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: 104d, last: 6h33m
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 9562 8m 732d 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 658 7h41m 458d 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 (465):
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
2024/10/30 16:54 linux-5.15.y 74cdd62cb470 fb888278 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/10/29 18:42 linux-5.15.y 74cdd62cb470 66aeb999 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/10/29 08:29 linux-5.15.y 74cdd62cb470 66aeb999 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/10/28 20:00 linux-5.15.y 74cdd62cb470 9efb3cc7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/10/26 05:50 linux-5.15.y 74cdd62cb470 65e8686b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/10/25 16:17 linux-5.15.y 74cdd62cb470 045e728d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/10/25 03:50 linux-5.15.y 74cdd62cb470 c79b8ca5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/10/24 13:47 linux-5.15.y 74cdd62cb470 0d144d1a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/10/23 02:44 linux-5.15.y 74cdd62cb470 15fa2979 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/10/22 18:41 linux-5.15.y 74cdd62cb470 a93682b3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/10/22 08:13 linux-5.15.y 584a40a22cb9 a93682b3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/10/22 08:13 linux-5.15.y 584a40a22cb9 a93682b3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/10/21 16:33 linux-5.15.y 584a40a22cb9 f1e4447c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/10/18 23:48 linux-5.15.y 584a40a22cb9 cd6fc0a3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/10/17 18:03 linux-5.15.y 584a40a22cb9 666f77ed .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/10/16 21:25 linux-5.15.y 3a5928702e71 666f77ed .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/10/16 01:20 linux-5.15.y 3a5928702e71 bde2d81c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/10/16 01:18 linux-5.15.y 3a5928702e71 bde2d81c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/10/15 13:24 linux-5.15.y 3a5928702e71 7eb57b4a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/10/15 00:25 linux-5.15.y 3a5928702e71 b01b6661 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/10/14 01:05 linux-5.15.y 3a5928702e71 084d8178 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/10/12 01:16 linux-5.15.y 3a5928702e71 084d8178 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/10/11 09:11 linux-5.15.y 3a5928702e71 cd942402 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/10/11 09:07 linux-5.15.y 3a5928702e71 cd942402 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/10/10 18:53 linux-5.15.y 3a5928702e71 8fbfc0c8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/10/10 06:08 linux-5.15.y 3a5928702e71 0278d004 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/10/09 21:30 linux-5.15.y 3a5928702e71 56fb2cb7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/10/09 10:38 linux-5.15.y 3a5928702e71 402f1df0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/10/08 08:10 linux-5.15.y 3a5928702e71 402f1df0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/10/07 21:29 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/10/06 10:19 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/10/06 01:49 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/10/03 18:45 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/10/03 11:28 linux-5.15.y 3a5928702e71 a4c7fd36 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/10/02 15:09 linux-5.15.y 3a5928702e71 02f9582a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/10/01 14:44 linux-5.15.y 3a5928702e71 ea2b66a6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/09/30 16:17 linux-5.15.y 3a5928702e71 bbd4e0a4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/09/30 16:17 linux-5.15.y 3a5928702e71 bbd4e0a4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/09/28 13:20 linux-5.15.y 3a5928702e71 ba29ff75 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/09/27 20:58 linux-5.15.y 3a5928702e71 440b26ec .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/09/26 19:20 linux-5.15.y 3a5928702e71 9314348a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in dnotify_free_mark
2024/09/25 23:59 linux-5.15.y 3a5928702e71 0d19f247 .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.