binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_ERROR: 29189 binder: 30787:30787 transaction failed 29189/-22, size 24-8 line 2852 binder: 30792:30792 transaction failed 29189/-22, size 24-8 line 2852 binder: undelivered TRANSACTION_ERROR: 29189 INFO: task kworker/u4:3:160 blocked for more than 140 seconds. binder: 30790:30790 transaction failed 29189/-22, size 24-8 line 2852 Not tainted 4.18.0-rc5+ #156 binder: 30791:30791 transaction failed 29189/-22, size 24-8 line 2852 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. kworker/u4:3 D18008 160 2 0x80000000 Workqueue: events_unbound fsnotify_mark_destroy_workfn Call Trace: context_switch kernel/sched/core.c:2853 [inline] __schedule+0x87c/0x1ed0 kernel/sched/core.c:3501 binder: 30794:30794 transaction failed 29189/-22, size 24-8 line 2852 schedule+0xfb/0x450 kernel/sched/core.c:3545 schedule_timeout+0x1cc/0x260 kernel/time/timer.c:1777 binder: 30800:30800 transaction failed 29189/-22, size 24-8 line 2852 do_wait_for_common kernel/sched/completion.c:83 [inline] __wait_for_common kernel/sched/completion.c:104 [inline] wait_for_common kernel/sched/completion.c:115 [inline] wait_for_completion+0x430/0x8d0 kernel/sched/completion.c:136 binder: 30796:30796 transaction failed 29189/-22, size 24-8 line 2852 binder: 30801:30801 transaction failed 29189/-22, size 24-8 line 2852 __synchronize_srcu+0x189/0x240 kernel/rcu/srcutree.c:928 binder: 30803:30803 transaction failed 29189/-22, size 24-8 line 2852 binder: 30805:30805 transaction failed 29189/-22, size 24-8 line 2852 synchronize_srcu+0x41c/0x56f kernel/rcu/srcutree.c:1006 binder: 30806:30806 transaction failed 29189/-22, size 24-8 line 2852 binder: 30807:30807 transaction failed 29189/-22, size 24-8 line 2852 fsnotify_mark_destroy_workfn+0x1be/0x550 fs/notify/mark.c:765 process_one_work+0xc73/0x1ba0 kernel/workqueue.c:2153 binder: 30810:30810 transaction failed 29189/-22, size 24-8 line 2852 binder: 30799:30799 transaction failed 29189/-22, size 24-8 line 2852 binder: 30811:30811 transaction failed 29189/-22, size 24-8 line 2852 binder: 30814:30814 transaction failed 29189/-22, size 24-8 line 2852 worker_thread+0x189/0x13c0 kernel/workqueue.c:2296 binder: 30815:30815 transaction failed 29189/-22, size 24-8 line 2852 binder: 30817:30817 transaction failed 29189/-22, size 24-8 line 2852 kthread+0x345/0x410 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:412 binder: 30818:30818 transaction failed 29189/-22, size 24-8 line 2852 INFO: task kworker/u4:1:4686 blocked for more than 140 seconds. Not tainted 4.18.0-rc5+ #156 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. kworker/u4:1 D23896 4686 2 0x80000000 Workqueue: events_unbound fsnotify_connector_destroy_workfn Call Trace: context_switch kernel/sched/core.c:2853 [inline] __schedule+0x87c/0x1ed0 kernel/sched/core.c:3501 schedule+0xfb/0x450 kernel/sched/core.c:3545 schedule_timeout+0x1cc/0x260 kernel/time/timer.c:1777 do_wait_for_common kernel/sched/completion.c:83 [inline] __wait_for_common kernel/sched/completion.c:104 [inline] wait_for_common kernel/sched/completion.c:115 [inline] wait_for_completion+0x430/0x8d0 kernel/sched/completion.c:136 __synchronize_srcu+0x189/0x240 kernel/rcu/srcutree.c:928 synchronize_srcu_expedited kernel/rcu/srcutree.c:953 [inline] synchronize_srcu+0x335/0x56f kernel/rcu/srcutree.c:1004 binder: 30821:30821 transaction failed 29189/-22, size 24-8 line 2852 binder: 30823:30823 transaction failed 29189/-22, size 24-8 line 2852 binder: 30825:30825 transaction failed 29189/-22, size 24-8 line 2852 fsnotify_connector_destroy_workfn+0x44/0xa0 fs/notify/mark.c:156 process_one_work+0xc73/0x1ba0 kernel/workqueue.c:2153 binder: 30826:30826 transaction failed 29189/-22, size 24-8 line 2852 binder: 30830:30830 transaction failed 29189/-22, size 24-8 line 2852 binder: 30831:30831 transaction failed 29189/-22, size 24-8 line 2852 binder: 30833:30833 transaction failed 29189/-22, size 24-8 line 2852 binder: 30835:30835 transaction failed 29189/-22, size 24-8 line 2852 worker_thread+0x189/0x13c0 kernel/workqueue.c:2296 binder: 30836:30836 transaction failed 29189/-22, size 24-8 line 2852 binder: 30838:30838 transaction failed 29189/-22, size 24-8 line 2852 kthread+0x345/0x410 kernel/kthread.c:246 binder: 30813:30813 transaction failed 29189/-22, size 24-8 line 2852 binder: 30820:30820 transaction failed 29189/-22, size 24-8 line 2852 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:412 binder: 30822:30822 transaction failed 29189/-22, size 24-8 line 2852 Showing all locks held in the system: 2 locks held by kworker/0:2/27: 2 locks held by kworker/u4:3/160: #0: 000000005436f070 ((wq_completion)"events_unbound"){+.