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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: 905d, last: 52d
Fix bisection: failed (error log, bisect log)
  
▶ ▼ Bug presence (1)
Date Name Commit Repro Result
2025/05/10 upstream (ToT) 345030986df8 C [report] WARNING in mark_buffer_dirty
▶ ▼ Similar bugs (14)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 WARNING in mark_buffer_dirty bfs -1 C error 10 976d 1322d 0/1 upstream: reported C repro on 2022/01/20 22:23
upstream WARNING in mark_buffer_dirty (6) fs -1 C error 11669 120d 687d 28/29 fixed on 2025/05/06 15:33
upstream WARNING in mark_buffer_dirty (4) bfs nilfs -1 C inconclusive 1152 818d 1157d 22/29 fixed on 2023/06/08 14:41
android-44 WARNING in mark_buffer_dirty -1 2 2436d 2334d 0/2 auto-closed as invalid on 2019/07/01 11:44
upstream WARNING in mark_buffer_dirty fs -1 C 21 2465d 2848d 0/29 closed as invalid on 2019/07/24 04:22
linux-4.14 WARNING in mark_buffer_dirty (2) nilfs2 -1 C error 8 918d 1301d 0/1 upstream: reported C repro on 2022/02/10 08:17
upstream WARNING in mark_buffer_dirty (2) ext4 -1 665 1968d 2100d 0/29 auto-closed as invalid on 2020/07/14 01:44
linux-6.6 WARNING in mark_buffer_dirty origin:lts-only -1 C inconclusive 20 1d09h 53d 0/2 upstream: reported C repro on 2025/07/12 17:25
upstream WARNING in mark_buffer_dirty (5) nilfs -1 C done 172 695d 814d 23/29 fixed on 2023/10/12 12:48
upstream WARNING in mark_buffer_dirty (7) hfs bfs -1 C 515 23h07m 116d 0/29 upstream: reported C repro on 2025/05/10 17:11
upstream WARNING in mark_buffer_dirty (3) ext4 -1 2 1649d 1662d 0/29 auto-closed as invalid on 2021/06/27 09:01
android-49 WARNING in mark_buffer_dirty -1 7 2281d 2334d 0/3 auto-closed as invalid on 2019/10/25 08:47
linux-4.14 WARNING in mark_buffer_dirty -1 1 2061d 2061d 0/1 auto-closed as invalid on 2020/05/11 07:45
linux-5.15 WARNING in mark_buffer_dirty origin:upstream -1 C error 290 4d18h 903d 0/3 upstream: reported C repro on 2023/03/15 22:22
▶ ▼ Fix bisection attempts (6)
Created Duration User Patch Repo Result
2025/04/30 06:32 16m bisect fix linux-6.1.y error job log
2024/03/06 23:35 1h56m bisect fix linux-6.1.y OK (0) job log log
2024/01/28 11:37 1h26m bisect fix linux-6.1.y OK (0) job log log
2023/11/30 11:38 1h30m bisect fix linux-6.1.y OK (0) job log log
2023/10/30 07:18 1h26m bisect fix linux-6.1.y OK (0) job log log
2023/09/28 11:53 2h03m bisect fix linux-6.1.y OK (0) job log log

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 1 PID: 5636 at fs/buffer.c:1081 mark_buffer_dirty+0x328/0x5cc fs/buffer.c:1081
Modules linked in:
CPU: 1 PID: 5636 Comm: syz.7.62 Not tainted 6.1.144-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : mark_buffer_dirty+0x328/0x5cc fs/buffer.c:1081
lr : mark_buffer_dirty+0x328/0x5cc fs/buffer.c:1081
sp : ffff8000214e6c00
x29: ffff8000214e6c00 x28: ffff0000d3f3e018 x27: 1fffe0001a7e7c2c
x26: ffff0000ed2e4800 x25: ffff0000f003cf80 x24: ffff0000e26c69f8
x23: ffff0000d3f3e160 x22: ffff0000e26c6570 x21: dfff800000000000
x20: 0000000000000010 x19: ffff0000e26c69f8 x18: ffff800011aabce0
x17: ffff8000181e6000 x16: ffff8000082d2400 x15: 0000000000000000
x14: 0000000000000000 x13: 0000000000000000 x12: 0000000000ff0100
x11: ff00800008a7c498 x10: 0000000000000000 x9 : ffff800008a7c498
x8 : ffff0000d48eb780 x7 : 0000000000000000 x6 : 0000000000000000
x5 : ffff0000ed2e4a00 x4 : ffff0000d9b1a400 x3 : ffff800008a7c1a0
x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 mark_buffer_dirty+0x328/0x5cc 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+0x478/0x970 fs/bfs/file.c:125
 __block_write_begin_int+0x34c/0x13b8 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+0x230/0x4b0 mm/filemap.c:3846
 __generic_file_write_iter+0x168/0x37c mm/filemap.c:3974
 generic_file_write_iter+0xb4/0x2b0 mm/filemap.c:4006
