BUG: corrupted list in __dentry_kill (3)

Status: upstream: reported C repro on 2026/02/01 13:41
Bug presence: origin:downstream
[Documentation on labels]
Reported-by: syzbot+b303d032edd8f655572c@syzkaller.appspotmail.com
First crash: 371d, last: 5h44m
▶ ▼ Bug presence (3)
Date Name Commit Repro Result
2026/02/01 android14-6.1 (ToT) 478ca7133d0e C [report] BUG: corrupted list in __dentry_kill
2026/02/01 lts (merge base) e50b81c50fcb C Didn't crash
2026/02/01 upstream (ToT) 162b42445b58 C Didn't crash
▶ ▼ Similar bugs (10)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-5-15 BUG: corrupted list in __dentry_kill (2) origin:downstream 8 syz, C 205 3d05h 272d 0/2 upstream: reported C repro on 2026/01/26 16:31
upstream BUG: corrupted list in __dentry_kill fs 8 syz, C 35 3110d 3130d 5/29 fixed on 2018/05/08 18:30
android-54 BUG: corrupted list in __dentry_kill (2) 8 syz, C 11 533d 942d 0/2 upstream: reported C repro on 2024/03/27 11:32
linux-4.19 BUG: corrupted list in __dentry_kill 8 1 2382d 2382d 0/1 auto-closed as invalid on 2020/08/15 07:34
android-5-15 BUG: corrupted list in __dentry_kill 8 1 664d 664d 0/2 auto-obsoleted due to no activity on 2025/03/30 08:49
android-5-10 BUG: corrupted list in __dentry_kill 8 syz, C inconclusive 647 8h36m 942d 0/2 upstream: reported C repro on 2024/03/27 10:55
upstream BUG: corrupted list in __dentry_kill (2) fs 8 syz, C done 4945 2509d 2509d 15/29 fixed on 2020/02/18 14:31
android-6-1 BUG: corrupted list in __dentry_kill (2) 8 2 553d 623d 0/2 auto-obsoleted due to no activity on 2025/07/20 02:58
android-54 BUG: corrupted list in __dentry_kill 8 1 1301d 1301d 0/2 auto-obsoleted due to no activity on 2023/08/01 17:00
android-6-1 BUG: corrupted list in __dentry_kill 8 2 807d 835d 0/2 auto-obsoleted due to no activity on 2024/11/07 13:03
▶ ▼ Last patch testing requests (5)
Created Duration User Patch Repo Result
2026/09/08 02:06 4m retest repro android14-6.1 error job log
2026/09/08 02:06 5m retest repro android14-6.1 error job log
2026/09/08 02:06 5m retest repro android14-6.1 error job log
2026/09/08 02:06 5m retest repro android14-6.1 error job log
2026/09/08 02:06 3m retest repro android14-6.1 error job log

Sample crash report:
RBP: 00007fe492e32d6f R08: 0000200000000180 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fe493016038 R14: 00007fe493015fa0 R15: 00007ffdcc491f18
 </TASK>
---[ end trace 0000000000000000 ]---
overlayfs: failed to create directory ./bus/work (errno: 17); mounting read-only
list_del corruption. prev->next should be ffff888116e5d800, but was ffff888116da20a0. (prev=ffff888123c685e0)
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:61!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 1398 Comm: syz.6.349 Tainted: G        W          syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:__list_del_entry_valid+0x10f/0x130 lib/list_debug.c:59
Code: e8 9e 51 89 02 0f 0b 48 c7 c7 60 93 ca 85 48 89 de e8 8d 51 89 02 0f 0b 48 c7 c7 c0 93 ca 85 48 89 de 4c 89 f9 e8 79 51 89 02 <0f> 0b 48 c7 c7 40 94 ca 85 48 89 de 4c 89 f1 e8 65 51 89 02 0f 0b
RSP: 0018:ffffc90004117c60 EFLAGS: 00010246
RAX: 000000000000006d RBX: ffff888116e5d800 RCX: 98327435e80eaf00
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000
RBP: ffffc90004117c80 R08: ffffc90004117847 R09: 1ffff92000822f08
R10: dffffc0000000000 R11: fffff52000822f09 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff888116da20a0 R15: ffff888123c685e0
FS:  00007fe493d206c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe492dea540 CR3: 0000000131007000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __list_del_entry include/linux/list.h:134 [inline]
 dentry_unlist fs/dcache.c:554 [inline]
 __dentry_kill+0x25d/0x670 fs/dcache.c:607
 dentry_kill+0xc0/0x2a0 fs/dcache.c:-1
 dput+0x42/0x80 fs/dcache.c:918
 __fput+0x5be/0x8f0 fs/file_table.c:328
 ____fput+0x15/0x20 fs/file_table.c:348
 task_work_run+0x1e1/0x250 kernel/task_work.c:203
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0x9b/0xb0 kernel/entry/common.c:177
 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
 syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:303
