------------[ cut here ]------------ Looking for class "->lock" with key init_kmem_cache_cpus.__key, but found a different class "&c->lock" with the same key WARNING: CPU: 1 PID: 5818 at kernel/locking/lockdep.c:939 look_up_lock_class+0xdc/0x170 kernel/locking/lockdep.c:936 Modules linked in: CPU: 1 UID: 0 PID: 5818 Comm: syz-executor Not tainted 6.13.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 RIP: 0010:look_up_lock_class+0xdc/0x170 kernel/locking/lockdep.c:936 Code: 01 0f 85 8a 00 00 00 c6 05 44 ab 41 04 01 90 49 8b 16 49 8b 76 18 48 8b 8b b8 00 00 00 48 c7 c7 c0 b9 0a 8c e8 d5 05 9f f5 90 <0f> 0b 90 90 eb 61 90 e8 a8 b9 f5 f8 e8 13 5a be f5 48 c7 c7 00 b9 RSP: 0000:ffffc90003efeff0 EFLAGS: 00010046 RAX: 597d521e6385be00 RBX: ffffffff93bf19a0 RCX: ffff88806af33c00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90003eff100 R08: ffffffff816018a2 R09: 1ffff110170e519a R10: dffffc0000000000 R11: ffffed10170e519b R12: ffffe8ffffd6c280 R13: ffffe8ffffd6c280 R14: ffffe8ffffd6c280 R15: ffffffff9a3da320 FS: 000055556b83a500(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb57355b000 CR3: 0000000048d82000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: 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 local_lock_acquire+0x20/0x80 include/linux/local_lock_internal.h:29 ___slab_alloc+0x119c/0x14a0 mm/slub.c:3879 __slab_alloc+0x58/0xa0 mm/slub.c:3920 __slab_alloc_node mm/slub.c:3995 [inline] slab_alloc_node mm/slub.c:4156 [inline] kmem_cache_alloc_noprof+0x268/0x380 mm/slub.c:4175 jbd2_alloc+0x155/0x1b0 fs/jbd2/journal.c:2787 jbd2_journal_get_undo_access+0x1d1/0x310 fs/jbd2/transaction.c:1395 __ocfs2_journal_access+0x4de/0x8b0 fs/ocfs2/journal.c:692 ocfs2_block_group_clear_bits fs/ocfs2/suballoc.c:2459 [inline] _ocfs2_free_suballoc_bits+0x6a1/0x1470 fs/ocfs2/suballoc.c:2562 _ocfs2_free_clusters+0x5ef/0xac0 fs/ocfs2/suballoc.c:2646 ocfs2_sync_local_to_main+0x52f/0xbc0 fs/ocfs2/localalloc.c:991 ocfs2_shutdown_local_alloc+0x742/0xa90 fs/ocfs2/localalloc.c:447 ocfs2_dismount_volume+0x202/0x910 fs/ocfs2/super.c:1877 generic_shutdown_super+0x139/0x2d0 fs/super.c:642 kill_block_super+0x44/0x90 fs/super.c:1710 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: 0033:0x7f9a8a387057 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:00007ffed4127098 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f9a8a387057 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffed4127150 RBP: 00007ffed4127150 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffed41281d0 R13: 00007f9a8a4018f4 R14: 00007ffed4128210 R15: 000000000000001a