team0 (unregistering): Port device team_slave_1 removed team0 (unregistering): Port device team_slave_0 removed bond0 (unregistering): Releasing backup interface bond_slave_1 bond0 (unregistering): Releasing backup interface bond_slave_0 bond0 (unregistering): Released all slaves INFO: task syz-executor2:6879 blocked for more than 140 seconds. Not tainted 4.18.0-rc1+ #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor2 D22728 6879 5243 0x80000002 Call Trace: context_switch kernel/sched/core.c:2862 [inline] __schedule+0x836/0x1f40 kernel/sched/core.c:3504 schedule+0xfe/0x460 kernel/sched/core.c:3548 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3606 __mutex_lock_common kernel/locking/mutex.c:834 [inline] __mutex_lock+0xe62/0x1890 kernel/locking/mutex.c:894 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:909 evdev_close_device drivers/input/evdev.c:447 [inline] evdev_release+0xdd/0x1a0 drivers/input/evdev.c:488 __fput+0x2ec/0x990 fs/file_table.c:209 ____fput+0x9/0x10 fs/file_table.c:243 task_work_run+0x19f/0x240 kernel/task_work.c:113 exit_task_work include/linux/task_work.h:22 [inline] do_exit+0x1767/0x23b0 kernel/exit.c:865 do_group_exit+0x13d/0x3c0 kernel/exit.c:968 get_signal+0x6c9/0x14b0 kernel/signal.c:2468 do_signal+0x9c/0x21e0 arch/x86/kernel/signal.c:816 exit_to_usermode_loop+0x1ce/0x300 arch/x86/entry/common.c:162 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_64+0x587/0x700 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457669 Code: 0f 7f 28 f3 0f 7f 70 10 f3 0f 7f 78 20 f3 44 0f 7f 40 30 f3 44 0f 7f 48 40 f3 44 0f 7f 50 50 f3 44 0f 7f 58 60 f3 44 0f 7f 60 <70> c3 cc cc cc cc cc 48 8d 74 24 08 48 8b 3c 24 48 8d 05 10 00 00 RSP: 002b:00007f46ee6f8c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffea RBX: 0000000000000003 RCX: 0000000000457669 RDX: 0000000020013000 RSI: 000000008040450a RDI: 0000000000000004 RBP: 000000000072c040 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f46ee6f96d4 R13: 00000000004bf430 R14: 00000000004cf230 R15: 00000000ffffffff INFO: task syz-executor4:6886 blocked for more than 140 seconds. Not tainted 4.18.0-rc1+ #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor4 D22472 6886 5245 0x00000004 Call Trace: context_switch kernel/sched/core.c:2862 [inline] __schedule+0x836/0x1f40 kernel/sched/core.c:3504 schedule+0xfe/0x460 kernel/sched/core.c:3548 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3606 __mutex_lock_common kernel/locking/mutex.c:834 [inline] __mutex_lock+0xe62/0x1890 kernel/locking/mutex.c:894 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:909 evdev_close_device drivers/input/evdev.c:447 [inline] evdev_release+0xdd/0x1a0 drivers/input/evdev.c:488 __fput+0x2ec/0x990 fs/file_table.c:209 ____fput+0x9/0x10 fs/file_table.c:243 task_work_run+0x19f/0x240 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:192 [inline] exit_to_usermode_loop+0x267/0x300 arch/x86/entry/common.c:166 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_64+0x587/0x700 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x410ff1 Code: 30 48 89 4c 24 10 e8 8e 09 00 00 48 8b 44 24 28 48 89 04 24 48 8b 44 24 30 48 89 44 24 08 e8 36 5d 04 00 48 8b 6c 24 18 48 83 20 c3 cc cc cc cc cc cc cc cc cc cc cc cc 64 48 8b 0c 25 f8 ff RSP: 002b:00007ffe2eae1f00 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000410ff1 RDX: 0000000000000000 RSI: 0000000000730488 RDI: 0000000000000004 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 00007ffe2eae1e30 R11: 0000000000000293 R12: 0000000000000000 R13: 0000000000000001 R14: 0000000000000002 R15: 0000000000000004 Showing all locks held in the system: 1 lock held by khungtaskd/983: #0: (____ptrval____) (rcu_read_lock){....