 __kernel_write_iter+0x200/0x558 fs/read_write.c:517
 __kernel_write+0xe0/0x130 fs/read_write.c:537
 __dump_emit fs/coredump.c:873 [inline]
 dump_emit+0x220/0x31c fs/coredump.c:910
 elf_core_dump+0x22c4/0x2cc4 fs/binfmt_elf.c:2333
 do_coredump+0x10c4/0x1c4c fs/coredump.c:824
 get_signal+0xdec/0x1310 kernel/signal.c:2857
 do_signal arch/arm64/kernel/signal.c:1081 [inline]
 do_notify_resume+0x290/0x2b0c arch/arm64/kernel/signal.c:1134
 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+0xb4/0x154 arch/arm64/kernel/entry-common.c:516
 el0t_64_sync_handler+0x90/0xf0 arch/arm64/kernel/entry-common.c:658
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
irq event stamp: 528
hardirqs last  enabled at (527): [<ffff800008a7bb6c>] bh_lru_install fs/buffer.c:1258 [inline]
hardirqs last  enabled at (527): [<ffff800008a7bb6c>] __find_get_block+0xbe0/0xdfc fs/buffer.c:1309
hardirqs last disabled at (528): [<ffff800011945518>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (262): [<ffff800008030900>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (260): [<ffff8000080308cc>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---

Crashes (352):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/07/13 08:21 linux-6.1.y dfc486ec9cce 3cda49cf .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro #1] [mounted in repro #2 (corrupt fs)] ci2-linux-6-1-kasan-arm64 WARNING in mark_buffer_dirty
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
2025/03/27 18:44 linux-6.1.y 344a09659766 6c09fb82 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in mark_buffer_dirty
2025/03/26 20:34 linux-6.1.y 344a09659766 20510e88 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in mark_buffer_dirty
2025/03/26 08:55 linux-6.1.y 344a09659766 89d30d73 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in mark_buffer_dirty
2025/03/26 06:21 linux-6.1.y 344a09659766 89d30d73 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in mark_buffer_dirty
2025/03/23 17:57 linux-6.1.y 344a09659766 4e8d3850 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in mark_buffer_dirty
2025/03/23 17:57 linux-6.1.y 344a09659766 4e8d3850 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in mark_buffer_dirty
2025/03/23 10:51 linux-6.1.y 344a09659766 4e8d3850 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in mark_buffer_dirty
2025/03/17 13:29 linux-6.1.y 344a09659766 948c34e4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in mark_buffer_dirty
2025/03/17 05:34 linux-6.1.y 344a09659766 e2826670 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in mark_buffer_dirty
2025/03/17 04:05 linux-6.1.y 344a09659766 e2826670 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in mark_buffer_dirty
2025/03/05 14:04 linux-6.1.y 3a8358583626 60f5d8d9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in mark_buffer_dirty
2025/02/28 22:03 linux-6.1.y 3a8358583626 67cf5345 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in mark_buffer_dirty
2025/02/21 22:00 linux-6.1.y 3a8358583626 d34966d1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in mark_buffer_dirty
2025/02/16 23:31 linux-6.1.y 0cbb5f65e52f 40a34ec9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in mark_buffer_dirty
2025/02/16 18:00 linux-6.1.y 0cbb5f65e52f 40a34ec9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in mark_buffer_dirty
2025/02/13 21:36 linux-6.1.y 0cbb5f65e52f a98a8417 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in mark_buffer_dirty
2025/02/13 21:33 linux-6.1.y 0cbb5f65e52f a98a8417 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in mark_buffer_dirty
