binder: 9039:9042 transaction failed 29189/-3, size 0-12288 line 3136 binder: BINDER_SET_CONTEXT_MGR already set binder: 9049:9052 ioctl 40046207 0 returned -16 binder_alloc: 1408: binder_alloc_buf, no vma binder: 9049:9052 transaction failed 29189/-3, size 0-12288 line 3136 INFO: task kworker/u4:4:2127 blocked for more than 140 seconds. Not tainted 4.9.141+ #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. kworker/u4:4 D25400 2127 2 0x80000000 Workqueue: events_unbound fsnotify_mark_destroy_workfn ffff8801ce75c740 0000000000000000 ffff8801d67b8000 ffff8801da6797c0 ffff8801db721018 ffff8801ca8777c0 ffffffff828075c2 0000000000000096 ffffffff83ce05f0 ffffffff830d2c20 0000000000003993 ffff8801db7218f0 Call Trace: [] schedule+0x7f/0x1b0 kernel/sched/core.c:3553 [] schedule_timeout+0x735/0xe20 kernel/time/timer.c:1771 [] do_wait_for_common kernel/sched/completion.c:75 [inline] [] __wait_for_common kernel/sched/completion.c:93 [inline] [] wait_for_common+0x3ef/0x5d0 kernel/sched/completion.c:101 [] wait_for_completion+0x18/0x20 kernel/sched/completion.c:122 [] __synchronize_srcu+0x254/0x3b0 kernel/rcu/srcu.c:448 [] synchronize_srcu+0x1e/0x40 kernel/rcu/srcu.c:492 [] fsnotify_mark_destroy_list+0x10f/0x390 fs/notify/mark.c:551 [] fsnotify_mark_destroy_workfn+0xe/0x10 fs/notify/mark.c:561 [] process_one_work+0x831/0x15f0 kernel/workqueue.c:2092 [] worker_thread+0xd6/0x1140 kernel/workqueue.c:2226 [] kthread+0x26d/0x300 kernel/kthread.c:211 [] ret_from_fork+0x5c/0x70 arch/x86/entry/entry_64.S:373 Showing all locks held in the system: 2 locks held by khungtaskd/24: #0: (rcu_read_lock){......}, at: [] check_hung_uninterruptible_tasks kernel/hung_task.c:168 [inline] #0: (rcu_read_lock){......}, at: [] watchdog+0x11c/0xa20 kernel/hung_task.c:239 #1: (tasklist_lock){.+.+..}, at: [] debug_show_all_locks+0x79/0x218 kernel/locking/lockdep.c:4336 1 lock held by rsyslogd/1916: #0: (&f->f_pos_lock){+.+.+.}, at: [] __fdget_pos+0xac/0xd0 fs/file.c:781 2 locks held by getty/2044: #0: (&tty->ldisc_sem){++++++}, at: [] ldsem_down_read+0x32/0x40 drivers/tty/tty_ldsem.c:367 #1: (&ldata->atomic_read_lock){+.+...}, at: [] n_tty_read+0x202/0x16e0 drivers/tty/n_tty.c:2142 2 locks held by kworker/u4:4/2127: #0: ("events_unbound"){.+.+.+}, at: [] process_one_work+0x73c/0x15f0 kernel/workqueue.c:2085 #1: ((reaper_work).work){+.+...}, at: [] process_one_work+0x774/0x15f0 kernel/workqueue.c:2089 1 lock held by init/5019: #0: (tty_mutex){+.+.+.}, at: [] tty_open_by_driver drivers/tty/tty_io.c:2052 [inline] #0: (tty_mutex){+.+.+.}, at: [] tty_open+0x476/0xdf0 drivers/tty/tty_io.c:2130 1 lock held by init/5020: #0: (tty_mutex){+.+.+.}, at: [] tty_open_by_driver drivers/tty/tty_io.c:2052 [inline] #0: (tty_mutex){+.+.+.}, at: [] tty_open+0x476/0xdf0 drivers/tty/tty_io.c:2130 1 lock held by init/5021: #0: (tty_mutex){+.+.+.}, at: [] tty_open_by_driver drivers/tty/tty_io.c:2052 [inline] #0: (tty_mutex){+.+.+.}, at: [] tty_open+0x476/0xdf0 drivers/tty/tty_io.c:2130 1 lock held by init/5022: #0: (tty_mutex){+.+.+.}, at: [] tty_open_by_driver drivers/tty/tty_io.c:2052 [inline] #0: (tty_mutex){+.+.+.}, at: [] tty_open+0x476/0xdf0 drivers/tty/tty_io.c:2130 1 lock held by init/5023: #0: (tty_mutex){+.+.+.}, at: [] tty_open_by_driver drivers/tty/tty_io.c:2052 [inline] #0: (tty_mutex){+.+.+.}, at: [] tty_open+0x476/0xdf0 drivers/tty/tty_io.c:2130 1 lock held by init/5024: #0: (tty_mutex){+.+.+.