INFO: trying to register non-static key in ocfs2_dlm_shutdown

Status: upstream: reported C repro on 2024/10/12 01:18
Bug presence: origin:upstream
[Documentation on labels]
Reported-by: syzbot+cf10996a1bb1b4cbfa63@syzkaller.appspotmail.com
First crash: 668d, last: 4d02h
Fix bisection: failed (error log, bisect log)
  
▶ ▼ Bug presence (2)
Date Name Commit Repro Result
2025/01/07 upstream (ToT) fbfd64d25c7a C [report] INFO: trying to register non-static key in ocfs2_dlm_shutdown
2026/05/10 upstream (ToT) afaa0a477099 C Failed due to an error; will retry later
▶ ▼ 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 syz, C inconclusive 346 28d 696d 0/3 upstream: reported C repro on 2024/09/14 00:27
linux-6.6 INFO: trying to register non-static key in ocfs2_dlm_shutdown origin:upstream -1 syz, C error 62 46d 406d 0/2 upstream: reported C repro on 2025/07/01 01:58
upstream INFO: trying to register non-static key in ocfs2_dlm_shutdown prio:normal ocfs2 -1 syz, C done 2591 1h42m 692d 0/29 upstream: reported C repro on 2024/09/17 13:24

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: 0 PID: 4450 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026
Call trace:
 dump_backtrace+0x1c4/0x1f0 arch/arm64/kernel/stacktrace.c:158
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165
 __dump_stack+0x30/0x40 lib/dump_stack.c:88
 dump_stack_lvl+0xf4/0x15c lib/dump_stack.c:106
 dump_stack+0x1c/0x5c lib/dump_stack.c:113
 assign_lock_key+0x230/0x264 kernel/locking/lockdep.c:974
 register_lock_class+0x1ac/0x690 kernel/locking/lockdep.c:1287
 __lock_acquire+0x164/0x6634 kernel/locking/lockdep.c:4942
 lock_acquire+0x20c/0x638 kernel/locking/lockdep.c:5676
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x6c/0xb0 kernel/locking/spinlock.c:162
 ocfs2_mark_lockres_freeing+0x134/0x64c fs/ocfs2/dlmglue.c:3532
 ocfs2_simple_drop_lockres fs/ocfs2/dlmglue.c:3588 [inline]
 ocfs2_drop_osb_locks fs/ocfs2/dlmglue.c:3596 [inline]
 ocfs2_dlm_shutdown+0x3c/0x214 fs/ocfs2/dlmglue.c:3406
 ocfs2_dismount_volume+0x400/0x95c fs/ocfs2/super.c:1923
 ocfs2_put_super+0x108/0x390 fs/ocfs2/super.c:1609
 generic_shutdown_super+0x138/0x32c fs/super.c:501
 kill_block_super+0x78/0xe0 fs/super.c:1470
 deactivate_locked_super+0xb4/0x128 fs/super.c:332
 deactivate_super+0xe4/0x104 fs/super.c:363
 cleanup_mnt+0x3a8/0x430 fs/namespace.c:1191
 __cleanup_mnt+0x20/0x30 fs/namespace.c:1198
 task_work_run+0x1f4/0x280 kernel/task_work.c:203
 get_signal+0x1140/0x133c kernel/signal.c:2649
 do_signal arch/arm64/kernel/signal.c:1095 [inline]
 do_notify_resume+0x364/0x2c84 arch/arm64/kernel/signal.c:1148
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
 el0_svc+0x98/0x128 arch/arm64/kernel/entry-common.c:638
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
ocfs2: Unmounting device (7,0) on (node local)

