Warning: Permanently added '10.128.0.38' (ECDSA) to the list of known hosts. 2019/04/29 05:30:44 parsed 1 programs 2019/04/29 05:30:47 executed programs: 0 2019/04/29 05:30:52 executed programs: 68 INIT: Id "5" respawning too fast: disabled for 5 minutes INIT: Id "1" respawning too fast: disabled for 5 minutes INIT: Id "4" 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 INIT: Id "2" respawning too fast: disabled for 5 minutes [ 982.296567] INFO: task syz-executor.5:2197 blocked for more than 140 seconds. [ 982.304050] Not tainted 4.4.174+ #17 [ 982.308352] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 982.316361] syz-executor.5 D ffff8801d1def5d8 25416 2197 1 0x20020004 [ 982.323912] ffff8801d1def5d8 ffff8800b56d17c0 3df4c4e35f3002eb ffff8800b56d17c0 [ 982.331994] 0000000000000001 ffff8800b56d2000 ffff8801db71f180 ffff8801db71f1a8 [ 982.340090] ffff8801db71e898 ffff8801d23c8000 ffff8800b56d17c0 ffffed003a3bd001 [ 982.348203] Call Trace: [ 982.350824] [] schedule+0x99/0x1d0 [ 982.356018] [] schedule_preempt_disabled+0x13/0x20 [ 982.362649] [] mutex_lock_nested+0x3c2/0xb80 [ 982.368741] [] ? lo_open+0x1d/0xb0 [ 982.373921] [] ? mutex_lock_nested+0x645/0xb80 [ 982.380208] [] ? __blkdev_get+0x10c/0xdf0 [ 982.386058] [] ? debug_lockdep_rcu_enabled+0x13/0xa0 [ 982.392854] [] ? mutex_trylock+0x500/0x500 [ 982.398777] [] ? disk_get_part+0x158/0x2c0 [ 982.404653] [] ? loop_unregister_transfer+0x90/0x90 [ 982.411407] [] lo_open+0x1d/0xb0 [ 982.416440] [] __blkdev_get+0x2ae/0xdf0 [ 982.422268] [] ? __blkdev_put+0x840/0x840 [ 982.428107] [] ? trace_hardirqs_on+0x10/0x10 [ 982.434176] [] blkdev_get+0x2e8/0x920 [ 982.439771] [] ? bd_may_claim+0xd0/0xd0 [ 982.445387] [] ? bd_acquire+0x8a/0x370 [ 982.450980] [] ? _raw_spin_unlock+0x2d/0x50 [ 982.456962] [] blkdev_open+0x1aa/0x250 [ 982.462600] [] do_dentry_open+0x38f/0xbd0 [ 982.468792] [] ? __inode_permission2+0x9e/0x250 [ 982.475279] [] ? blkdev_get_by_dev+0x80/0x80 [ 982.481393] [] vfs_open+0x10b/0x210 [ 982.486681] [] ? may_open.isra.0+0xe7/0x210 [ 982.492684] [] path_openat+0x136f/0x4470 [ 982.498520] [] ? kasan_kmalloc.part.0+0xc6/0xf0 [ 982.504831] [] ? may_open.isra.0+0x210/0x210 [ 982.510934] [] ? trace_hardirqs_on+0x10/0x10 [ 982.517102] [] do_filp_open+0x1a1/0x270 [ 982.522714] [] ? user_path_mountpoint_at+0x50/0x50 [ 982.529356] [] ? do_dup2+0x3d0/0x3d0 [ 982.534735] [] ? _raw_spin_unlock+0x2d/0x50 [ 982.540738] [] do_sys_open+0x2f8/0x600 [ 982.546261] [] ? mntput+0x66/0x90 [ 982.551388] [] ? filp_open+0x70/0x70 [ 982.556765] [] ? SyS_mkdirat+0x164/0x250 [ 982.562457] [] ? SyS_mknod+0x40/0x40 [ 982.567863] [] compat_SyS_open+0x2a/0x40 [ 982.573678] [] ? compat_SyS_getdents64+0x270/0x270 [ 982.580366] [] do_fast_syscall_32+0x32d/0xa90 [ 982.586535] [] sysenter_flags_fixed+0xd/0x1a [ 982.592620] 2 locks held by syz-executor.5/2197: [ 982.597402] #0: (&bdev->bd_mutex){+.+.+.