Warning: Permanently added '10.128.0.45' (ECDSA) to the list of known hosts. 2019/03/11 18:36:37 parsed 1 programs 2019/03/11 18:36:40 executed programs: 0 INIT: Id "1" respawning too fast: disabled for 5 minutes INIT: Id "2" respawning too fast: disabled for 5 minutes INIT: Id "4" respawning too fast: disabled for 5 minutes INIT: Id "5" respawning too fast: disabled for 5 minutes INIT: Id "6" respawning too fast: disabled for 5 minutes INIT: Id "3" respawning too fast: disabled for 5 minutes [ 981.567945] INFO: task syz-executor.1:2205 blocked for more than 140 seconds. [ 981.575242] Not tainted 4.4.174+ #4 [ 981.579413] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 981.587369] syz-executor.1 D ffff8800b4fb7668 25104 2205 1 0x00000004 [ 981.594824] ffff8800b4fb7668 ffff8801d258c740 2352dfd30ba1e502 ffff8801d258c740 [ 981.602858] 0000000000000000 ffff8801d258d000 ffff8801db71f180 ffff8801db71f1a8 [ 981.611002] ffff8801db71e898 ffff8800b52d8000 ffff8801d258c740 ffffed00169f6001 [ 981.619105] Call Trace: [ 981.621823] [] schedule+0x99/0x1d0 [ 981.626995] [] schedule_preempt_disabled+0x13/0x20 [ 981.633636] [] mutex_lock_nested+0x3c2/0xb80 [ 981.639791] [] ? __blkdev_get+0x10c/0xdf0 [ 981.645662] [] ? get_disk+0xe0/0xe0 [ 981.651059] [] ? kobj_lookup+0x273/0x410 [ 981.656783] [] ? mutex_trylock+0x500/0x500 [ 981.662748] [] ? disk_block_events+0xc7/0x140 [ 981.668910] [] __blkdev_get+0x10c/0xdf0 [ 981.674514] [] ? __blkdev_put+0x840/0x840 [ 981.680434] [] ? trace_hardirqs_on+0x10/0x10 [ 981.686494] [] blkdev_get+0x2e8/0x920 [ 981.692026] [] ? bd_may_claim+0xd0/0xd0 [ 981.697661] [] ? bd_acquire+0x8a/0x370 [ 981.703268] [] ? _raw_spin_unlock+0x2d/0x50 [ 981.709256] [] blkdev_open+0x1aa/0x250 [ 981.714816] [] do_dentry_open+0x38f/0xbd0 [ 981.720659] [] ? __inode_permission2+0x9e/0x250 [ 981.726970] [] ? blkdev_get_by_dev+0x80/0x80 [ 981.733075] [] vfs_open+0x10b/0x210 [ 981.738453] [] ? may_open.isra.0+0xe7/0x210 [ 981.744456] [] path_openat+0x136f/0x4470 [ 981.750189] [] ? kasan_kmalloc.part.0+0xc6/0xf0 [ 981.756559] [] ? may_open.isra.0+0x210/0x210 [ 981.762638] [] ? trace_hardirqs_on+0x10/0x10 [ 981.768708] [] do_filp_open+0x1a1/0x270 [ 981.774312] [] ? trace_hardirqs_on+0x10/0x10 [ 981.780475] [] ? user_path_mountpoint_at+0x50/0x50 [ 981.787055] [] ? __alloc_fd+0x1ea/0x490 [ 981.792697] [] ? _raw_spin_unlock+0x2d/0x50 [ 981.798676] [] do_sys_open+0x2f8/0x600 [ 981.804279] [] ? mntput+0x66/0x90 [ 981.809407] [] ? filp_open+0x70/0x70 [ 981.814772] [] ? SyS_mkdirat+0x164/0x250 [ 981.820554] [] ? task_work_run+0x251/0x2b0 [ 981.826508] [] ? SyS_mknod+0x40/0x40 [ 981.831904] [] ? int_ret_from_sys_call+0x52/0xa3 [ 981.838321] [] ? trace_hardirqs_on_caller+0x385/0x5a0 [ 981.845147] [] SyS_open+0x2d/0x40 [ 981.850274] [] entry_SYSCALL_64_fastpath+0x1e/0x9a [ 981.856852] 1 lock held by syz-executor.1/2205: [ 981.861543] #0: (&bdev->bd_mutex){+.