INIT: Id "2" respawning too fast: disabled for 5 minutes INIT: Id "1" respawning too fast: disabled for 5 minutes INIT: Id "6" 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 Warning: Permanently added '10.128.0.87' (ECDSA) to the list of known hosts. 2019/04/13 05:59:39 parsed 1 programs 2019/04/13 05:59:42 executed programs: 0 [ 992.266472] audit: type=1400 audit(1555135184.336:5): avc: denied { associate } for pid=2235 comm="syz-executor.5" name="syz5" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 2019/04/13 05:59:47 executed programs: 220 2019/04/13 05:59:52 executed programs: 584 2019/04/13 05:59:57 executed programs: 926 2019/04/13 06:00:02 executed programs: 1287 2019/04/13 06:00:07 executed programs: 1630 2019/04/13 06:00:12 executed programs: 1996 2019/04/13 06:00:17 executed programs: 2339 2019/04/13 06:00:22 executed programs: 2688 2019/04/13 06:00:27 executed programs: 3048 2019/04/13 06:00:32 executed programs: 3398 2019/04/13 06:00:37 executed programs: 3748 2019/04/13 06:00:42 executed programs: 4098 2019/04/13 06:00:47 executed programs: 4450 2019/04/13 06:00:52 executed programs: 4813 2019/04/13 06:00:57 executed programs: 5152 2019/04/13 06:01:02 executed programs: 5502 2019/04/13 06:01:07 executed programs: 5859 2019/04/13 06:01:12 executed programs: 6211 2019/04/13 06:01:17 executed programs: 6568 2019/04/13 06:01:22 executed programs: 6931 2019/04/13 06:01:27 executed programs: 7277 2019/04/13 06:01:32 executed programs: 7633 2019/04/13 06:01:37 executed programs: 7987 2019/04/13 06:01:42 executed programs: 8329 2019/04/13 06:01:47 executed programs: 8698 2019/04/13 06:01:52 executed programs: 9040 2019/04/13 06:01:57 executed programs: 9388 2019/04/13 06:02:02 executed programs: 9735 2019/04/13 06:02:08 executed programs: 10085 2019/04/13 06:02:13 executed programs: 10442 2019/04/13 06:02:18 executed programs: 10798 2019/04/13 06:02:23 executed programs: 11141 2019/04/13 06:02:28 executed programs: 11494 2019/04/13 06:02:33 executed programs: 11840 INIT: Id "3" respawning too fast: disabled for 5 minutes INIT: Id "1" 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 INIT: Id "4" respawning too fast: disabled for 5 minutes INIT: Id "5" respawning too fast: disabled for 5 minutes [ 1433.455547] INFO: task syz-executor.2:18813 blocked for more than 140 seconds. [ 1433.463308] Not tainted 4.9.168+ #40 [ 1433.467952] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1433.476137] syz-executor.2 D28976 18813 2230 0x80000000 [ 1433.482009] ffff8801c9ce17c0 ffff8801cfb0b180 ffff8801db721000 ffff8801cfabdf00 [ 1433.490541] ffff8801db721018 ffff8801c290fba0 ffffffff8280028e 0000000041b58ab3 [ 1433.499118] ffff8801c9ce17c0 00ff8801c290faf0 ffff8801db7218f0 1ffff10038521f63 [ 1433.507533] Call Trace: [ 1433.510245] [<000000000de32a24>] ? __schedule+0x6ce/0x1f10 [ 1433.516259] [<000000006b9174a6>] ? io_schedule_timeout+0x390/0x390 [ 