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WARNING in mark_buffer_dirty

Status: upstream: reported C repro on 2023/03/15 22:22
Bug presence: origin:upstream
[Documentation on labels]
Reported-by: syzbot+5b2e10c67416270b15c0@syzkaller.appspotmail.com
First crash: 855d, last: 10d
Fix bisection: failed (error log, bisect log)
  
▶ ▼ Bug presence (1)
Date Name Commit Repro Result
2023/05/16 upstream (ToT) f1fcbaa18b28 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 929d 1274d 0/1 upstream: reported C repro on 2022/01/20 22:23
upstream WARNING in mark_buffer_dirty (6) fs -1 C error 11669 73d 640d 28/29 fixed on 2025/05/06 15:33
upstream WARNING in mark_buffer_dirty (4) bfs nilfs -1 C inconclusive 1152 771d 1110d 22/29 fixed on 2023/06/08 14:41
android-44 WARNING in mark_buffer_dirty -1 2 2389d 2287d 0/2 auto-closed as invalid on 2019/07/01 11:44
upstream WARNING in mark_buffer_dirty fs -1 C 21 2418d 2801d 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 871d 1254d 0/1 upstream: reported C repro on 2022/02/10 08:17
upstream WARNING in mark_buffer_dirty (2) ext4 -1 665 1920d 2053d 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 2 3d01h 6d03h 0/2 upstream: reported C repro on 2025/07/12 17:25
upstream WARNING in mark_buffer_dirty (5) nilfs -1 C done 172 647d 767d 23/29 fixed on 2023/10/12 12:48
upstream WARNING in mark_buffer_dirty (7) bfs hfs -1 C 426 4h41m 69d 0/29 upstream: reported C repro on 2025/05/10 17:11
upstream WARNING in mark_buffer_dirty (3) ext4 -1 2 1602d 1615d 0/29 auto-closed as invalid on 2021/06/27 09:01
android-49 WARNING in mark_buffer_dirty -1 7 2234d 2287d 0/3 auto-closed as invalid on 2019/10/25 08:47
linux-4.14 WARNING in mark_buffer_dirty -1 1 2014d 2014d 0/1 auto-closed as invalid on 2020/05/11 07:45
linux-6.1 WARNING in mark_buffer_dirty origin:upstream -1 C error 352 5d12h 858d 0/3 upstream: reported C repro on 2023/03/13 14:09
▶ ▼ Last patch testing requests (9)
Created Duration User Patch Repo Result
2025/07/08 10:27 14m retest repro linux-5.15.y report log
2025/07/08 10:27 11m retest repro linux-5.15.y report log
2025/07/08 10:27 10m retest repro linux-5.15.y report log
2025/07/08 10:27 17m retest repro linux-5.15.y OK log
2025/06/18 07:44 11m retest repro linux-5.15.y report log
2025/06/18 07:44 13m retest repro linux-5.15.y report log
2025/06/18 07:44 11m retest repro linux-5.15.y report log
2025/04/22 12:05 1h05m retest repro linux-5.15.y report log
2025/04/22 12:05 18m retest repro linux-5.15.y OK log
▶ ▼ Fix bisection attempts (2)
Created Duration User Patch Repo Result
2023/11/15 14:58 0m bisect fix linux-5.15.y error job log
2023/09/18 20:23 1h11m bisect fix linux-5.15.y OK (0) job log log

Sample crash report:
loop0: detected capacity change from 0 to 64
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4184 at fs/buffer.c:1084 mark_buffer_dirty+0x318/0x490 fs/buffer.c:1084
Modules linked in:
CPU: 1 PID: 4184 Comm: syz-executor193 Not tainted 5.15.185-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:mark_buffer_dirty+0x318/0x490 fs/buffer.c:1084
Code: 89 f7 e8 6b 80 e6 ff 49 8b 3e be 04 00 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d e9 f4 d0 fc ff e8 3f 08 a1 ff eb 80 e8 38 08 a1 ff <0f> 0b e9 33 fd ff ff e8 2c 08 a1 ff 0f 0b e9 55 fd ff ff e8 20 08
RSP: 0018:ffffc90002e5f7c8 EFLAGS: 00010293
RAX: ffffffff81d6b9e8 RBX: ffff88806e865ae0 RCX: ffff888017de8000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff8880778e8018 R08: dffffc0000000000 R09: ffffed100e3d4900
R10: 0000000000000000 R11: 0000000000000040 R12: ffff88807b2d7200
R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff1100dd0cb5c
FS:  00007f9245dad6c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7a8ea1c000 CR3: 0000000076501000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 bfs_move_block fs/bfs/file.c:43 [inline]
 bfs_move_blocks fs/bfs/file.c:56 [inline]
 bfs_get_block+0x814/0xa60 fs/bfs/file.c:125
 __block_write_begin_int+0x54e/0x15a0 fs/buffer.c:2012
 __block_write_begin fs/buffer.c:2062 [inline]
 block_write_begin+0x4d/0xc0 fs/buffer.c:2122
 bfs_write_begin+0x37/0xd0 fs/bfs/file.c:177
