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BUG: corrupted list in __dentry_kill

Status: upstream: reported C repro on 2024/03/27 10:55
Reported-by: syzbot+b64ce08e31a10a8d28c6@syzkaller.appspotmail.com
First crash: 561d, last: 2h54m
Fix bisection: the issue occurs on the latest tested release (bisect log)
  
▶ ▼ Similar bugs (8)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream BUG: corrupted list in __dentry_kill fs 8 C 35 2729d 2748d 5/29 fixed on 2018/05/08 18:30
android-54 BUG: corrupted list in __dentry_kill (2) 8 C 11 152d 561d 0/2 upstream: reported C repro on 2024/03/27 11:32
linux-4.19 BUG: corrupted list in __dentry_kill 8 1 2001d 2001d 0/1 auto-closed as invalid on 2020/08/15 07:34
android-5-15 BUG: corrupted list in __dentry_kill 8 1 283d 283d 0/2 auto-obsoleted due to no activity on 2025/03/30 08:49
upstream BUG: corrupted list in __dentry_kill (2) fs 8 C done 4945 2128d 2128d 15/29 fixed on 2020/02/18 14:31
android-6-1 BUG: corrupted list in __dentry_kill (2) 8 2 171d 241d 0/2 auto-obsoleted due to no activity on 2025/07/20 02:58
android-54 BUG: corrupted list in __dentry_kill 8 1 920d 920d 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 426d 453d 0/2 auto-obsoleted due to no activity on 2024/11/07 13:03
▶ ▼ Last patch testing requests (6)
Created Duration User Patch Repo Result
2025/07/15 05:42 11m retest repro android13-5.10-lts report log
2025/04/27 16:45 7m retest repro android13-5.10-lts report log
2025/01/26 10:52 5m retest repro android13-5.10-lts report log
2024/10/15 03:35 0m retest repro android13-5.10-lts error
2024/08/04 21:20 10m retest repro android13-5.10-lts report log
2024/04/10 19:53 5m retest repro android13-5.10-lts report log

Sample crash report:
RBP: 00007fa7baf85f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fa7bb159fa0 R14: 00007fa7bb159fa0 R15: 0000000000000001
---[ end trace 75934f32e059f13b ]---
list_del corruption. prev->next should be ffff88810cfb06f0, but was ffff888126ceb800
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:61!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 389 Comm: syz.2.17 Tainted: G        W         syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025
RIP: 0010:__list_del_entry_valid+0x10c/0x120 lib/list_debug.c:59
Code: 48 89 de e8 66 fe 31 02 0f 0b 48 c7 c7 20 27 20 85 48 89 de e8 55 fe 31 02 0f 0b 48 c7 c7 80 27 20 85 48 89 de e8 44 fe 31 02 <0f> 0b 48 c7 c7 e0 27 20 85 48 89 de e8 33 fe 31 02 0f 0b 00 55 48
RSP: 0018:ffffc90002f97c58 EFLAGS: 00010246
RAX: 0000000000000054 RBX: ffff88810cfb06f0 RCX: 93bcfc5b6c1e6400
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000
RBP: ffffc90002f97c78 R08: dffffc0000000000 R09: fffff520005f2ec1
R10: fffff520005f2ec1 R11: 1ffff920005f2ec0 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff888126ceb800 R15: ffff888126ceb6f0
FS:  000055558504b500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000056030c86cf08 CR3: 0000000129e0c000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __list_del_entry include/linux/list.h:132 [inline]
 dentry_unlist fs/dcache.c:526 [inline]
 __dentry_kill+0x24c/0x650 fs/dcache.c:579
 dentry_kill+0xc0/0x2a0 fs/dcache.c:-1
 dput+0x42/0x80 fs/dcache.c:883
 path_put+0x39/0x60 fs/namei.c:499
 dentry_release+0x4f/0xa0 fs/incfs/vfs.c:1591
 __dentry_kill+0x4b5/0x650 fs/dcache.c:588
 dentry_kill+0xc0/0x2a0 fs/dcache.c:-1
 dput+0x42/0x80 fs/dcache.c:883
 do_rmdir+0x235/0x620 fs/namei.c:3914
 __do_sys_rmdir fs/namei.c:3930 [inline]
 __se_sys_rmdir fs/namei.c:3928 [inline]
 __x64_sys_rmdir+0x49/0x50 fs/namei.c:3928
 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7fa7baf02ec9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fffdd46bbf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000054
RAX: ffffffffffffffda RBX: 00007fa7bb159fa0 RCX: 00007fa7baf02ec9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00002000000006c0
RBP: 00007fa7baf85f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fa7bb159fa0 R14: 00007fa7bb159fa0 R15: 0000000000000001
Modules linked in:
---[ end trace 75934f32e059f13c ]---
RIP: 0010:__list_del_entry_valid+0x10c/0x120 lib/list_debug.c:59
Code: 48 89 de e8 66 fe 31 02 0f 0b 48 c7 c7 20 27 20 85 48 89 de e8 55 fe 31 02 0f 0b 48 c7 c7 80 27 20 85 48 89 de e8 44 fe 31 02 <0f> 0b 48 c7 c7 e0 27 20 85 48 89 de e8 33 fe 31 02 0f 0b 00 55 48