+.+.}, at: [] __blkdev_get+0x10c/0xdf0 [ 981.870918] Sending NMI to all CPUs: [ 981.875137] NMI backtrace for cpu 0 [ 981.878797] CPU: 0 PID: 20 Comm: khungtaskd Not tainted 4.4.174+ #4 [ 981.885191] task: ffff8801da6f4740 task.stack: ffff8800001c0000 [ 981.891262] RIP: 0010:[] [] flat_send_IPI_mask+0xf7/0x1b0 [ 981.900013] RSP: 0018:ffff8800001c7c88 EFLAGS: 00000046 [ 981.905448] RAX: 0000000000000000 RBX: 0000000000000c00 RCX: 0000000000000000 [ 981.912750] RDX: 0000000000000c00 RSI: 0000000000000000 RDI: ffffffffff5fc300 [ 981.920027] RBP: ffff8800001c7cb8 R08: 0000000000000018 R09: 0000000000000000 [ 981.927336] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000246 [ 981.934633] R13: 0000000003000000 R14: ffffffff82e5f2e0 R15: 0000000000000002 [ 981.941917] FS: 0000000000000000(0000) GS:ffff8801db600000(0000) knlGS:0000000000000000 [ 981.950154] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 981.956024] CR2: 00007ffeecb4fff8 CR3: 00000000b9192000 CR4: 00000000001606b0 [ 981.963339] Stack: [ 981.965481] 0000000000000001 ffffffff82e5f2e0 ffffffff831a6ac0 fffffbfff0634c34 [ 981.973025] 000000000001b6c0 0000000000000008 ffff8800001c7cd8 ffffffff81092bee [ 981.980568] 0000000000000008 ffffffff82924260 ffff8800001c7d30 ffffffff81ab8252 [ 981.988113] Call Trace: [ 981.990685] [] nmi_raise_cpu_backtrace+0x5e/0x80 [ 981.997113] [] nmi_trigger_all_cpu_backtrace.cold+0xa1/0xae [ 982.004495] [] ? print_lock+0xa8/0xab [ 982.009959] [] ? irq_force_complete_move+0x330/0x330 [ 982.016694] [] arch_trigger_all_cpu_backtrace+0x14/0x20 [ 982.023725] [] watchdog.cold+0xd3/0xee [ 982.029275] [] ? watchdog+0xac/0xa00 [ 982.034669] [] ? reset_hung_task_detector+0x20/0x20 [ 982.041364] [] kthread+0x273/0x310 [ 982.046541] [] ? kthread_create_on_node+0x4c0/0x4c0 [ 982.053264] [] ? _raw_spin_unlock_irq+0x39/0x60 [ 982.059652] [] ? finish_task_switch+0x1e1/0x660 [ 982.066004] [] ? finish_task_switch+0x1b3/0x660 [ 982.072346] [] ? __schedule+0x7af/0x1ee0 [ 982.078075] [] ? __schedule+0x7a3/0x1ee0 [ 982.083762] [] ? __schedule+0x7af/0x1ee0 [ 982.089492] [] ? kthread_create_on_node+0x4c0/0x4c0 [ 982.096190] [] ret_from_fork+0x55/0x80 [ 982.101756] [] ? kthread_create_on_node+0x4c0/0x4c0 [ 982.108434] Code: 00 c3 5f ff 80 e6 10 75 e1 41 c1 e5 18 44 89 2c 25 10 c3 5f ff 44 89 fa 09 da 80 cf 04 41 83 ff 02 0f 44 d3 89 14 25 00 c3 5f ff <41> f7 c4 00 02 00 00 75 1e 4c 89 e7 57 9d 0f 1f 44 00 00 e8 f1 [ 982.127569] NMI backtrace for cpu 1 [ 982.131206] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.4.174+ #4 [ 982.137484] task: ffff8801da6897c0 task.stack: ffff8801da698000 [ 982.143577] RIP: 0010:[] [] native_safe_halt+0x2/0x10 [ 982.151989] RSP: 0018:ffff8801da69fd88 EFLAGS: 00000246 [ 982.157562] RAX: 0000000000000007 RBX: