ping = jiffies;
+ 	}
+ 
+@@ -1020,7 +1027,7 @@ static int iscsi_nop_out_rsp(struct iscsi_task *task,
+ 	struct iscsi_conn *conn = task->conn;
+ 	int rc = 0;
+ 
+-	if (conn->ping_task != task) {
++	if (READ_ONCE(conn->ping_task) != task) {
+ 		/*
+ 		 * If this is not in response to one of our
+ 		 * nops then it must be from userspace.
+@@ -1960,7 +1967,7 @@ static void iscsi_start_tx(struct iscsi_conn *conn)
+  */
+ static int iscsi_has_ping_timed_out(struct iscsi_conn *conn)
+ {
+-	if (conn->ping_task &&
++	if (READ_ONCE(conn->ping_task) &&
+ 	    time_before_eq(conn->last_recv + (conn->recv_timeout * HZ) +
+ 			   (conn->ping_timeout * HZ), jiffies))
+ 		return 1;
+@@ -2095,7 +2102,7 @@ static enum blk_eh_timer_return iscsi_eh_cmd_timed_out(struct scsi_cmnd *sc)
+ 	 * Checking the transport already or nop from a cmd timeout still
+ 	 * running
+ 	 */
+-	if (conn->ping_task) {
++	if (READ_ONCE(conn->ping_task)) {
+ 		task->have_checked_conn = true;
+ 		rc = BLK_EH_RESET_TIMER;
+ 		goto done;
+diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
+index d7a0a64f64536..e37f6db0dd156 100644
+--- a/drivers/scsi/ufs/ufshcd.c
++++ b/drivers/scsi/ufs/ufshcd.c
+@@ -5387,11 +5387,7 @@ int ufshcd_shutdown(struct ufs_hba *hba)
+ 	if (ufshcd_is_ufs_dev_poweroff(hba) && ufshcd_is_link_off(hba))
+ 		goto out;
+ 
+-	if (pm_runtime_suspended(hba->dev)) {
+-		ret = ufshcd_runtime_resume(hba);
+-		if (ret)
+-			goto out;
+-	}
++	pm_runtime_get_sync(hba->dev);
+ 
+ 	ret = ufshcd_suspend(hba, UFS_SHUTDOWN_PM);
+ out:
+diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
+index cbb4414edd71b..c48aca1360c89 100644
+--- a/drivers/target/iscsi/iscsi_target.c
++++ b/drivers/target/iscsi/iscsi_target.c
+@@ -493,8 +493,7 @@ static void iscsit_aborted_task(struct iscsi_conn *conn, struct iscsi_cmd *cmd)
+ 	bool scsi_cmd = (cmd->iscsi_opcode == ISCSI_OP_SCSI_CMD);
+ 
+ 	spin_lock_bh(&conn->cmd_lock);
+-	if (!list_empty(&cmd->i_conn_node) &&
+-	    !(cmd->se_cmd.transport_state & CMD_T_FABRIC_STOP))
++	if (!list_empty(&cmd->i_conn_node))
+ 		list_del_init(&cmd->i_conn_node);
+ 	spin_unlock_bh(&conn->cmd_lock);
+ 
+@@ -4228,12 +4227,22 @@ static void iscsit_release_commands_from_conn(struct iscsi_conn *conn)
+ 	spin_lock_bh(&conn->cmd_lock);
+ 	list_splice_init(&conn->conn_cmd_list, &tmp_list);
+ 
+-	list_for_each_entry(cmd, &tmp_list, i_conn_node) {
++	list_for_each_entry_safe(cmd, cmd_tmp, &tmp_list, i_conn_node) {
+ 		struct se_cmd *se_cmd = &cmd->se_cmd;
+ 
+ 		if (se_cmd->se_tfo != NULL) {
+ 			spin_lock_irq(&se_cmd->t_state_lock);
+-			se_cmd->transport_state |= CMD_T_FABRIC_STOP;
++			if (se_cmd->transport_state & CMD_T_ABORTED) {
++				/*
++				 * LIO's abort path owns the cleanup for this,
++				 * so put it back on the list and let
++				 * aborted_task handle it.
