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kernel BUG in may_delete

Status: upstream: reported C repro on 2024/04/03 23:51
Bug presence: origin:downstream
[Documentation on labels]
Reported-by: syzbot+292d0e141b92a314ddec@syzkaller.appspotmail.com
First crash: 569d, last: 4d18h
▶ ▼ Bug presence (3)
Date Name Commit Repro Result
2024/04/04 android14-6.1 (ToT) ebcdb9dc211f C [report] kernel BUG in may_delete
2024/04/04 lts (merge base) 883d1a956208 C Didn't crash
2024/04/04 upstream (ToT) c85af715cac0 C Didn't crash
▶ ▼ Similar bugs (3)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-54 kernel BUG in may_delete -1 C 839 152d 569d 0/2 upstream: reported C repro on 2024/04/03 23:36
android-5-15 kernel BUG in may_delete origin:downstream -1 C 2690 4d18h 569d 0/2 upstream: reported C repro on 2024/04/03 23:06
android-5-10 kernel BUG in may_delete -1 C 6451 2h04m 569d 0/2 upstream: reported C repro on 2024/04/04 00:03
▶ ▼ Last patch testing requests (6)
Created Duration User Patch Repo Result
2024/08/06 19:35 24m retest repro android14-6.1 report log
2024/08/06 19:35 14m retest repro android14-6.1 report log
2024/08/06 19:35 13m retest repro android14-6.1 report log
2024/08/06 19:35 22m retest repro android14-6.1 report log
2024/08/06 19:35 17m retest repro android14-6.1 report log
2024/06/19 22:11 12m retest repro android14-6.1 report log

Sample crash report:
------------[ cut here ]------------
kernel BUG at fs/namei.c:2954!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 364 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
RIP: 0010:may_delete+0x701/0x710 fs/namei.c:2954
Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 84 fe ff ff 48 89 df e8 70 0f f4 ff e9 77 fe ff ff e8 a6 a1 af ff 0f 0b e8 9f a1 af ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 55 48 89 e5 41 56 53
RSP: 0018:ffffc900009e7c20 EFLAGS: 00010293
RAX: ffffffff81c07c61 RBX: ffff888111525880 RCX: ffff88811353bcc0
RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000
RBP: ffffc900009e7c88 R08: 0000000000000004 R09: 0000000000000003
R10: fffff5200013cf64 R11: 1ffff9200013cf64 R12: dffffc0000000000
R13: 0000000000000001 R14: ffff8881239c29c0 R15: 1ffff110222a4b10
FS:  0000555557b7c500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5db3ffc340 CR3: 0000000114041000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 vfs_rmdir+0x32/0x500 fs/namei.c:4170
 incfs_kill_sb+0x105/0x220 fs/incfs/vfs.c:1995
 deactivate_locked_super+0xb5/0x120 fs/super.c:334
 deactivate_super+0xaf/0xe0 fs/super.c:365
 cleanup_mnt+0x45f/0x4e0 fs/namespace.c:1182
 __cleanup_mnt+0x19/0x20 fs/namespace.c:1189
 task_work_run+0x1db/0x240 kernel/task_work.c:203
 exit_to_u

Crashes (3042):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/10/09 01:40 android14-6.1 1257aa4519ee 7e2882b3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (clean fs)] ci2-android-6-1 kernel BUG in may_delete
2025/08/11 15:14 android14-6.1 c750dc582629 32a0e5ed .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-android-6-1 kernel BUG in may_delete
2025/05/14 09:04 android14-6.1 53b26534cce7 7344edeb .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-android-6-1 kernel BUG in may_delete
2025/03/23 21:24 android14-6.1 5145d157731f 4e8d3850 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (clean fs)] ci2-android-6-1 kernel BUG in may_delete
2024/12/13 12:34 android14-6.1 22b7ded8b55b 3547e30f .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-android-6-1 kernel BUG in may_delete
2024/12/13 10:52 android14-6.1 22b7ded8b55b 3547e30f .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-android-6-1 kernel BUG in may_delete
2024/10/23 19:32 android14-6.1 4dc2498506e6 15fa2979 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-android-6-1 kernel BUG in may_delete
2024/10/23 06:46 android14-6.1 00f19bd9ed42 15fa2979 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-android-6-1 kernel BUG in may_delete
2024/07/15 00:17 android14-6.1 96d66062d076 eaeb5c15 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-android-6-1 kernel BUG in may_delete
2024/07/14 23:47 android14-6.1 96d66062d076 eaeb5c15 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-android-6-1 kernel BUG in may_delete
2024/07/14 23:20 android14-6.1 96d66062d076 eaeb5c15 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-android-6-1 kernel BUG in may_delete
2024/07/14 22:59 android14-6.1 96d66062d076 eaeb5c15 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-android-6-1 kernel BUG in may_delete
2024/07/14 22:30 android14-6.1 96d66062d076 eaeb5c15 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-android-6-1 kernel BUG in may_delete
2024/07/14 22:00 android14-6.1 96d66062d076 eaeb5c15 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-android-6-1 kernel BUG in may_delete
2024/07/14 21:31 android14-6.1 96d66062d076 eaeb5c15 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-android-6-1 kernel BUG in may_delete