}, at: [] __blkdev_get+0x10c/0xdf0 [ 982.606891] #1: (loop_index_mutex){+.+.+.}, at: [] lo_open+0x1d/0xb0 [ 982.615748] Sending NMI to all CPUs: [ 982.619724] NMI backtrace for cpu 0 [ 982.623397] CPU: 0 PID: 20 Comm: khungtaskd Not tainted 4.4.174+ #17 [ 982.630002] task: ffff8801da6c2f80 task.stack: ffff8801d9ee8000 [ 982.636044] RIP: 0010:[] [] flat_send_IPI_mask+0xf7/0x1b0 [ 982.644912] RSP: 0018:ffff8801d9eefc88 EFLAGS: 00000046 [ 982.650376] RAX: 0000000000000000 RBX: 0000000000000c00 RCX: 0000000000000000 [ 982.657843] RDX: 0000000000000c00 RSI: 0000000000000000 RDI: ffffffffff5fc300 [ 982.665102] RBP: ffff8801d9eefcb8 R08: 0000000000000018 R09: 0000000000000000 [ 982.672416] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000246 [ 982.679707] R13: 0000000003000000 R14: ffffffff82e5f2e0 R15: 0000000000000002 [ 982.687171] FS: 0000000000000000(0000) GS:ffff8801db600000(0000) knlGS:0000000000000000 [ 982.695451] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 982.701842] CR2: 0000000000822000 CR3: 00000000b4c7b000 CR4: 00000000001606b0 [ 982.709112] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 982.716494] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 982.723754] Stack: [ 982.725879] 0000000000000001 ffffffff82e5f2e0 ffffffff831a6ac0 fffffbfff0634c34 [ 982.733436] 000000000001b6c0 0000000000000008 ffff8801d9eefcd8 ffffffff81092bee [ 982.740981] 0000000000000008 ffffffff82924260 ffff8801d9eefd30 ffffffff81ab8252 [ 982.748640] Call Trace: [ 982.751208] [] nmi_raise_cpu_backtrace+0x5e/0x80 [ 982.757636] [] nmi_trigger_all_cpu_backtrace.cold+0xa1/0xae [ 982.764987] [] ? print_lock+0xa8/0xab [ 982.770505] [] ? irq_force_complete_move+0x330/0x330 [ 982.777276] [] arch_trigger_all_cpu_backtrace+0x14/0x20 [ 982.784266] [] watchdog.cold+0xd3/0xee [ 982.789834] [] ? watchdog+0xac/0xa00 [ 982.795410] [] ? reset_hung_task_detector+0x20/0x20 [ 982.802100] [] kthread+0x273/0x310 [ 982.807290] [] ? kthread_create_on_node+0x4c0/0x4c0 [ 982.813936] [] ? _raw_spin_unlock_irq+0x39/0x60 [ 982.820293] [] ? finish_task_switch+0x1e1/0x660 [ 982.826632] [] ? finish_task_switch+0x1b3/0x660 [ 982.833018] [] ? __schedule+0x7af/0x1ee0 [ 982.838935] [] ? __schedule+0x7a3/0x1ee0 [ 982.844626] [] ? __schedule+0x7af/0x1ee0 [ 982.850394] [] ? kthread_create_on_node+0x4c0/0x4c0 [ 982.857068] [] ret_from_fork+0x55/0x80 [ 982.862757] [] ? kthread_create_on_node+0x4c0/0x4c0 [ 982.869549] 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 [ 982.888786] NMI backtrace for cpu 1 [ 982.892401] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.4.174+ #17 [ 982.898865] task: ffff8801da6897c0 task.stack: ffff8801da698000 [ 982.904918] RIP: 0010:[] [] reschedule_interrupt+0x0/0xb0 [ 982.913953] RSP: 0018:ffff8801da69fd58 EFLAGS: 00000046 [ 982.919428] RAX: 0000000000000007 RBX: ffffffff8319bf68 RCX: 0000000000000000 [ 982.926741] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8801da68a084 [ 982.934115] RBP: ffff8801da69fdb8 R08: 0000000000000000 R09: 0000000000000000 [ 982.941429] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 [ 982.948980] R13: ffff8801da6a0000 R14: dffffc0000000000 R15: ffff8801da698000 [ 982.956281] FS: 0000000000000000(0000) GS:ffff8801db700000(0000) knlGS:0000000000000000 [ 982.964902] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 982.971378] CR2: 0000000001571000 CR3: 00000000b96fe000 CR4: 00000000001606b0 [ 982.978802] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 982.986167] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 982.993535] Stack: [ 982.995674] ffffffff810a1dc2 0000000000000010 0000000000000246 ffff8801da69fd88 [ 983.003246] 0000000000000018 ffff8801da69fdb8 ffffffff81020b16 ffff8801da698000 [ 983.010795] 0000000000000000 ffff8801da6a0000 dffffc0000000000 ffff8801da698000 [ 983.018383] Call Trace: [ 983.021294] [] ? native_safe_halt+0x2/0x10 [ 983.036551] [] ? default_idle+0x56/0x3d0 [ 983.042255] [] arch_cpu_idle+0x10/0x20 [ 983.047872] [] default_idle_call+0x48/0x70 [ 983.054050] [] cpu_startup_entry+0x6d1/0x810 [ 983.060251] [] ? call_cpuidle+0xe0/0xe0 [ 983.065877] [] start_secondary+0x31d/0x410 [ 983.071870] [] ? set_cpu_sibling_map+0x10d0/0x10d0 [ 983.078499] Code: 67 01 00 65 48 0f 44 24 25 18 67 01 00 57 e8 11 77 8e fe e8 23 a5 96 fe e9 ab ec ff ff 0f 1f 40 00 66 2e 0f 1f 84 00 00 00 00 00 <68> 02 ff ff ff fc 48 83 c4 88 4c 89 5c 24 30 4c 89 54 24 38 4c [ 983.097816] Kernel panic - not syncing: hung_task: blocked tasks [ 983.104113] CPU: 0 PID: 20 Comm: khungtaskd Not tainted 4.4.174+ #17 [ 983.110589] 0000000000000000 935c38ce46eb50dd ffff8801d9eefc60 ffffffff81aad1a1 [ 983.118799] ffff8800b56d17c0 ffffffff82872120 dffffc0000000000 0000000000000003 [ 983.126937] 00000000003fff9c ffff8801d9eefd40 ffffffff813a48c2 0000000041b58ab3 [ 983.135048] Call Trace: [ 983.137621] [] dump_stack+0xc1/0x120 [ 983.142960] [] panic+0x1b9/0x37b [ 983.147967] [] ? add_taint.cold+0x16/0x16 [ 983.153758] [] ? find_next_bit+0x44/0x50 [ 983.159458] [] ? nmi_trigger_all_cpu_backtrace+0x3c6/0x490 [ 983.166719] [] ? nmi_trigger_all_cpu_backtrace+0x3c6/0x490 [ 983.174245] [] watchdog.cold+0xe4/0xee [ 983.179868] [] ? watchdog+0xac/0xa00 [ 983.185218] [] ? reset_hung_task_detector+0x20/0x20 [ 983.191871] [] kthread+0x273/0x310 [ 983.197046] [] ? kthread_create_on_node+0x4c0/0x4c0 [ 983.203700] [] ? _raw_spin_unlock_irq+0x39/0x60 [ 983.210005] [] ? finish_task_switch+0x1e1/0x660 [ 983.216315] [] ? finish_task_switch+0x1b3/0x660 [ 983.222633] [] ? __schedule+0x7af/0x1ee0 [ 983.228618] [] ? __schedule+0x7a3/0x1ee0 [ 983.234371] [] ? __schedule+0x7af/0x1ee0 [ 983.240115] [] ? kthread_create_on_node+0x4c0/0x4c0 [ 983.246860] [] ret_from_fork+0x55/0x80 [ 983.252738] [] ? kthread_create_on_node+0x4c0/0x4c0 [ 983.259896] Kernel Offset: disabled [ 983.263534] Rebooting in 86400 seconds..