INIT: Id "6" respawning too fast: disabled for 5 minutes INIT: Id "2" respawning too fast: disabled for 5 minutes INIT: Id "3" respawning too fast: disabled for 5 minutes INIT: Id "4" respawning too fast: disabled for 5 minutes INIT: Id "1" respawning too fast: disabled for 5 minutes Warning: Permanently added '10.128.0.160' (ECDSA) to the list of known hosts. 2019/07/27 21:11:34 parsed 1 programs 2019/07/27 21:11:36 executed programs: 0 [ 845.898336] audit: type=1400 audit(1564261897.964:5): avc: denied { associate } for pid=2196 comm="syz-executor.2" name="syz2" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 2019/07/27 21:11:41 executed programs: 252 2019/07/27 21:11:46 executed programs: 597 2019/07/27 21:11:51 executed programs: 948 2019/07/27 21:11:56 executed programs: 1305 2019/07/27 21:12:01 executed programs: 1654 2019/07/27 21:12:06 executed programs: 1991 INIT: Id "6" respawning too fast: disabled for 5 minutes INIT: Id "1" respawning too fast: disabled for 5 minutes INIT: Id "3" respawning too fast: disabled for 5 minutes INIT: Id "5" respawning too fast: disabled for 5 minutes INIT: Id "4" respawning too fast: disabled for 5 minutes INIT: Id "2" respawning too fast: disabled for 5 minutes [ 1147.106339] INFO: task syz-executor.0:11577 blocked for more than 140 seconds. [ 1147.113831] Not tainted 4.9.186+ #10 [ 1147.119193] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1147.127385] syz-executor.0 D28744 11577 2198 0x80000000 [ 1147.133188] 0000000000000083 ffff8801c6c417c0 ffff8801d1299b80 ffff8801db621000 [ 1147.142157] ffff8801c6be5f00 ffff8801db621018 ffff8801c5e37ba0 ffffffff8280c5ee [ 1147.150452] 0000000041b58ab3 ffff8801c6c417c0 00ff8801c5e37af0 ffff8801db6218f0 [ 1147.158789] Call Trace: [ 1147.161467] [<000000004c2b7c79>] ? __schedule+0x6ce/0x1f10 [ 1147.167485] [<0000000094274c5e>] ? io_schedule_timeout+0x390/0x390 [ 1147.174958] [<00000000bcea3c4e>] ? mark_held_locks+0xb1/0x100 [ 1147.181482] [<0000000066e9d47e>] ? _raw_spin_unlock_irq+0x28/0x60 [ 1147.188122] [<000000009286438a>] ? rwsem_down_read_failed+0x253/0x3e0 [ 1147.194792] [<000000008787818e>] schedule+0x92/0x1c0 [ 1147.200288] [<0000000088d01563>] rwsem_down_read_failed+0x258/0x3e0 [ 1147.207003] [<00000000d4073b43>] ? rt_mutex_futex_unlock+0x10/0x10 [ 1147.213420] [<00000000697fe56f>] call_rwsem_down_read_failed+0x18/0x30 [ 1147.220582] [<00000000f729870e>] down_read+0x52/0xb0 [ 1147.225779] [<000000002beb08d2>] ? do_exit+0x3b7/0x2aa0 [ 1147.231493] [<000000002beb08d2>] do_exit+0x3b7/0x2aa0 [ 1147.237023] [<0000000096419d9a>] ? debug_lockdep_rcu_enabled.part.0+0x20/0x60 [ 1147.244467] [<00000000d4366618>] ? release_task+0x14a0/0x14a0 [ 