1433.522801] [<00000000fd87e09e>] ? mark_held_locks+0xb1/0x100 [ 1433.529213] [<00000000f05ada23>] ? _raw_spin_unlock_irq+0x28/0x60 [ 1433.536370] [<000000005988d3d9>] ? rwsem_down_read_failed+0x253/0x3e0 [ 1433.543038] [<0000000028b37c7f>] schedule+0x92/0x1c0 [ 1433.549298] [<00000000eea83b25>] rwsem_down_read_failed+0x258/0x3e0 [ 1433.556130] [<000000008f13d9fa>] ? rwsem_down_write_failed_killable+0x8f0/0x8f0 [ 1433.563767] [<000000008f2b5747>] call_rwsem_down_read_failed+0x18/0x30 [ 1433.571245] [<00000000223a4b23>] down_read+0x52/0xb0 [ 1433.576837] [<0000000051a46d13>] ? do_exit+0x3b7/0x2aa0 [ 1433.582387] [<0000000051a46d13>] do_exit+0x3b7/0x2aa0 [ 1433.588050] [<0000000064020052>] ? debug_lockdep_rcu_enabled.part.0+0x50/0x60 [ 1433.595636] [<00000000feb14cd4>] ? release_task+0x14a0/0x14a0 [ 1433.601689] [<000000004458bc85>] ? kick_process+0xef/0x180 [ 1433.607685] [<00000000f05ada23>] ? _raw_spin_unlock_irq+0x28/0x60 [ 1433.614791] [<000000009e0038bf>] ? trace_hardirqs_on_caller+0x385/0x5a0 [ 1433.622033] [<00000000b5caab24>] do_group_exit+0x111/0x300 [ 1433.627987] [<000000004bc657af>] SyS_exit_group+0x1d/0x20 [ 1433.633612] [<00000000b49e6cc0>] ? do_group_exit+0x300/0x300 [ 1433.639751] [<000000003e33bf44>] do_syscall_64+0x1ad/0x570 [ 1433.645765] [<0000000073b63534>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 1433.652803] [ 1433.652803] Showing all locks held in the system: [ 1433.659438] 2 locks held by khungtaskd/24: [ 1433.663669] #0: (rcu_read_lock){......}, at: [<00000000f62a06e0>] watchdog+0x13c/0xae0 [ 1433.672596] #1: (tasklist_lock){.+.+..}, at: [<00000000ed586e03>] debug_show_all_locks+0x7f/0x21f [ 1433.682580] 2 locks held by getty/2024: [ 1433.686558] #0: (&tty->ldisc_sem){++++++}, at: [<000000003a399664>] ldsem_down_read+0x33/0x40 [ 1433.695960] #1: (&ldata->atomic_read_lock){+.+...}, at: [<0000000028c777a9>] n_tty_read+0x1fe/0x1820 [ 1433.706066] 1 lock held by syz-executor.2/18813: [ 1433.710893] #0: (&mm->mmap_sem){++++++}, at: [<0000000051a46d13>] do_exit+0x3b7/0x2aa0 [ 1433.719714] 1 lock held by syz-executor.2/18820: [ 1433.724453] #0: (&mm->mmap_sem){++++++}, at: [<0000000051a46d13>] do_exit+0x3b7/0x2aa0 [ 1433.733269] [ 1433.734906] ============================================= [ 1433.734906] [ 1433.743317] NMI backtrace for cpu 0 [ 1433.746968] CPU: 0 PID: 24 Comm: khungtaskd Not tainted 4.9.168+ #40 [ 1433.753450] ffff8801d98d7cc8 ffffffff81b4f5d1 0000000000000000 0000000000000000 [ 1433.761500] 0000000000000000 ffffffff81097401 dffffc0000000000 ffff8801d98d7d00 [ 1433.769541] ffffffff81b5a86c 0000000000000000 0000000000000000 0000000000000000 [ 1433.777611] Call Trace: [ 1433.780204] [<00000000e0037114>] dump_stack+0xc1/0x120 [ 1433.785589] [<00000000d48f1e77>] ? irq_force_complete_move+0x281/0x300 [ 1433.792365] [<000000000b41671f>] nmi_cpu_backtrace.cold+0x47/0x87 [ 1433.798682] [<00000000435d9315>] ? irq_force_complete_move+0x300/0x300 [ 