binder: 20529:20529 got transaction to invalid handle binder: 20524:20524 got transaction to invalid handle binder: 20529:20529 transaction failed 29201/-22, size 0-0 line 2852 binder: 20524:20524 transaction failed 29201/-22, size 0-0 line 2852 binder: undelivered TRANSACTION_ERROR: 29201 INFO: task kworker/u4:1:23 blocked for more than 120 seconds. Not tainted 4.18.0-rc2+ #123 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. kworker/u4:1 D12776 23 2 0x80000000 binder: 20534:20534 got transaction to invalid handle Workqueue: events_unbound fsnotify_connector_destroy_workfn binder: 20534:20534 transaction failed 29201/-22, size 0-0 line 2852 binder: undelivered TRANSACTION_ERROR: 29201 Call Trace: context_switch kernel/sched/core.c:2862 [inline] __schedule+0x87c/0x1ed0 kernel/sched/core.c:3504 schedule+0xfb/0x450 kernel/sched/core.c:3548 binder: 20536:20536 got transaction to invalid handle binder: 20536:20536 transaction failed 29201/-22, size 0-0 line 2852 binder: 20538:20538 got transaction to invalid handle schedule_timeout+0x1cc/0x260 kernel/time/timer.c:1777 binder: 20538:20538 transaction failed 29201/-22, size 0-0 line 2852 binder: 20541:20541 got transaction to invalid handle binder: 20541:20541 transaction failed 29201/-22, size 0-0 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: 20542:20542 got transaction to invalid handle binder: 20542:20542 transaction failed 29201/-22, size 0-0 line 2852 binder: undelivered TRANSACTION_ERROR: 29201 binder: undelivered TRANSACTION_ERROR: 29201 __synchronize_srcu+0x189/0x240 kernel/rcu/srcutree.c:928 binder: undelivered TRANSACTION_ERROR: 29201 synchronize_srcu_expedited kernel/rcu/srcutree.c:953 [inline] synchronize_srcu+0x335/0x56f kernel/rcu/srcutree.c:1004 binder: undelivered TRANSACTION_ERROR: 29201 binder: undelivered TRANSACTION_ERROR: 29201 fsnotify_connector_destroy_workfn+0x44/0xa0 fs/notify/mark.c:156 process_one_work+0xc73/0x1ba0 kernel/workqueue.c:2153 binder: undelivered TRANSACTION_ERROR: 29201 binder: undelivered TRANSACTION_ERROR: 29201 binder: undelivered TRANSACTION_ERROR: 29201 binder: undelivered TRANSACTION_ERROR: 29201 binder: undelivered TRANSACTION_ERROR: 29201 binder: undelivered TRANSACTION_ERROR: 29201 worker_thread+0x189/0x13c0 kernel/workqueue.c:2296 binder: undelivered TRANSACTION_ERROR: 29201 binder: undelivered TRANSACTION_ERROR: 29201 kthread+0x345/0x410 kernel/kthread.c:240 binder: 20548:20548 got transaction to invalid handle binder: 20548:20548 transaction failed 29201/-22, size 0-0 line 2852 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:412 binder: 20543:20543 got transaction to invalid handle INFO: task kworker/u4:3:4946 blocked for more than 120 seconds. binder: 20543:20543 transaction failed 29201/-22, size 0-0 line 2852 Not tainted 4.18.0-rc2+ #123 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. binder: 20544:20544 got transaction to invalid handle kworker/u4:3 D23896 4946 2 0x80000000 Workqueue: events_unbound fsnotify_mark_destroy_workfn binder: 20544:20544 transaction failed 29201/-22, size 0-0 line 2852 binder: undelivered TRANSACTION_ERROR: 29201 Call Trace: context_switch kernel/sched/core.c:2862 [inline] __schedule+0x87c/0x1ed0 kernel/sched/core.c:3504 binder: 20557:20557 got transaction to invalid handle schedule+0xfb/0x450 kernel/sched/core.c:3548 binder: 20557:20557 transaction failed 29201/-22, size 0-0 line 2852 binder: undelivered TRANSACTION_ERROR: 29201 schedule_timeout+0x1cc/0x260 kernel/time/timer.c:1777 binder: 20559:20559 got transaction to invalid handle 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: 20559:20559 transaction failed 29201/-22, size 0-0 line 2852 binder: undelivered TRANSACTION_ERROR: 29201 binder: 20560:20560 got transaction to invalid handle binder: 20560:20560 transaction failed 29201/-22, size 0-0 line 2852 __synchronize_srcu+0x189/0x240 kernel/rcu/srcutree.c:928 binder: undelivered TRANSACTION_ERROR: 29201 binder: 20545:20545 got transaction to invalid handle synchronize_srcu+0x41c/0x56f kernel/rcu/srcutree.c:1006 binder: 20545:20545 transaction failed 29201/-22, size 0-0 line 2852 binder: 20562:20562 got transaction to invalid handle binder: 20562:20562 transaction failed 29201/-22, size 0-0 line 2852 binder: 20564:20564 got transaction to invalid handle fsnotify_mark_destroy_workfn+0x1be/0x550 fs/notify/mark.c:765 binder: 20564:20564 transaction failed 29201/-22, size 0-0 line 2852 binder: 20546:20546 got transaction to invalid handle