1147.250731] [<00000000d3814cc1>] ? kick_process+0xef/0x180 [ 1147.256959] [<0000000066e9d47e>] ? _raw_spin_unlock_irq+0x28/0x60 [ 1147.263281] [<00000000c64edd48>] ? trace_hardirqs_on_caller+0x385/0x5a0 [ 1147.271089] [<00000000cabd901d>] do_group_exit+0x111/0x300 [ 1147.277208] [<00000000dd5ad8a7>] SyS_exit_group+0x1d/0x20 [ 1147.282829] [<000000007d107b39>] ? do_group_exit+0x300/0x300 [ 1147.288963] [<00000000af9cb371>] do_syscall_64+0x1ad/0x5c0 [ 1147.294674] [<00000000e416033a>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 1147.301935] [ 1147.301935] Showing all locks held in the system: [ 1147.308502] 2 locks held by khungtaskd/24: [ 1147.312736] #0: (rcu_read_lock){......}, at: [<00000000bee967c5>] watchdog+0x14b/0xaf0 [ 1147.321539] #1: (tasklist_lock){.+.+..}, at: [<00000000bbf574ea>] debug_show_all_locks+0x7f/0x21f [ 1147.331289] 2 locks held by getty/2022: [ 1147.335251] #0: (&tty->ldisc_sem){++++++}, at: [<00000000454b30be>] ldsem_down_read+0x33/0x40 [ 1147.344651] #1: (&ldata->atomic_read_lock){+.+...}, at: [<00000000c9402087>] n_tty_read+0x1fe/0x1820 [ 1147.355203] 1 lock held by syz-executor.0/11577: [ 1147.359972] #0: (&mm->mmap_sem){++++++}, at: [<000000002beb08d2>] do_exit+0x3b7/0x2aa0 [ 1147.368756] 1 lock held by syz-executor.0/11581: [ 1147.373492] #0: (&mm->mmap_sem){++++++}, at: [<000000002beb08d2>] do_exit+0x3b7/0x2aa0 [ 1147.382271] [ 1147.383880] ============================================= [ 1147.383880] [ 1147.391639] NMI backtrace for cpu 0 [ 1147.395267] CPU: 0 PID: 24 Comm: khungtaskd Not tainted 4.9.186+ #10 [ 1147.401741] ffff8801d98d7cc8 ffffffff81b5a0b1 0000000000000000 0000000000000000 [ 1147.409818] 0000000000000000 ffffffff81099a01 dffffc0000000000 ffff8801d98d7d00 [ 1147.417861] ffffffff81b6534c 0000000000000000 0000000000000000 0000000000000000 [ 1147.425899] Call Trace: [ 1147.428478] [<0000000069b0ac99>] dump_stack+0xc1/0x120 [ 1147.433834] [<00000000c8126fb7>] ? irq_force_complete_move+0x2c1/0x300 [ 1147.440582] [<000000004e4d89e5>] nmi_cpu_backtrace.cold+0x47/0x87 [ 1147.446889] [<000000000aa4a01e>] ? irq_force_complete_move+0x300/0x300 [ 1147.453631] [<0000000086e56cba>] nmi_trigger_cpumask_backtrace+0x124/0x155 [ 1147.460776] [<00000000700895a6>] arch_trigger_cpumask_backtrace+0x14/0x20 [ 1147.467785] [<000000000b0b8c28>] watchdog+0x670/0xaf0 [ 1147.473047] [<00000000bee967c5>] ? watchdog+0x14b/0xaf0 [ 1147.478493] [<00000000c64edd48>] ? trace_hardirqs_on_caller+0x385/0x5a0 [ 1147.485321] [<000000006b84a0bf>] ? hungtask_pm_notify+0x60/0x60 [ 1147.491548] [<00000000b9e85c09>] kthread+0x278/0x310 [ 1147.496727] [<00000000ccee1bcf>] ? kthread_park+0xa0/0xa0 [ 