binder: undelivered TRANSACTION_ERROR: 29189 binder: 23163:23163 transaction failed 29189/-22, size 0-0 line 2856 binder: 23169:23169 transaction failed 29189/-22, size 0-0 line 2856 binder: 23162:23162 transaction failed 29189/-22, size 0-0 line 2856 binder: 23171:23171 transaction failed 29189/-22, size 0-0 line 2856 INFO: task kworker/u4:1:4759 blocked for more than 120 seconds. binder: 23172:23172 transaction failed 29189/-22, size 0-0 line 2856 Not tainted 4.17.0-rc7+ #81 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. kworker/u4:1 D23944 4759 2 0x80000000 Workqueue: events_unbound fsnotify_mark_destroy_workfn binder: undelivered TRANSACTION_ERROR: 29189 Call Trace: context_switch kernel/sched/core.c:2876 [inline] __schedule+0x801/0x1e30 kernel/sched/core.c:3518 binder: 23173:23173 transaction failed 29189/-22, size 0-0 line 2856 binder: 23174:23174 transaction failed 29189/-22, size 0-0 line 2856 binder: undelivered TRANSACTION_ERROR: 29189 schedule+0xef/0x430 kernel/sched/core.c:3562 binder: 23166:23166 transaction failed 29189/-22, size 0-0 line 2856 binder: 23176:23176 transaction failed 29189/-22, size 0-0 line 2856 schedule_timeout+0x1b5/0x240 kernel/time/timer.c:1777 binder: undelivered TRANSACTION_ERROR: 29189 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+0x3e7/0x870 kernel/sched/completion.c:136 binder: 23179:23179 transaction failed 29189/-22, size 0-0 line 2856 binder: 23181:23181 transaction failed 29189/-22, size 0-0 line 2856 __synchronize_srcu+0x189/0x240 kernel/rcu/srcutree.c:924 binder: 23177:23177 transaction failed 29189/-22, size 0-0 line 2856 synchronize_srcu+0x408/0x54f kernel/rcu/srcutree.c:1002 binder: 23184:23184 transaction failed 29189/-22, size 0-0 line 2856 binder: undelivered TRANSACTION_ERROR: 29189 fsnotify_mark_destroy_workfn+0x1aa/0x530 fs/notify/mark.c:759 binder: 23182:23182 transaction failed 29189/-22, size 0-0 line 2856 binder: 23186:23186 transaction failed 29189/-22, size 0-0 line 2856 binder: 23187:23187 transaction failed 29189/-22, size 0-0 line 2856 process_one_work+0xc1e/0x1b50 kernel/workqueue.c:2145 binder: undelivered TRANSACTION_ERROR: 29189 binder: 23190:23190 transaction failed 29189/-22, size 0-0 line 2856 binder: 23191:23191 transaction failed 29189/-22, size 0-0 line 2856 binder: 23192:23192 transaction failed 29189/-22, size 0-0 line 2856 binder: undelivered TRANSACTION_ERROR: 29189 worker_thread+0x1cc/0x1440 kernel/workqueue.c:2279 binder: 23194:23194 transaction failed 29189/-22, size 0-0 line 2856 binder: 23197:23197 transaction failed 29189/-22, size 0-0 line 2856 binder: 23198:23198 transaction failed 29189/-22, size 0-0 line 2856 binder: 23199:23199 transaction failed 29189/-22, size 0-0 line 2856 kthread+0x345/0x410 kernel/kthread.c:240 binder: undelivered TRANSACTION_ERROR: 29189 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:412 Showing all locks held in the system: binder: 23201:23201 transaction failed 29189/-22, size 0-0 line 2856 2 locks held by khungtaskd/892: #0: 0000000094bee94b (rcu_read_lock){....}, at: check_hung_uninterruptible_tasks kernel/hung_task.c:175 [inline] #0: 0000000094bee94b (rcu_read_lock){....}, at: watchdog+0x1ff/0xf60 kernel/hung_task.c:249 #1: 000000003ddcd07e (tasklist_lock){.+.+}, at: debug_show_all_locks+0xde/0x34a kernel/locking/lockdep.c:4470 2 locks held by getty/4465: #0: 0000000057cfdbd1 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:365 #1: 000000001d4cce6c (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x321/0x1cc0 drivers/tty/n_tty.c:2131 2 locks held by getty/4466: #0: 00000000ee633404 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:365 #1: 000000005fe679ed (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x321/0x1cc0 drivers/tty/n_tty.c:2131 2 locks held by getty/4467: #0: 000000005ea00360 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:365 #1: 0000000056b25d12 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x321/0x1cc0 drivers/tty/n_tty.c:2131 2 locks held by getty/4468: #0: 000000000a1f12a1 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:365 #1: 000000007fd9cd60 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x321/0x1cc0 drivers/tty/n_tty.c:2131 2 locks held by getty/4469: #0: 0000000035e83919 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:365 #1: 00000000bc824e77 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x321/0x1cc0 drivers/tty/n_tty.c:2131 2 locks held by getty/4470: #0: 00000000faa04989 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:365 #1: 00000000c6a8cb32 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x321/0x1cc0 drivers/tty/n_tty.c:2131 2 locks held by getty/4471: #0: 00000000443d015f (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:365 #1: 000000004758f041 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x321/0x1cc0 drivers/tty/n_tty.c:2131 2 locks held by kworker/u4:1/4759: #0: 0000000038032864 ((wq_completion)"events_unbound"){+.+.}, at: __write_once_size include/linux/compiler.h:215 [inline] #0: 0000000038032864 ((wq_completion)"events_unbound"){+.+.}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: 0000000038032864 ((wq_completion)"events_unbound"){+.