| 1 |
I'm still facing a bug with btrfs that |
| 2 |
occurs since 4.2.6-hardened-r6 till 4.4.2. |
| 3 |
|
| 4 |
An similar bug has been patched already |
| 5 |
https://patchwork.kernel.org/patch/7582351/ |
| 6 |
|
| 7 |
Is someone able to reproduce this? |
| 8 |
|
| 9 |
Thx! |
| 10 |
|
| 11 |
my config: |
| 12 |
|
| 13 |
https://binarysignals.net/pub/linux-4.2.6-hardened-r5.config |
| 14 |
https://binarysignals.net/pub/emerge--info_e10.txt |
| 15 |
|
| 16 |
dmesg: |
| 17 |
|
| 18 |
Feb 20 17:21:22 e10 kernel: PAX: size overflow detected in function |
| 19 |
btrfs_extent_item_to_extent_map fs/btrfs/file-item.c:913 cicus.463_134 |
| 20 |
min, count: 150, decl: orig_start; num: 0; context: extent_map; |
| 21 |
Feb 20 17:21:22 e10 kernel: CPU: 0 PID: 4709 Comm: evolution-addre Not |
| 22 |
tainted 4.4.2-hardened #1 |
| 23 |
Feb 20 17:21:22 e10 kernel: Hardware name: Dell Inc. Latitude E4200 |
| 24 |
/0XRV1H, BIOS A24 06/04/2013 |
| 25 |
Feb 20 17:21:22 e10 kernel: ffff880100000002 c3eced83898a9252 |
| 26 |
0000000000000000 0000000000000391 |
| 27 |
Feb 20 17:21:22 e10 kernel: ffffc90005893630 ffffffffa26152bb |
| 28 |
ffffffffa9124d70 c3eced83898a9252 |
| 29 |
Feb 20 17:21:22 e10 kernel: ffffffffa9124d70 ffffc90005893660 |
| 30 |
ffffffffa2241e6e ffff8800baa0d2f8 |
| 31 |
Feb 20 17:21:22 e10 kernel: Call Trace: |
| 32 |
Feb 20 17:21:22 e10 kernel: [<ffffffffa26152bb>] dump_stack+0x57/0x8c |
| 33 |
Feb 20 17:21:22 e10 kernel: [<ffffffffa2241e6e>] |
| 34 |
report_size_overflow+0x6e/0x80 |
| 35 |
Feb 20 17:21:22 e10 kernel: [<ffffffffa24c2f68>] |
| 36 |
btrfs_extent_item_to_extent_map+0x458/0x490 |
| 37 |
Feb 20 17:21:22 e10 kernel: [<ffffffffa24d4a86>] |
| 38 |
btrfs_get_extent+0xbe6/0xdb0 |
| 39 |
Feb 20 17:21:22 e10 kernel: [<ffffffffa24f9291>] ? |
| 40 |
submit_extent_page+0x101/0x250 |
| 41 |
Feb 20 17:21:22 e10 kernel: [<ffffffffa24fa305>] |
| 42 |
__do_readpage+0x2b5/0xe50 |
| 43 |
Feb 20 17:21:22 e10 kernel: [<ffffffffa24fbcf0>] ? |
| 44 |
btrfs_create_repair_bio+0x1a0/0x1a0 |
| 45 |
Feb 20 17:21:22 e10 kernel: [<ffffffffa24d3ea0>] ? |
| 46 |
btrfs_direct_IO+0x530/0x530 |
| 47 |
Feb 20 17:21:22 e10 kernel: [<ffffffffa24fb3d0>] |
| 48 |
__extent_readpages.constprop.44+0x310/0x350 |
| 49 |
Feb 20 17:21:22 e10 kernel: [<ffffffffa24d3ea0>] ? |
| 50 |
btrfs_direct_IO+0x530/0x530 |
| 51 |
Feb 20 17:21:22 e10 kernel: [<ffffffffa24fd1e4>] |
| 52 |
extent_readpages+0x1e4/0x1f0 |
| 53 |
Feb 20 17:21:22 e10 kernel: [<ffffffffa24d3ea0>] ? |
| 54 |
btrfs_direct_IO+0x530/0x530 |
| 55 |
Feb 20 17:21:22 e10 kernel: [<ffffffffa2212cd9>] ? |
| 56 |
alloc_pages_current+0x89/0x110 |
| 57 |
Feb 20 17:21:22 e10 kernel: [<ffffffffa24d1df2>] |
| 58 |
btrfs_readpages+0x32/0x40 |
| 59 |
Feb 20 17:21:22 e10 kernel: [<ffffffffa21d18b1>] |
| 60 |
__do_page_cache_readahead+0x1d1/0x250 |
| 61 |
Feb 20 17:21:22 e10 kernel: [<ffffffffa21d1a11>] |
| 62 |
ondemand_readahead+0xe1/0x2e0 |
| 63 |
Feb 20 17:21:22 e10 kernel: [<ffffffffa21d1dc6>] |
| 64 |
page_cache_sync_readahead+0x46/0x70 |
| 65 |
Feb 20 17:21:22 e10 kernel: [<ffffffffa21c4e43>] |
| 66 |
generic_file_read_iter+0x633/0x7c0 |
| 67 |
Feb 20 17:21:22 e10 kernel: [<ffffffffa223926b>] __vfs_read+0x10b/0x140 |
| 68 |
Feb 20 17:21:22 e10 kernel: [<ffffffffa2239e83>] vfs_read+0xc3/0x240 |
| 69 |
Feb 20 17:21:22 e10 kernel: [<ffffffffa225e8cd>] ? |
| 70 |
__fget_light+0x2d/0x70 |
| 71 |
Feb 20 17:21:22 e10 kernel: [<ffffffffa223b453>] SyS_pread64+0xa3/0xc0 |
| 72 |
Feb 20 17:21:22 e10 kernel: [<ffffffffa2d4a999>] |
| 73 |
entry_SYSCALL_64_fastpath+0x12/0x83 |
| 74 |
Feb 20 17:21:22 e10 kernel: ------------[ cut here ]------------ |
Archives