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WARNING in mark_buffer_dirty

Status: upstream: reported C repro on 2023/03/13 14:09
Bug presence: origin:upstream
[Documentation on labels]
Reported-by: syzbot+9f01f4e38d051c1b0cff@syzkaller.appspotmail.com
First crash: 202d, last: 3d22h
▶ ▼ Bug presence (1)
Date Name Commit Repro Result
2023/05/05 upstream (ToT) 3c4aa4434377 C [report] WARNING in mark_buffer_dirty
▶ ▼ Similar bugs (11)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 WARNING in mark_buffer_dirty bfs C error 10 273d 619d 0/1 upstream: reported C repro on 2022/01/20 22:23
upstream WARNING in mark_buffer_dirty (4) bfs nilfs C inconclusive 1152 116d 455d 24/25 fixed on 2023/06/08 14:41
android-44 WARNING in mark_buffer_dirty 2 1734d 1632d 0/2 auto-closed as invalid on 2019/07/01 11:44
upstream WARNING in mark_buffer_dirty fs C 21 1763d 2146d 0/25 closed as invalid on 2019/07/24 04:22
linux-4.14 WARNING in mark_buffer_dirty (2) nilfs2 C error 8 216d 599d 0/1 upstream: reported C repro on 2022/02/10 08:17
upstream WARNING in mark_buffer_dirty (2) ext4 665 1265d 1398d 0/25 auto-closed as invalid on 2020/07/14 01:44
upstream WARNING in mark_buffer_dirty (5) nilfs C done 166 22h44m 111d 24/25 upstream: reported C repro on 2023/06/12 15:01
upstream WARNING in mark_buffer_dirty (3) ext4 2 947d 959d 0/25 auto-closed as invalid on 2021/06/27 09:01
android-49 WARNING in mark_buffer_dirty 7 1579d 1632d 0/3 auto-closed as invalid on 2019/10/25 08:47
linux-4.14 WARNING in mark_buffer_dirty 1 1359d 1359d 0/1 auto-closed as invalid on 2020/05/11 07:45
linux-5.15 WARNING in mark_buffer_dirty origin:upstream C 19 13d 200d 0/3 upstream: reported C repro on 2023/03/15 22:22
▶ ▼ Fix bisection attempts (1)
Created Duration User Patch Repo Result
2023/09/28 11:53 2h03m bisect fix linux-6.1.y job log (0) log

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4309 at fs/buffer.c:1081 mark_buffer_dirty+0x474/0x7c4 fs/buffer.c:1081
Modules linked in:
CPU: 1 PID: 4309 Comm: syz-executor221 Not tainted 6.1.19-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : mark_buffer_dirty+0x474/0x7c4 fs/buffer.c:1081
lr : mark_buffer_dirty+0x474/0x7c4 fs/buffer.c:1081
sp : ffff80001dc36950
x29: ffff80001dc36950 x28: ffff0000de42e200 x27: ffff0000dee45a00
x26: ffff0000dd688008 x25: ffff0000d9004018 x24: ffff0000dfc5c9f8
x23: ffff0000dfc5c658 x22: ffff0000d9004160 x21: ffff0000dd688018
x20: 0000000000000010 x19: ffff0000dfc5c9f8 x18: 0000000000000150
x17: ffff80001572d000 x16: ffff8000121a2440 x15: 0000000000000000
x14: 0000000000000000 x13: 0000000000000000 x12: 0000000000000001
x11: ff80800008b3b9e0 x10: 0000000000000000 x9 : ffff800008b3b9e0
x8 : ffff0000ccfdb680 x7 : 0000000000000000 x6 : 0000000000000000
x5 : ffff0000dee45c00 x4 : ffff0000de42e400 x3 : ffff800008b3b59c
x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 mark_buffer_dirty+0x474/0x7c4 fs/buffer.c:1081
 bfs_move_block fs/bfs/file.c:43 [inline]
 bfs_move_blocks fs/bfs/file.c:56 [inline]
 bfs_get_block+0x6f4/0x9b4 fs/bfs/file.c:125
 __block_write_begin_int+0x340/0x13b4 fs/buffer.c:1991
 __block_write_begin fs/buffer.c:2041 [inline]
 block_write_begin+0x98/0x11c fs/buffer.c:2102
 bfs_write_begin+0x48/0xec fs/bfs/file.c:177
 generic_perform_write+0x278/0x55c mm/filemap.c:3754
 __generic_file_write_iter+0x168/0x388 mm/filemap.c:3882
 generic_file_write_iter+0xb8/0x2b4 mm/filemap.c:3914
 __kernel_write_iter+0x264/0x5f8 fs/read_write.c:517
 __kernel_write+0x11c/0x174 fs/read_write.c:537
 __dump_emit fs/coredump.c:804 [inline]
 dump_emit+0x248/0x358 fs/coredump.c:841
 elf_core_dump+0x2918/0x3714 fs/binfmt_elf.c:2291
 do_coredump+0x14a0/0x2234 fs/coredump.c:755
 get_signal+0xfd8/0x158c kernel/signal.c:2844
 do_signal arch/arm64/kernel/signal.c:1076 [inline]
 do_notify_resume+0x314/0x3470 arch/arm64/kernel/signal.c:1129
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
 el0_da+0xb8/0x184 arch/arm64/kernel/entry-common.c:516
 el0t_64_sync_handler+0xcc/0xf0 arch/arm64/kernel/entry-common.c:658
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581
irq event stamp: 882
hardirqs last  enabled at (881): [<ffff800008b3af64>] bh_lru_install fs/buffer.c:1258 [inline]
hardirqs last  enabled at (881): [<ffff800008b3af64>] __find_get_block+0xcd0/0xeec fs/buffer.c:1309
hardirqs last disabled at (882): [<ffff80001224fad4>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (350): [<ffff8000080337c4>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (348): [<ffff800008033790>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---