+.}, at: atomic64_set include/asm-generic/atomic-instrumented.h:40 [inline] #0: 0000000038032864 ((wq_completion)"events_unbound"){+.+.}, at: atomic_long_set include/asm-generic/atomic-long.h:57 [inline] #0: 0000000038032864 ((wq_completion)"events_unbound"){+.+.}, at: set_work_data kernel/workqueue.c:617 [inline] #0: 0000000038032864 ((wq_completion)"events_unbound"){+.+.}, at: set_work_pool_and_clear_pending kernel/workqueue.c:644 [inline] #0: 0000000038032864 ((wq_completion)"events_unbound"){+.+.}, at: process_one_work+0xaef/0x1b50 kernel/workqueue.c:2116 #1: 0000000041825486 ((reaper_work).work){+.+.}, at: process_one_work+0xb46/0x1b50 kernel/workqueue.c:2120 2 locks held by kworker/u4:4/4776: #0: 0000000038032864 ((wq_completion)"events_unbound"){+.+.}, at: __write_once_size include/linux/compiler.h:215 [inline] #0: 0000000038032864 ((wq_completion)"events_unbound"){+.+.}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: 0000000038032864 ((wq_completion)"events_unbound"){+.+.}, at: atomic64_set include/asm-generic/atomic-instrumented.h:40 [inline] #0: 0000000038032864 ((wq_completion)"events_unbound"){+.+.}, at: atomic_long_set include/asm-generic/atomic-long.h:57 [inline] #0: 0000000038032864 ((wq_completion)"events_unbound"){+.+.}, at: set_work_data kernel/workqueue.c:617 [inline] #0: 0000000038032864 ((wq_completion)"events_unbound"){+.+.}, at: set_work_pool_and_clear_pending kernel/workqueue.c:644 [inline] #0: 0000000038032864 ((wq_completion)"events_unbound"){+.+.}, at: process_one_work+0xaef/0x1b50 kernel/workqueue.c:2116 #1: 00000000883438ec (connector_reaper_work){+.+.}, at: process_one_work+0xb46/0x1b50 kernel/workqueue.c:2120 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 892 Comm: khungtaskd Not tainted 4.17.0-rc7+ #81 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: binder: undelivered TRANSACTION_ERROR: 29189 __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1b9/0x294 lib/dump_stack.c:113 nmi_cpu_backtrace.cold.4+0x19/0xce lib/nmi_backtrace.c:103 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_task kernel/hung_task.c:132 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:190 [inline] watchdog+0xc10/0xf60 kernel/hung_task.c:249 binder: 23207:23207 transaction failed 29189/-22, size 0-0 line 2856 binder: 23205:23205 transaction failed 29189/-22, size 0-0 line 2856 kthread+0x345/0x410 kernel/kthread.c:240 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:412 binder: 23206:23206 transaction failed 29189/-22, size 0-0 line 2856 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 23206 Comm: syz-executor3 Not tainted 4.17.0-rc7+ #81 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x16/0x20 kernel/kcov.c:188 RSP: 0018:ffff8801dae07db0 EFLAGS: 00000006 RAX: 0000000000010001 RBX: ffff8801dae1f140 RCX: ffffffff816bab63 RDX: 0000000000000003 RSI: 0000000000000004 RDI: 0000000000000005 RBP: ffff8801dae07db0 R08: ffff8801c1380340 R09: ffffed003b5c4b90 R10: ffffed003b5c4b90 R11: ffff8801dae25c83 R12: 0000011e893b1fc0 R13: 0000000000000000 R14: 0000000000000003 R15: ffff8801dae25cc4 FS: 00000000014c7940(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000006f7740 CR3: 00000001a3811000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: tick_program_event+0x83/0x130 kernel/time/tick-oneshot.c:40 hrtimer_interrupt+0x348/0x750 kernel/time/hrtimer.c:1531 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1025 [inline] smp_apic_timer_interrupt+0x15d/0x710 arch/x86/kernel/apic/apic.c:1050 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+0xbd0/0xdd0 kernel/printk/printk.c:1906 RSP: 0018:ffff8801a386e8a0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff8801c1380340 RBX: 0000000000000200 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff8160d4c7 RDI: 0000000000000293 RBP: ffff8801a386ea30 R08: ffff8801c1380340 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 1ffffffff11a31ad R13: 0000000000000044 R14: ffffed003470dd31 R15: ffffffff8a6d3360 vprintk_default+0x28/0x30 kernel/printk/printk.c:1947 vprintk_func+0x7a/0xe7 kernel/printk/printk_safe.c:379 printk+0x9e/0xba kernel/printk/printk.c:1980 binder_transaction.cold.75+0xcaf/0x1b11 drivers/android/binder.c:3264 binder_thread_write+0xdbb/0x2c30 drivers/android/binder.c:3521 binder_ioctl_write_read.isra.41+0x2be/0xaf0 drivers/android/binder.c:4459 binder_ioctl+0xcbe/0x13fd drivers/android/binder.c:4599 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x1cf/0x16a0 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+0x1b1/0x800 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x455a09 RSP: 002b:00007ffebced7498 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00000000014c7914 RCX: 0000000000455a09 RDX: 0000000020000180 RSI: 00000000c0306201 RDI: 0000000000000003 RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 000000000000019c R14: 00000000006f7740 R15: 000000000012ca40 Code: 00 48 89 e5 48 8b 4d 08 e8 88 fe ff ff 5d c3 66 0f 1f 44 00 00 55 89 f2 89 fe bf 05 00 00 00 48 89 e5 48 8b 4d 08 e8 6a fe ff ff <5d> c3 0f 1f 84 00 00 00 00 00 55 48 89 f2 48 89 fe bf 07 00 00 INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.714 msecs