RSP: 0018:ffffc90002f97c58 EFLAGS: 00010246
RAX: 0000000000000054 RBX: ffff88810cfb06f0 RCX: 93bcfc5b6c1e6400
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000
RBP: ffffc90002f97c78 R08: dffffc0000000000 R09: fffff520005f2ec1
R10: fffff520005f2ec1 R11: 1ffff920005f2ec0 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff888126ceb800 R15: ffff888126ceb6f0
FS:  000055558504b500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000056030c86cf08 CR3: 0000000129e0c000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Crashes (100):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/09/24 17:07 android13-5.10-lts 911f602c2237 0abd0691 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro #1 (clean fs)] [mounted in repro #2 (corrupt fs)] ci2-android-5-10 BUG: corrupted list in __dentry_kill
2025/09/24 15:22 android13-5.10-lts 911f602c2237 0abd0691 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro #1 (clean fs)] [mounted in repro #2 (corrupt fs)] ci2-android-5-10 BUG: corrupted list in __dentry_kill
2025/09/24 14:35 android13-5.10-lts 911f602c2237 0abd0691 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro #1 (clean fs)] [mounted in repro #2 (corrupt fs)] ci2-android-5-10 BUG: corrupted list in __dentry_kill
2025/08/29 06:13 android13-5.10-lts 1154f779f3f3 d401b9d7 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in __dentry_kill
2024/03/27 10:50 android13-5.10-lts e7daca75b4c3 454571b6 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in __dentry_kill
2025/10/09 19:37 android13-5.10-lts 2ece552169c2 7e2882b3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in __dentry_kill
2025/09/26 01:28 android13-5.10-lts 911f602c2237 0abd0691 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in __dentry_kill
2025/09/25 20:49 android13-5.10-lts 911f602c2237 0abd0691 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in __dentry_kill
2025/09/22 07:52 android13-5.10-lts 911f602c2237 67c37560 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in __dentry_kill
2025/09/21 19:48 android13-5.10-lts 911f602c2237 67c37560 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in __dentry_kill
2025/09/18 23:20 android13-5.10-lts 911f602c2237 e2beed91 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in __dentry_kill
2025/09/15 22:14 android13-5.10-lts 911f602c2237 e2beed91 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in __dentry_kill
2025/09/15 05:58 android13-5.10-lts 911f602c2237 e2beed91 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in __dentry_kill
2025/09/09 23:38 android13-5.10-lts 48647f2c6800 d291dd2d .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in __dentry_kill
2025/09/09 11:01 android13-5.10-lts 48647f2c6800 d291dd2d .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in __dentry_kill
2025/09/08 15:08 android13-5.10-lts 48647f2c6800 d291dd2d .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in __dentry_kill
2025/09/08 06:37 android13-5.10-lts 48647f2c6800 d291dd2d .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in __dentry_kill
2025/09/08 04:06 android13-5.10-lts 48647f2c6800 d291dd2d .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in __dentry_kill
2025/09/07 05:00 android13-5.10-lts 48647f2c6800 d291dd2d .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in __dentry_kill
2025/09/03 15:48 android13-5.10-lts 68c598f9eb32 96a211bc .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in __dentry_kill
2025/08/31 06:59 android13-5.10-lts 1154f779f3f3 807a3b61 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in __dentry_kill
2025/08/10 23:27 android13-5.10-lts 1154f779f3f3 32a0e5ed .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in __dentry_kill
2025/08/03 21:47 android13-5.10-lts 1154f779f3f3 7368264b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in __dentry_kill
2025/07/20 14:25 android13-5.10-lts 6de38b5f6c2b 7117feec .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in __dentry_kill
2025/06/30 09:35 android13-5.10-lts 59e9a7228857 fc9d8ee5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in __dentry_kill
2025/06/27 17:15 android13-5.10-lts 59e9a7228857 803ce19b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in __dentry_kill
2025/06/27 03:31 android13-5.10-lts 59e9a7228857 803ce19b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in __dentry_kill