++				 */
++				list_move_tail(&cmd->i_conn_node,
++					       &conn->conn_cmd_list);
++			} else {
++				se_cmd->transport_state |= CMD_T_FABRIC_STOP;
++			}
+ 			spin_unlock_irq(&se_cmd->t_state_lock);
+ 		}
+ 	}
+diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c
+index 570a76d912503..eca8d04cfb3ec 100644
+--- a/drivers/usb/core/config.c
++++ b/drivers/usb/core/config.c
+@@ -222,6 +222,7 @@ static int usb_parse_endpoint(struct device *ddev, int cfgno,
+ 		struct usb_host_interface *ifp, int num_ep,
+ 		unsigned char *buffer, int size)
+ {
++	struct usb_device *udev = to_usb_device(ddev);
+ 	unsigned char *buffer0 = buffer;
+ 	struct usb_endpoint_descriptor *d;
+ 	struct usb_host_endpoint *endpoint;
+@@ -263,6 +264,16 @@ static int usb_parse_endpoint(struct device *ddev, int cfgno,
+ 		goto skip_to_next_endpoint_or_interface_descriptor;
+ 	}
+ 
++	/* Ignore blacklisted endpoints */
++	if (udev->quirks & USB_QUIRK_ENDPOINT_BLACKLIST) {
++		if (usb_endpoint_is_blacklisted(udev, ifp, d)) {
++			dev_warn(ddev, "config %d interface %d altsetting %d has a blacklisted endpoint with address 0x%X, skipping\n",
++					cfgno, inum, asnum,
++					d->bEndpointAddress);
++			goto skip_to_next_endpoint_or_interface_descriptor;
++		}
++	}
++
+ 	endpoint = &ifp->endpoint[ifp->desc.bNumEndpoints];
+ 	++ifp->desc.bNumEndpoints;
+ 
+diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
+index 7559d96695da6..4c1679cc57425 100644
+--- a/drivers/usb/core/devio.c
++++ b/drivers/usb/core/devio.c
+@@ -369,11 +369,11 @@ static void snoop_urb(struct usb_device *udev,
+ 
+ 	if (userurb) {		/* Async */
+ 		if (when == SUBMIT)
+-			dev_info(&udev->dev, "userurb %pK, ep%d %s-%s, "
++			dev_info(&udev->dev, "userurb %px, ep%d %s-%s, "
+ 					"length %u\n",
+ 					userurb, ep, t, d, length);
+ 		else
+-			dev_info(&udev->dev, "userurb %pK, ep%d %s-%s, "
++			dev_info(&udev->dev, "userurb %px, ep%d %s-%s, "
+ 					"actual_length %u status %d\n",
+ 					userurb, ep, t, d, length,
+ 					timeout_or_status);
+diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
+index ca74b67c4450d..34d8cece6dd3b 100644
+--- a/drivers/usb/core/quirks.c
++++ b/drivers/usb/core/quirks.c
+@@ -195,6 +195,10 @@ static const struct usb_device_id usb_quirk_list[] = {
+ 	/* Guillemot Webcam Hercules Dualpix Exchange*/
+ 	{ USB_DEVICE(0x06f8, 0x3005), .driver_info = USB_QUIRK_RESET_RESUME },
+ 
++	/* Guillemot Hercules DJ Console audio card (BZ 208357) */
++	{ USB_DEVICE(0x06f8, 0xb000), .driver_info =
++			USB_QUIRK_ENDPOINT_BLACKLIST },
++
+ 	/* Midiman M-Audio Keystation 88es */
+ 	{ USB_DEVICE(0x0763, 0x0192), .driver_info = USB_QUIRK_RESET_RESUME },
+ 
+@@ -344,6 +348,40 @@ static const struct usb_device_id usb_amd_resume_quirk_list[] = {
+ 	{ }  /* terminating entry must be last */
+ };
+ 
++/*
++ * Entries for blacklisted endpoints that should be ignored when parsing
++ * configuration descriptors.
++ *
++ * Matched for devices with USB_QUIRK_ENDPOINT_BLACKLIST.