2024/07/14 20:58 android14-6.1 96d66062d076 eaeb5c15 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-android-6-1 kernel BUG in may_delete
2024/07/14 20:36 android14-6.1 96d66062d076 eaeb5c15 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-android-6-1 kernel BUG in may_delete
2024/07/14 20:12 android14-6.1 96d66062d076 eaeb5c15 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-android-6-1 kernel BUG in may_delete
2024/07/14 19:45 android14-6.1 96d66062d076 eaeb5c15 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-android-6-1 kernel BUG in may_delete
2024/07/14 19:10 android14-6.1 96d66062d076 eaeb5c15 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-android-6-1 kernel BUG in may_delete
2024/07/14 18:35 android14-6.1 96d66062d076 eaeb5c15 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-android-6-1 kernel BUG in may_delete
2024/07/14 17:58 android14-6.1 96d66062d076 eaeb5c15 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-android-6-1 kernel BUG in may_delete
2024/07/14 17:19 android14-6.1 96d66062d076 eaeb5c15 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-android-6-1 kernel BUG in may_delete
2024/07/14 16:43 android14-6.1 96d66062d076 eaeb5c15 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-android-6-1 kernel BUG in may_delete
2024/07/14 16:03 android14-6.1 96d66062d076 eaeb5c15 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-android-6-1 kernel BUG in may_delete
2024/07/14 15:26 android14-6.1 96d66062d076 eaeb5c15 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-android-6-1 kernel BUG in may_delete
2024/07/14 14:51 android14-6.1 96d66062d076 eaeb5c15 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-android-6-1 kernel BUG in may_delete
2024/07/14 14:10 android14-6.1 96d66062d076 eaeb5c15 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-android-6-1 kernel BUG in may_delete
2024/07/14 13:30 android14-6.1 96d66062d076 eaeb5c15 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-android-6-1 kernel BUG in may_delete
2024/07/14 12:47 android14-6.1 96d66062d076 eaeb5c15 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-android-6-1 kernel BUG in may_delete
2024/07/14 12:04 android14-6.1 96d66062d076 eaeb5c15 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-android-6-1 kernel BUG in may_delete
2024/07/14 11:20 android14-6.1 96d66062d076 eaeb5c15 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-android-6-1 kernel BUG in may_delete
2024/07/14 10:35 android14-6.1 96d66062d076 eaeb5c15 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-android-6-1 kernel BUG in may_delete
2024/07/14 09:42 android14-6.1 96d66062d076 eaeb5c15 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-android-6-1 kernel BUG in may_delete
2024/07/14 08:52 android14-6.1 96d66062d076 eaeb5c15 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-android-6-1 kernel BUG in may_delete
2024/07/14 08:05 android14-6.1 96d66062d076 eaeb5c15 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-android-6-1 kernel BUG in may_delete
2024/07/14 07:19 android14-6.1 96d66062d076 eaeb5c15 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-android-6-1 kernel BUG in may_delete
2024/07/14 06:32 android14-6.1 96d66062d076 eaeb5c15 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-android-6-1 kernel BUG in may_delete
2024/07/14 05:53 android14-6.1 96d66062d076 eaeb5c15 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-android-6-1 kernel BUG in may_delete
2024/07/14 05:06 android14-6.1 96d66062d076 eaeb5c15 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-android-6-1 kernel BUG in may_delete
2024/07/14 04:17 android14-6.1 96d66062d076 eaeb5c15 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-android-6-1 kernel BUG in may_delete
2024/07/14 03:31 android14-6.1 96d66062d076 eaeb5c15 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-android-6-1 kernel BUG in may_delete
2024/07/14 02:38 android14-6.1 96d66062d076 eaeb5c15 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-android-6-1 kernel BUG in may_delete
2024/07/14 01:48 android14-6.1 96d66062d076 eaeb5c15 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-android-6-1 kernel BUG in may_delete
2024/07/14 00:55 android14-6.1 96d66062d076 eaeb5c15 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-android-6-1 kernel BUG in may_delete
2024/04/03 23:49 android14-6.1 af361f9a1066 51c4dcff .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-android-6-1 kernel BUG in may_delete
2025/10/20 05:52 android14-6.1 22c0b7236c43 1c8c8cd8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 kernel BUG in may_delete
2025/10/20 05:52 android14-6.1 22c0b7236c43 1c8c8cd8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 kernel BUG in may_delete
2025/10/13 04:40 android14-6.1 11f4a3092db9 ff1712fe .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 kernel BUG in may_delete
2025/10/13 01:32 android14-6.1 11f4a3092db9 ff1712fe .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 kernel BUG in may_delete