+.}, at: __write_once_size include/linux/compiler.h:215 [inline] #0: 000000005436f070 ((wq_completion)"events_unbound"){+.+.}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: 000000005436f070 ((wq_completion)"events_unbound"){+.+.}, at: atomic64_set include/asm-generic/atomic-instrumented.h:40 [inline] #0: 000000005436f070 ((wq_completion)"events_unbound"){+.+.}, at: atomic_long_set include/asm-generic/atomic-long.h:59 [inline] #0: 000000005436f070 ((wq_completion)"events_unbound"){+.+.}, at: set_work_data kernel/workqueue.c:617 [inline] #0: 000000005436f070 ((wq_completion)"events_unbound"){+.+.}, at: set_work_pool_and_clear_pending kernel/workqueue.c:644 [inline] #0: 000000005436f070 ((wq_completion)"events_unbound"){+.+.}, at: process_one_work+0xb44/0x1ba0 kernel/workqueue.c:2124 binder: 30842:30842 transaction failed 29189/-22, size 24-8 line 2852 #1: 00000000be3607a5 ((reaper_work).work){+.+.}, at: process_one_work+0xb9b/0x1ba0 kernel/workqueue.c:2128 1 lock held by khungtaskd/901: binder: 30843:30843 transaction failed 29189/-22, size 24-8 line 2852 #0: 000000007a77473e (rcu_read_lock){....}, at: debug_show_all_locks+0xd0/0x428 kernel/locking/lockdep.c:4461 1 lock held by rsyslogd/4409: binder: 30845:30845 transaction failed 29189/-22, size 24-8 line 2852 #0: 000000008c11ba20 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x1bb/0x200 fs/file.c:766 2 locks held by getty/4499: binder: 30847:30847 transaction failed 29189/-22, size 24-8 line 2852 #0: 000000000081545e (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:365 binder: 30829:30829 transaction failed 29189/-22, size 24-8 line 2852 #1: 000000007a38ccf6 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2140 binder: 30848:30848 transaction failed 29189/-22, size 24-8 line 2852 2 locks held by getty/4500: #0: 0000000065cfdcf9 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:365 #1: 00000000dc29915c (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2140 2 locks held by getty/4501: #0: 000000009617dae0 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:365 #1: 00000000651e213b (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2140 2 locks held by getty/4502: #0: 0000000038f2662c (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:365 binder: 30852:30852 transaction failed 29189/-22, size 24-8 line 2852 #1: 00000000a9f07a0d (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2140 2 locks held by getty/4503: #0: 00000000d2abcf87 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:365 #1: 000000007b78a3a2 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2140 2 locks held by getty/4504: #0: 0000000067d3cb1e (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:365 binder: 30850:30850 transaction failed 29189/-22, size 24-8 line 2852 #1: 000000000b52134e (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2140 binder: 30855:30855 transaction failed 29189/-22, size 24-8 line 2852 2 locks held by getty/4505: #0: 000000005b0193ce (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:365 #1: 0000000016474b13 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2140 binder: 30856:30856 transaction failed 29189/-22, size 24-8 line 2852 2 locks held by kworker/u4:1/4686: #0: 000000005436f070 ((wq_completion)"events_unbound"){+.+.}, at: __write_once_size include/linux/compiler.h:215 [inline] #0: 000000005436f070 ((wq_completion)"events_unbound"){+.+.}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: 000000005436f070 ((wq_completion)"events_unbound"){+.+.}, at: atomic64_set include/asm-generic/atomic-instrumented.h:40 [inline] #0: 000000005436f070 ((wq_completion)"events_unbound"){+.+.}, at: atomic_long_set include/asm-generic/atomic-long.h:59 [inline] #0: 000000005436f070 ((wq_completion)"events_unbound"){+.+.}, at: set_work_data kernel/workqueue.c:617 [inline] #0: 000000005436f070 ((wq_completion)"events_unbound"){+.+.}, at: set_work_pool_and_clear_pending kernel/workqueue.c:644 [inline] #0: 000000005436f070 ((wq_completion)"events_unbound"){+.+.}, at: process_one_work+0xb44/0x1ba0 kernel/workqueue.c:2124 #1: 00000000e1309e77 (connector_reaper_work){+.