++ */
++static const struct usb_device_id usb_endpoint_blacklist[] = {
++	{ USB_DEVICE_INTERFACE_NUMBER(0x06f8, 0xb000, 5), .driver_info = 0x01 },
++	{ USB_DEVICE_INTERFACE_NUMBER(0x06f8, 0xb000, 5), .driver_info = 0x81 },
++	{ }
++};
++
++bool usb_endpoint_is_blacklisted(struct usb_device *udev,
++		struct usb_host_interface *intf,
++		struct usb_endpoint_descriptor *epd)
++{
++	const struct usb_device_id *id;
++	unsigned int address;
++
++	for (id = usb_endpoint_blacklist; id->match_flags; ++id) {
++		if (!usb_match_device(udev, id))
++			continue;
++
++		if (!usb_match_one_id_intf(udev, intf, id))
++			continue;
++
++		address = id->driver_info;
++		if (address == epd->bEndpointAddress)
++			return true;
++	}
++
++	return false;
++}
++
+ static bool usb_match_any_interface(struct usb_device *udev,
+ 				    const struct usb_device_id *id)
+ {
+diff --git a/drivers/usb/core/usb.h b/drivers/usb/core/usb.h
+index 6b2f115442838..462a00c749b87 100644
+--- a/drivers/usb/core/usb.h
++++ b/drivers/usb/core/usb.h
+@@ -31,6 +31,9 @@ extern void usb_deauthorize_interface(struct usb_interface *);
+ extern void usb_authorize_interface(struct usb_interface *);
+ extern void usb_detect_quirks(struct usb_device *udev);
+ extern void usb_detect_interface_quirks(struct usb_device *udev);
++extern bool usb_endpoint_is_blacklisted(struct usb_device *udev,
++		struct usb_host_interface *intf,
++		struct usb_endpoint_descriptor *epd);
+ extern int usb_remove_device(struct usb_device *udev);
+ 
+ extern int usb_get_device_descriptor(struct usb_device *dev,
+diff --git a/drivers/video/fbdev/hyperv_fb.c b/drivers/video/fbdev/hyperv_fb.c
+index e2451bdb4525d..299412abb1658 100644
+--- a/drivers/video/fbdev/hyperv_fb.c
++++ b/drivers/video/fbdev/hyperv_fb.c
+@@ -712,7 +712,12 @@ static int hvfb_getmem(struct hv_device *hdev, struct fb_info *info)
+ 		goto err1;
+ 	}
+ 
+-	fb_virt = ioremap(par->mem->start, screen_fb_size);
++	/*
++	 * Map the VRAM cacheable for performance. This is also required for
++	 * VM Connect to display properly for ARM64 Linux VM, as the host also
++	 * maps the VRAM cacheable.
++	 */
++	fb_virt = ioremap_cache(par->mem->start, screen_fb_size);
+ 	if (!fb_virt)
+ 		goto err2;
+ 
+diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
+index b1125778b9080..9e1f9910bdf2d 100644
+--- a/fs/btrfs/inode.c
++++ b/fs/btrfs/inode.c
+@@ -5370,11 +5370,13 @@ no_delete:
+ }
+ 
+ /*
+- * this returns the key found in the dir entry in the location pointer.
++ * Return the key found in the dir entry in the location pointer, fill @type
++ * with BTRFS_FT_*, and return 0.
++ *
+  * If no dir entries were found, location->objectid is 0.
+  */
+ static int btrfs_inode_by_name(struct inode *dir, struct dentry *dentry,
+-			       struct btrfs_key *location)
++			       struct btrfs_key *location, u8 *type)
+ {
+ 	const char *name = dentry->d_name.name;
+ 	int namelen = dentry->d_name.len;
+@@ -5396,6 +5398,8 @@ static int btrfs_inode_by_name(struct inode *dir, struct dentry *dentry,
+ 		goto out_err;
+ 
+ 	btrfs_dir_item_key_to_cpu(path->nodes[0], di, location);
++	if (!ret)
++		*type = btrfs_dir_type(path->nodes[0], di);
+ out:
+ 	btrfs_free_path(path);
+ 	return ret;
+@@ -5681,19 +5685,25 @@ static struct inode *new_simple_dir(struct super_block *s,
+ 	return inode;
+ }
+ 
++static inline u8 btrfs_inode_type(struct inode *inode)
++{
++	return btrfs_type_by_mode[(inode->i_mode & S_IFMT) >> S_SHIFT];
++}
++
+ struct inode *btrfs_lookup_dentry(struct inode *dir, struct dentry *dentry)
+ {
+ 	struct inode *inode;
+ 	struct btrfs_root *root = BTRFS_I(dir)->root;
+ 	struct btrfs_root *sub_root = root;
+ 	struct btrfs_key location;
++	u8 di_type = 0;
+ 	int index;
+ 	int ret = 0;
+ 
+ 	if (dentry->d_name.len > BTRFS_NAME_LEN)
+ 		return ERR_PTR(-ENAMETOOLONG);
+ 
+-	ret = btrfs_inode_by_name(dir, dentry, &location);
++	ret = btrfs_inode_by_name(dir, dentry, &location, &di_type);
+ 	if (ret < 0)
+ 		return ERR_PTR(ret);
+ 
+@@ -5702,6 +5712,18 @@ struct inode *btrfs_lookup_dentry(struct inode *dir, struct dentry *dentry)
+ 
+ 	if (location.type == BTRFS_INODE_ITEM_KEY) {
+ 		inode = btrfs_iget(dir->i_sb, &location, root, NULL);
++		if (IS_ERR(inode))
++			return inode;
++
++		/* Do extra check against inode mode with di_type */
++		if (btrfs_inode_type(inode) != di_type) {
++			btrfs_crit(root->fs_info,
++"inode mode mismatch with dir: inode mode=0%o btrfs type=%u dir type=%u",
++				  inode->i_mode, btrfs_inode_type(inode),
++				  di_type);
++			iput(inode);
++			return ERR_PTR(-EUCLEAN);
++		}
+ 		return inode;
+ 	}
+ 
+@@ -6315,11 +6337,6 @@ fail:
+ 	return ERR_PTR(ret);
+ }
+ 
+-static inline u8 btrfs_inode_type(struct inode *inode)
+-{
+-	return btrfs_type_by_mode[(inode->i_mode & S_IFMT) >> S_SHIFT];
+-}
+-
+ /*
+  * utility function to add 'inode' into 'parent_inode' with
+  * a give name and a given sequence number.
