INIT: Id "4" 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 INIT: Id "2" respawning too fast: disabled for 5 minutes INIT: Id "6" respawning too fast: disabled for 5 minutes Warning: Permanently added '10.128.0.77' (ECDSA) to the list of known hosts. 2019/04/21 16:29:50 parsed 1 programs 2019/04/21 16:29:52 executed programs: 0 [ 609.287912] audit: type=1400 audit(1555864194.067:5): avc: denied { associate } for pid=2192 comm="syz-executor.0" name="syz0" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 [ 860.095573] INFO: task syz-executor.1:3220 blocked for more than 140 seconds. [ 860.102913] Not tainted 4.9.170+ #45 [ 860.107528] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 860.116293] syz-executor.1 D28976 3220 2197 0x80000000 [ 860.122055] ffff8801c22097c0 ffff8801cc224d00 ffff8801db721000 ffff8801ca4817c0 [ 860.130949] ffff8801db721018 ffff8801c221fba0 ffffffff8280185e 0000000041b58ab3 [ 860.139228] ffff8801c22097c0 00ff8801c221faf0 ffff8801db7218f0 1ffff10038443f63 [ 860.147636] Call Trace: [ 860.150218] [<000000003987868d>] ? __schedule+0x6ce/0x1f10 [ 860.156319] [<00000000edd1e555>] ? io_schedule_timeout+0x390/0x390 [ 860.162722] [<000000004010a6a9>] ? mark_held_locks+0xb1/0x100 [ 860.168979] [<00000000be05a229>] ? _raw_spin_unlock_irq+0x28/0x60 [ 860.175507] [<00000000847464cf>] ? rwsem_down_read_failed+0x253/0x3e0 [ 860.182168] [<00000000fbab91a4>] schedule+0x92/0x1c0 [ 860.187572] [<00000000de965f82>] rwsem_down_read_failed+0x258/0x3e0 [ 860.194062] [<000000005057adf5>] ? rwsem_down_write_failed_killable+0x8f0/0x8f0 [ 860.201959] [<0000000012f8ca16>] call_rwsem_down_read_failed+0x18/0x30 [ 860.209073] [<00000000a106361f>] down_read+0x52/0xb0 [ 860.214266] [<00000000b193f95f>] ? do_exit+0x3b7/0x2aa0 [ 860.219979] [<00000000b193f95f>] do_exit+0x3b7/0x2aa0 [ 860.225538] [<0000000017a395db>] ? __wait_rcu_gp+0x1c0/0x1c0 [ 860.231505] [<00000000df68c684>] ? release_task+0x14a0/0x14a0 [ 860.237708] [<000000009fac687a>] ? kick_process+0xef/0x180 [ 860.243416] [<00000000be05a229>] ? _raw_spin_unlock_irq+0x28/0x60 [ 860.249965] [<00000000fb095dfe>] ? trace_hardirqs_on_caller+0x385/0x5a0 [ 860.257673] [<00000000a099079d>] do_group_exit+0x111/0x300 [ 860.263381] [<000000009d297b84>] SyS_exit_group+0x1d/0x20 [ 860.269232] [<00000000f3ed4366>] ? do_group_exit+0x300/0x300 [ 860.275116] [<00000000c716f72c>] do_syscall_64+0x1ad/0x570 [ 860.281071] [<000000006e0be097>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 860.288284] [ 860.288284] Showing all locks held in the system: [ 860.294600] 2 locks held by khungtaskd/24: [ 860.298850] #0: (rcu_read_lock){......}, at: [<000000000f73e8f2>] watchdog+0x14b/0xaf0 [ 860.307745] #1: (tasklist_lock){.+.+..}, at: [<00000000a5b69982>] debug_show_all_locks+0x7f/0x21f [ 860.317520] 2 locks held by getty/2042: [ 860.321481] #0: (&tty->ldisc_sem){++++++}, at: [<0000000065efb59c>] ldsem_down_read+0x33/0x40 [ 860.330887] #1: (&ldata->atomic_read_lock){+.+...