binder: 12701:12721 ioctl 40046207 0 returned -16 binder_alloc: 12701: binder_alloc_buf, no vma binder: 12701:12731 transaction failed 29189/-3, size 55415-0 line 2963 binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_ERROR: 29201 INFO: task kworker/0:1:24 blocked for more than 120 seconds. Not tainted 4.16.0-rc7+ #3 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. kworker/0:1 D20800 24 2 0x80000000 Workqueue: cgroup_destroy css_release_work_fn Call Trace: context_switch kernel/sched/core.c:2862 [inline] __schedule+0x8fb/0x1ec0 kernel/sched/core.c:3440 schedule+0xf5/0x430 kernel/sched/core.c:3499 schedule_preempt_disabled+0x10/0x20 kernel/sched/core.c:3557 __mutex_lock_common kernel/locking/mutex.c:833 [inline] __mutex_lock+0xaad/0x1a80 kernel/locking/mutex.c:893 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908 css_release_work_fn+0xea/0x940 kernel/cgroup/cgroup.c:4592 process_one_work+0xc47/0x1bb0 kernel/workqueue.c:2113 worker_thread+0x223/0x1990 kernel/workqueue.c:2247 kthread+0x33c/0x400 kernel/kthread.c:238 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:406 Showing all locks held in the system: 3 locks held by kworker/0:1/24: #0: ((wq_completion)"cgroup_destroy"){+.+.}, at: [<0000000029e4790f>] work_static include/linux/workqueue.h:198 [inline] #0: ((wq_completion)"cgroup_destroy"){+.+.}, at: [<0000000029e4790f>] set_work_data kernel/workqueue.c:619 [inline] #0: ((wq_completion)"cgroup_destroy"){+.+.}, at: [<0000000029e4790f>] set_work_pool_and_clear_pending kernel/workqueue.c:646 [inline] #0: ((wq_completion)"cgroup_destroy"){+.+.}, at: [<0000000029e4790f>] process_one_work+0xb12/0x1bb0 kernel/workqueue.c:2084 #1: ((work_completion)(&css->destroy_work)#2){+.+.}, at: [<000000005ce92a9a>] process_one_work+0xb89/0x1bb0 kernel/workqueue.c:2088 #2: (cgroup_mutex){+.+.}, at: [<00000000ce92ce12>] css_release_work_fn+0xea/0x940 kernel/cgroup/cgroup.c:4592 2 locks held by khungtaskd/868: #0: (rcu_read_lock){....}, at: [<00000000e6662e89>] check_hung_uninterruptible_tasks kernel/hung_task.c:175 [inline] #0: (rcu_read_lock){....}, at: [<00000000e6662e89>] watchdog+0x1c5/0xd60 kernel/hung_task.c:249 #1: (tasklist_lock){.+.+}, at: [<00000000cfa1681e>] debug_show_all_locks+0xd3/0x3d0 kernel/locking/lockdep.c:4470 3 locks held by kworker/1:3/2036: #0: ((wq_completion)"cgroup_destroy"){+.+.}, at: [<0000000029e4790f>] work_static include/linux/workqueue.h:198 [inline] #0: ((wq_completion)"cgroup_destroy"){+.+.}, at: [<0000000029e4790f>] set_work_data kernel/workqueue.c:619 [inline] #0: ((wq_completion)"cgroup_destroy"){+.+.}, at: [<0000000029e4790f>] set_work_pool_and_clear_pending kernel/workqueue.c:646 [inline] #0: ((wq_completion)"cgroup_destroy"){+.+.}, at: [<0000000029e4790f>] process_one_work+0xb12/0x1bb0 kernel/workqueue.c:2084 #1: ((work_completion)(&css->destroy_work)#2){+.+.}, at: [<000000005ce92a9a>] process_one_work+0xb89/0x1bb0 kernel/workqueue.c:2088 #2: (cgroup_mutex){+.+.}, at: [<00000000ce92ce12>] css_release_work_fn+0xea/0x940 kernel/cgroup/cgroup.c:4592 1 lock held by rsyslogd/4278: #0: (&f->f_pos_lock){+.+.