XFS (loop3): Mounting V5 Filesystem
XFS (loop3): Ending clean mount
BUG: MAX_LOCKDEP_CHAINS too low!
turning off the locking correctness validator.
CPU: 0 PID: 9255 Comm: syz.3.983 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
Call trace:
 dump_backtrace+0x1c0/0x1ec arch/arm64/kernel/stacktrace.c:158
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165
 __dump_stack+0x30/0x40 lib/dump_stack.c:88
 dump_stack_lvl+0xf4/0x15c lib/dump_stack.c:106
 dump_stack+0x1c/0x5c lib/dump_stack.c:113
 add_chain_cache kernel/locking/lockdep.c:-1 [inline]
 lookup_chain_cache_add kernel/locking/lockdep.c:3772 [inline]
 validate_chain kernel/locking/lockdep.c:3793 [inline]
 __lock_acquire+0x1864/0x6800 kernel/locking/lockdep.c:5049
 lock_acquire+0x20c/0x63c kernel/locking/lockdep.c:5662
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x6c/0xb0 kernel/locking/spinlock.c:162
 complete+0x30/0x198 kernel/sched/completion.c:32
 flush_workqueue_prep_pwqs+0x3bc/0x44c kernel/workqueue.c:2788
 __flush_workqueue+0x364/0x104c kernel/workqueue.c:2838
 xlog_cil_push_now fs/xfs/xfs_log_cil.c:1521 [inline]
 xlog_cil_force_seq+0x168/0x63c fs/xfs/xfs_log_cil.c:1723
 xfs_log_force_seq+0x1e0/0x4fc fs/xfs/xfs_log.c:3372
 __xfs_trans_commit+0x8c4/0xe6c fs/xfs/xfs_trans.c:1013
 xfs_trans_commit+0x24/0x34 fs/xfs/xfs_trans.c:1048
 xfs_setattr_nonsize+0x900/0xc90 fs/xfs/xfs_iops.c:740
 xfs_vn_setattr+0x2d0/0x37c fs/xfs/xfs_iops.c:1023
 notify_change+0xb0c/0xdcc fs/attr.c:499
 ovl_do_notify_change fs/overlayfs/overlayfs.h:142 [inline]
 ovl_workdir_create+0x4bc/0x658 fs/overlayfs/super.c:833
 ovl_make_workdir fs/overlayfs/super.c:1389 [inline]
 ovl_get_workdir+0x318/0x10bc fs/overlayfs/super.c:1539
 ovl_fill_super+0x1390/0x2240 fs/overlayfs/super.c:2095
 mount_nodev+0x68/0x104 fs/super.c:1489
 ovl_mount+0x3c/0x50 fs/overlayfs/super.c:2186
 legacy_get_tree+0xd4/0x16c fs/fs_context.c:632
 vfs_get_tree+0x90/0x274 fs/super.c:1573
 do_new_mount+0x228/0x810 fs/namespace.c:3078
 path_mount+0x5bc/0xe80 fs/namespace.c:3408
 do_mount fs/namespace.c:3421 [inline]
 __do_sys_mount fs/namespace.c:3629 [inline]
 __se_sys_mount fs/namespace.c:3606 [inline]
 __arm64_sys_mount+0x49c/0x59c fs/namespace.c:3606
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b4 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x58/0x130 arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585