binder: 10829:10831 transaction failed 29189/-3, size 72-24 line 3136 binder: BINDER_SET_CONTEXT_MGR already set binder: 10840:10850 ioctl 40046207 0 returned -16 binder_alloc: 27216: binder_alloc_buf, no vma binder: 10840:10850 transaction failed 29189/-3, size 72-24 line 3136 INFO: task kworker/u4:1:64 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/u4:1 D25368 64 2 0x80000000 Workqueue: events_unbound fsnotify_mark_destroy_workfn ffff8801d785df00 ffff8801cc234780 ffff8801d11f1600 ffff8801d5098000 ffff8801db621018 ffff8801d799f7c0 ffffffff828075c2 0000000000000096 ffffffff83cc72a0 ffffffff830d2c20 000000000000488f ffff8801db6218f0 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 2 locks held by kworker/u4:1/64: #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 rsyslogd/1896: #0: (&f->f_pos_lock){+.+.+.}, at: [] __fdget_pos+0xac/0xd0 fs/file.c:781 2 locks held by getty/2023: #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 1 lock held by init/1027: #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/1028: #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/1029: #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/1030: #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/1031: #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/1032: #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: 10852 Comm: syz-executor.1 Not tainted 4.9.141+ #1 task: ffff8801ce72df00 task.stack: ffff8801a5468000 RIP: 0010:[] c [] __tlb_remove_page_size+0x1af/0x500 mm/memory.c:321 RSP: 0018:ffff8801a546f6f0 EFLAGS: 00000292 RAX: 0000000000000000 RBX: 00007f48ad0ed000 RCX: ffff8801a546f940 RDX: 0000000000000000 RSI: ffffffff81495806 RDI: ffff8801b4261090 RBP: ffff8801a546f708 R08: ffff8801ce72e7b0 R09: ffffed003684c200 R10: 0000000000000000 R11: 0000000000000000 R12: 00007f48ad0ee000 R13: 0000000000000010 R14: ffffea0006db1340 R15: ffff8801b4261008 FS: 00007f48ab2f4700(0000) GS:ffff8801db600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000625208 CR3: 00000001c6a89000 CR4: 00000000001606b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Stack: 000000000000000dc ffffea0006db1340c ffff8801d3157768c ffff8801a546f868c ffffffff81499b10c 1ffff10034a8defcc dffffc0000000003c fffffbfff067cf3ac 0000000000000019c 00007f48ad0f4fffc 00007f48ad0f4fffc 00007f48ad0f4fffc Call Trace: [] __tlb_remove_page include/asm-generic/tlb.h:163 [inline] [] zap_pte_range mm/memory.c:1165 [inline] [] zap_pmd_range mm/memory.c:1249 [inline] [] zap_pud_range mm/memory.c:1270 [inline] [] unmap_page_range+0xe60/0x1680 mm/memory.c:1291 [] unmap_single_vma+0x11c/0x170 mm/memory.c:1336 [] unmap_vmas+0x81/0xd0 mm/memory.c:1366 [] exit_mmap+0x1cc/0x3a0 mm/mmap.c:3021 [] __mmput kernel/fork.c:884 [inline] [] mmput+0xcd/0x360 kernel/fork.c:906 [] exit_mm kernel/exit.c:514 [inline] [] do_exit+0x6c9/0x2a50 kernel/exit.c:820 [] do_group_exit+0x111/0x300 kernel/exit.c:937 [] get_signal+0x4e1/0x1460 kernel/signal.c:2321 [] do_signal+0x95/0x1b00 arch/x86/kernel/signal.c:807 [] exit_to_usermode_loop+0x10e/0x150 arch/x86/entry/common.c:158 [] prepare_exit_to_usermode arch/x86/entry/common.c:194 [inline] [] syscall_return_slowpath arch/x86/entry/common.c:263 [inline] [] do_syscall_64+0x3e2/0x550 arch/x86/entry/common.c:290 [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Code: c00 c4f c89 c74 cec c10 c31 cdb ceb c13 ce8 c6d c62 ce8 cff c45 c39 cec c0f c84 cf6 cfe cff cff cbb c01 c00 c00 c00 ce8 c5a c62 ce8 cff c89 cd8 c48 c83 cc4 c08 c5b c41 c5c c<41> c5d c41 c5e c41 c5f c5d cc3 c48 c89 c4d cd0 ce8 c40 c62 ce8 cff c4c c89 ce2 c48 c