}, at: [<00000000a7918b4c>] __fdget_pos+0x12b/0x190 fs/file.c:765 2 locks held by getty/4369: #0: (&tty->ldisc_sem){++++}, at: [<000000009f1e077b>] ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:365 #1: (&ldata->atomic_read_lock){+.+.}, at: [<00000000e23acb6b>] n_tty_read+0x2ef/0x1a40 drivers/tty/n_tty.c:2131 2 locks held by getty/4370: #0: (&tty->ldisc_sem){++++}, at: [<000000009f1e077b>] ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:365 #1: (&ldata->atomic_read_lock){+.+.}, at: [<00000000e23acb6b>] n_tty_read+0x2ef/0x1a40 drivers/tty/n_tty.c:2131 2 locks held by getty/4371: #0: (&tty->ldisc_sem){++++}, at: [<000000009f1e077b>] ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:365 #1: (&ldata->atomic_read_lock){+.+.}, at: [<00000000e23acb6b>] n_tty_read+0x2ef/0x1a40 drivers/tty/n_tty.c:2131 2 locks held by getty/4372: #0: (&tty->ldisc_sem){++++}, at: [<000000009f1e077b>] ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:365 #1: (&ldata->atomic_read_lock){+.+.}, at: [<00000000e23acb6b>] n_tty_read+0x2ef/0x1a40 drivers/tty/n_tty.c:2131 2 locks held by getty/4373: #0: (&tty->ldisc_sem){++++}, at: [<000000009f1e077b>] ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:365 #1: (&ldata->atomic_read_lock){+.+.}, at: [<00000000e23acb6b>] n_tty_read+0x2ef/0x1a40 drivers/tty/n_tty.c:2131 2 locks held by getty/4374: #0: (&tty->ldisc_sem){++++}, at: [<000000009f1e077b>] ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:365 #1: (&ldata->atomic_read_lock){+.+.}, at: [<00000000e23acb6b>] n_tty_read+0x2ef/0x1a40 drivers/tty/n_tty.c:2131 2 locks held by getty/4375: #0: (&tty->ldisc_sem){++++}, at: [<000000009f1e077b>] ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:365 #1: (&ldata->atomic_read_lock){+.+.}, at: [<00000000e23acb6b>] n_tty_read+0x2ef/0x1a40 drivers/tty/n_tty.c:2131 2 locks held by syz-executor1/4439: #0: (sb_writers#10){.+.+}, at: [<000000000ddc816d>] sb_start_write include/linux/fs.h:1548 [inline] #0: (sb_writers#10){.+.+}, at: [<000000000ddc816d>] mnt_want_write+0x3f/0xb0 fs/namespace.c:386 #1: (&type->i_mutex_dir_key#3/1){+.+.}, at: [<0000000005294cd8>] inode_lock_nested include/linux/fs.h:748 [inline] #1: (&type->i_mutex_dir_key#3/1){+.+.}, at: [<0000000005294cd8>] do_rmdir+0x380/0x5f0 fs/namei.c:3907 2 locks held by syz-executor5/4448: #0: (sb_writers#10){.+.+}, at: [<000000000ddc816d>] sb_start_write include/linux/fs.h:1548 [inline] #0: (sb_writers#10){.+.+}, at: [<000000000ddc816d>] mnt_want_write+0x3f/0xb0 fs/namespace.c:386 #1: (&type->i_mutex_dir_key#3/1){+.+.}, at: [<0000000005294cd8>] inode_lock_nested include/linux/fs.h:748 [inline] #1: (&type->i_mutex_dir_key#3/1){+.+.}, at: [<0000000005294cd8>] do_rmdir+0x380/0x5f0 fs/namei.c:3907 2 locks held by syz-executor2/4449: #0: (sb_writers#10){.+.+}, at: [<000000000ddc816d>] sb_start_write include/linux/fs.h:1548 [inline] #0: (sb_writers#10){.+.+}, at: [<000000000ddc816d>] mnt_want_write+0x3f/0xb0 fs/namespace.c:386 #1: (&type->i_mutex_dir_key#3/1){+.+.}, at: [<0000000005294cd8>] inode_lock_nested include/linux/fs.h:748 [inline] #1: (&type->i_mutex_dir_key#3/1){+.+.}, at: [<0000000005294cd8>] do_rmdir+0x380/0x5f0 fs/namei.c:3907 2 locks held by syz-executor3/6536: #0: (sb_writers#11){.+.