+.}, at: process_one_work+0xb9b/0x1ba0 kernel/workqueue.c:2128 1 lock held by udevd/30827: 1 lock held by syz-executor3/30852: binder: 30859:30859 transaction failed 29189/-22, size 24-8 line 2852 1 lock held by syz-executor7/30859: ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 901 Comm: khungtaskd Not tainted 4.18.0-rc5+ #156 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+0x1c9/0x2b4 lib/dump_stack.c:113 nmi_cpu_backtrace.cold.4+0x19/0xce lib/nmi_backtrace.c:103 binder: 30860:30860 transaction failed 29189/-22, size 24-8 line 2852 binder: 30862:30862 transaction failed 29189/-22, size 24-8 line 2852 nmi_trigger_cpumask_backtrace+0x151/0x192 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+0x9c4/0xf80 kernel/hung_task.c:252 binder: 30864:30864 transaction failed 29189/-22, size 24-8 line 2852 kthread+0x345/0x410 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:412 binder: 30868:30868 transaction failed 29189/-22, size 24-8 line 2852 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 30868 Comm: syz-executor3 Not tainted 4.18.0-rc5+ #156 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:task_group kernel/sched/sched.h:1266 [inline] RIP: 0010:can_migrate_task+0xdc/0x17c0 kernel/sched/fair.c:7364 Code: 8d bc 24 70 02 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fe 48 c1 ee 03 80 3c 06 00 0f 85 6f 10 00 00 49 8b 9c 24 70 02 00 00 <48> b8 00 00 00 00 00 fc ff df 48 8d bb 38 01 00 00 48 89 fe 48 c1 RSP: 0018:ffff8801daf074e8 EFLAGS: 00000046 RAX: dffffc0000000000 RBX: ffffffff89e76040 RCX: ffff8801daf07730 RDX: ffff8801daf07588 RSI: 1ffff100379460be RDI: ffff8801bca305f0 RBP: ffff8801daf075b0 R08: ffffed003b5e46d7 R09: 0000000000000001 R10: ffffed003b5e46d6 R11: ffff8801daf236b3 R12: ffff8801bca30380 R13: ffffffff892a73a0 R14: ffff8801bca30380 R15: 0000000000000008 FS: 00000000028e2940(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004cac90 CR3: 00000001ad339000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: detach_tasks kernel/sched/fair.c:7513 [inline] load_balance+0xe0b/0x3640 kernel/sched/fair.c:8883 rebalance_domains+0x82a/0xd90 kernel/sched/fair.c:9261 run_rebalance_domains+0x365/0x4c0 kernel/sched/fair.c:9883 __do_softirq+0x2e8/0xb17 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x1d4/0x210 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:527 [inline] smp_apic_timer_interrupt+0x186/0x730 arch/x86/kernel/apic/apic.c:1052 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:863 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:783 [inline] RIP: 0010:console_trylock_spinning kernel/printk/printk.c:1678 [inline] RIP: 0010:vprintk_emit+0xbe9/0xdf0 kernel/printk/printk.c:1906 Code: fc ff df 41 80 3c 04 00 0f 85 d4 01 00 00 48 83 3d b3 c1 8e 07 00 0f 84 fe 00 00 00 e8 80 1c 19 00 48 8b bd a8 fe ff ff 57 9d <0f> 1f 44 00 00 e9 18 fe ff ff 41 80 fd 64 0f 84 eb f9 ff ff e9 ef RSP: 0018:ffff8801a4c4e880 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff8801b32a2700 RBX: 0000000000000200 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff8162ef00 RDI: 0000000000000293 RBP: ffff8801a4c4ea10 R08: ffff8801b32a2700 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 1ffffffff11e3615 R13: 0000000000000045 R14: ffffed0034989d2d R15: ffffffff8aa0b4a0 vprintk_default+0x28/0x30 kernel/printk/printk.c:1948 vprintk_func+0x7a/0xe7 kernel/printk/printk_safe.c:382 printk+0xa7/0xcf kernel/printk/printk.c:1981 binder_transaction.cold.75+0x1942/0x1afb drivers/android/binder.c:3260 binder_thread_write+0x858/0x2c30 drivers/android/binder.c:3528 binder_ioctl_write_read.isra.41+0x2e7/0xb10 drivers/android/binder.c:4456 binder_ioctl+0xd2f/0x141e drivers/android/binder.c:4596 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x1de/0x1720 fs/ioctl.c:684 ksys_ioctl+0xa9/0xd0 fs/ioctl.c:701 __do_sys_ioctl fs/ioctl.c:708 [inline] __se_sys_ioctl fs/ioctl.c:706 [inline] __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:706 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x455ab9 Code: 1d ba fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ffe752a25b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00000000028e2914 RCX: 0000000000455ab9 RDX: 0000000020000440 RSI: 00000000c0306201 RDI: 0000000000000003 RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004bc64d R14: 00000000004cac90 R15: 0000000000000001