loop1: detected capacity change from 0 to 32768
ocfs2: Readonly device (7,1) detected. Cluster services will not be used for this mount. Recovery will be skipped.
ocfs2: Mounting device (7,1) on (node local, slot 65535) with ordered 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: 0 PID: 17558 Comm: syz.1.2256 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: 0033:0x7f4050390eea
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f4051313e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffec RBX: 00007f4051313ef0 RCX: 00007f4050390eea
RDX: 0000200000004440 RSI: 0000200000000240 RDI: 00007f4051313eb0
RBP: 0000200000004440 R08: 00007f4051313ef0 R09: 0000000002800883
R10: 0000000002800883 R11: 0000000000000246 R12: 0000200000000240
R13: 00007f4051313eb0 R14: 0000000000004468 R15: 0000200000000280
 </TASK>
ocfs2: Unmounting device (7,1) on (node local)