------------[ 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: 7232 at kernel/locking/lockdep.c:941 look_up_lock_class+0xec/0x160 kernel/locking/lockdep.c:938 Modules linked in: CPU: 1 UID: 0 PID: 7232 Comm: syz.1.161 Not tainted 6.14.0-rc4-syzkaller-ge056da87c780 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 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 : ffff80009edc7120 x29: ffff80009edc7120 x28: dfff800000000000 x27: 0000000000000000 x26: ffff800097797900 x25: ffff800097797000 x24: 0000000000000001 x23: 0000000000000000 x22: 1ffff00011f780cb x21: ffff8000977f86e0 x20: fffffdffbf7049e0 x19: ffff80009326a528 x18: 0000000000000008 x17: 202c79656b5f5f2e x16: ffff8000832b5180 x15: 0000000000000001 x14: 1fffe000366f60f2 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000080000 x10: 000000000007e053 x9 : 97b380b684c48600 x8 : 97b380b684c48600 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80009edc68d8 x4 : ffff80008fcaf780 x3 : ffff800080741744 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 alloc_pid+0xac/0xba8 kernel/pid.c:184 copy_process+0x1a4c/0x322c kernel/fork.c:2419 kernel_clone+0x1d8/0x82c kernel/fork.c:2815 __do_sys_clone kernel/fork.c:2958 [inline] __se_sys_clone kernel/fork.c:2926 [inline] __arm64_sys_clone+0x1f8/0x270 kernel/fork.c:2926 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x1e0/0x23c 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: 1218 hardirqs last enabled at (1217): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (1217): [] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194 hardirqs last disabled at (1218): [] ___slab_alloc+0xca4/0xf4c mm/slub.c:3875 softirqs last enabled at (800): [] softirq_handle_end kernel/softirq.c:407 [inline] softirqs last enabled at (800): [] handle_softirqs+0xb44/0xd34 kernel/softirq.c:589 softirqs last disabled at (777): [] __do_softirq+0x14/0x20 kernel/softirq.c:595 ---[ end trace 0000000000000000 ]---