process_one_work+0xc73/0x1ba0 kernel/workqueue.c:2153 binder: 20546:20546 transaction failed 29201/-22, size 0-0 line 2852 binder: undelivered TRANSACTION_ERROR: 29201 binder: 20547:20547 got transaction to invalid handle binder: 20547:20547 transaction failed 29201/-22, size 0-0 line 2852 binder: 20568:20568 got transaction to invalid handle binder: 20568:20568 transaction failed 29201/-22, size 0-0 line 2852 binder: 20567:20567 got transaction to invalid handle worker_thread+0x189/0x13c0 kernel/workqueue.c:2296 binder: 20567:20567 transaction failed 29201/-22, size 0-0 line 2852 binder: 20569:20569 got transaction to invalid handle binder: 20569:20569 transaction failed 29201/-22, size 0-0 line 2852 binder: undelivered TRANSACTION_ERROR: 29201 binder: 20570:20570 got transaction to invalid handle binder: 20570:20570 transaction failed 29201/-22, size 0-0 line 2852 binder: 20571:20571 got transaction to invalid handle kthread+0x345/0x410 kernel/kthread.c:240 binder: 20571:20571 transaction failed 29201/-22, size 0-0 line 2852 binder: undelivered TRANSACTION_ERROR: 29201 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:412 Showing all locks held in the system: binder: 20549:20549 got transaction to invalid handle 2 locks held by kworker/u4:1/23: #0: binder: 20549:20549 transaction failed 29201/-22, size 0-0 line 2852 binder: undelivered TRANSACTION_ERROR: 29201 0000000082d96864 ((wq_completion)"events_unbound"){+.+.}, at: __write_once_size include/linux/compiler.h:215 [inline] 0000000082d96864 ((wq_completion)"events_unbound"){+.+.}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] 0000000082d96864 ((wq_completion)"events_unbound"){+.+.}, at: atomic64_set include/asm-generic/atomic-instrumented.h:40 [inline] 0000000082d96864 ((wq_completion)"events_unbound"){+.+.}, at: atomic_long_set include/asm-generic/atomic-long.h:59 [inline] 0000000082d96864 ((wq_completion)"events_unbound"){+.+.}, at: set_work_data kernel/workqueue.c:617 [inline] 0000000082d96864 ((wq_completion)"events_unbound"){+.+.}, at: set_work_pool_and_clear_pending kernel/workqueue.c:644 [inline] 0000000082d96864 ((wq_completion)"events_unbound"){+.+.}, at: process_one_work+0xb44/0x1ba0 kernel/workqueue.c:2124 #1: binder: 20576:20576 got transaction to invalid handle 00000000a5c01805 (connector_reaper_work){+.+.}, at: process_one_work+0xb9b/0x1ba0 kernel/workqueue.c:2128 1 lock held by khungtaskd/900: binder: 20576:20576 transaction failed 29201/-22, size 0-0 line 2852 #0: binder: 20578:20578 got transaction to invalid handle 00000000621c06ff (rcu_read_lock){....}, at: debug_show_all_locks+0xd0/0x428 kernel/locking/lockdep.c:4461 1 lock held by rsyslogd/4425: binder: 20578:20578 transaction failed 29201/-22, size 0-0 line 2852 2 locks held by getty/4515: #0: binder: 20580:20580 got transaction to invalid handle 0000000040b3c234 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:365 #1: binder: 20580:20580 transaction failed 29201/-22, size 0-0 line 2852 binder: undelivered TRANSACTION_ERROR: 29201 000000002f363ece binder: 20581:20581 got transaction to invalid handle (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2131 2 locks held by getty/4516: binder: 20581:20581 transaction failed 29201/-22, size 0-0 line 2852 #0: 00000000352a96d9 binder: 20583:20583 got transaction to invalid handle (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:365 #1: 000000005e8c57e1 ( binder: 20583:20583 transaction failed 29201/-22, size 0-0 line 2852 &ldata->atomic_read_lock){+.+.} binder: undelivered TRANSACTION_ERROR: 29201 , at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2131 2 locks held by getty/4517: #0: 0000000059e79f51 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:365 binder: 20585:20585 got transaction to invalid handle #1: 00000000e010ff98 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2131 2 locks held by getty/4518: binder: 20585:20585 transaction failed 29201/-22, size 0-0 line 2852 #0: 0000000071390557 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:365 #1: 000000009df9e9ea (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2131 binder: 20587:20587 got transaction to invalid handle 2 locks held by getty/4519: #0: 00000000af519304 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:365 binder: 20587:20587 transaction failed 29201/-22, size 0-0 line 2852 binder: undelivered TRANSACTION_ERROR: 29201 #1: 000000009eb2c185 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2131 binder: 20588:20588 got