 generic_perform_write+0x2aa/0x530 mm/filemap.c:3785
 __generic_file_write_iter+0x25f/0x4e0 mm/filemap.c:3912
 generic_file_write_iter+0xa6/0x1b0 mm/filemap.c:3944
 call_write_iter include/linux/fs.h:2172 [inline]
 new_sync_write fs/read_write.c:507 [inline]
 vfs_write+0x712/0xd00 fs/read_write.c:594
 ksys_write+0x14d/0x250 fs/read_write.c:647
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f9245df0c59
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f9245dad218 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f9245e786c8 RCX: 00007f9245df0c59
RDX: 000000000208e24b RSI: 0000200000000440 RDI: 0000000000000004
RBP: 00007f9245e786c0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9245e450c0
R13: 0000200000000080 R14: 0031656c69662f2e R15: 0000200000001440
 </TASK>

Crashes (290):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/06/23 08:28 linux-5.15.y 1c700860e8bc d6cdfb8a .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan WARNING in mark_buffer_dirty
2025/01/03 04:31 linux-5.15.y 91786f140358 d3ccff63 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan WARNING in mark_buffer_dirty
2023/04/01 16:40 linux-5.15.y c957cbb87315 f325deb0 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan WARNING in mark_buffer_dirty
2024/09/22 20:27 linux-5.15.y 3a5928702e71 6f888b75 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 WARNING in mark_buffer_dirty
2024/07/14 14:20 linux-5.15.y f45bea23c39c eaeb5c15 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 WARNING in mark_buffer_dirty
2023/03/15 22:22 linux-5.15.y 2ddbd0f967b3 18b58603 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 WARNING in mark_buffer_dirty
2025/05/30 02:42 linux-5.15.y 98f47d0e9b8c 3d2f584d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in mark_buffer_dirty
2025/04/28 09:43 linux-5.15.y f7347f400572 c6b4fb39 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in mark_buffer_dirty
2025/03/13 10:05 linux-5.15.y c16c81c81336 44be8b44 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in mark_buffer_dirty
2025/03/12 21:57 linux-5.15.y c16c81c81336 1a5d9317 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in mark_buffer_dirty
2025/03/12 02:49 linux-5.15.y c16c81c81336 ee70e6db .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in mark_buffer_dirty
2025/03/09 02:59 linux-5.15.y c16c81c81336 163f510d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in mark_buffer_dirty
2025/03/09 02:58 linux-5.15.y c16c81c81336 163f510d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in mark_buffer_dirty
2025/03/05 11:59 linux-5.15.y c16c81c81336 60f5d8d9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in mark_buffer_dirty
2025/03/01 21:56 linux-5.15.y c16c81c81336 c3901742 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in mark_buffer_dirty
2025/03/01 21:52 linux-5.15.y c16c81c81336 c3901742 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in mark_buffer_dirty
2025/03/01 01:24 linux-5.15.y c16c81c81336 67cf5345 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in mark_buffer_dirty
2025/02/21 01:23 linux-5.15.y c16c81c81336 0808a665 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in mark_buffer_dirty
2025/02/17 14:44 linux-5.15.y c16c81c81336 4121cf9d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in mark_buffer_dirty
2025/02/17 11:18 linux-5.15.y c16c81c81336 4121cf9d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in mark_buffer_dirty
2025/02/16 12:45 linux-5.15.y c16c81c81336 40a34ec9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in mark_buffer_dirty
2025/02/16 08:37 linux-5.15.y c16c81c81336 40a34ec9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in mark_buffer_dirty
2025/02/15 22:41 linux-5.15.y c16c81c81336 40a34ec9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in mark_buffer_dirty
2025/02/15 17:57 linux-5.15.y c16c81c81336 40a34ec9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in mark_buffer_dirty
2025/02/15 07:27 linux-5.15.y c16c81c81336 40a34ec9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in mark_buffer_dirty