}, at: [<000000009d931d7f>] n_tty_read+0x1fe/0x1820 [ 860.340890] 1 lock held by syz-executor.1/3220: [ 860.345580] #0: (&mm->mmap_sem){++++++}, at: [<00000000b193f95f>] do_exit+0x3b7/0x2aa0 [ 860.354432] 1 lock held by syz-executor.1/3226: [ 860.359105] #0: (&mm->mmap_sem){++++++}, at: [<00000000b193f95f>] do_exit+0x3b7/0x2aa0 [ 860.367872] [ 860.369494] ============================================= [ 860.369494] [ 860.377168] NMI backtrace for cpu 1 [ 860.380795] CPU: 1 PID: 24 Comm: khungtaskd Not tainted 4.9.170+ #45 [ 860.387276] ffff8801d98d7cc8 ffffffff81b4fb21 0000000000000001 0000000000000000 [ 860.395346] 0000000000000001 ffffffff81097401 dffffc0000000000 ffff8801d98d7d00 [ 860.403410] ffffffff81b5adbc 0000000000000001 0000000000000000 0000000000000001 [ 860.411486] Call Trace: [ 860.414067] [<000000003c82f97f>] dump_stack+0xc1/0x120 [ 860.419425] [<0000000051c24d55>] ? irq_force_complete_move+0x281/0x300 [ 860.426173] [<000000007549d5c9>] nmi_cpu_backtrace.cold+0x47/0x87 [ 860.432487] [<0000000039269aeb>] ? irq_force_complete_move+0x300/0x300 [ 860.439241] [<0000000023cfd08f>] nmi_trigger_cpumask_backtrace+0x124/0x155 [ 860.446332] [<000000003cda3f0c>] arch_trigger_cpumask_backtrace+0x14/0x20 [ 860.453338] [<0000000018ebdc30>] watchdog+0x670/0xaf0 [ 860.458611] [<000000000f73e8f2>] ? watchdog+0x14b/0xaf0 [ 860.464056] [<00000000fb095dfe>] ? trace_hardirqs_on_caller+0x385/0x5a0 [ 860.473437] [<0000000088673700>] ? hungtask_pm_notify+0x60/0x60 [ 860.479582] [<0000000091e02785>] kthread+0x278/0x310 [ 860.484859] [<00000000fb3cd21c>] ? kthread_park+0xa0/0xa0 [ 860.490564] [<0000000071df10a9>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 860.497313] [<00000000e5c41d2e>] ? _raw_spin_unlock_irq+0x39/0x60 [ 860.503625] [<0000000063602467>] ? finish_task_switch+0x1e5/0x660 [ 860.509935] [<0000000043e9663e>] ? finish_task_switch+0x1b7/0x660 [ 860.516330] [<00000000af0053b7>] ? __switch_to_asm+0x34/0x70 [ 860.522208] [<0000000076eae5af>] ? __switch_to_asm+0x40/0x70 [ 860.529391] [<00000000af0053b7>] ? __switch_to_asm+0x34/0x70 [ 860.535375] [<00000000fb3cd21c>] ? kthread_park+0xa0/0xa0 [ 860.540991] [<00000000fb3cd21c>] ? kthread_park+0xa0/0xa0 [ 860.546607] [<00000000b86ff3e7>] ret_from_fork+0x5c/0x70 [ 860.552231] Sending NMI from CPU 1 to CPUs 0: [ 860.557063] NMI backtrace for cpu 0 [ 860.560690] CPU: 0 PID: 3234 Comm: syz-executor.1 Not tainted 4.9.170+ #45 [ 860.567937] task: 000000005ecc2b47 task.stack: 0000000059b3f9b4 [ 860.573996] RIP: 0010:[] c [<00000000c629874f>] debug_lockdep_rcu_enabled.part.0+0x2a/0x60 [ 860.584030] RSP: 0018:ffff8801d1b67a98 EFLAGS: 00000a03 [ 860.589457] RAX: dffffc0000000000 RBX: ffff8801d0a297c0 RCX: 1ffffffff063f7a4 [ 860.596707] RDX: 0000000000000000 RSI: 000000000000026c RDI: ffff8801d0a2a06c [ 860.603966] RBP: ffff8801d1b67aa0 R08: 0000000000000000 R09: ffff8801d0a2a090 [ 860.611216] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff82a50b20 [ 860.618468] R13: 000000000000026c R14: 0000000000000000 R15: ffff8801d2622d60 [ 860.625718] FS: 00007ff3d7100700(0000) GS:ffff8801db600000(0000) knlGS:0000000000000000 [ 860.633926] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 860.639788] CR2: 0000000002572308 CR3: 00000001d18f9000 CR4: 00000000001606b0 [ 860.647056] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 860.654306] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 860.661557] Stack: [ 860.663682] 0000000000000000c ffff8801d1b67ab0c ffffffff812445d1c ffff8801d1b67ae8c [ 860.672104] ffffffff81166eeac ffff8801d0a297c0c ffffffff82a50b20c 000000000000026cc [ 860.680490] 0000000000000000c ffff8801d2622d60c ffff8801d1b67b28c ffffffff811671e5c [ 860.688694] Call Trace: [ 860.691256] [<0000000071df10a9>] debug_lockdep_rcu_enabled+0x71/0xa0 [ 860.697905] [<00000000f8d4f8f6>] ___might_sleep+0x1a/0x280 [ 860.703943] [<0000000034d046ba>] __might_sleep+0x95/0x1a0 [ 