INFO: task kworker/0:1H:149 blocked for more than 145 seconds. Not tainted 5.15.106-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:1H state:D stack: 0 pid: 149 ppid: 2 flags:0x00000008 Workqueue: xfs-log/loop4 xlog_ioend_work Call trace: __switch_to+0x308/0x5e8 arch/arm64/kernel/process.c:518 context_switch kernel/sched/core.c:5026 [inline] __schedule+0xf10/0x1e38 kernel/sched/core.c:6372 schedule+0x11c/0x1c8 kernel/sched/core.c:6455 schedule_timeout+0xb8/0x344 kernel/time/timer.c:1860 __down_common+0x2a4/0x4e0 kernel/locking/semaphore.c:224 __down+0x18/0x24 kernel/locking/semaphore.c:241 down+0x98/0xec kernel/locking/semaphore.c:62 xfs_buf_lock+0x1f8/0x798 fs/xfs/xfs_buf.c:1080 xfs_buf_item_unpin+0x1ec/0x808 fs/xfs/xfs_buf_item.c:546 xfs_trans_committed_bulk+0x2b0/0x70c fs/xfs/xfs_trans.c:780 xlog_cil_committed+0x22c/0xc20 fs/xfs/xfs_log_cil.c:631 xlog_cil_process_committed+0x11c/0x174 fs/xfs/xfs_log_cil.c:659 xlog_state_shutdown_callbacks+0x23c/0x324 fs/xfs/xfs_log.c:516 xlog_force_shutdown+0x1a8/0x208 fs/xfs/xfs_log.c:3896 xfs_do_force_shutdown+0x118/0x5e8 fs/xfs/xfs_fsops.c:529 xlog_ioend_work+0xc0/0x114 fs/xfs/xfs_log.c:1364 process_one_work+0x790/0x11b8 kernel/workqueue.c:2306 worker_thread+0x910/0x1034 kernel/workqueue.c:2453 kthread+0x37c/0x45c kernel/kthread.c:319 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870 INFO: task syz-executor.4:5004 blocked for more than 145 seconds. Not tainted 5.15.106-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.4 state:D stack: 0 pid: 5004 ppid: 4108 flags:0x00000009 Call trace: __switch_to+0x308/0x5e8 arch/arm64/kernel/process.c:518 context_switch kernel/sched/core.c:5026 [inline] __schedule+0xf10/0x1e38 kernel/sched/core.c:6372 schedule+0x11c/0x1c8 kernel/sched/core.c:6455 xlog_wait+0x154/0x1d0 fs/xfs/xfs_log_priv.h:625 xlog_wait_on_iclog+0x39c/0x684 fs/xfs/xfs_log.c:885 xlog_force_lsn+0x5d4/0x7bc fs/xfs/xfs_log.c:3423 xfs_log_force_seq+0x310/0x81c fs/xfs/xfs_log.c:3460 __xfs_trans_commit+0x8cc/0xe98 fs/xfs/xfs_trans.c:890 xfs_trans_commit+0x24/0x34 fs/xfs/xfs_trans.c:925 xfs_sync_sb_buf+0x150/0x1ec fs/xfs/libxfs/xfs_sb.c:1100 xfs_ioc_setlabel fs/xfs/xfs_ioctl.c:1875 [inline] xfs_file_ioctl+0x1ef4/0x297c fs/xfs/xfs_ioctl.c:1964 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:874 [inline] __se_sys_ioctl fs/ioctl.c:860 [inline] __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:860 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:596 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 Showing all locks held in the system: 1 lock held by khungtaskd/27: #0: ffff800014aa1660 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:268 2 locks held by kworker/0:1H/149: #0: ffff0000d57c7938 ((wq_completion)xfs-log/loop4){+.+.}-{0:0}, at: process_one_work+0x66c/0x11b8 kernel/workqueue.c:2279 #1: ffff80001a417c00 ((work_completion)(&iclog->ic_end_io_work)){+.+.}-{0:0}, at: process_one_work+0x6ac/0x11b8 kernel/workqueue.c:2281 1 lock held by udevd/3584: 2 locks held by getty/3733: #0: ffff0000d246e098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 drivers/tty/tty_ldsem.c:340 #1: ffff80001a34b2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1200 drivers/tty/n_tty.c:2147 1 lock held by syz-executor.5/4086: #0: ffff800014aa5be8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:290 [inline] #0: ffff800014aa5be8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x320/0x660 kernel/rcu/tree_exp.h:840 2 locks held by kworker/u4:12/4285: #0: ffff0000c0029138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x66c/0x11b8 kernel/workqueue.c:2279 #1: ffff80001e957c00 ((reaper_work).work){+.+.}-{0:0}, at: process_one_work+0x6ac/0x11b8 kernel/workqueue.c:2281 1 lock held by syz-executor.4/5004: #0: ffff000101204460 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write_file+0x64/0x1e8 fs/namespace.c:421 2 locks held by kworker/0:12/5682: #0: ffff0000c0021d38 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x66c/0x11b8 kernel/workqueue.c:2279 #1: ffff800021df7c00 ((work_completion)(&rew.rew_work)){+.+.}-{0:0}, at: process_one_work+0x6ac/0x11b8 kernel/workqueue.c:2281 1 lock held by syz-executor.3/7415: 1 lock held by syz-executor.2/7419: =============================================