syzbot


INFO: trying to register non-static key in ocfs2_dlm_shutdown

Status: upstream: reported C repro on 2025/07/01 01:58
Bug presence: origin:upstream
[Documentation on labels]
Reported-by: syzbot+5b6de2def31c29d5a343@syzkaller.appspotmail.com
First crash: 169d, last: 12d
Bug presence (1)
Date Name Commit Repro Result
2025/08/23 upstream (ToT) 6debb6904172 C [report] INFO: trying to register non-static key in ocfs2_dlm_shutdown
Similar bugs (3)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-5.15 INFO: trying to register non-static key in ocfs2_dlm_shutdown missing-backport origin:upstream -1 C inconclusive 306 7h11m 459d 0/3 upstream: reported C repro on 2024/09/14 00:27
upstream INFO: trying to register non-static key in ocfs2_dlm_shutdown ocfs2 -1 C done 1737 1d05h 455d 0/29 upstream: reported C repro on 2024/09/17 13:24
linux-6.1 INFO: trying to register non-static key in ocfs2_dlm_shutdown origin:upstream -1 C error 59 17h56m 431d 0/3 upstream: reported C repro on 2024/10/12 01:18

Sample crash report:
INFO: trying to register non-static key.
The code is fine but needs lockdep annotation, or maybe
you didn't initialize this object before use?
turning off the locking correctness validator.
CPU: 1 PID: 5901 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Call Trace:
 <TASK>
 dump_stack_lvl+0x16c/0x230 lib/dump_stack.c:106
 assign_lock_key+0x1f9/0x230 kernel/locking/lockdep.c:976
 register_lock_class+0x212/0x890 kernel/locking/lockdep.c:1289
 __lock_acquire+0x17a/0x7c80 kernel/locking/lockdep.c:5014
 lock_acquire+0x197/0x410 kernel/locking/lockdep.c:5754
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0xa8/0xf0 kernel/locking/spinlock.c:162
 ocfs2_mark_lockres_freeing+0x126/0x570 fs/ocfs2/dlmglue.c:3517
 ocfs2_simple_drop_lockres fs/ocfs2/dlmglue.c:3573 [inline]
 ocfs2_drop_osb_locks fs/ocfs2/dlmglue.c:3581 [inline]
 ocfs2_dlm_shutdown+0x3a/0x240 fs/ocfs2/dlmglue.c:3391
 ocfs2_dismount_volume+0x44b/0x890 fs/ocfs2/super.c:1922
 generic_shutdown_super+0x134/0x2b0 fs/super.c:693
 kill_block_super+0x44/0x90 fs/super.c:1660
 deactivate_locked_super+0x97/0x100 fs/super.c:481
 cleanup_mnt+0x429/0x4c0 fs/namespace.c:1259
 task_work_run+0x1ce/0x250 kernel/task_work.c:239
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0xe6/0x110 kernel/entry/common.c:177
 exit_to_user_mode_prepare+0xf6/0x180 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline]
 syscall_exit_to_user_mode+0x1a/0x50 kernel/entry/common.c:302
 do_syscall_64+0x61/0xb0 arch/x86/entry/common.c:87
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fab2ff90a77
Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007ffd51501178 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007fab30013d7d RCX: 00007fab2ff90a77
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd51501230
RBP: 00007ffd51501230 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffd515022c0
R13: 00007fab30013d7d R14: 0000000000017d08 R15: 00007ffd51502300
 </TASK>
ocfs2: Unmounting device (7,0) on (node local)

Crashes (24):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/12/04 09:13 linux-6.6.y 4791134e4aeb d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (clean fs)] ci2-linux-6-6-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
2025/09/02 03:57 linux-6.6.y cc1a1c5b404a 807a3b61 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (clean fs)] ci2-linux-6-6-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
2025/08/18 05:15 linux-6.6.y bb9c90ab9c5a 1804e95e .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (clean fs)] ci2-linux-6-6-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
2025/08/18 04:34 linux-6.6.y bb9c90ab9c5a 1804e95e .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (clean fs)] ci2-linux-6-6-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
2025/08/18 03:10 linux-6.6.y bb9c90ab9c5a 1804e95e .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (clean fs)] ci2-linux-6-6-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
2025/11/29 23:47 linux-6.6.y 1e89a1be4fe9 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
2025/11/02 12:54 linux-6.6.y e5bbb12db2c7 2c50b6a9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
2025/10/16 14:06 linux-6.6.y 0bbbd97a442d 19568248 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
2025/10/16 00:06 linux-6.6.y 0bbbd97a442d 19568248 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
2025/09/29 13:47 linux-6.6.y 147338df3487 86341da6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
2025/09/29 13:47 linux-6.6.y 147338df3487 86341da6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
2025/09/18 20:20 linux-6.6.y 60a9e718726f e2beed91 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
2025/09/11 21:59 linux-6.6.y 60a9e718726f e2beed91 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
2025/08/29 12:44 linux-6.6.y cc1a1c5b404a 3e1beec6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
2025/08/26 19:19 linux-6.6.y bb9c90ab9c5a e12e5ba4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
2025/08/26 19:19 linux-6.6.y bb9c90ab9c5a e12e5ba4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
2025/08/25 22:40 linux-6.6.y bb9c90ab9c5a bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
2025/08/24 02:07 linux-6.6.y bb9c90ab9c5a bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
2025/08/24 02:05 linux-6.6.y bb9c90ab9c5a bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
2025/08/24 01:59 linux-6.6.y bb9c90ab9c5a bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
2025/08/07 03:46 linux-6.6.y 3a8ababb8b6a 9a42d6b1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
2025/08/07 03:43 linux-6.6.y 3a8ababb8b6a 9a42d6b1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
2025/07/01 01:57 linux-6.6.y 3f5b4c104b7d 6e83b42d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
2025/07/01 01:57 linux-6.6.y 3f5b4c104b7d 6e83b42d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
* Struck through repros no longer work on HEAD.