syzbot

bcachefs (loop0): done going read-only, filesystem not clean
bcachefs (loop0): shutdown complete
------------[ cut here ]------------
Looking for class "lock" with key rcu_pending_init.__key, but found a different class "&p->lock" with the same key
WARNING: CPU: 0 PID: 5818 at kernel/locking/lockdep.c:939 look_up_lock_class+0xdc/0x170 kernel/locking/lockdep.c:936
Modules linked in:
CPU: 0 UID: 0 PID: 5818 Comm: syz-executor265 Not tainted 6.13.0-rc2-syzkaller-00333-ga0e3919a2df2 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024
RIP: 0010:look_up_lock_class+0xdc/0x170 kernel/locking/lockdep.c:936
Code: 01 0f 85 8a 00 00 00 c6 05 42 f3 41 04 01 90 49 8b 16 49 8b 76 18 48 8b 8b b8 00 00 00 48 c7 c7 e0 b8 0a 8c e8 55 87 9f f5 90 <0f> 0b 90 90 eb 61 90 e8 28 2d f6 f8 e8 83 e3 be f5 48 c7 c7 20 b8
RSP: 0018:ffffc90003def750 EFLAGS: 00010046
RAX: a9658f60e5397f00 RBX: ffffffff93c40650 RCX: ffff88807e5dda00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90003def860 R08: ffffffff81600962 R09: 1ffff110170c519a
R10: dffffc0000000000 R11: ffffed10170c519b R12: ffffe8ffffd384e0
R13: ffffe8ffffd384e0 R14: ffffe8ffffd384e0 R15: ffffffff9a51ad20
FS:  0000555577abd380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f562737b000 CR3: 0000000034c48000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 register_lock_class+0x102/0x980 kernel/locking/lockdep.c:1290
 __lock_acquire+0xf3/0x2100 kernel/locking/lockdep.c:5101
 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5849
 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:119 [inline]
 _raw_spin_lock_irq+0xd3/0x120 kernel/locking/spinlock.c:170
 spin_lock_irq include/linux/spinlock.h:376 [inline]
 rcu_pending_has_pending_or_armed fs/bcachefs/rcu_pending.c:576 [inline]
 rcu_pending_exit+0x13f/0x7a0 fs/bcachefs/rcu_pending.c:594
 bch2_fs_btree_key_cache_exit+0x97f/0xab0 fs/bcachefs/btree_key_cache.c:741
 __bch2_fs_free fs/bcachefs/super.c:556 [inline]
 bch2_fs_release+0x206/0x7d0 fs/bcachefs/super.c:611
 kobject_cleanup lib/kobject.c:689 [inline]
 kobject_release lib/kobject.c:720 [inline]
 kref_put include/linux/kref.h:65 [inline]
 kobject_put+0x22f/0x480 lib/kobject.c:737
 deactivate_locked_super+0xc4/0x130 fs/super.c:473
 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1373
 task_work_run+0x24f/0x310 kernel/task_work.c:239
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218
 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f562ef32137
Code: 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 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 b8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007ffc3c0daab8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f562ef32137
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc3c0dab70
RBP: 00007ffc3c0dab70 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffc3c0dbbe0
R13: 0000555577abe6c0 R14: 0000000000025b53 R15: 000000000000003a
 </TASK>