2025/06/20 09:42 android13-5.10-lts d76d4cd0623a ed3e87f7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in __dentry_kill
2025/06/01 00:16 android13-5.10-lts cf6ed0f1511d 3d2f584d .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in __dentry_kill
2025/05/18 05:03 android13-5.10-lts 7e2543346ff7 f41472b0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in __dentry_kill
2025/05/08 18:50 android13-5.10-lts 7e2543346ff7 dbf35fa1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in __dentry_kill
2025/04/13 05:10 android13-5.10-lts e0b88ee5f09c 0bd6db41 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in __dentry_kill
2025/04/13 01:58 android13-5.10-lts e0b88ee5f09c 0bd6db41 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in __dentry_kill
2025/04/08 07:51 android13-5.10-lts 094fc3778d6b a2ada0e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in __dentry_kill
2025/03/31 09:45 android13-5.10-lts 094fc3778d6b d3999433 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in __dentry_kill
2025/03/31 06:02 android13-5.10-lts 094fc3778d6b d3999433 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in __dentry_kill
2025/03/31 03:44 android13-5.10-lts 094fc3778d6b d3999433 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in __dentry_kill
2025/03/28 12:32 android13-5.10-lts 094fc3778d6b 6c09fb82 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in __dentry_kill
2025/03/03 22:43 android13-5.10-lts 3f5f2283d684 c3901742 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in __dentry_kill
2025/02/28 10:24 android13-5.10-lts 3f5f2283d684 6a8fcbc4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in __dentry_kill
2025/02/24 14:05 android13-5.10-lts 3f5f2283d684 d34966d1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in __dentry_kill
2025/02/16 07:33 android13-5.10-lts 6686f2996d23 40a34ec9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in __dentry_kill
2025/02/13 03:41 android13-5.10-lts 6686f2996d23 b27c2402 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in __dentry_kill
2025/02/10 10:07 android13-5.10-lts 6686f2996d23 ef44b750 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in __dentry_kill
2025/02/03 10:24 android13-5.10-lts fbe98d68b6b3 568559e4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in __dentry_kill
2025/01/31 10:26 android13-5.10-lts fbe98d68b6b3 4c6ac32f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in __dentry_kill
2025/01/26 14:16 android13-5.10-lts fbe98d68b6b3 9fbd772e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in __dentry_kill
2025/01/12 02:05 android13-5.10-lts 49e8ba0a684f 6dbc6a9b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in __dentry_kill
2025/01/09 01:21 android13-5.10-lts 49e8ba0a684f f3558dbf .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in __dentry_kill
2025/01/08 19:39 android13-5.10-lts 49e8ba0a684f f3558dbf .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in __dentry_kill
2025/01/08 09:37 android13-5.10-lts 49e8ba0a684f f3558dbf .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in __dentry_kill
2025/01/08 02:47 android13-5.10-lts 49e8ba0a684f f3558dbf .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in __dentry_kill
2025/01/07 10:06 android13-5.10-lts 49e8ba0a684f f3558dbf .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in __dentry_kill
2024/08/11 18:46 android13-5.10-lts fd58936f3c1f 6f4edef4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in __dentry_kill
2024/07/21 21:05 android13-5.10-lts 1240968f7644 b88348e9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in __dentry_kill
2024/07/20 03:13 android13-5.10-lts 1240968f7644 890ce4f3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in __dentry_kill
2024/07/14 07:43 android13-5.10-lts 3feee789f446 eaeb5c15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in __dentry_kill
2024/07/06 01:47 android13-5.10-lts 3feee789f446 2a40360c .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in __dentry_kill
2024/07/03 14:34 android13-5.10-lts 3feee789f446 1ecfa2d8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in __dentry_kill
2024/03/27 10:29 android13-5.10-lts e7daca75b4c3 454571b6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in __dentry_kill
* Struck through repros no longer work on HEAD.