1147.502336] [<000000000d937e58>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 1147.509132] [<0000000000e6a9a0>] ? _raw_spin_unlock_irq+0x39/0x60 [ 1147.515441] [<0000000059bf6afb>] ? finish_task_switch+0x1e5/0x660 [ 1147.521750] [<0000000088d8e75c>] ? finish_task_switch+0x1b7/0x660 [ 1147.528082] [<00000000185dddfc>] ? __switch_to_asm+0x41/0x70 [ 1147.533968] [<00000000278756c2>] ? __switch_to_asm+0x35/0x70 [ 1147.539843] [<00000000185dddfc>] ? __switch_to_asm+0x41/0x70 [ 1147.545720] [<00000000ccee1bcf>] ? kthread_park+0xa0/0xa0 [ 1147.551331] [<00000000ccee1bcf>] ? kthread_park+0xa0/0xa0 [ 1147.556948] [<0000000024fa6aec>] ret_from_fork+0x5c/0x70 [ 1147.562651] Sending NMI from CPU 0 to CPUs 1: [ 1147.567652] NMI backtrace for cpu 1 [ 1147.571280] CPU: 1 PID: 11588 Comm: syz-executor.0 Not tainted 4.9.186+ #10 [ 1147.578374] task: 0000000051699f1e task.stack: 000000000da51cd0 [ 1147.584410] RIP: 0010:[] c [<000000006300c0de>] debug_mutex_unlock+0x72/0x540 [ 1147.593309] RSP: 0018:ffff8801c5f5fb50 EFLAGS: 00000046 [ 1147.598748] RAX: 0000000000000000 RBX: ffff8801c61bb5e0 RCX: 1ffffffff063fb70 [ 1147.606006] RDX: 0000000000000004 RSI: 0000000000000000 RDI: ffff8801c61bb5e0 [ 1147.613260] RBP: ffff8801c5f5fb70 R08: 0000000000000000 R09: 0000000000000001 [ 1147.620516] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff841f7ac0 [ 1147.627782] R13: ffff8801c61bb630 R14: 1ffff10038bebf72 R15: 0000000000000246 [ 1147.635044] FS: 00007f66f8ae7700(0000) GS:ffff8801db700000(0000) knlGS:0000000000000000 [ 1147.643250] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1147.649119] CR2: 0000000001760000 CR3: 00000001c59d1000 CR4: 00000000001606b0 [ 1147.656373] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1147.663631] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1147.670889] Stack: [ 1147.673019] 0000000000000003c ffff8801c61bb5e0c ffff8801c5f5fbb0c 1ffff10038bebf72c [ 1147.681235] ffff8801c5f5fc18c ffffffff828155f6c 0000000041b58ab3c ffff8801c61bb5e8c [ 1147.689616] 0000000041b58ab3c ffffffff82e34357c ffffffff82815490c ffff8801c724e7f8c [ 1147.697845] Call Trace: [ 1147.700411] [<000000001a3bf77e>] __mutex_unlock_slowpath+0x166/0x3e0 [ 1147.706976] [<000000004671d247>] ? __ww_mutex_lock_interruptible+0x1530/0x1530 [ 1147.714402] [<0000000012212c3a>] ? perf_mmap+0x618/0x1580 [ 1147.720107] [<00000000f1246069>] mutex_unlock+0x9/0x10 [ 1147.725449] [<000000001a746db4>] perf_mmap+0x620/0x1580 [ 1147.730882] [<00000000e9d283d8>] mmap_region+0x7e7/0xfa0 [ 1147.736396] [<000000003fb56dc6>] do_mmap+0x539/0xbc0 [ 1147.741578] [<0000000067ae731c>] vm_mmap_pgoff+0x179/0x1c0 [ 1147.747271] [<0000000028b463ed>] ? vma_is_stack_for_current+0xa0/0xa0 [ 