binder: 30882:30889 transaction failed 29189/-22, size 2199023255581-682899800065 line 3011 binder: 30886:30888 transaction failed 29189/-22, size 2199023255581-682899800065 line 3011 binder: 30884:30887 transaction failed 29189/-22, size 0-0 line 3011 binder: undelivered TRANSACTION_ERROR: 29189 binder: 30886:30888 transaction failed 29189/-22, size 0-0 line 3011 INFO: task init:15288 blocked for more than 120 seconds. Not tainted 4.4.125-g38f41ec #63 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. init D ffff8801d2867718 28072 15288 1 0x00000000 ffff8801d2867718 ffff8801cd001800 0000000000000000 0000000000000007 ffff8801cd001800 ffff8801db31fdb8 ffff8801db31fde0 ffff8801db31f4d8 ffff8801db31f4c0 ffff8800b60fe000 ffff8801cd001800 0000000000000000 Call Trace: [] schedule+0x7a/0x1b0 kernel/sched/core.c:3359 [] schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3392 [] __mutex_lock_common kernel/locking/mutex.c:582 [inline] [] mutex_lock_nested+0x306/0x850 kernel/locking/mutex.c:621 [] tty_open+0x4ca/0xee0 drivers/tty/tty_io.c:2058 [] chrdev_open+0x22b/0x4c0 fs/char_dev.c:388 [] do_dentry_open+0x59b/0xba0 fs/open.c:749 [] vfs_open+0x110/0x210 fs/open.c:862 [] do_last fs/namei.c:3221 [inline] [] path_openat+0x923/0x3940 fs/namei.c:3357 [] do_filp_open+0x197/0x290 fs/namei.c:3392 [] do_sys_open+0x369/0x660 fs/open.c:1038 [] SYSC_open fs/open.c:1056 [inline] [] SyS_open+0x2d/0x40 fs/open.c:1051 [] entry_SYSCALL_64_fastpath+0x22/0x9e 1 lock held by init/15288: #0: (tty_mutex){+.+.+.}, at: [] tty_open+0x4ca/0xee0 drivers/tty/tty_io.c:2058 Sending NMI to all CPUs: NMI backtrace for cpu 0 CPU: 0 PID: 486 Comm: khungtaskd Not tainted 4.4.125-g38f41ec #63 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8800bad09800 task.stack: ffff8801d8f00000 RIP: 0010:[] [] native_apic_mem_write arch/x86/include/asm/apic.h:94 [inline] RIP: 0010:[] [] __default_send_IPI_dest_field arch/x86/include/asm/ipi.h:119 [inline] RIP: 0010:[] [] _flat_send_IPI_mask arch/x86/kernel/apic/apic_flat_64.c:61 [inline] RIP: 0010:[] [] flat_send_IPI_mask+0xf7/0x1a0 arch/x86/kernel/apic/apic_flat_64.c:69 RSP: 0018:ffff8801d8f07cb8 EFLAGS: 00000046 RAX: 0000000003000000 RBX: 0000000000000c00 RCX: 0000000000000000 RDX: 0000000000000c00 RSI: 0000000000000000 RDI: ffffffffff5fb300 RBP: ffff8801d8f07ce0 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000246 R13: 0000000000000003 R14: ffffffff8426f5a0 R15: 0000000000000002 FS: 0000000000000000(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000728020 CR3: 000000013bc1e000 CR4: 0000000000160670 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Stack: ffffffff8426f5a0 ffffffff847f0b40 fffffbfff08fdc1c dffffc0000000000 ffff8801db31bca0 ffff8801d8f07d00 ffffffff810b9abb ffffffff839f6dc0 0000000000000003 ffff8801d8f07d60 ffffffff81d11764 ffffffff8141b993 Call Trace: [] nmi_raise_cpu_backtrace+0x5b/0x70 arch/x86/kernel/apic/hw_nmi.c:33 [] nmi_trigger_all_cpu_backtrace+0x4a4/0x550 lib/nmi_backtrace.c:85 [] arch_trigger_all_cpu_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38 [] trigger_all_cpu_backtrace include/linux/nmi.h:44 [inline] [] check_hung_task kernel/hung_task.c:125 [inline] [] check_hung_uninterruptible_tasks kernel/hung_task.c:182 [inline] [] watchdog+0x6fa/0xae0 kernel/hung_task.c:238 [] kthread+0x268/0x300 kernel/kthread.c:211 [] ret_from_fork+0x55/0x80 arch/x86/entry/entry_64.S:510 Code: b3 5f ff f6 c4 10 75 e1 44 89 e8 c1 e0 18 89 04 25 10 b3 5f ff 44 89 fa 09 da 80 cf 04 41 83 ff 02 0f 44 d3 89 14 25 00 b3 5f ff <41> f7 c4 00 02 00 00 74 1a e8 2b 33 17 00 4c 89 e7 57 9d 0f 1f NMI backtrace for cpu 1 CPU: 1 PID: 3791 Comm: syz-executor3 Not tainted 4.4.125-g38f41ec #63 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff88019c243000 task.stack: ffff88019c2e8000 RIP: 0010:[] [] debug_lockdep_rcu_enabled+0x0/0x90 kernel/rcu/update.c:243 RSP: 0018:ffff88019c2efb78 EFLAGS: 00000293 RAX: ffff88019c243000 RBX: 0000000000000000 RCX: ffffffff81b4f119 RDX: 0000000000000000 RSI: ffff8801d9bc9020 RDI: ffff88019c2efbec RBP: ffff88019c2efca0 R08: ffffed003385df7d R09: ffffed003385df7e R10: 0000000000000003 R11: ffffed003385df7d R12: ffff88019c2efbd8 R13: 0000000000000001 R14: ffff88019c2efc78 R15: 0000000000000007 FS: 0000000000df4940(0063) GS:ffff8801db300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000dfd978 CR3: 000000019c2ae000 CR4: 0000000000160670 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Stack: ffffffff81b4f11e ffffffff81b4ef46 ffffffff83fcb616 ffffffff81b4ea30 ffff88019c2efce0 1ffff1003385df77 0000000700000000 0000000300800000 0000000041b58ab3 ffffffff83fcc7d0 ffffffff81b4ee90 ffffffff842bdb60 Call Trace: [] may_link.isra.30+0x279/0x430 security/selinux/hooks.c:1833 [] selinux_inode_rmdir+0x23/0x30 security/selinux/hooks.c:2829 [] security_inode_rmdir+0xd1/0x120 security/security.c:552 [] vfs_rmdir2+0x120/0x420 fs/namei.c:3727 [] do_rmdir+0x398/0x400 fs/namei.c:3798 [] SYSC_rmdir fs/namei.c:3816 [inline] [] SyS_rmdir+0x1a/0x20 fs/namei.c:3814 [] entry_SYSCALL_64_fastpath+0x22/0x9e Code: 7c 04 84 d2 75 10 8b 93 dc 08 00 00 31 c0 5b 5d 85 d2 0f 94 c0 c3 e8 10 8d 27 00 eb e9 0f 1f 40 00 66 2e 0f 1f 84 00 00 00 00 00 <48> c7 c7 64 d0 7e 84 55 48 b8 00 00 00 00 00 fc ff df 48 89 fa