XFS (loop3): Unmounting Filesystem ca7e2101-b8f1-4838-8e2d-7637b90620e6 ------------[ cut here ]------------ lockdep bfs error:-1 WARNING: CPU: 0 PID: 6157 at kernel/locking/lockdep.c:2071 print_bfs_bug+0x34/0x48 kernel/locking/lockdep.c:2071 Modules linked in: CPU: 0 PID: 6157 Comm: syz-executor268 Not tainted 6.7.0-rc3-syzkaller-g2cc14f52aeb7 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 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 : ffff800096d86b00 x29: ffff800096d86b00 x28: ffff0000d4de4248 x27: ffff80009183f000 x26: 0000000000000003 x25: 0000000000000001 x24: 1fffe0001a9bc849 x23: ffff8000924bb188 x22: 000000000000008f x21: ffff8000924bb1f8 x20: 0000000000000001 x19: 00000000ffffffff x18: ffff800096d86c80 x17: 0000000000000000 x16: ffff80008a825660 x15: 0000000000000001 x14: 1fffe0003682663a x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000004 x10: 0000000000ff0100 x9 : 398063d69747a700 x8 : 398063d69747a700 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff800096d863f8 x4 : ffff80008e5c1f40 x3 : ffff8000805af654 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:525 [inline] do_write_seqcount_begin include/linux/seqlock.h:551 [inline] psi_account_irqtime+0x310/0x7cc kernel/sched/psi.c:1016 update_rq_clock_task kernel/sched/core.c:725 [inline] update_rq_clock+0x1b8/0x634 kernel/sched/core.c:769 __schedule+0x338/0x2360 kernel/sched/core.c:6609 preempt_schedule_irq+0x80/0x188 kernel/sched/core.c:7008 arm64_preempt_schedule_irq arch/arm64/kernel/entry-common.c:267 [inline] __el1_irq arch/arm64/kernel/entry-common.c:505 [inline] el1_interrupt+0x4c/0x68 arch/arm64/kernel/entry-common.c:517 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:522 el1h_64_irq+0x64/0x68 arch/arm64/kernel/entry.S:591 __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:3143 drain_workqueue+0xb8/0x32c kernel/workqueue.c:3308 destroy_workqueue+0xb8/0xdc4 kernel/workqueue.c:4803 xfs_destroy_mount_workqueues+0x90/0xdc fs/xfs/xfs_super.c:610 xfs_fs_put_super+0x108/0x124 fs/xfs/xfs_super.c:1157 generic_shutdown_super+0x130/0x2b8 fs/super.c:696 kill_block_super+0x44/0x90 fs/super.c:1667 xfs_kill_sb+0x20/0x58 fs/xfs/xfs_super.c:2033 deactivate_locked_super+0xc4/0x144 fs/super.c:484 deactivate_super+0xe0/0x100 fs/super.c:517 cleanup_mnt+0x34c/0x3dc fs/namespace.c:1256 __cleanup_mnt+0x20/0x30 fs/namespace.c:1263 task_work_run+0x230/0x2e0 kernel/task_work.c:180 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] do_notify_resume+0x214c/0x393c arch/arm64/kernel/signal.c:1305 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:137 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:144 [inline] el0_svc+0x9c/0x158 arch/arm64/kernel/entry-common.c:679 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595 irq event stamp: 7638278 hardirqs last enabled at (7638277): [<ffff80008a8fed6c>] preempt_schedule_irq+0x74/0x188 kernel/sched/core.c:7007 hardirqs last disabled at (7638278): [<ffff80008a8fc71c>] __schedule+0x2b8/0x2360 kernel/sched/core.c:6586 softirqs last enabled at (7638276): [<ffff80008002189c>] softirq_handle_end kernel/softirq.c:399 [inline] softirqs last enabled at (7638276): [<ffff80008002189c>] __do_softirq+0xac8/0xce4 kernel/softirq.c:582 softirqs last disabled at (7638271): [<ffff80008002aadc>] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- XFS (loop3): Unmounting Filesystem ca7e2101-b8f1-4838-8e2d-7637b90620e6 XFS (loop3): Unmounting Filesystem ca7e2101-b8f1-4838-8e2d-7637b90620e6 XFS (loop3): Unmounting Filesystem ca7e2101-b8f1-4838-8e2d-7637b90620e6 XFS (loop3): Unmounting Filesystem ca7e2101-b8f1-4838-8e2d-7637b90620e6 XFS (loop3): Unmounting Filesystem ca7e2101-b8f1-4838-8e2d-7637b90620e6 XFS (loop3): Unmounting Filesystem ca7e2101-b8f1-4838-8e2d-7637b90620e6 XFS (loop3): Unmounting Filesystem ca7e2101-b8f1-4838-8e2d-7637b90620e6 XFS (loop3): Unmounting Filesystem ca7e2101-b8f1-4838-8e2d-7637b90620e6 XFS (loop3): Unmounting Filesystem ca7e2101-b8f1-4838-8e2d-7637b90620e6 XFS (loop3): Unmounting Filesystem ca7e2101-b8f1-4838-8e2d-7637b90620e6 XFS (loop3): Unmounting Filesystem ca7e2101-b8f1-4838-8e2d-7637b90620e6 XFS (loop3): Unmounting Filesystem ca7e2101-b8f1-4838-8e2d-7637b90620e6 XFS (loop3): Unmounting Filesystem ca7e2101-b8f1-4838-8e2d-7637b90620e6 XFS (loop3): Unmounting Filesystem ca7e2101-b8f1-4838-8e2d-7637b90620e6