INFO: task kworker/0:1H:79 blocked for more than 143 seconds. Not tainted 6.3.0-rc7-syzkaller-g14f8db1c0f9a #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:1H state:D stack:0 pid:79 ppid:2 flags:0x00000008 Workqueue: xfs-log/loop5 xlog_ioend_work Call trace: __switch_to+0x320/0x754 arch/arm64/kernel/process.c:556 context_switch kernel/sched/core.c:5307 [inline] __schedule+0x103c/0x1e2c kernel/sched/core.c:6625 schedule+0xc4/0x170 kernel/sched/core.c:6701 schedule_timeout+0xb8/0x348 kernel/time/timer.c:2143 ___down_common+0x2a4/0x4f0 kernel/locking/semaphore.c:225 __down_common+0xb8/0x43c kernel/locking/semaphore.c:246 __down+0x18/0x24 kernel/locking/semaphore.c:254 down+0x94/0xe8 kernel/locking/semaphore.c:63 xfs_buf_lock+0x178/0x624 fs/xfs/xfs_buf.c:1120 xfs_buf_item_unpin+0x1dc/0x7e8 fs/xfs/xfs_buf_item.c:547 xfs_trans_committed_bulk+0x2d8/0x73c fs/xfs/xfs_trans.c:806 xlog_cil_committed+0x21c/0xcc8 fs/xfs/xfs_log_cil.c:795 xlog_cil_process_committed+0x11c/0x174 fs/xfs/xfs_log_cil.c:823 xlog_state_shutdown_callbacks+0x23c/0x324 fs/xfs/xfs_log.c:538 xlog_force_shutdown+0x29c/0x350 fs/xfs/xfs_log.c:3837 xlog_ioend_work+0xa8/0xf8 fs/xfs/xfs_log.c:1429 process_one_work+0x788/0x12d4 kernel/workqueue.c:2390 worker_thread+0x8e0/0xfe8 kernel/workqueue.c:2537 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870 INFO: task syz-executor.5:15228 blocked for more than 143 seconds. Not tainted 6.3.0-rc7-syzkaller-g14f8db1c0f9a #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.5 state:D stack:0 pid:15228 ppid:5978 flags:0x00000009 Call trace: __switch_to+0x320/0x754 arch/arm64/kernel/process.c:556 context_switch kernel/sched/core.c:5307 [inline] __schedule+0x103c/0x1e2c kernel/sched/core.c:6625 schedule+0xc4/0x170 kernel/sched/core.c:6701 xlog_wait+0x154/0x1d0 fs/xfs/xfs_log_priv.h:617 xlog_wait_on_iclog+0x318/0x5e4 fs/xfs/xfs_log.c:926 xlog_force_lsn+0x4b8/0x76c fs/xfs/xfs_log.c:3372 xfs_log_force_seq+0x278/0x76c fs/xfs/xfs_log.c:3409 __xfs_trans_commit+0x9e0/0xff4 fs/xfs/xfs_trans.c:1014 xfs_trans_commit+0x24/0x34 fs/xfs/xfs_trans.c:1049 xfs_sync_sb_buf+0x150/0x1ec fs/xfs/libxfs/xfs_sb.c:1111 xfs_ioc_setlabel fs/xfs/xfs_ioctl.c:1801 [inline] xfs_file_ioctl+0x1b54/0x2440 fs/xfs/xfs_ioctl.c:1899 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:856 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x198 arch/arm64/kernel/syscall.c:193 el0_svc+0x4c/0x15c arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591 Showing all locks held in the system: 2 locks held by kworker/u4:0/9: #0: ffff0001b4266818 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested kernel/sched/core.c:539 [inline] #0: ffff0001b4266818 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock kernel/sched/sched.h:1366 [inline] #0: ffff0001b4266818 (&rq->__lock){-.-.}-{2:2}, at: rq_lock kernel/sched/sched.h:1653 [inline] #0: ffff0001b4266818 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x2bc/0x1e2c kernel/sched/core.c:6542 #1: ffff0000cfcb17e0 (&mm->cid_lock#2){....}-{2:2}, at: mm_cid_get+0x17c/0x394 kernel/sched/sched.h:3280 1 lock held by rcu_tasks_kthre/12: #0: ffff800015f3f4d0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 kernel/rcu/tasks.h:510 1 lock held by rcu_tasks_trace/13: #0: ffff800015f3fcd0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 kernel/rcu/tasks.h:510 1 lock held by khungtaskd/28: #0: ffff800015f3f300 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:326 2 locks held by kworker/1:1H/52: #0: ffff0000cc3b8938 ((wq_completion)xfs-log/loop1){+.+.}-{0:0}, at: process_one_work+0x664/0x12d4 kernel/workqueue.c:2363 #1: ffff80001ac47c20 ((work_completion)(&iclog->ic_end_io_work)){+.+.}-{0:0}, at: process_one_work+0x6a8/0x12d4 kernel/workqueue.c:2365 2 locks held by kworker/0:1H/79: #0: ffff0000d5bfed38 ((wq_completion)xfs-log/loop5){+.+.}-{0:0}, at: process_one_work+0x664/0x12d4 kernel/workqueue.c:2363 #1: ffff80001af27c20 ((work_completion)(&iclog->ic_end_io_work)){+.+.}-{0:0}, at: process_one_work+0x6a8/0x12d4 kernel/workqueue.c:2365 2 locks held by getty/5689: #0: ffff0000d9563098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340 #1: ffff80001ac902f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1210 drivers/tty/n_tty.c:2177 1 lock held by syz-executor.5/15228: #0: ffff0000c6eec460 (sb_writers#25){.+.+}-{0:0}, at: mnt_want_write_file+0x64/0x1e8 fs/namespace.c:438 1 lock held by syz-executor.1/16165: #0: ffff00012ed88460 (sb_writers#25){.+.+}-{0:0}, at: mnt_want_write_file+0x64/0x1e8 fs/namespace.c:438 1 lock held by dhcpcd/17480: #0: ffff0000dc3d8130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1697 [inline] #0: ffff0000dc3d8130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x44/0xb08 net/packet/af_packet.c:3193 =============================================