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WARNING in mark_buffer_dirty

Status: upstream: reported C repro on 2023/03/13 14:09
Reported-by: syzbot+9f01f4e38d051c1b0cff@syzkaller.appspotmail.com
First crash: 774d, last: 29d
▶ ▼ Bug presence (1)
Date Name Commit Repro Result
2025/04/21 upstream (ToT) 9d7a0577c9db C Failed due to an error; will retry later
▶ ▼ Similar bugs (12)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 WARNING in mark_buffer_dirty bfs C error 10 845d 1190d 0/1 upstream: reported C repro on 2022/01/20 22:23
upstream WARNING in mark_buffer_dirty (6) fs C error 11573 5h41m 556d 27/28 upstream: reported C repro on 2023/10/17 15:53
upstream WARNING in mark_buffer_dirty (4) bfs nilfs C inconclusive 1152 687d 1026d 22/28 fixed on 2023/06/08 14:41
android-44 WARNING in mark_buffer_dirty 2 2305d 2203d 0/2 auto-closed as invalid on 2019/07/01 11:44
upstream WARNING in mark_buffer_dirty fs C 21 2334d 2717d 0/28 closed as invalid on 2019/07/24 04:22
linux-4.14 WARNING in mark_buffer_dirty (2) nilfs2 C error 8 787d 1170d 0/1 upstream: reported C repro on 2022/02/10 08:17
upstream WARNING in mark_buffer_dirty (2) ext4 665 1836d 1969d 0/28 auto-closed as invalid on 2020/07/14 01:44
upstream WARNING in mark_buffer_dirty (5) nilfs C done 172 563d 683d 23/28 fixed on 2023/10/12 12:48
upstream WARNING in mark_buffer_dirty (3) ext4 2 1518d 1531d 0/28 auto-closed as invalid on 2021/06/27 09:01
android-49 WARNING in mark_buffer_dirty 7 2150d 2203d 0/3 auto-closed as invalid on 2019/10/25 08:47
linux-4.14 WARNING in mark_buffer_dirty 1 1930d 1930d 0/1 auto-closed as invalid on 2020/05/11 07:45
linux-5.15 WARNING in mark_buffer_dirty origin:upstream C error 287 2d22h 771d 0/3 upstream: reported C repro on 2023/03/15 22:22
▶ ▼ Fix bisection attempts (5)
Created Duration User Patch Repo Result
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: 4988 at fs/buffer.c:1081 mark_buffer_dirty+0x330/0x624 fs/buffer.c:1081
Modules linked in:

CPU: 1 PID: 4988 Comm: segctord Not tainted 6.1.125-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : mark_buffer_dirty+0x330/0x624 fs/buffer.c:1081
lr : mark_buffer_dirty+0x330/0x624 fs/buffer.c:1081
sp : ffff800021e57550
x29: ffff800021e57550 x28: ffff0000cc6ed328 x27: ffff800021e578c0
x26: ffff0000e44c07a0 x25: ffff0000d9db0820 x24: dfff800000000000
x23: ffff0000e44c6688 x22: ffff0000e44c07b0 x21: dfff800000000000
x20: 0000000000000008 x19: ffff0000df63acb0 x18: ffff800021197aa8
x17: ffff80019e31d000 x16: ffff800008319a90 x15: 0000000000010000
x14: 1ffff00002b520b2 x13: dfff800000000000 x12: 0000000000000001
x11: 0000000000ff0100 x10: 0000000000000000 x9 : ffff800008b34a24
x8 : ffff0000d1b75340 x7 : ffff800009e5c02c x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff800008b34724
x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 mark_buffer_dirty+0x330/0x624 fs/buffer.c:1081
 nilfs_segctor_collect_dirty_files fs/nilfs2/segment.c:2006 [inline]
 nilfs_segctor_do_construct+0x2d4/0x6638 fs/nilfs2/segment.c:2068
 nilfs_segctor_construct+0x13c/0x558 fs/nilfs2/segment.c:2451
 nilfs_segctor_thread_construct fs/nilfs2/segment.c:2559 [inline]
 nilfs_segctor_thread+0x3f0/0xd70 fs/nilfs2/segment.c:2643
 kthread+0x250/0x2d8 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:864
irq event stamp: 38
hardirqs last  enabled at (37): [<ffff800012412924>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline]
hardirqs last  enabled at (37): [<ffff800012412924>] _raw_spin_unlock_irqrestore+0x48/0xac kernel/locking/spinlock.c:194
hardirqs last disabled at (38): [<ffff80001232c744>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (0): [<ffff80000819e4d4>] copy_process+0x13c0/0x38d0 kernel/fork.c:2211
softirqs last disabled at (0): [<0000000000000000>] 0x0
---[ end trace 0000000000000000 ]---

Crashes (350):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
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
2023/03/15 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
2025/01/28 02:01 linux-6.1.y 75cefdf153f5 18070896 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in mark_buffer_dirty
2025/01/27 13:54 linux-6.1.y 75cefdf153f5 d99a33ad .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in mark_buffer_dirty
2025/01/25 08:11 linux-6.1.y 75cefdf153f5 9fbd772e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in mark_buffer_dirty
2025/01/24 20:39 linux-6.1.y 75cefdf153f5 1293872d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in mark_buffer_dirty
2025/01/24 20:38 linux-6.1.y 75cefdf153f5 1293872d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in mark_buffer_dirty
2025/01/23 22:18 linux-6.1.y 75cefdf153f5 521b0ce3 .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
2025/03/24 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
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.