2025/02/06 06:54 linux-6.1.y 0cbb5f65e52f 577d049b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in mark_buffer_dirty
2025/01/30 08:03 linux-6.1.y 75cefdf153f5 afe4eff5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in mark_buffer_dirty
2025/01/29 16:15 linux-6.1.y 75cefdf153f5 136953f1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in mark_buffer_dirty
2025/01/29 04:07 linux-6.1.y 75cefdf153f5 865ef71e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in mark_buffer_dirty
2025/01/28 15:58 linux-6.1.y 75cefdf153f5 f5427d7c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in mark_buffer_dirty
2024/03/23 19:11 linux-6.1.y d7543167affd 0ea90952 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-1-kasan WARNING in mark_buffer_dirty
2025/07/13 07:05 linux-6.1.y dfc486ec9cce 3cda49cf .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in mark_buffer_dirty
2025/03/24 10:15 linux-6.1.y 344a09659766 875573af .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in mark_buffer_dirty
2025/03/23 02:34 linux-6.1.y 344a09659766 c6512ef7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in mark_buffer_dirty
2025/03/21 00:13 linux-6.1.y 344a09659766 62330552 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in mark_buffer_dirty
2025/03/19 20:29 linux-6.1.y 344a09659766 e20d7b13 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in mark_buffer_dirty
2025/03/18 03:35 linux-6.1.y 344a09659766 ce3352cd .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in mark_buffer_dirty
2025/03/17 12:03 linux-6.1.y 344a09659766 948c34e4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in mark_buffer_dirty
2025/03/16 16:48 linux-6.1.y 344a09659766 e2826670 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in mark_buffer_dirty
2025/03/03 11:24 linux-6.1.y 3a8358583626 c3901742 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in mark_buffer_dirty
2025/02/27 02:31 linux-6.1.y 3a8358583626 6a8fcbc4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in mark_buffer_dirty
2025/02/26 16:48 linux-6.1.y 3a8358583626 d34966d1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in mark_buffer_dirty
2025/02/25 20:42 linux-6.1.y 3a8358583626 d34966d1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in mark_buffer_dirty
2025/02/25 15:32 linux-6.1.y 3a8358583626 d34966d1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in mark_buffer_dirty
2025/02/24 03:11 linux-6.1.y 3a8358583626 d34966d1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in mark_buffer_dirty
2025/02/22 19:07 linux-6.1.y 3a8358583626 d34966d1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in mark_buffer_dirty
2025/02/20 07:50 linux-6.1.y 0cbb5f65e52f 50668798 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in mark_buffer_dirty
2025/02/19 02:54 linux-6.1.y 0cbb5f65e52f 9a14138f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in mark_buffer_dirty
2025/02/18 20:20 linux-6.1.y 0cbb5f65e52f c37c7249 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in mark_buffer_dirty
2025/02/15 19:20 linux-6.1.y 0cbb5f65e52f 40a34ec9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in mark_buffer_dirty
2025/02/15 17:30 linux-6.1.y 0cbb5f65e52f 40a34ec9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in mark_buffer_dirty
2025/02/09 00:43 linux-6.1.y 0cbb5f65e52f ef44b750 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in mark_buffer_dirty
2025/01/19 06:01 linux-6.1.y 60ceadf9247e f2cb035c .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-1-kasan-arm64 WARNING in mark_buffer_dirty
2024/12/26 02:11 linux-6.1.y 29f02ec58a94 444551c4 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-1-kasan-arm64 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
* Struck through repros no longer work on HEAD.