transaction to invalid handle 2 locks held by getty/4520: #0: 0000000046141ab7 ( binder: 20588:20588 transaction failed 29201/-22, size 0-0 line 2852 &tty->ldisc_sem){++++} binder: 20590:20590 got transaction to invalid handle , at: ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:365 #1: 000000004d6c3e29 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2131 2 locks held by getty/4521: binder: 20590:20590 transaction failed 29201/-22, size 0-0 line 2852 #0: 00000000d299b329 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:365 binder: 20594:20594 got transaction to invalid handle #1: 00000000b129d139 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2131 binder: 20594:20594 transaction failed 29201/-22, size 0-0 line 2852 2 locks held by kworker/1:2/4665: 2 locks held by kworker/u4:3/4946: binder: undelivered TRANSACTION_ERROR: 29201 #0: 0000000082d96864 ((wq_completion)"events_unbound"){+.+.}, at: __write_once_size include/linux/compiler.h:215 [inline] #0: 0000000082d96864 ((wq_completion)"events_unbound"){+.+.}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: 0000000082d96864 ((wq_completion)"events_unbound"){+.+.}, at: atomic64_set include/asm-generic/atomic-instrumented.h:40 [inline] #0: 0000000082d96864 ((wq_completion)"events_unbound"){+.+.}, at: atomic_long_set include/asm-generic/atomic-long.h:59 [inline] #0: 0000000082d96864 ((wq_completion)"events_unbound"){+.+.}, at: set_work_data kernel/workqueue.c:617 [inline] #0: 0000000082d96864 ((wq_completion)"events_unbound"){+.+.}, at: set_work_pool_and_clear_pending kernel/workqueue.c:644 [inline] #0: 0000000082d96864 ((wq_completion)"events_unbound"){+.+.}, at: process_one_work+0xb44/0x1ba0 kernel/workqueue.c:2124 #1: 0000000078756470 ((reaper_work).work){+.+.}, at: process_one_work+0xb9b/0x1ba0 kernel/workqueue.c:2128 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 900 Comm: khungtaskd Not tainted 4.18.0-rc2+ #123 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 binder: 20574:20574 got transaction to invalid handle Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c9/0x2b4 lib/dump_stack.c:113 binder: 20574:20574 transaction failed 29201/-22, size 0-0 line 2852 nmi_cpu_backtrace.cold.4+0x19/0xce lib/nmi_backtrace.c:103 binder: 20595:20595 got transaction to invalid handle 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: 20595:20595 transaction failed 29201/-22, size 0-0 line 2852 binder: undelivered TRANSACTION_ERROR: 29201 binder: 20596:20596 got transaction to invalid handle kthread+0x345/0x410 kernel/kthread.c:240 binder: 20596:20596 transaction failed 29201/-22, size 0-0 line 2852 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:412 Sending NMI from CPU 0 to CPUs 1: binder: 20575:20575 got transaction to invalid handle NMI backtrace for cpu 1 CPU: 1 PID: 20575 Comm: syz-executor0 Not tainted 4.18.0-rc2+ #123 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:lock_release+0x8e/0xa30 kernel/locking/lockdep.c:3933 Code: 08 ff ff ff f0 0d 5f 81 c7 00 f1 f1 f1 f1 c7 40 04 04 f2 f2 f2 c7 40 08 f2 f2 f2 f2 c7 40 0c 00 f2 f2 f2 c7 40 10 f2 f2 f2 f2 40 14 00 f2 f2 f2 65 48 8b 04 25 28 00 00 00 48 89 45 d0 31 c0 RSP: 0018:ffff8801abda65c0 EFLAGS: 00000086 RAX: ffffed00357b4cbd RBX: 1ffff100357b4cbd RCX: ffffffff81601871 RDX: dffffc0000000000 RSI: 0000000000000001 RDI: ffff8801b2540e74 RBP: ffff8801abda66f0 R08: fffffbfff11f11f5 R09: fffffbfff11f11f4 R10: fffffbfff11f11f4 R11: ffffffff88f88fa3 R12: ffff8801abda66c8 R13: ffffffff88f88fb8 R14: 0000000000000000 R15: ffff8801b2540640 FS: 0000000002595940(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004ca590 CR3: 00000001ca1fd000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __raw_spin_unlock include/linux/spinlock_api_smp.h:150 [inline] _raw_spin_unlock+0x1a/0x30 kernel/locking/spinlock.c:176 console_lock_spinning_enable kernel/printk/printk.c:1578 [inline] console_unlock+0x596/0x10b0 kernel/printk/printk.c:2386 vprintk_emit+0x6c6/0xdf0 kernel/printk/printk.c:1907 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+0x441/0x1afb drivers/android/binder.c:2823 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: 0033:0x455a99 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:00007ffe2e46bcb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000002595914 RCX: 0000000000455a99 RDX: 0000000020000040 RSI: 00000000c0306201 RDI: 0000000000000003 RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004bc62f R14: 00000000004ca590 R15: 0000000000000001