+@@ -6904,6 +6921,14 @@ again:
+ 	extent_start = found_key.offset;
+ 	if (found_type == BTRFS_FILE_EXTENT_REG ||
+ 	    found_type == BTRFS_FILE_EXTENT_PREALLOC) {
++		/* Only regular file could have regular/prealloc extent */
++		if (!S_ISREG(inode->i_mode)) {
++			ret = -EUCLEAN;
++			btrfs_crit(root->fs_info,
++		"regular/prealloc extent found for non-regular inode %llu",
++				   btrfs_ino(inode));
++			goto out;
++		}
+ 		extent_end = extent_start +
+ 		       btrfs_file_extent_num_bytes(leaf, item);
+ 	} else if (found_type == BTRFS_FILE_EXTENT_INLINE) {
+diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c
+index 734babb6626c4..18e667fbd054d 100644
+--- a/fs/btrfs/qgroup.c
++++ b/fs/btrfs/qgroup.c
+@@ -462,6 +462,7 @@ next2:
+ 			break;
+ 	}
+ out:
++	btrfs_free_path(path);
+ 	fs_info->qgroup_flags |= flags;
+ 	if (!(fs_info->qgroup_flags & BTRFS_QGROUP_STATUS_FLAG_ON)) {
+ 		fs_info->quota_enabled = 0;
+@@ -470,7 +471,6 @@ out:
+ 		   ret >= 0) {
+ 		ret = qgroup_rescan_init(fs_info, rescan_progress, 0);
+ 	}
+-	btrfs_free_path(path);
+ 
+ 	if (ret < 0) {
+ 		ulist_free(fs_info->qgroup_ulist);
+diff --git a/fs/btrfs/tests/inode-tests.c b/fs/btrfs/tests/inode-tests.c
+index 054fc0d97131b..5ff676df698f0 100644
+--- a/fs/btrfs/tests/inode-tests.c
++++ b/fs/btrfs/tests/inode-tests.c
+@@ -235,6 +235,7 @@ static noinline int test_btrfs_get_extent(void)
+ 		return ret;
+ 	}
+ 
++	inode->i_mode = S_IFREG;
+ 	BTRFS_I(inode)->location.type = BTRFS_INODE_ITEM_KEY;
+ 	BTRFS_I(inode)->location.objectid = BTRFS_FIRST_FREE_OBJECTID;
+ 	BTRFS_I(inode)->location.offset = 0;
+diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
+index 2d10b818399b1..cd1e9411f9269 100644
+--- a/fs/btrfs/volumes.c
++++ b/fs/btrfs/volumes.c
+@@ -6262,6 +6262,13 @@ static int btrfs_check_chunk_valid(struct btrfs_root *root,
+ 		return -EIO;
+ 	}
+ 
++	if (!is_power_of_2(type & BTRFS_BLOCK_GROUP_PROFILE_MASK) &&
++	    (type & BTRFS_BLOCK_GROUP_PROFILE_MASK) != 0) {
++		btrfs_err(root->fs_info,
++		"invalid chunk profile flag: 0x%llx, expect 0 or 1 bit set",
++			  type & BTRFS_BLOCK_GROUP_PROFILE_MASK);
++		return -EUCLEAN;
++	}
+ 	if ((type & BTRFS_BLOCK_GROUP_TYPE_MASK) == 0) {
+ 		btrfs_err(root->fs_info, "missing chunk type flag: 0x%llx", type);
+ 		return -EIO;
+diff --git a/fs/efivarfs/inode.c b/fs/efivarfs/inode.c
+index e2ab6d0497f2b..151884b95ee2f 100644
+--- a/fs/efivarfs/inode.c
++++ b/fs/efivarfs/inode.c
+@@ -10,6 +10,7 @@
+ #include <linux/efi.h>
+ #include <linux/fs.h>
+ #include <linux/ctype.h>
++#include <linux/kmemleak.h>
+ #include <linux/slab.h>
+ 
+ #include "internal.h"
+@@ -138,6 +139,7 @@ static int efivarfs_create(struct inode *dir, struct dentry *dentry,
+ 	var->var.VariableName[i] = '\0';
+ 
+ 	inode->i_private = var;