+}, at: [<000000000ddc816d>] sb_start_write include/linux/fs.h:1548 [inline] #0: (sb_writers#11){.+.+}, at: [<000000000ddc816d>] mnt_want_write+0x3f/0xb0 fs/namespace.c:386 #1: (&type->i_mutex_dir_key#4/1){+.+.}, at: [<000000003e3e9e53>] inode_lock_nested include/linux/fs.h:748 [inline] #1: (&type->i_mutex_dir_key#4/1){+.+.}, at: [<000000003e3e9e53>] filename_create+0x192/0x520 fs/namei.c:3625 3 locks held by kworker/1:7/7013: #0: ((wq_completion)"%s"("ipv6_addrconf")){+.+.}, at: [<0000000029e4790f>] work_static include/linux/workqueue.h:198 [inline] #0: ((wq_completion)"%s"("ipv6_addrconf")){+.+.}, at: [<0000000029e4790f>] set_work_data kernel/workqueue.c:619 [inline] #0: ((wq_completion)"%s"("ipv6_addrconf")){+.+.}, at: [<0000000029e4790f>] set_work_pool_and_clear_pending kernel/workqueue.c:646 [inline] #0: ((wq_completion)"%s"("ipv6_addrconf")){+.+.}, at: [<0000000029e4790f>] process_one_work+0xb12/0x1bb0 kernel/workqueue.c:2084 #1: ((addr_chk_work).work){+.+.}, at: [<000000005ce92a9a>] process_one_work+0xb89/0x1bb0 kernel/workqueue.c:2088 #2: (rtnl_mutex){+.+.}, at: [<00000000f9f9ba26>] rtnl_lock+0x17/0x20 net/core/rtnetlink.c:74 4 locks held by syz-executor4/10643: #0: (sb_writers#10){.+.+}, at: [<000000000ddc816d>] sb_start_write include/linux/fs.h:1548 [inline] #0: (sb_writers#10){.+.+}, at: [<000000000ddc816d>] mnt_want_write+0x3f/0xb0 fs/namespace.c:386 #1: (&type->i_mutex_dir_key#3/1){+.+.}, at: [<0000000005294cd8>] inode_lock_nested include/linux/fs.h:748 [inline] #1: (&type->i_mutex_dir_key#3/1){+.+.}, at: [<0000000005294cd8>] do_rmdir+0x380/0x5f0 fs/namei.c:3907 #2: (&type->i_mutex_dir_key#3){++++}, at: [<0000000021dc4eb2>] inode_lock include/linux/fs.h:713 [inline] #2: (&type->i_mutex_dir_key#3){++++}, at: [<0000000021dc4eb2>] vfs_rmdir+0xd6/0x410 fs/namei.c:3848 #3: (cgroup_mutex){+.+.}, at: [<00000000952529c3>] cgroup_kn_lock_live+0x29e/0x580 kernel/cgroup/cgroup.c:1535 4 locks held by syz-executor6/11801: #0: (sb_writers#11){.+.+}, at: [<000000000ddc816d>] sb_start_write include/linux/fs.h:1548 [inline] #0: (sb_writers#11){.+.+}, at: [<000000000ddc816d>] mnt_want_write+0x3f/0xb0 fs/namespace.c:386 #1: (&type->i_mutex_dir_key#4/1){+.+.}, at: [<000000003e3e9e53>] inode_lock_nested include/linux/fs.h:748 [inline] #1: (&type->i_mutex_dir_key#4/1){+.+.}, at: [<000000003e3e9e53>] filename_create+0x192/0x520 fs/namei.c:3625 #2: (cgroup_mutex){+.+.}, at: [<00000000952529c3>] cgroup_kn_lock_live+0x29e/0x580 kernel/cgroup/cgroup.c:1535 #3: (rtnl_mutex){+.+.}, at: [<00000000f9f9ba26>] rtnl_lock+0x17/0x20 net/core/rtnetlink.c:74 1 lock held by syz-executor7/12707: #0: (ipvs->sync_mutex){+.+.}, at: [<000000009675e568>] do_ip_vs_set_ctl+0x277/0x1cc0 net/netfilter/ipvs/ip_vs_ctl.c:2393 2 locks held by syz-executor7/12719: #0: (rtnl_mutex){+.+.}, at: [<00000000f9f9ba26>] rtnl_lock+0x17/0x20 net/core/rtnetlink.c:74 #1: (ipvs->sync_mutex){+.+.}, at: [<0000000046d01f00>] do_ip_vs_set_ctl+0x10f8/0x1cc0 net/netfilter/ipvs/ip_vs_ctl.c:2388 1 lock held by ipvs-b:1:0/12715: #0: (rtnl_mutex){+.+.