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fe492d9ce59
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fe493d20028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: 0000000000000000 RBX: 00007fe493015fa0 RCX: 00007fe492d9ce59
RDX: 0000200000000b80 RSI: 0000200000000000 RDI: 0000000000000000
RBP: 00007fe492e32d6f R08: 0000200000000180 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fe493016038 R14: 00007fe493015fa0 R15: 00007ffdcc491f18
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__list_del_entry_valid+0x10f/0x130 lib/list_debug.c:59
Code: e8 9e 51 89 02 0f 0b 48 c7 c7 60 93 ca 85 48 89 de e8 8d 51 89 02 0f 0b 48 c7 c7 c0 93 ca 85 48 89 de 4c 89 f9 e8 79 51 89 02 <0f> 0b 48 c7 c7 40 94 ca 85 48 89 de 4c 89 f1 e8 65 51 89 02 0f 0b
RSP: 0018:ffffc90004117c60 EFLAGS: 00010246
RAX: 000000000000006d RBX: ffff888116e5d800 RCX: 98327435e80eaf00
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000
RBP: ffffc90004117c80 R08: ffffc90004117847 R09: 1ffff92000822f08
R10: dffffc0000000000 R11: fffff52000822f09 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff888116da20a0 R15: ffff888123c685e0
FS:  00007fe493d206c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe492dea540 CR3: 0000000131007000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Crashes (172):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/06/06 11:25 android14-6.1 d73749230104 cc095639 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: corrupted list in __dentry_kill
2026/02/04 09:40 android14-6.1 775f23d50ca8 42b01fab .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: corrupted list in __dentry_kill
2026/02/01 13:38 android14-6.1 478ca7133d0e 6b8752f2 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: corrupted list in __dentry_kill
2026/05/08 08:00 android14-6.1 2f67b6088692 5633175a .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: corrupted list in __dentry_kill
2026/04/20 07:27 android14-6.1 7790109d9d13 303e2802 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: corrupted list in __dentry_kill
2026/10/25 22:48 android14-6.1 2f0d864181b9 1d9ca40b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: corrupted list in __dentry_kill
2026/10/25 21:42 android14-6.1 2f0d864181b9 1d9ca40b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: corrupted list in __dentry_kill
2026/10/24 16:06 android14-6.1 2f0d864181b9 1d9ca40b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: corrupted list in __dentry_kill
2026/10/23 00:26 android14-6.1 3ad9f1eca4fa b55fad29 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: corrupted list in __dentry_kill
2026/10/19 11:01 android14-6.1 48e3cd973485 432c0077 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: corrupted list in __dentry_kill
2026/10/18 19:29 android14-6.1 48e3cd973485 432c0077 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: corrupted list in __dentry_kill
2026/10/18 13:23 android14-6.1 48e3cd973485 432c0077 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: corrupted list in __dentry_kill
2026/10/18 10:55 android14-6.1 48e3cd973485 432c0077 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: corrupted list in __dentry_kill
2026/10/18 06:23 android14-6.1 48e3cd973485 432c0077 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: corrupted list in __dentry_kill
2026/10/17 18:55 android14-6.1 48e3cd973485 432c0077 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: corrupted list in __dentry_kill
2026/10/15 12:25 android14-6.1 06aabb3c5541 8fb0ae89 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: corrupted list in __dentry_kill
2026/10/15 10:00 android14-6.1 06aabb3c5541 8fb0ae89 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: corrupted list in __dentry_kill
2026/10/12 09:52 android14-6.1 9ea8d8374e5e 4f92358f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: corrupted list in __dentry_kill
2026/10/12 07:58 android14-6.1 9ea8d8374e5e 4f92358f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: corrupted list in __dentry_kill
2026/10/11 20:57 android14-6.1 9ea8d8374e5e 4f92358f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: corrupted list in __dentry_kill