Crashes (20):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/03/15 22:11 linux-6.1.y 6449a0ba6843 18b58603 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-1-kasan-arm64 WARNING in mark_buffer_dirty
2023/07/23 08:21 linux-6.1.y a456e1743881 27cbe77f .config console log report syz [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-1-kasan-arm64 WARNING in mark_buffer_dirty
2023/06/13 17:05 linux-6.1.y 2f3918bc53fb 749afb64 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in mark_buffer_dirty
2023/05/16 01:35 linux-6.1.y bf4ad6fa4e53 71b00cfb .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in mark_buffer_dirty
2023/05/13 16:19 linux-6.1.y bf4ad6fa4e53 2b9ba477 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in mark_buffer_dirty
2023/04/30 16:30 linux-6.1.y ca1c9012c941 62df2017 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in mark_buffer_dirty
2023/04/18 19:30 linux-6.1.y 0102425ac76b d931e9f0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in mark_buffer_dirty
2023/04/16 18:01 linux-6.1.y 0102425ac76b ec410564 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in mark_buffer_dirty
2023/04/07 21:06 linux-6.1.y 543aff194ab6 71147e29 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in mark_buffer_dirty
2023/03/13 14:09 linux-6.1.y 6449a0ba6843 026e2200 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in mark_buffer_dirty
2023/07/27 15:31 linux-6.1.y d2a6dc4eaf6d 92476829 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in mark_buffer_dirty
2023/07/23 02:25 linux-6.1.y a456e1743881 27cbe77f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in mark_buffer_dirty
2023/05/05 22:34 linux-6.1.y ca48fc16c493 de870ca5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in mark_buffer_dirty
2023/05/04 08:13 linux-6.1.y ca48fc16c493 5b7ff9dd .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in mark_buffer_dirty
2023/04/19 22:33 linux-6.1.y 0102425ac76b a219f34e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in mark_buffer_dirty
2023/04/18 15:57 linux-6.1.y 0102425ac76b d931e9f0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in mark_buffer_dirty
2023/04/16 11:05 linux-6.1.y 0102425ac76b ec410564 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in mark_buffer_dirty
2023/04/11 16:15 linux-6.1.y 543aff194ab6 49faf98d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in mark_buffer_dirty
2023/04/09 20:36 linux-6.1.y 543aff194ab6 71147e29 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in mark_buffer_dirty
2023/04/05 03:03 linux-6.1.y 3b29299e5f60 831373d3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in mark_buffer_dirty
* Struck through repros no longer work on HEAD.