++	kmemleak_ignore(var);
+ 
+ 	efivar_entry_add(var, &efivarfs_list);
+ 	d_instantiate(dentry, inode);
+diff --git a/fs/efivarfs/super.c b/fs/efivarfs/super.c
+index 0e4f20377d196..fca235020312d 100644
+--- a/fs/efivarfs/super.c
++++ b/fs/efivarfs/super.c
+@@ -23,7 +23,6 @@ LIST_HEAD(efivarfs_list);
+ static void efivarfs_evict_inode(struct inode *inode)
+ {
+ 	clear_inode(inode);
+-	kfree(inode->i_private);
+ }
+ 
+ static const struct super_operations efivarfs_ops = {
+diff --git a/fs/proc/self.c b/fs/proc/self.c
+index 2dcc2558b3aa7..dffbe533d53fc 100644
+--- a/fs/proc/self.c
++++ b/fs/proc/self.c
+@@ -24,6 +24,13 @@ static const char *proc_self_follow_link(struct dentry *dentry, void **cookie)
+ 	pid_t tgid = task_tgid_nr_ns(current, ns);
+ 	char *name;
+ 
++	/*
++	 * Not currently supported. Once we can inherit all of struct pid,
++	 * we can allow this.
++	 */
++	if (current->flags & PF_KTHREAD)
++		return ERR_PTR(-EOPNOTSUPP);
++
+ 	if (!tgid)
+ 		return ERR_PTR(-ENOENT);
+ 	/* 11 for max length of signed int in decimal + NULL term */
+diff --git a/include/linux/usb/quirks.h b/include/linux/usb/quirks.h
+index ea4f81c2a6d5e..602dff213bae1 100644
+--- a/include/linux/usb/quirks.h
++++ b/include/linux/usb/quirks.h
+@@ -59,4 +59,7 @@
+ /* Device needs a pause after every control message. */
+ #define USB_QUIRK_DELAY_CTRL_MSG		BIT(13)
+ 
++/* device has blacklisted endpoints */
++#define USB_QUIRK_ENDPOINT_BLACKLIST		BIT(15)
++
+ #endif /* __LINUX_USB_QUIRKS_H */
+diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h
+index c7b1dc713cdd7..9c7f4aad6db66 100644
+--- a/include/scsi/libiscsi.h
++++ b/include/scsi/libiscsi.h
+@@ -144,6 +144,9 @@ struct iscsi_task {
+ 	void			*dd_data;	/* driver/transport data */
+ };
+ 
++/* invalid scsi_task pointer */
++#define	INVALID_SCSI_TASK	(struct iscsi_task *)-1l
++
+ static inline int iscsi_task_has_unsol_data(struct iscsi_task *task)
+ {
+ 	return task->unsol_r2t.data_length > task->unsol_r2t.sent;
+diff --git a/tools/perf/util/dwarf-aux.c b/tools/perf/util/dwarf-aux.c
+index fd460aca36e55..40e4c933b3728 100644
+--- a/tools/perf/util/dwarf-aux.c
++++ b/tools/perf/util/dwarf-aux.c
+@@ -305,6 +305,7 @@ bool die_is_func_def(Dwarf_Die *dw_die)
+ int die_entrypc(Dwarf_Die *dw_die, Dwarf_Addr *addr)
+ {
+ 	Dwarf_Addr base, end;
++	Dwarf_Attribute attr;
+ 
+ 	if (!addr)
+ 		return -EINVAL;
+@@ -312,6 +313,13 @@ int die_entrypc(Dwarf_Die *dw_die, Dwarf_Addr *addr)
+ 	if (dwarf_entrypc(dw_die, addr) == 0)
+ 		return 0;
+ 
++	/*
++	 *  Since the dwarf_ranges() will return 0 if there is no
++	 * DW_AT_ranges attribute, we should check it first.
++	 */
++	if (!dwarf_attr(dw_die, DW_AT_ranges, &attr))
++		return -ENOENT;
++
+ 	return dwarf_ranges(dw_die, 0, &base, addr, &end) < 0 ? -ENOENT : 0;
+ }
+