Crashes (168):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/07/26 18:06 linux-6.1.y dc5c83b7f5f8 492bab15 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (clean fs)] ci2-linux-6-1-kasan-arm64 INFO: trying to register non-static key in ocfs2_dlm_shutdown
2026/07/09 23:16 linux-6.1.y 090666d3cc90 a0c310a3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (clean fs)] ci2-linux-6-1-kasan-arm64 INFO: trying to register non-static key in ocfs2_dlm_shutdown
2025/01/06 06:20 linux-6.1.y 7dc732d24ff7 f3558dbf .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-1-kasan-arm64 INFO: trying to register non-static key in ocfs2_dlm_shutdown
2026/08/07 10:44 linux-6.1.y e4f7d8be268e e4ef95d6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
2026/08/04 13:59 linux-6.1.y fb28aa725e05 d4abbeac .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
2026/07/30 07:42 linux-6.1.y 1016ca6176ee 2377cd3d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
2026/07/29 02:16 linux-6.1.y dc5c83b7f5f8 19622d9d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
2026/07/24 15:48 linux-6.1.y dc5c83b7f5f8 dd737a83 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
2026/07/24 15:48 linux-6.1.y dc5c83b7f5f8 dd737a83 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
2026/07/24 12:49 linux-6.1.y 090666d3cc90 dd737a83 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
2026/07/23 12:33 linux-6.1.y 090666d3cc90 71a13572 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
2026/07/22 23:39 linux-6.1.y 090666d3cc90 881ce5c2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
2026/07/21 23:17 linux-6.1.y 090666d3cc90 b561ce9c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
2026/07/21 10:31 linux-6.1.y 090666d3cc90 7c5de9c3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
2026/07/18 04:11 linux-6.1.y 090666d3cc90 72524a66 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
2026/07/17 16:00 linux-6.1.y 090666d3cc90 8aaff637 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
2026/07/13 12:06 linux-6.1.y 090666d3cc90 cc4833d0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
2026/07/11 02:45 linux-6.1.y 090666d3cc90 d78ea535 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
2026/07/10 00:53 linux-6.1.y 090666d3cc90 4167ee25 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
2026/07/07 12:39 linux-6.1.y 090666d3cc90 76cdc0c0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
2026/07/06 12:05 linux-6.1.y 090666d3cc90 88b240e4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
2026/07/03 04:08 linux-6.1.y fdb6fcb41cc7 58bf2096 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
2026/07/02 16:56 linux-6.1.y fdb6fcb41cc7 2b70b115 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
2026/06/30 14:04 linux-6.1.y fdb6fcb41cc7 00e8b0fd .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
2026/06/25 05:08 linux-6.1.y fdb6fcb41cc7 cfa969bf .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
2026/06/24 12:29 linux-6.1.y fdb6fcb41cc7 302586aa .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
2026/06/10 15:28 linux-6.1.y 228da13e907e f79bac11 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
2026/06/08 03:17 linux-6.1.y 228da13e907e cc095639 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
2026/05/28 11:39 linux-6.1.y dcbcab9d7079 681715f7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
2026/05/23 01:34 linux-6.1.y c27210688955 c69befb3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
2026/05/22 00:39 linux-6.1.y c27210688955 70ae9b03 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
2026/05/21 12:21 linux-6.1.y c27210688955 e195359d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
2026/05/21 09:51 linux-6.1.y c27210688955 41b8c833 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
2026/05/19 22:58 linux-6.1.y c27210688955 0909d65f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
2026/05/12 07:58 linux-6.1.y ad16b162f21d 07aeade5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
2026/04/30 11:47 linux-6.1.y 4931e0e1673d a7464baf .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
2026/04/28 20:49 linux-6.1.y 7c87defbd336 95008c03 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
2026/04/27 21:24 linux-6.1.y 7c87defbd336 ce741359 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
2026/04/27 09:06 linux-6.1.y 7c87defbd336 0f700595 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
2026/04/22 22:20 linux-6.1.y 7c87defbd336 b10da5ec .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
2026/04/18 07:30 linux-6.1.y 8e8fc038cad5 303e2802 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
2026/03/25 08:52 linux-6.1.y f2ddafa93a25 8ee77f7d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
2026/03/21 04:12 linux-6.1.y f2ddafa93a25 5b92003d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
2026/03/11 17:41 linux-6.1.y f2ddafa93a25 2d88ab01 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
2026/03/10 14:29 linux-6.1.y f2ddafa93a25 4683d576 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
2026/03/10 02:16 linux-6.1.y f2ddafa93a25 6972f302 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
2026/03/10 02:11 linux-6.1.y f2ddafa93a25 6972f302 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
2024/10/12 01:17 linux-6.1.y aa4cd140bba5 084d8178 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: trying to register non-static key in ocfs2_dlm_shutdown
2026/07/22 17:45 linux-6.1.y 090666d3cc90 4a865b71 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 INFO: trying to register non-static key in ocfs2_dlm_shutdown
2026/07/15 18:19 linux-6.1.y 090666d3cc90 a4ed0f4f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 INFO: trying to register non-static key in ocfs2_dlm_shutdown
2026/04/08 09:25 linux-6.1.y 1989cd3d56e2 2c961e87 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 INFO: trying to register non-static key in ocfs2_dlm_shutdown
* Struck through repros no longer work on HEAD.