2025/02/14 15:18 linux-5.15.y c16c81c81336 1022af74 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in mark_buffer_dirty
2025/02/14 03:35 linux-5.15.y c16c81c81336 d9a046cf .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in mark_buffer_dirty
2025/02/14 03:35 linux-5.15.y c16c81c81336 d9a046cf .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in mark_buffer_dirty
2025/02/13 21:30 linux-5.15.y c16c81c81336 a98a8417 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in mark_buffer_dirty
2024/04/04 21:08 linux-5.15.y 9465fef4ae35 0ee3535e .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan WARNING in mark_buffer_dirty
2023/12/07 06:54 linux-5.15.y 9b91d36ba301 e3299f55 .config console log report syz [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan WARNING in mark_buffer_dirty
2025/03/24 11:32 linux-5.15.y 0c935c049b5c 875573af .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in mark_buffer_dirty
2025/03/23 02:25 linux-5.15.y 0c935c049b5c c6512ef7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in mark_buffer_dirty
2025/03/10 16:02 linux-5.15.y c16c81c81336 16256247 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in mark_buffer_dirty
2025/03/07 16:13 linux-5.15.y c16c81c81336 7e3bd60d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in mark_buffer_dirty
2025/03/06 21:46 linux-5.15.y c16c81c81336 831e3629 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in mark_buffer_dirty
2025/03/05 23:57 linux-5.15.y c16c81c81336 831e3629 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in mark_buffer_dirty
2025/03/03 19:38 linux-5.15.y c16c81c81336 c3901742 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in mark_buffer_dirty
2025/03/03 00:57 linux-5.15.y c16c81c81336 c3901742 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in mark_buffer_dirty
2025/03/02 19:26 linux-5.15.y c16c81c81336 c3901742 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in mark_buffer_dirty
2025/03/01 18:37 linux-5.15.y c16c81c81336 c3901742 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in mark_buffer_dirty
2025/02/28 16:57 linux-5.15.y c16c81c81336 67cf5345 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in mark_buffer_dirty
2025/02/25 13:22 linux-5.15.y c16c81c81336 d34966d1 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 WARNING in mark_buffer_dirty
2025/02/20 21:02 linux-5.15.y c16c81c81336 0808a665 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in mark_buffer_dirty
2025/02/20 05:56 linux-5.15.y c16c81c81336 50668798 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in mark_buffer_dirty
2025/02/19 17:28 linux-5.15.y c16c81c81336 b257a9b7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in mark_buffer_dirty
2025/02/19 03:53 linux-5.15.y c16c81c81336 9a14138f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in mark_buffer_dirty
2025/02/18 11:48 linux-5.15.y c16c81c81336 c37c7249 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in mark_buffer_dirty
2025/02/18 02:08 linux-5.15.y c16c81c81336 429ea007 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in mark_buffer_dirty
2025/02/18 00:55 linux-5.15.y c16c81c81336 429ea007 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in mark_buffer_dirty
2025/02/17 22:47 linux-5.15.y c16c81c81336 429ea007 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in mark_buffer_dirty
2025/02/17 13:12 linux-5.15.y c16c81c81336 4121cf9d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in mark_buffer_dirty
2025/02/17 07:09 linux-5.15.y c16c81c81336 40a34ec9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in mark_buffer_dirty
2025/02/16 20:44 linux-5.15.y c16c81c81336 40a34ec9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in mark_buffer_dirty
2025/02/16 14:48 linux-5.15.y c16c81c81336 40a34ec9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in mark_buffer_dirty
2025/02/15 15:53 linux-5.15.y c16c81c81336 40a34ec9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in mark_buffer_dirty
2025/01/27 21:46 linux-5.15.y 003148680b79 d99a33ad .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 WARNING in mark_buffer_dirty
* Struck through repros no longer work on HEAD.