ffffffff8319bf68 RCX: 0000000000000000 [ 982.164856] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8801da68a084 [ 982.172141] RBP: ffff8801da69fdb8 R08: 0000000000000000 R09: 0000000000000000 [ 982.179432] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 [ 982.186695] R13: ffff8801da6a0000 R14: dffffc0000000000 R15: ffff8801da698000 [ 982.195821] FS: 0000000000000000(0000) GS:ffff8801db700000(0000) knlGS:0000000000000000 [ 982.204191] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 982.210099] CR2: 0000000000e1a000 CR3: 00000000b9192000 CR4: 00000000001606b0 [ 982.217360] Stack: [ 982.219536] ffffffff81020b16 ffff8801da698000 0000000000000000 ffff8801da6a0000 [ 982.227062] dffffc0000000000 ffff8801da698000 ffff8801da69fdc8 ffffffff81022d50 [ 982.234691] ffff8801da69fde0 ffffffff811eb4c8 0000000000000000 ffff8801da69fea8 [ 982.242280] Call Trace: [ 982.244894] [] ? default_idle+0x56/0x3d0 [ 982.250634] [] arch_cpu_idle+0x10/0x20 [ 982.256159] [] default_idle_call+0x48/0x70 [ 982.262136] [] cpu_startup_entry+0x6d1/0x810 [ 982.268208] [] ? call_cpuidle+0xe0/0xe0 [ 982.273809] [] start_secondary+0x31d/0x410 [ 982.279762] [] ? set_cpu_sibling_map+0x10d0/0x10d0 [ 982.286343] Code: 2e 0f 1f 84 00 00 00 00 00 fa c3 0f 1f 40 00 66 2e 0f 1f 84 00 00 00 00 00 fb c3 0f 1f 40 00 66 2e 0f 1f 84 00 00 00 00 00 fb f4 0f 1f 00 66 2e 0f 1f 84 00 00 00 00 00 f4 c3 0f 1f 40 00 66 [ 982.305584] Kernel panic - not syncing: hung_task: blocked tasks [ 982.311729] CPU: 0 PID: 20 Comm: khungtaskd Not tainted 4.4.174+ #4 [ 982.318112] 0000000000000000 05ff71351606b7a3 ffff8800001c7c60 ffffffff81aad1a1 [ 982.326110] ffff8801d258c740 ffffffff82872120 dffffc0000000000 0000000000000002 [ 982.334094] 00000000003fff9b ffff8800001c7d40 ffffffff813a48c2 0000000041b58ab3 [ 982.342087] Call Trace: [ 982.344653] [] dump_stack+0xc1/0x120 [ 982.350117] [] panic+0x1b9/0x37b [ 982.355119] [] ? add_taint.cold+0x16/0x16 [ 982.360927] [] ? find_next_bit+0x44/0x50 [ 982.366665] [] ? nmi_trigger_all_cpu_backtrace+0x3c6/0x490 [ 982.373928] [] ? nmi_trigger_all_cpu_backtrace+0x3c6/0x490 [ 982.381182] [] watchdog.cold+0xe4/0xee [ 982.386696] [] ? watchdog+0xac/0xa00 [ 982.392043] [] ? reset_hung_task_detector+0x20/0x20 [ 982.398746] [] kthread+0x273/0x310 [ 982.403921] [] ? kthread_create_on_node+0x4c0/0x4c0 [ 982.410567] [] ? _raw_spin_unlock_irq+0x39/0x60 [ 982.416873] [] ? finish_task_switch+0x1e1/0x660 [ 982.423180] [] ? finish_task_switch+0x1b3/0x660 [ 982.429490] [] ? __schedule+0x7af/0x1ee0 [ 982.435190] [] ? __schedule+0x7a3/0x1ee0 [ 982.440895] [] ? __schedule+0x7af/0x1ee0 [ 982.446586] [] ? kthread_create_on_node+0x4c0/0x4c0 [ 982.453233] [] ret_from_fork+0x55/0x80 [ 982.458750] [] ? kthread_create_on_node+0x4c0/0x4c0 [ 982.465707] Kernel Offset: disabled [ 982.469338] Rebooting in 86400 seconds..