syzbot


kernel BUG in dnotify_free_mark

Status: upstream: reported C repro on 2024/07/18 09:21
Bug presence: origin:upstream
Labels: missing-backport
[Documentation on labels]
Reported-by: syzbot+9db55312693384c84b41@syzkaller.appspotmail.com
First crash: 143d, last: 1d12h
Bug presence (3)
Date Name Commit Repro Result
2024/10/17 linux-5.15.y (ToT) 3a5928702e71 C [report] kernel BUG in dnotify_free_mark
2024/07/18 upstream (ToT) 68b59730459e C [report] kernel BUG in dnotify_free_mark
2024/10/17 upstream (ToT) c964ced77262 C Didn't crash
Similar bugs (2)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream kernel BUG in dnotify_free_mark ntfs3 C error 12007 2h20m 771d 0/28 upstream: reported C repro on 2022/10/28 23:45
linux-6.1 kernel BUG in dnotify_free_mark origin:upstream missing-backport C done 987 7h37m 497d 0/3 upstream: reported C repro on 2023/07/30 07:52

Sample crash report:
------------[ cut here ]------------
kernel BUG at fs/notify/dnotify/dnotify.c:118!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 154 Comm: kworker/u4:2 Not tainted 5.15.169-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: events_unbound fsnotify_mark_destroy_workfn
RIP: 0010:dnotify_free_mark+0x53/0x60 fs/notify/dnotify/dnotify.c:118
Code: 48 89 df e8 cf a6 e1 ff 48 83 3b 00 75 17 e8 e4 dc 97 ff 48 8b 3d fd fe 00 0c 4c 89 f6 5b 41 5e e9 92 cf e0 ff e8 cd dc 97 ff <0f> 0b cc cc cc cc cc cc cc cc cc cc cc 55 41 57 41 56 41 55 41 54
RSP: 0018:ffffc90002007b88 EFLAGS: 00010293
RAX: ffffffff81e89713 RBX: ffff88806ffa2080 RCX: ffff88801c393b80
RDX: 0000000000000000 RSI: ffffffff8a8b2a80 RDI: ffff88806ffa2000
RBP: ffffc90002007c50 R08: dffffc0000000000 R09: fffffbfff20ec639
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88801c32e800
R13: ffffc90002007be0 R14: ffff88806ffa2000 R15: ffff88806ffa2000
FS:  0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff09ee08ed8 CR3: 0000000025c8c000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 fsnotify_final_mark_destroy fs/notify/mark.c:304 [inline]
 fsnotify_mark_destroy_workfn+0x2c7/0x340 fs/notify/mark.c:928
 process_one_work+0x8a1/0x10c0 kernel/workqueue.c:2310
 worker_thread+0xaca/0x1280 kernel/workqueue.c:2457
 kthread+0x3f6/0x4f0 kernel/kthread.c:334
 ret_from_fork+

Crashes (608):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/10/30 03:50 linux-5.15.y 74cdd62cb470 66aeb999 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/07/18 10:50 linux-5.15.y f45bea23c39c 0f902625 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/12/06 21:46 linux-5.15.y 0a51d2d4527b 9ac0fdc6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/12/06 09:42 linux-5.15.y 0a51d2d4527b 946d28f0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/12/05 12:28 linux-5.15.y 0a51d2d4527b 29f61fce .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/12/05 12:27 linux-5.15.y 0a51d2d4527b 29f61fce .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/12/04 00:06 linux-5.15.y 0a51d2d4527b b50eb251 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/12/03 04:56 linux-5.15.y 0a51d2d4527b 578925bc .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/12/02 15:46 linux-5.15.y 0a51d2d4527b b499ea68 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/12/02 07:56 linux-5.15.y 0a51d2d4527b 68914665 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/12/01 18:28 linux-5.15.y 0a51d2d4527b 68914665 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/12/01 07:58 linux-5.15.y 0a51d2d4527b 68914665 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/12/01 02:08 linux-5.15.y 0a51d2d4527b 68914665 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/11/30 04:33 linux-5.15.y 0a51d2d4527b 68914665 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/11/27 21:31 linux-5.15.y 0a51d2d4527b 5df23865 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/11/27 08:34 linux-5.15.y 0a51d2d4527b 52b38cc1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/11/26 14:05 linux-5.15.y 0a51d2d4527b e9a9a9f2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/11/26 00:06 linux-5.15.y 0a51d2d4527b 11dbc254 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/11/23 01:52 linux-5.15.y 0a51d2d4527b 68da6d95 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/11/21 04:28 linux-5.15.y 0a51d2d4527b 4b25d554 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/11/21 04:28 linux-5.15.y 0a51d2d4527b 4b25d554 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/11/20 16:18 linux-5.15.y 0a51d2d4527b 4fca1650 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/11/19 20:48 linux-5.15.y 0a51d2d4527b 7d02db5a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/11/19 03:02 linux-5.15.y 0a51d2d4527b 571351cb .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/11/18 15:26 linux-5.15.y 0a51d2d4527b e7bb5d6e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/11/17 20:32 linux-5.15.y 0a51d2d4527b cfe3a04a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/11/17 20:30 linux-5.15.y 0a51d2d4527b cfe3a04a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/11/15 23:11 linux-5.15.y d98fd109f827 cfe3a04a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/11/15 10:05 linux-5.15.y d98fd109f827 f6ede3a3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/11/14 19:24 linux-5.15.y d98fd109f827 a8c99394 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/11/14 11:33 linux-5.15.y 3c17fc483905 a8c99394 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/11/13 16:57 linux-5.15.y 3c17fc483905 bb3f8425 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/11/13 16:48 linux-5.15.y 3c17fc483905 bb3f8425 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/11/13 00:43 linux-5.15.y 3c17fc483905 62026c85 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/11/12 04:56 linux-5.15.y 3c17fc483905 75bb1b32 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/11/11 14:28 linux-5.15.y 3c17fc483905 0c4b1325 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/11/08 22:07 linux-5.15.y 3c17fc483905 6b856513 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/11/08 07:46 linux-5.15.y 72244eab0dad 179b040e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/11/08 07:46 linux-5.15.y 72244eab0dad 179b040e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/11/07 16:55 linux-5.15.y 72244eab0dad 867e44df .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/11/06 20:19 linux-5.15.y 72244eab0dad df3dc63b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/11/06 05:39 linux-5.15.y 72244eab0dad 3a465482 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/11/05 16:16 linux-5.15.y 72244eab0dad da38b4c9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/11/04 21:33 linux-5.15.y 72244eab0dad 509da429 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/11/04 21:33 linux-5.15.y 72244eab0dad 509da429 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/11/01 21:00 linux-5.15.y 72244eab0dad f00eed24 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/07/18 09:21 linux-5.15.y f45bea23c39c 0f902625 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
* Struck through repros no longer work on HEAD.