1147.753919] [<00000000284d8e55>] ? __fget+0x22f/0x370 [ 1147.759175] [<0000000075b9a417>] SyS_mmap_pgoff+0xfa/0x1b0 [ 1147.764868] [<00000000de3c3fac>] ? align_vdso_addr+0x60/0x60 [ 1147.770744] [<00000000e9e1a76c>] SyS_mmap+0x16/0x20 [ 1147.775829] [<00000000af9cb371>] do_syscall_64+0x1ad/0x5c0 [ 1147.781522] [<00000000e416033a>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 1147.788434] Code: c45 c85 cc9 c0f c84 cd2 c00 c00 c00 c49 cc7 cc4 cc0 c7a c1f c84 c48 cb8 c00 c00 c00 c00 c00 cfc cff cdf c4c c89 ce2 c48 cc1 cea c03 c0f cb6 c14 c02 c4c c89 ce0 c83 ce0 c07 c<83> cc0 c03 c38 cd0 c7c c08 c84 cd2 c0f c85 c80 c02 c00 c00 c44 c8b c05 cb8 c4b cff c [ 1147.821543] Kernel panic - not syncing: hung_task: blocked tasks [ 1147.827732] CPU: 0 PID: 24 Comm: khungtaskd Not tainted 4.9.186+ #10 [ 1147.835179] ffff8801d98d7c60 ffffffff81b5a0b1 ffff8801c6c41700 ffffffff82a7ac60 [ 1147.843236] 00000000ffffffff 0000000000000000 dffffc0000000000 ffff8801d98d7d40 [ 1147.851281] ffffffff813fd59a 0000000041b58ab3 ffffffff82e317a2 ffffffff813fd3c1 [ 1147.859345] Call Trace: [ 1147.861944] [<0000000069b0ac99>] dump_stack+0xc1/0x120 [ 1147.867300] [<0000000018e3045c>] panic+0x1d9/0x3bd [ 1147.872307] [<0000000076e46a63>] ? add_taint.cold+0x16/0x16 [ 1147.878112] [<000000000aa4a01e>] ? irq_force_complete_move+0x300/0x300 [ 1147.884854] [<00000000e0a82d67>] ? ___preempt_schedule+0x16/0x18 [ 1147.891093] [<000000002063eecf>] ? nmi_trigger_cpumask_backtrace+0x135/0x155 [ 1147.898355] [<0000000027db38d3>] ? nmi_trigger_cpumask_backtrace+0x13f/0x155 [ 1147.905623] [<00000000760b3c8d>] watchdog+0x681/0xaf0 [ 1147.910890] [<00000000bee967c5>] ? watchdog+0x14b/0xaf0 [ 1147.916331] [<00000000c64edd48>] ? trace_hardirqs_on_caller+0x385/0x5a0 [ 1147.923159] [<000000006b84a0bf>] ? hungtask_pm_notify+0x60/0x60 [ 1147.929291] [<00000000b9e85c09>] kthread+0x278/0x310 [ 1147.934469] [<00000000ccee1bcf>] ? kthread_park+0xa0/0xa0 [ 1147.940084] [<000000000d937e58>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 1147.946832] [<0000000000e6a9a0>] ? _raw_spin_unlock_irq+0x39/0x60 [ 1147.953145] [<0000000059bf6afb>] ? finish_task_switch+0x1e5/0x660 [ 1147.959450] [<0000000088d8e75c>] ? finish_task_switch+0x1b7/0x660 [ 1147.965764] [<00000000185dddfc>] ? __switch_to_asm+0x41/0x70 [ 1147.971656] [<00000000278756c2>] ? __switch_to_asm+0x35/0x70 [ 1147.977555] [<00000000185dddfc>] ? __switch_to_asm+0x41/0x70 [ 1147.983434] [<00000000ccee1bcf>] ? kthread_park+0xa0/0xa0 [ 1147.989053] [<00000000ccee1bcf>] ? kthread_park+0xa0/0xa0 [ 1147.994666] [<0000000024fa6aec>] ret_from_fork+0x5c/0x70 [ 1148.000702] Kernel Offset: disabled [ 1148.004335] Rebooting in 86400 seconds..