loop3: detected capacity change from 0 to 32768
ocfs2: Readonly device (7,3) detected. Cluster services will not be used for this mount. Recovery will be skipped.
ocfs2: Mounting device (7,3) on (node local, slot 65535) with writeback data mode.
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: 21427 Comm: syz.3.7634 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
 <TASK>
 dump_stack_lvl+0x188/0x24e lib/dump_stack.c:106
 assign_lock_key+0x201/0x230 kernel/locking/lockdep.c:974
 register_lock_class+0x21d/0x870 kernel/locking/lockdep.c:1287
 __lock_acquire+0x16f/0x7d10 kernel/locking/lockdep.c:4928
 lock_acquire+0x1bb/0x4a0 kernel/locking/lockdep.c:5662
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0xb0/0x100 kernel/locking/spinlock.c:162
 ocfs2_mark_lockres_freeing+0x159/0x600 fs/ocfs2/dlmglue.c:3515
 ocfs2_simple_drop_lockres fs/ocfs2/dlmglue.c:3571 [inline]
 ocfs2_drop_osb_locks fs/ocfs2/dlmglue.c:3579 [inline]
 ocfs2_dlm_shutdown+0x36/0x240 fs/ocfs2/dlmglue.c:3389
 ocfs2_dismount_volume+0x47f/0x940 fs/ocfs2/super.c:1923
 generic_shutdown_super+0x130/0x340 fs/super.c:501
 kill_block_super+0x7c/0xe0 fs/super.c:1470
 deactivate_locked_super+0x93/0xf0 fs/super.c:332
 cleanup_mnt+0x42c/0x4b0 fs/namespace.c:1191
 task_work_run+0x1d0/0x260 kernel/task_work.c:203
 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+0xee/0x180 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
 syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:303
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f9be979da0a
Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 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:00007f9bea5e9e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffec RBX: 00007f9bea5e9ee0 RCX: 00007f9be979da0a
RDX: 0000200000004480 RSI: 00002000000044c0 RDI: 00007f9bea5e9ea0
RBP: 0000200000004480 R08: 00007f9bea5e9ee0 R09: 0000000000800401
R10: 0000000000800401 R11: 0000000000000246 R12: 00002000000044c0
R13: 00007f9bea5e9ea0 R14: 000000000000446c R15: 0000200000000080
 </TASK>
ocfs2: Unmounting device (7,3) on (node local)