XFS (loop3): Unmounting Filesystem a2f82aab-77f8-4286-afd4-a8f747a74bab ------------[ cut here ]------------ lockdep bfs error:-1 WARNING: CPU: 0 PID: 6206 at kernel/locking/lockdep.c:2071 print_bfs_bug+0x34/0x48 kernel/locking/lockdep.c:2071 Modules linked in: CPU: 0 PID: 6206 Comm: syz-executor152 Not tainted 6.8.0-rc7-syzkaller-g707081b61156 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : print_bfs_bug+0x34/0x48 kernel/locking/lockdep.c:2071 lr : print_bfs_bug+0x34/0x48 kernel/locking/lockdep.c:2071 sp : ffff800097826e00 x29: ffff800097826e00 x28: ffff0000d83328c8 x27: ffff800092236000 x26: 0000000000000003 x25: 0000000000000001 x24: 1fffe0001b066519 x23: ffff800092e14388 x22: 000000000000008a x21: ffff800092e143f8 x20: 0000000000000001 x19: 00000000ffffffff x18: ffff800097826f80 x17: 0000000000000000 x16: ffff80008ad6b09c x15: 0000000000000001 x14: 1fffe00036800002 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000004 x10: 0000000000ff0100 x9 : 7c51dee8f4a80800 x8 : 7c51dee8f4a80800 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff8000978266f8 x4 : ffff80008ed822c0 x3 : ffff8000805ba130 x2 : 0000000000000001 x1 : 0000000000000002 x0 : 0000000000000000 Call trace: print_bfs_bug+0x34/0x48 kernel/locking/lockdep.c:2071 check_prev_add kernel/locking/lockdep.c:3138 [inline] check_prevs_add kernel/locking/lockdep.c:3253 [inline] validate_chain kernel/locking/lockdep.c:3869 [inline] __lock_acquire+0x63ac/0x763c kernel/locking/lockdep.c:5137 lock_acquire+0x23c/0x71c kernel/locking/lockdep.c:5754 do_write_seqcount_begin_nested include/linux/seqlock.h:469 [inline] do_write_seqcount_begin include/linux/seqlock.h:495 [inline] psi_account_irqtime+0x310/0x7cc kernel/sched/psi.c:1016 update_rq_clock_task kernel/sched/core.c:726 [inline] update_rq_clock+0x1b8/0x634 kernel/sched/core.c:770 __schedule+0x348/0x24b4 kernel/sched/core.c:6648 preempt_schedule_irq+0x80/0x188 kernel/sched/core.c:7047 arm64_preempt_schedule_irq arch/arm64/kernel/entry-common.c:301 [inline] __el1_irq arch/arm64/kernel/entry-common.c:539 [inline] el1_interrupt+0x4c/0x68 arch/arm64/kernel/entry-common.c:551 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:556 el1h_64_irq+0x64/0x68 arch/arm64/kernel/entry.S:594 __daif_local_irq_restore arch/arm64/include/asm/irqflags.h:176 [inline] arch_local_irq_restore arch/arm64/include/asm/irqflags.h:196 [inline] lock_acquire+0x278/0x71c kernel/locking/lockdep.c:5757 __flush_workqueue+0x14c/0x11c4 kernel/workqueue.c:3146 drain_workqueue+0xb8/0x32c kernel/workqueue.c:3311 destroy_workqueue+0xb8/0xdc4 kernel/workqueue.c:4793 xfs_destroy_mount_workqueues+0x3c/0xdc fs/xfs/xfs_super.c:598 xfs_fs_put_super+0x108/0x124 fs/xfs/xfs_super.c:1142 generic_shutdown_super+0x128/0x2b8 fs/super.c:641 kill_block_super+0x44/0x90 fs/super.c:1675 xfs_kill_sb+0x20/0x58 fs/xfs/xfs_super.c:2025 deactivate_locked_super+0xc4/0x12c fs/super.c:472 deactivate_super+0xe0/0x100 fs/super.c:505 cleanup_mnt+0x34c/0x3dc fs/namespace.c:1267 __cleanup_mnt+0x20/0x30 fs/namespace.c:1274 task_work_run+0x230/0x2e0 kernel/task_work.c:180 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x178/0x1f4 arch/arm64/kernel/entry-common.c:151 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:169 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:178 [inline] el0_svc+0xac/0x168 arch/arm64/kernel/entry-common.c:713 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598 irq event stamp: 8945328 hardirqs last enabled at (8945327): [] preempt_schedule_irq+0x74/0x188 kernel/sched/core.c:7046 hardirqs last disabled at (8945328): [] __schedule+0x2bc/0x24b4 kernel/sched/core.c:6625 softirqs last enabled at (8945326): [] softirq_handle_end kernel/softirq.c:399 [inline] softirqs last enabled at (8945326): [] __do_softirq+0xac8/0xce4 kernel/softirq.c:582 softirqs last disabled at (8945233): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:81 ---[ end trace 0000000000000000 ]--- XFS (loop3): Unmounting Filesystem a2f82aab-77f8-4286-afd4-a8f747a74bab XFS (loop3): Unmounting Filesystem a2f82aab-77f8-4286-afd4-a8f747a74bab XFS (loop3): Unmounting Filesystem a2f82aab-77f8-4286-afd4-a8f747a74bab XFS (loop3): Unmounting Filesystem a2f82aab-77f8-4286-afd4-a8f747a74bab XFS (loop3): Unmounting Filesystem a2f82aab-77f8-4286-afd4-a8f747a74bab XFS (loop3): Unmounting Filesystem a2f82aab-77f8-4286-afd4-a8f747a74bab XFS (loop3): Unmounting Filesystem a2f82aab-77f8-4286-afd4-a8f747a74bab XFS (loop3): Unmounting Filesystem a2f82aab-77f8-4286-afd4-a8f747a74bab XFS (loop3): Unmounting Filesystem a2f82aab-77f8-4286-afd4-a8f747a74bab XFS (loop3): Unmounting Filesystem a2f82aab-77f8-4286-afd4-a8f747a74bab XFS (loop3): Unmounting Filesystem a2f82aab-77f8-4286-afd4-a8f747a74bab XFS (loop3): Unmounting Filesystem a2f82aab-77f8-4286-afd4-a8f747a74bab XFS (loop3): Unmounting Filesystem a2f82aab-77f8-4286-afd4-a8f747a74bab XFS (loop3): Unmounting Filesystem a2f82aab-77f8-4286-afd4-a8f747a74bab XFS (loop3): Unmounting Filesystem a2f82aab-77f8-4286-afd4-a8f747a74bab XFS (loop3): Unmounting Filesystem a2f82aab-77f8-4286-afd4-a8f747a74bab XFS (loop3): Unmounting Filesystem a2f82aab-77f8-4286-afd4-a8f747a74bab XFS (loop3): Unmounting Filesystem a2f82aab-77f8-4286-afd4-a8f747a74bab XFS (loop3): Unmounting Filesystem a2f82aab-77f8-4286-afd4-a8f747a74bab XFS (loop3): Unmounting Filesystem a2f82aab-77f8-4286-afd4-a8f747a74bab XFS (loop3): Unmounting Filesystem a2f82aab-77f8-4286-afd4-a8f747a74bab