}, at: debug_show_all_locks+0xd0/0x424 kernel/locking/lockdep.c:4461 2 locks held by rsyslogd/5000: #0: (____ptrval____) (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x170/0x1d0 fs/file.c:766 #1: (____ptrval____) (&rq->lock){-.-.}, at: finish_wait+0x119/0x430 kernel/sched/wait.c:364 2 locks held by getty/5090: #0: (____ptrval____) (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 drivers/tty/tty_ldsem.c:365 #1: (____ptrval____) (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x2fd/0x1b60 drivers/tty/n_tty.c:2131 2 locks held by getty/5091: #0: (____ptrval____) (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 drivers/tty/tty_ldsem.c:365 #1: (____ptrval____) (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x2fd/0x1b60 drivers/tty/n_tty.c:2131 2 locks held by getty/5092: #0: (____ptrval____) (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 drivers/tty/tty_ldsem.c:365 #1: (____ptrval____) (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x2fd/0x1b60 drivers/tty/n_tty.c:2131 2 locks held by getty/5093: #0: (____ptrval____) (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 drivers/tty/tty_ldsem.c:365 #1: (____ptrval____) (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x2fd/0x1b60 drivers/tty/n_tty.c:2131 2 locks held by getty/5094: #0: (____ptrval____) (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 drivers/tty/tty_ldsem.c:365 #1: (____ptrval____) (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x2fd/0x1b60 drivers/tty/n_tty.c:2131 2 locks held by getty/5095: #0: (____ptrval____) (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 drivers/tty/tty_ldsem.c:365 #1: (____ptrval____) (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x2fd/0x1b60 drivers/tty/n_tty.c:2131 2 locks held by getty/5096: #0: (____ptrval____) (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 drivers/tty/tty_ldsem.c:365 #1: (____ptrval____) (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x2fd/0x1b60 drivers/tty/n_tty.c:2131 1 lock held by syz-executor2/6879: #0: (____ptrval____) (&evdev->mutex){+.+.}, at: evdev_close_device drivers/input/evdev.c:447 [inline] #0: (____ptrval____) (&evdev->mutex){+.+.}, at: evdev_release+0xdd/0x1a0 drivers/input/evdev.c:488 1 lock held by syz-executor4/6886: #0: (____ptrval____) (&evdev->mutex){+.+.}, at: evdev_close_device drivers/input/evdev.c:447 [inline] #0: (____ptrval____) (&evdev->mutex){+.+.}, at: evdev_release+0xdd/0x1a0 drivers/input/evdev.c:488 1 lock held by syz-executor0/6916: #0: (____ptrval____) (&evdev->mutex){+.+.}, at: evdev_ioctl_handler+0x7b/0x140 drivers/input/evdev.c:1299 1 lock held by syz-executor0/6934: #0: (____ptrval____) (&evdev->mutex){+.+.}, at: evdev_ioctl_handler+0x7b/0x140 drivers/input/evdev.c:1299 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 983 Comm: khungtaskd Not tainted 4.18.0-rc1+ #1 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x16e/0x22a lib/dump_stack.c:113 nmi_cpu_backtrace.cold.5+0x13/0xb1 lib/nmi_backtrace.c:103 nmi_trigger_cpumask_backtrace+0xf5/0x119 lib/nmi_backtrace.c:62 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38 trigger_all_cpu_backtrace include/linux/nmi.h:138 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:196 [inline] watchdog+0x6e5/0xbe0 kernel/hung_task.c:252 kthread+0x319/0x3e0 kernel/kthread.c:240 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:412 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at native_safe_halt+0x6/0x10 arch/x86/include/asm/irqflags.h:54