}, at: [<00000000f9f9ba26>] rtnl_lock+0x17/0x20 net/core/rtnetlink.c:74 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 868 Comm: khungtaskd Not tainted 4.16.0-rc7+ #3 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x194/0x24d lib/dump_stack.c:53 nmi_cpu_backtrace+0x1d2/0x210 lib/nmi_backtrace.c:103 nmi_trigger_cpumask_backtrace+0x123/0x180 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+0x90c/0xd60 kernel/hung_task.c:249 kthread+0x33c/0x400 kernel/kthread.c:238 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:406 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 5938 Comm: kworker/0:5 Not tainted 4.16.0-rc7+ #3 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events cache_reap RIP: 0010:validate_chain kernel/locking/lockdep.c:2387 [inline] RIP: 0010:__lock_acquire+0x870/0x3e00 kernel/locking/lockdep.c:3431 RSP: 0018:ffff8801db2070b0 EFLAGS: 00000046 RAX: 1ffffffff10f20bf RBX: ffff8801b4a36c00 RCX: 1ffff1003b640e3e RDX: dffffc0000000000 RSI: 0000000099829cd2 RDI: ffffffff887905f8 RBP: ffff8801db207440 R08: 1ffff1003b640df3 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000020 R12: 000000000000153a R13: 6c06ffdd3633e0aa R14: ffffffff887905e8 R15: ffff8801b4a362c0 FS: 0000000000000000(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000001c4b000 CR3: 0000000007a22006 CR4: 00000000001606f0 DR0: 0000000020000000 DR1: 0000000020000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:3920 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:144 rq_lock kernel/sched/sched.h:1760 [inline] ttwu_queue kernel/sched/core.c:1864 [inline] try_to_wake_up+0xa2e/0x15f0 kernel/sched/core.c:2079 wake_up_process+0x10/0x20 kernel/sched/core.c:2152 process_timeout+0x31/0x40 kernel/time/timer.c:1730 call_timer_fn+0x228/0x820 kernel/time/timer.c:1326 expire_timers kernel/time/timer.c:1363 [inline] __run_timers+0x7ee/0xb70 kernel/time/timer.c:1666 run_timer_softirq+0x4c/0x70 kernel/time/timer.c:1692 __do_softirq+0x2d7/0xb85 kernel/softirq.c:285 invoke_softirq kernel/softirq.c:365 [inline] irq_exit+0x1cc/0x200 kernel/softirq.c:405 exiting_irq arch/x86/include/asm/apic.h:541 [inline] smp_apic_timer_interrupt+0x16b/0x700 arch/x86/kernel/apic/apic.c:1052 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:857 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:778 [inline] RIP: 0010:lock_is_held_type+0x18b/0x210 kernel/locking/lockdep.c:3960 RSP: 0018:ffff8801cda4f450 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff12 RAX: dffffc0000000000 RBX: 0000000000000282 RCX: 0000000000000037 RDX: 1ffffffff0f5957d RSI: ffffffff87b44880 RDI: 0000000000000282 RBP: ffff8801cda4f470 R08: 0000000000000000 R09: 0000000000000004 R10: ffff8801cda4f330 R11: 0000000000000080 R12: ffff8801b4a362c0 R13: 0000000000000000 R14: 0000000000000fe5 R15: ffff8801b7855b00 lock_is_held include/linux/lockdep.h:344 [inline] ___might_sleep+0x39b/0x470 kernel/sched/core.c:6098 cache_reap+0x60/0x230 mm/slab.c:4069 process_one_work+0xc47/0x1bb0 kernel/workqueue.c:2113 worker_thread+0x223/0x1990 kernel/workqueue.c:2247 kthread+0x33c/0x400 kernel/kthread.c:238 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:406 Code: 00 fc ff df 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 03 0f 8e 96 32 00 00 8b 43 20 25 00 80 04 00 3d 00 00 04 00 0f 84 c5 09 00 00 <48> c7 c2 20 df d5 87 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03