860.709541] [<000000004010a6a9>] ? mark_held_locks+0xb1/0x100 [ 860.715837] [<000000005c179460>] mutex_lock_nested+0x87/0x920 [ 860.721792] [<00000000fb095dfe>] ? trace_hardirqs_on_caller+0x385/0x5a0 [ 860.728610] [<00000000831373e4>] ? __mutex_unlock_slowpath+0x223/0x3e0 [ 860.735440] [<00000000b92aeab9>] ? mutex_trylock+0x3f0/0x3f0 [ 860.741391] [<00000000b3ad78f0>] ? __ww_mutex_lock_interruptible+0x1530/0x1530 [ 860.748817] [<000000003ab86aef>] ? perf_mmap+0x4fb/0x1580 [ 860.754447] [<00000000bdb067fe>] perf_mmap+0x4d9/0x1580 [ 860.759885] [<00000000c44447b7>] mmap_region+0x7e7/0xfa0 [ 860.765398] [<00000000ddeeb210>] do_mmap+0x539/0xbc0 [ 860.770651] [<000000005da31dc1>] vm_mmap_pgoff+0x179/0x1c0 [ 860.776364] [<00000000b0adec00>] ? vma_is_stack_for_current+0xa0/0xa0 [ 860.783231] [<00000000f56cf46a>] ? __fget+0x22f/0x370 [ 860.788485] [<000000005658d19b>] SyS_mmap_pgoff+0xfa/0x1b0 [ 860.794886] [<00000000764748ac>] ? align_vdso_addr+0x60/0x60 [ 860.800768] [<00000000fe72c21e>] SyS_mmap+0x16/0x20 [ 860.805847] [<00000000c716f72c>] do_syscall_64+0x1ad/0x570 [ 860.811544] [<000000006e0be097>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 860.818454] Code: c90 c48 cb8 c00 c00 c00 c00 c00 cfc cff cdf c55 c48 c89 ce5 c53 c65 c48 c8b c1c c25 c00 c7e c01 c00 c48 c8d cbb cac c08 c00 c00 c48 c89 cfa c48 cc1 cea c03 c0f cb6 c14 c02 c<48> c89 cf8 c83 ce0 c07 c83 cc0 c03 c38 cd0 c7c c04 c84 cd2 c75 c10 c8b c93 cac c08 c [ 860.851303] Kernel panic - not syncing: hung_task: blocked tasks [ 860.857479] CPU: 1 PID: 24 Comm: khungtaskd Not tainted 4.9.170+ #45 [ 860.863959] ffff8801d98d7c60 ffffffff81b4fb21 ffff8801c2209700 ffffffff82a79d40 [ 860.872027] 00000000ffffffff 0000000000000001 dffffc0000000000 ffff8801d98d7d40 [ 860.880177] ffffffff813f966a 0000000041b58ab3 ffffffff82e2eee2 ffffffff813f9491 [ 860.888768] Call Trace: [ 860.891363] [<000000003c82f97f>] dump_stack+0xc1/0x120 [ 860.896719] [<00000000ed346c51>] panic+0x1d9/0x3bd [ 860.901723] [<00000000d1e2c918>] ? add_taint.cold+0x16/0x16 [ 860.907527] [<0000000039269aeb>] ? irq_force_complete_move+0x300/0x300 [ 860.914277] [<00000000679ba79d>] ? ___preempt_schedule+0x16/0x18 [ 860.920502] [<0000000071a39306>] ? nmi_trigger_cpumask_backtrace+0x135/0x155 [ 860.927775] [<000000007197d623>] ? nmi_trigger_cpumask_backtrace+0x13f/0x155 [ 860.935049] [<000000001bd8f6fc>] watchdog+0x681/0xaf0 [ 860.940503] [<000000000f73e8f2>] ? watchdog+0x14b/0xaf0 [ 860.945956] [<00000000fb095dfe>] ? trace_hardirqs_on_caller+0x385/0x5a0 [ 860.952796] [<0000000088673700>] ? hungtask_pm_notify+0x60/0x60 [ 860.959130] [<0000000091e02785>] kthread+0x278/0x310 [ 860.964325] [<00000000fb3cd21c>] ? kthread_park+0xa0/0xa0 [ 860.969940] [<0000000071df10a9>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 860.976694] [<00000000e5c41d2e>] ? _raw_spin_unlock_irq+0x39/0x60 [ 860.983093] [<0000000063602467>] ? finish_task_switch+0x1e5/0x660 [ 860.989411] [<0000000043e9663e>] ? finish_task_switch+0x1b7/0x660 [ 860.996081] [<00000000af0053b7>] ? __switch_to_asm+0x34/0x70 [ 861.002061] [<0000000076eae5af>] ? __switch_to_asm+0x40/0x70 [ 861.008204] [<00000000af0053b7>] ? __switch_to_asm+0x34/0x70 [ 861.014080] [<00000000fb3cd21c>] ? kthread_park+0xa0/0xa0 [ 861.019698] [<00000000fb3cd21c>] ? kthread_park+0xa0/0xa0 [ 861.025310] [<00000000b86ff3e7>] ret_from_fork+0x5c/0x70 [ 861.031560] Kernel Offset: disabled [ 861.035418] Rebooting in 86400 seconds..