Warning: Permanently added '10.128.0.135' (ECDSA) to the list of known hosts. 2019/02/13 11:23:42 parsed 1 programs 2019/02/13 11:23:46 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 "6" respawning too fast: disabled for 5 minutes INIT: Id "5" respawning too fast: disabled for 5 minutes INIT: Id "3" respawning too fast: disabled for 5 minutes [ 981.684111] INFO: task syz-executor.1:2212 blocked for more than 140 seconds. [ 981.691557] Not tainted 4.4.174+ #17 [ 981.695847] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 981.703803] syz-executor.1 D ffff8801d18ffaa8 24800 2212 1 0x20020004 [ 981.711259] ffff8801d18ffaa8 ffff8800b44017c0 4d072f08605d7616 ffff8800b44017c0 [ 981.719290] 0000000000000002 ffff8800b4402000 ffff8801db71f180 ffff8801db71f1a8 [ 981.727313] ffff8801db71e898 ffff8801d4e017c0 ffff8800b44017c0 ffffed003a31f001 [ 981.735335] Call Trace: [ 981.738040] [] schedule+0x99/0x1d0 [ 981.743208] [] schedule_preempt_disabled+0x13/0x20 [ 981.749809] [] mutex_lock_nested+0x3c2/0xb80 [ 981.755936] [] ? lo_release+0x84/0x1b0 [ 981.761462] [] ? mutex_lock_nested+0x645/0xb80 [ 981.767805] [] ? __blkdev_put+0xbb/0x840 [ 981.773505] [] ? mutex_trylock+0x500/0x500 [ 981.779412] [] ? __blkdev_put+0x219/0x840 [ 981.785210] [] ? __blkdev_put+0x3c2/0x840 [ 981.790993] [] ? lo_compat_ioctl+0x140/0x140 [ 981.797064] [] lo_release+0x84/0x1b0 [ 981.802407] [] ? lo_compat_ioctl+0x140/0x140 [ 981.808470] [] __blkdev_put+0x461/0x840 [ 981.814125] [] ? __mutex_unlock_slowpath+0x25d/0x530 [ 981.820858] [] ? bd_unlink_disk_holder+0x450/0x450 [ 981.827467] [] blkdev_put+0x88/0x560 [ 981.832922] [] ? blkdev_put+0x560/0x560 [ 981.838576] [] blkdev_close+0x8b/0xb0 [ 981.844126] [] __fput+0x246/0x710 [ 981.849214] [] ____fput+0x16/0x20 [ 981.854398] [] task_work_run+0x202/0x2b0 [ 981.860143] [] exit_to_usermode_loop+0x14a/0x170 [ 981.866705] [] do_fast_syscall_32+0x7a9/0xa90 [ 981.872876] [] sysenter_flags_fixed+0xd/0x1a [ 981.878954] 3 locks held by syz-executor.1/2212: [ 981.883682] #0: (&bdev->bd_mutex){+.+.+.}, at: [] __blkdev_put+0xbb/0x840 [ 981.892976] #1: (loop_index_mutex){+.+.+.}, at: [] lo_release+0x1e/0x1b0 [ 981.902183] #2: (loop_ctl_mutex#2){+.+...}, at: [] lo_release+0x84/0x1b0 [ 981.911513] Sending NMI to all CPUs: [ 981.916748] NMI backtrace for cpu 0 [ 981.920358] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.4.174+ #17 [ 981.926696] task: ffffffff82e151c0 task.stack: ffffffff82e00000 [ 981.932728] RIP: 0010:[] [] native_safe_halt+0x2/0x10 [ 981.941139] RSP: 0018:ffffffff82e07db0 EFLAGS: 00000246 [ 981.946583] RAX: 0000000000000007 RBX: ffffffff8319bf68 RCX: 0000000000000000 [ 981.953827] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffffffff82e15a84 [ 981.961109] RBP: ffffffff82e07de0 R08: 0000000000000000 R09: 0000000000000000 [ 981.968420] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 981.975866] R13: ffffffff82e08000 R14: dffffc0000000000 R15: ffffffff82e00000 [ 981.983117] FS: 0000000000000000(0000) GS:ffff8801db600000(0000) knlGS:0000000000000000 [ 981.991359] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 981.997235] CR2: 0000000001800000 CR3: 00000001d6c5c000 CR4: 00000000001606b0 [ 982.004514] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 982.011761] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 982.019106] Stack: [ 982.021242] ffffffff81020b16 ffffffff82e00000 0000000000000000 ffffffff82e08000 [ 982.028796] dffffc0000000000 ffffffff82e00000 ffffffff82e07df0 ffffffff81022d50 [ 982.036331] ffffffff82e07e08 ffffffff811eb4c8 0000000000000000 ffffffff82e07ed0 [ 982.043848] Call Trace: [ 982.046442] [] ? default_idle+0x56/0x3d0 [ 982.052125] [] arch_cpu_idle+0x10/0x20 [ 982.057662] [] default_idle_call+0x48/0x70 [ 982.063520] [] cpu_startup_entry+0x6d1/0x810 [ 982.069755] [] ? complete+0x18/0x70 [ 982.075055] [] ? call_cpuidle+0xe0/0xe0 [ 982.080660] [] ? schedule+0xab/0x1d0 [ 982.086050] [] rest_init+0x190/0x199 [ 982.091391] [] ? trace_event_define_fields_x86_irq_vector+0x2c/0x2c [ 982.099453] [] start_kernel+0x64a/0x67e [ 