------------[ cut here ]------------ Looking for class "c->lock" with key init_kmem_cache_cpus.__key, but found a different class "&c->lock" with the same key WARNING: CPU: 0 PID: 7921 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: 7921 Comm: syz.5.306 Not tainted 6.14.0-rc5-syzkaller-g14d05f12084d #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 : ffff80009eb26de0 x29: ffff80009eb26de0 x28: dfff800000000000 x27: 0000000000000000 x26: ffff800097798900 x25: ffff800097798000 x24: 0000000000000001 x23: 0000000000000000 x22: 1ffff00011f780cb x21: ffff8000977f96e0 x20: fffffdffbf72f880 x19: ffff80009326b528 x18: 0000000000000008 x17: 2c79656b5f5f2e73 x16: ffff8000832b8f3c x15: 0000000000000001 x14: 1fffe000366f18f2 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000080000 x10: 0000000000002a55 x9 : 52313b7ee357e700 x8 : 52313b7ee357e700 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80009eb26598 x4 : ffff80008fcaf7a0 x3 : ffff80008074476c 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 f2fs_kmem_cache_alloc fs/f2fs/f2fs.h:2855 [inline] xattr_alloc fs/f2fs/xattr.c:30 [inline] lookup_all_xattrs fs/f2fs/xattr.c:333 [inline] f2fs_getxattr+0x400/0xcbc fs/f2fs/xattr.c:533 f2fs_xattr_generic_get+0x130/0x174 fs/f2fs/xattr.c:63 __vfs_getxattr+0x394/0x3c0 fs/xattr.c:423 smk_fetch+0xc8/0x150 security/smack/smack_lsm.c:290 smack_d_instantiate+0x594/0x880 security/smack/smack_lsm.c:3599 security_d_instantiate+0x100/0x204 security/security.c:4079 d_splice_alias+0x70/0x310 fs/dcache.c:3017 f2fs_lookup+0x4c8/0x948 fs/f2fs/namei.c:524 lookup_one_qstr_excl+0x10c/0x25c fs/namei.c:1693 do_renameat2+0x51c/0xe50 fs/namei.c:5167 __do_sys_renameat2 fs/namei.c:5260 [inline] __se_sys_renameat2 fs/namei.c:5257 [inline] __arm64_sys_renameat2+0xd8/0xf4 fs/namei.c:5257 __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: 247610 hardirqs last enabled at (247609): [] seqcount_lockdep_reader_access+0x6c/0xd4 include/linux/seqlock.h:74 hardirqs last disabled at (247610): [] ___slab_alloc+0xca4/0xf4c mm/slub.c:3875 softirqs last enabled at (247536): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (247534): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]---