2026/10/09 11:55 android14-6.1 9ea8d8374e5e b2734a59 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: corrupted list in __dentry_kill
2026/10/07 17:20 android14-6.1 3b0884642a50 6520ecdb .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: corrupted list in __dentry_kill
2026/10/07 07:04 android14-6.1 3b0884642a50 f7710056 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: corrupted list in __dentry_kill
2026/10/06 21:58 android14-6.1 3b0884642a50 f7710056 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: corrupted list in __dentry_kill
2026/10/06 17:37 android14-6.1 3b0884642a50 f7710056 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: corrupted list in __dentry_kill
2026/10/05 04:47 android14-6.1 6612ef9d0b09 57bbd979 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: corrupted list in __dentry_kill
2026/10/05 02:34 android14-6.1 6612ef9d0b09 57bbd979 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: corrupted list in __dentry_kill
2026/10/04 23:37 android14-6.1 6612ef9d0b09 57bbd979 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: corrupted list in __dentry_kill
2026/10/04 09:26 android14-6.1 6612ef9d0b09 57bbd979 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: corrupted list in __dentry_kill
2026/10/04 03:10 android14-6.1 6612ef9d0b09 57bbd979 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: corrupted list in __dentry_kill
2026/10/03 20:09 android14-6.1 6612ef9d0b09 57bbd979 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: corrupted list in __dentry_kill
2026/10/03 09:51 android14-6.1 6612ef9d0b09 57bbd979 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: corrupted list in __dentry_kill
2026/10/01 17:11 android14-6.1 6612ef9d0b09 f5cdae2f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: corrupted list in __dentry_kill
2026/09/28 20:32 android14-6.1 3d4bd33f0b0b a3c7249d .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: corrupted list in __dentry_kill
2026/09/28 01:01 android14-6.1 3d4bd33f0b0b a3c7249d .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: corrupted list in __dentry_kill
2026/09/27 21:34 android14-6.1 3d4bd33f0b0b a3c7249d .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: corrupted list in __dentry_kill
2026/09/27 20:23 android14-6.1 3d4bd33f0b0b a3c7249d .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: corrupted list in __dentry_kill
2026/09/26 02:13 android14-6.1 3d4bd33f0b0b f281d9d2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: corrupted list in __dentry_kill
2026/09/23 07:56 android14-6.1 688a2fe85528 5207b90e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: corrupted list in __dentry_kill
2026/09/22 03:49 android14-6.1 bef17d032038 853b104b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: corrupted list in __dentry_kill
2026/09/19 20:28 android14-6.1 8cef8b5b11b7 853b104b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: corrupted list in __dentry_kill
2026/09/19 13:57 android14-6.1 8cef8b5b11b7 853b104b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: corrupted list in __dentry_kill
2026/09/19 03:50 android14-6.1 8cef8b5b11b7 853b104b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: corrupted list in __dentry_kill
2026/09/14 03:12 android14-6.1 6308d6d3f1b1 70a60e12 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: corrupted list in __dentry_kill
2026/09/13 22:42 android14-6.1 6308d6d3f1b1 70a60e12 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: corrupted list in __dentry_kill
2026/09/13 13:40 android14-6.1 6308d6d3f1b1 70a60e12 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: corrupted list in __dentry_kill
2026/09/13 05:08 android14-6.1 6308d6d3f1b1 70a60e12 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: corrupted list in __dentry_kill
2026/09/10 21:17 android14-6.1 945be0af8244 1fe56c0a .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: corrupted list in __dentry_kill
2026/01/22 04:03 android14-6.1 c298d33764cb 8fc37797 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: corrupted list in __dentry_kill
* Struck through repros no longer work on HEAD.