------------[ 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: 0 PID: 8154 at kernel/locking/lockdep.c:941 look_up_lock_class+0xec/0x160 kernel/locking/lockdep.c:938 Modules linked in: CPU: 0 UID: 0 PID: 8154 Comm: syz.2.272 Not tainted 6.14.0-rc7-syzkaller-ga2392f333575 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : look_up_lock_class+0xec/0x160 kernel/locking/lockdep.c:938 lr : look_up_lock_class+0xec/0x160 kernel/locking/lockdep.c:938 sp : ffff80009cf858e0 x29: ffff80009cf858e0 x28: dfff800000000000 x27: 0000000000000000 x26: ffff800097a41900 x25: ffff800097a41000 x24: 0000000000000001 x23: 0000000000000000 x22: 1ffff00011fa80cd x21: ffff800097aa26e0 x20: fffffdffbf6e4270 x19: ffff800093514528 x18: 0000000000000008 x17: 202c79656b5f5f2e x16: ffff8000832b867c x15: 0000000000000001 x14: 1fffe000366e72f2 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000003 x10: 0000000000ff0100 x9 : 280e5dd42f53ef00 x8 : 280e5dd42f53ef00 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80009cf85098 x4 : ffff80008fe2fb00 x3 : ffff800080744ed0 x2 : 0000000000000001 x1 : 0000000100000001 x0 : 0000000000000000 Call trace: look_up_lock_class+0xec/0x160 kernel/locking/lockdep.c:938 (P) register_lock_class+0x8c/0x6b4 kernel/locking/lockdep.c:1292 __lock_acquire+0x18c/0x7904 kernel/locking/lockdep.c:5103 lock_acquire+0x23c/0x724 kernel/locking/lockdep.c:5851 local_lock_acquire+0x3c/0x98 include/linux/local_lock_internal.h:29 ___slab_alloc+0xcd0/0xf4c mm/slub.c:3875 __slab_alloc+0x74/0xd0 mm/slub.c:3916 __slab_alloc_node mm/slub.c:3991 [inline] slab_alloc_node mm/slub.c:4152 [inline] kmem_cache_alloc_noprof+0x300/0x410 mm/slub.c:4171 jbd2_alloc+0x148/0x1a4 fs/jbd2/journal.c:2763 jbd2_journal_get_undo_access+0x1b0/0x2c8 fs/jbd2/transaction.c:1395 __ocfs2_journal_access+0x4a0/0x8c4 fs/ocfs2/journal.c:692 ocfs2_journal_access_gd+0x70/0x88 fs/ocfs2/journal.c:745 ocfs2_block_group_set_bits+0x280/0x948 fs/ocfs2/suballoc.c:1387 ocfs2_search_chain+0x16c0/0x21f8 fs/ocfs2/suballoc.c:1900 ocfs2_claim_suballoc_bits+0x9ac/0x1e0c fs/ocfs2/suballoc.c:1985 __ocfs2_claim_clusters+0x2a0/0x8a8 fs/ocfs2/suballoc.c:2395 ocfs2_claim_clusters fs/ocfs2/suballoc.c:2432 [inline] ocfs2_block_group_alloc_contig fs/ocfs2/suballoc.c:432 [inline] ocfs2_block_group_alloc fs/ocfs2/suballoc.c:699 [inline] ocfs2_reserve_suballoc_bits+0xd44/0x4254 fs/ocfs2/suballoc.c:832 ocfs2_reserve_new_metadata_blocks+0x384/0x848 fs/ocfs2/suballoc.c:982 ocfs2_mknod+0xdc8/0x2438 fs/ocfs2/namei.c:347 ocfs2_create+0x194/0x4d4 fs/ocfs2/namei.c:673 lookup_open fs/namei.c:3651 [inline] open_last_lookups fs/namei.c:3750 [inline] path_openat+0x13ec/0x2b1c fs/namei.c:3986 do_filp_open+0x1e8/0x404 fs/namei.c:4016 do_sys_openat2+0x124/0x1b8 fs/open.c:1428 do_sys_open fs/open.c:1443 [inline] __do_sys_openat fs/open.c:1459 [inline] __se_sys_openat fs/open.c:1454 [inline] __arm64_sys_openat+0x1f0/0x240 fs/open.c:1454 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 irq event stamp: 578 hardirqs last enabled at (577): [] seqcount_lockdep_reader_access+0x6c/0xd4 include/linux/seqlock.h:74 hardirqs last disabled at (578): [] ___slab_alloc+0xca4/0xf4c mm/slub.c:3875 softirqs last enabled at (560): [] softirq_handle_end kernel/softirq.c:407 [inline] softirqs last enabled at (560): [] handle_softirqs+0xb44/0xd34 kernel/softirq.c:589 softirqs last disabled at (413): [] __do_softirq+0x14/0x20 kernel/softirq.c:595 ---[ end trace 0000000000000000 ]--- OCFS2: ERROR (device loop2): int ocfs2_claim_suballoc_bits(struct ocfs2_alloc_context *, handle_t *, u32, u32, struct ocfs2_suballoc_result *): Chain allocator dinode 73 has 4294901761 used bits but only 0 total On-disk corruption discovered. Please run fsck.ocfs2 once the filesystem is unmounted. OCFS2: File system is now read-only. (syz.2.272,8154,1):ocfs2_claim_suballoc_bits:2038 ERROR: status = -30 (syz.2.272,8154,1):ocfs2_claim_metadata:2063 ERROR: status = -30 (syz.2.272,8154,1):ocfs2_claim_metadata:2076 ERROR: status = -30 (syz.2.272,8154,0):ocfs2_create_xattr_block:2887 ERROR: status = -30 (syz.2.272,8154,0):ocfs2_xattr_block_set:2968 ERROR: status = -30 (syz.2.272,8154,0):ocfs2_mknod:422 ERROR: status = -30 (syz.2.272,8154,0):ocfs2_mknod:502 ERROR: status = -30 (syz.2.272,8154,0):ocfs2_create:675 ERROR: status = -30