}, at: [] tty_open_by_driver drivers/tty/tty_io.c:2052 [inline] #0: (tty_mutex){+.+.+.}, at: [] tty_open+0x476/0xdf0 drivers/tty/tty_io.c:2130 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 24 Comm: khungtaskd Not tainted 4.9.141+ #1 ffff8801d9907d08 ffffffff81b42e79 0000000000000000 0000000000000001 0000000000000001 0000000000000001 ffffffff810983b0 ffff8801d9907d40 ffffffff81b4df89 0000000000000001 0000000000000000 0000000000000002 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] nmi_cpu_backtrace.cold.0+0x48/0x87 lib/nmi_backtrace.c:99 [] nmi_trigger_cpumask_backtrace+0x12c/0x151 lib/nmi_backtrace.c:60 [] arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:37 [] trigger_all_cpu_backtrace include/linux/nmi.h:58 [inline] [] check_hung_task kernel/hung_task.c:125 [inline] [] check_hung_uninterruptible_tasks kernel/hung_task.c:182 [inline] [] watchdog+0x6ad/0xa20 kernel/hung_task.c:239 [] kthread+0x26d/0x300 kernel/kthread.c:211 [] ret_from_fork+0x5c/0x70 arch/x86/entry/entry_64.S:373 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 2110 Comm: syz-executor.0 Not tainted 4.9.141+ #1 task: ffff8801d18397c0 task.stack: ffff8801acc78000 RIP: 0010:[] c [] check_preemption_disabled+0x0/0x200 lib/smp_processor_id.c:12 RSP: 0018:ffff8801acc7f780 EFLAGS: 00000293 RAX: ffff8801d18397c0 RBX: ffffffff831f2500 RCX: 0000000000000002 RDX: 0000000000000000 RSI: ffffffff82b447a0 RDI: ffffffff82b447e0 RBP: ffff8801acc7f788 R08: ffffea00065a1bc0 R09: ffffed0032d0de00 R10: 0000000000000000 R11: 0000000000000000 R12: ffffea00065a1bc0 R13: 0000000000000000 R14: ffff8801acc7f9d0 R15: 00000000027080c0 FS: 0000000000b36940(0000) GS:ffff8801db600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000738008 CR3: 00000001acc42000 CR4: 00000000001606b0 Stack: ffffffff81ba7f5cc ffff8801acc7f7a8c ffffffff81247305c 00000000027080c0c ffffffff831f2500c ffff8801acc7f7c0c ffffffff81243e0dc 00000000027080c0c ffff8801acc7f9f8c ffffffff8142925fc ffffffff8142925fc 0000000000000004c Call Trace: [] __rcu_is_watching kernel/rcu/tree.c:1053 [inline] [] rcu_is_watching+0x15/0xa0 kernel/rcu/tree.c:1067 [] rcu_read_lock_sched_held+0x8d/0x120 kernel/rcu/update.c:107 [] trace_mm_page_alloc include/trace/events/kmem.h:194 [inline] [] __alloc_pages_nodemask+0x11df/0x1bd0 mm/page_alloc.c:3874 [] __alloc_pages include/linux/gfp.h:433 [inline] [] __alloc_pages_node include/linux/gfp.h:446 [inline] [] alloc_pages_node include/linux/gfp.h:460 [inline] [] pte_alloc_one+0x22/0x100 arch/x86/mm/pgtable.c:29 [] __pte_alloc+0x26/0x1e0 mm/memory.c:570 [] copy_pte_range mm/memory.c:929 [inline] [] copy_pmd_range mm/memory.c:1004 [inline] [] copy_pud_range mm/memory.c:1026 [inline] [] copy_page_range+0xff7/0x17a0 mm/memory.c:1088 [] dup_mmap kernel/fork.c:674 [inline] [] dup_mm kernel/fork.c:1156 [inline] [] copy_mm kernel/fork.c:1210 [inline] [] copy_process.part.8+0x44f3/0x6a10 kernel/fork.c:1692 [] copy_process kernel/fork.c:1505 [inline] [] _do_fork+0x1b2/0xd30 kernel/fork.c:1972 [] SYSC_clone kernel/fork.c:2084 [inline] [] SyS_clone+0x37/0x50 kernel/fork.c:2078 [] do_syscall_64+0x19f/0x550 arch/x86/entry/common.c:285 [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Code: cff c48 c89 c85 ce0 cfe cff cff ce8 cde cb3 c94 cff c48 c8b c8d cd8 cfe cff cff c48 c8b c85 ce0 cfe cff cff ce9 ce0 cf3 cff cff c66 c2e c0f c1f c84 c00 c00 c00 c00 c00 c90 c<55> c48 c89 ce5 c41 c57 c41 c56 c41 c55 c49 c89 cf5 c41 c54 c49 c89 cfc c53 c48 c83 c