2025/10/07 12:55 android14-6.1 1257aa4519ee 8ef35d49 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 kernel BUG in may_delete
2025/10/07 12:51 android14-6.1 1257aa4519ee 8ef35d49 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 kernel BUG in may_delete
2025/10/07 10:11 android14-6.1 1257aa4519ee 8ef35d49 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 kernel BUG in may_delete
2025/10/07 06:31 android14-6.1 1257aa4519ee 8ef35d49 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 kernel BUG in may_delete
2025/10/07 06:22 android14-6.1 1257aa4519ee 8ef35d49 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 kernel BUG in may_delete
2025/10/07 02:59 android14-6.1 1257aa4519ee 8ef35d49 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 kernel BUG in may_delete
2025/10/07 02:57 android14-6.1 1257aa4519ee 8ef35d49 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 kernel BUG in may_delete
2025/09/28 18:18 android14-6.1 5303560ee8cf 001c9061 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 kernel BUG in may_delete
2025/09/27 14:23 android14-6.1 5303560ee8cf 001c9061 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 kernel BUG in may_delete
2025/09/14 21:03 android14-6.1 0429b7af308c e2beed91 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 kernel BUG in may_delete
2025/09/14 19:00 android14-6.1 0429b7af308c e2beed91 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 kernel BUG in may_delete
2025/09/10 04:16 android14-6.1 0b7cd1902a31 fdeaa69b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 kernel BUG in may_delete
2025/08/28 13:28 android14-6.1 47b374a18638 e12e5ba4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 kernel BUG in may_delete
2025/08/27 12:38 android14-6.1 47b374a18638 e12e5ba4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 kernel BUG in may_delete
2025/08/26 03:39 android14-6.1 47b374a18638 bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 kernel BUG in may_delete
2025/08/25 08:09 android14-6.1 397bc5b3eca0 bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 kernel BUG in may_delete
2025/08/13 09:59 android14-6.1 c750dc582629 22ec1469 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 kernel BUG in may_delete
2025/08/04 19:52 android14-6.1 3b4ff5af8d36 f5bcc8dc .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 kernel BUG in may_delete
2025/08/04 03:16 android14-6.1 3b4ff5af8d36 7368264b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 kernel BUG in may_delete
2025/08/04 01:27 android14-6.1 3b4ff5af8d36 7368264b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 kernel BUG in may_delete
2025/08/03 04:57 android14-6.1 3b4ff5af8d36 7368264b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 kernel BUG in may_delete
2025/08/02 13:50 android14-6.1 3b4ff5af8d36 7368264b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 kernel BUG in may_delete
2025/08/02 03:20 android14-6.1 4a6a5e5dbb49 7368264b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 kernel BUG in may_delete
2025/07/28 08:05 android14-6.1 2ff414a09808 fb8f743d .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 kernel BUG in may_delete
2025/07/28 03:54 android14-6.1 2ff414a09808 fb8f743d .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 kernel BUG in may_delete
2025/07/23 06:35 android14-6.1 de932537be34 e1dd4f22 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 kernel BUG in may_delete
2025/07/22 05:10 android14-6.1 de932537be34 1555463b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 kernel BUG in may_delete
2025/07/06 13:39 android14-6.1 7011769d221c 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 kernel BUG in may_delete
2025/07/06 13:33 android14-6.1 7011769d221c 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 kernel BUG in may_delete
2025/07/03 21:37 android14-6.1 7011769d221c 115ceea7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 kernel BUG in may_delete
2025/07/03 03:52 android14-6.1 7011769d221c 115ceea7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 kernel BUG in may_delete
2025/07/03 00:41 android14-6.1 7011769d221c bc80e4f0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 kernel BUG in may_delete
2025/07/03 00:32 android14-6.1 7011769d221c bc80e4f0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 kernel BUG in may_delete
2025/07/03 00:23 android14-6.1 7011769d221c bc80e4f0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 kernel BUG in may_delete
2025/07/03 00:00 android14-6.1 7011769d221c bc80e4f0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 kernel BUG in may_delete
2025/07/02 23:50 android14-6.1 7011769d221c bc80e4f0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 kernel BUG in may_delete
2025/07/02 23:40 android14-6.1 7011769d221c bc80e4f0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 kernel BUG in may_delete
2025/07/02 23:31 android14-6.1 7011769d221c bc80e4f0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 kernel BUG in may_delete
* Struck through repros no longer work on HEAD.