EXT4-fs (loop2): encrypted files will use data=ordered instead of data journaling mode ------------[ cut here ]------------ Looking for class "" with key init_kmem_cache_cpus.__key, but found a different class "&c->lock" with the same key WARNING: CPU: 0 PID: 6829 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: 6829 Comm: syz.2.76 Not tainted 6.14.0-rc6-syzkaller-g059f6cbcfa70 #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 : ffff8000a10e6ee0 x29: ffff8000a10e6ee0 x28: dfff800000000000 x27: 0000000000000000 x26: ffff800097798900 x25: ffff800097798000 x24: 0000000000000001 x23: 0000000000000000 x22: 1ffff00011f780cb x21: ffff8000977f96e0 x20: fffffdffbf6e11c0 x19: ffff80009326b528 x18: 0000000000000008 x17: 6f6620747562202c x16: ffff8000832b7b9c x15: 0000000000000001 x14: 1fffe000366f18f2 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000080000 x10: 000000000000ca0d x9 : 20eed078cde54500 x8 : 20eed078cde54500 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff8000a10e6698 x4 : ffff80008fcaf7c0 x3 : ffff8000807430c0 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 ext4_mb_add_groupinfo+0x5d8/0xd00 fs/ext4/mballoc.c:3356 ext4_mb_init_backend fs/ext4/mballoc.c:3435 [inline] ext4_mb_init+0xfa8/0x1e38 fs/ext4/mballoc.c:3733 __ext4_fill_super fs/ext4/super.c:5551 [inline] ext4_fill_super+0x4594/0x503c fs/ext4/super.c:5722 get_tree_bdev_flags+0x38c/0x494 fs/super.c:1636 get_tree_bdev+0x2c/0x3c fs/super.c:1659 ext4_get_tree+0x28/0x38 fs/ext4/super.c:5754 vfs_get_tree+0x90/0x28c fs/super.c:1814 do_new_mount+0x278/0x900 fs/namespace.c:3560 path_mount+0x590/0xe04 fs/namespace.c:3887 do_mount fs/namespace.c:3900 [inline] __do_sys_mount fs/namespace.c:4111 [inline] __se_sys_mount fs/namespace.c:4088 [inline] __arm64_sys_mount+0x4f4/0x5d0 fs/namespace.c:4088 __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: 5934 hardirqs last enabled at (5933): [] seqcount_lockdep_reader_access+0x6c/0xd4 include/linux/seqlock.h:74 hardirqs last disabled at (5934): [] ___slab_alloc+0xca4/0xf4c mm/slub.c:3875 softirqs last enabled at (5570): [] softirq_handle_end kernel/softirq.c:407 [inline] softirqs last enabled at (5570): [] handle_softirqs+0xb44/0xd34 kernel/softirq.c:589 softirqs last disabled at (5519): [] __do_softirq+0x14/0x20 kernel/softirq.c:595 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop2): 1 truncate cleaned up EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.