982.105073] [] ? thread_stack_cache_init+0xb/0xb [ 982.111453] [] ? early_idt_handler_array+0x120/0x120 [ 982.119167] [] ? early_idt_handler_array+0x120/0x120 [ 982.125909] [] x86_64_start_reservations+0x29/0x2b [ 982.132484] [] x86_64_start_kernel+0x137/0x15a [ 982.138762] 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 [ 982.157957] NMI backtrace for cpu 1 [ 982.161563] CPU: 1 PID: 20 Comm: khungtaskd Not tainted 4.4.174+ #17 [ 982.168057] task: ffff8801da6f4740 task.stack: ffff8800001d0000 [ 982.174098] RIP: 0010:[] [] flat_send_IPI_mask+0xf7/0x1b0 [ 982.182845] RSP: 0018:ffff8800001d7c88 EFLAGS: 00000046 [ 982.188299] RAX: 0000000000000000 RBX: 0000000000000c00 RCX: 0000000000000000 [ 982.195650] RDX: 0000000000000c00 RSI: 0000000000000000 RDI: ffffffffff5fc300 [ 982.202896] RBP: ffff8800001d7cb8 R08: 0000000000000018 R09: 0000000000000000 [ 982.210176] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000246 [ 982.217434] R13: 0000000003000000 R14: ffffffff82e5f2e0 R15: 0000000000000002 [ 982.224701] FS: 0000000000000000(0000) GS:ffff8801db700000(0000) knlGS:0000000000000000 [ 982.232901] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 982.238832] CR2: 00000000024183e0 CR3: 00000001d6c5c000 CR4: 00000000001606b0 [ 982.246088] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 982.253330] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 982.260693] Stack: [ 982.262836] 0000000000000001 ffffffff82e5f2e0 ffffffff831a6ac0 fffffbfff0634c34 [ 982.270365] 000000000001b6c0 0000000000000008 ffff8800001d7cd8 ffffffff81092bee [ 982.277884] 0000000000000008 ffffffff82924260 ffff8800001d7d30 ffffffff81ab8252 [ 982.285406] Call Trace: [ 982.287961] [] nmi_raise_cpu_backtrace+0x5e/0x80 [ 982.294567] [] nmi_trigger_all_cpu_backtrace.cold+0xa1/0xae [ 982.301909] [] ? print_lock+0xa8/0xab [ 982.307388] [] ? irq_force_complete_move+0x330/0x330 [ 982.314131] [] arch_trigger_all_cpu_backtrace+0x14/0x20 [ 982.321114] [] watchdog.cold+0xd3/0xee [ 982.326653] [] ? watchdog+0xac/0xa00 [ 982.331990] [] ? reset_hung_task_detector+0x20/0x20 [ 982.338656] [] kthread+0x273/0x310 [ 982.343822] [] ? kthread_create_on_node+0x4c0/0x4c0 [ 982.350506] [] ? _raw_spin_unlock_irq+0x39/0x60 [ 982.356825] [] ? finish_task_switch+0x1e1/0x660 [ 982.363132] [] ? finish_task_switch+0x1b3/0x660 [ 982.369478] [] ? __schedule+0x7af/0x1ee0 [ 982.375171] [] ? __schedule+0x7a3/0x1ee0 [ 982.380853] [] ? __schedule+0x7af/0x1ee0 [ 982.386576] [] ? kthread_create_on_node+0x4c0/0x4c0 [ 982.393221] [] ret_from_fork+0x55/0x80 [ 982.398760] [] ? kthread_create_on_node+0x4c0/0x4c0 [ 982.405411] 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 [ 982.424600] Kernel panic - not syncing: hung_task: blocked tasks [ 982.430735] CPU: 1 PID: 20 Comm: khungtaskd Not tainted 4.4.174+ #17 [ 982.437198] 0000000000000000 cee05f2254fc1d2b ffff8800001d7c60 ffffffff81aad1a1 [ 982.445224] ffff8800b44017c0 ffffffff82872120 dffffc0000000000 0000000000000003 [ 982.453222] 00000000003fff9b ffff8800001d7d40 ffffffff813a48c2 0000000041b58ab3 [ 982.461224] Call Trace: [ 982.463812] [] dump_stack+0xc1/0x120 [ 982.469207] [] panic+0x1b9/0x37b [ 982.474202] [] ? add_taint.cold+0x16/0x16 [ 982.480055] [] ? find_next_bit+0x44/0x50 [ 982.485753] [] ? nmi_trigger_all_cpu_backtrace+0x3c6/0x490 [ 982.493010] [] ? nmi_trigger_all_cpu_backtrace+0x3c6/0x490 [ 982.500265] [] watchdog.cold+0xe4/0xee [ 982.505774] [] ? watchdog+0xac/0xa00 [ 982.511117] [] ? reset_hung_task_detector+0x20/0x20 [ 982.517758] [] kthread+0x273/0x310 [ 982.522928] [] ? kthread_create_on_node+0x4c0/0x4c0 [ 982.529647] [] ? _raw_spin_unlock_irq+0x39/0x60 [ 982.535959] [] ? finish_task_switch+0x1e1/0x660 [ 982.542259] [] ? finish_task_switch+0x1b3/0x660 [ 982.548558] [] ? __schedule+0x7af/0x1ee0 [ 982.554243] [] ? __schedule+0x7a3/0x1ee0 [ 982.559928] [] ? __schedule+0x7af/0x1ee0 [ 982.565623] [] ? kthread_create_on_node+0x4c0/0x4c0 [ 982.572264] [] ret_from_fork+0x55/0x80 [ 982.577774] [] ? kthread_create_on_node+0x4c0/0x4c0 [ 982.584866] Kernel Offset: disabled [ 982.588488] Rebooting in 86400 seconds..