1433.805433] [<00000000b357a724>] nmi_trigger_cpumask_backtrace+0x124/0x155 [ 1433.812533] [<00000000b4992115>] arch_trigger_cpumask_backtrace+0x14/0x20 [ 1433.819539] [<00000000796d3f36>] watchdog+0x661/0xae0 [ 1433.824804] [<00000000f62a06e0>] ? watchdog+0x13c/0xae0 [ 1433.830247] [<000000009e0038bf>] ? trace_hardirqs_on_caller+0x385/0x5a0 [ 1433.837080] [<0000000003c61c99>] ? reset_hung_task_detector+0x20/0x20 [ 1433.843798] [<00000000dfbb3002>] kthread+0x278/0x310 [ 1433.848983] [<0000000082bccbb2>] ? kthread_park+0xa0/0xa0 [ 1433.854597] [<00000000638163f5>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 1433.861353] [<00000000cbad1032>] ? _raw_spin_unlock_irq+0x39/0x60 [ 1433.867689] [<0000000021559c64>] ? finish_task_switch+0x1e5/0x660 [ 1433.874032] [<00000000ace7036d>] ? finish_task_switch+0x1b7/0x660 [ 1433.880344] [<00000000ff08c963>] ? __switch_to_asm+0x34/0x70 [ 1433.886310] [<000000005c017369>] ? __switch_to_asm+0x40/0x70 [ 1433.892207] [<00000000ff08c963>] ? __switch_to_asm+0x34/0x70 [ 1433.898093] [<0000000082bccbb2>] ? kthread_park+0xa0/0xa0 [ 1433.903718] [<0000000082bccbb2>] ? kthread_park+0xa0/0xa0 [ 1433.909334] [<000000001da549f7>] ret_from_fork+0x5c/0x70 [ 1433.915000] Sending NMI from CPU 0 to CPUs 1: [ 1433.920046] NMI backtrace for cpu 1 [ 1433.923860] CPU: 1 PID: 18828 Comm: syz-executor.2 Not tainted 4.9.168+ #40 [ 1433.930946] task: 00000000a4ae1614 task.stack: 000000006c8331c0 [ 1433.936993] RIP: 0010:[] c [<0000000068d9999f>] __sanitizer_cov_trace_pc+0x20/0x50 [ 1433.946341] RSP: 0018:ffff8801c5c77c28 EFLAGS: 00000246 [ 1433.951781] RAX: ffff8801c9ecaf80 RBX: ffff8801c6805728 RCX: 1ffff100393d970a [ 1433.959050] RDX: 0000000000000000 RSI: ffffffff813dbedf RDI: ffff8801c5c77bb0 [ 1433.966350] RBP: ffff8801c5c77c28 R08: 0000000000000000 R09: ffff8801c9ecb850 [ 1433.973613] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1433.980885] R13: ffff8801c636d960 R14: ffff8801d2b3c400 R15: ffff8801d2b3c6e0 [ 1433.988150] FS: 00007f57efe88700(0000) GS:ffff8801db700000(0000) knlGS:0000000000000000 [ 1433.996377] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1434.002351] CR2: 0000000000f4f308 CR3: 00000001c867a000 CR4: 00000000001606b0 [ 1434.009614] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1434.016885] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1434.024140] Stack: [ 1434.026271] ffff8801c5c77cc0c ffffffff813dbedfc ffff8801c636d960c ffff8801c5c77c68c [ 1434.034487] 0000000000000246c 0000000000000003c ffff8801d2b3c6c4c ffff8801c636d9f8c [ 1434.042794] ffffffff830a2140c ffff8801d2b3c768c 0000000000000000c ffff8801c636d9b0c [ 1434.051008] Call Trace: [ 1434.053584] [<000000002384ad74>] perf_mmap+0x4cf/0x1580 [ 1434.059045] [<00000000555e8447>] mmap_region+0x7e7/0xfa0 [ 1434.064767] [<00000000c4e0bb3d>] do_mmap+0x539/0xbc0 [ 1434.069956] [<00000000cd906feb>] vm_mmap_pgoff+0x179/0x1c0 [ 1434.075654] [<0000000080be4de8>] ? vma_is_stack_for_current+0xa0/0xa0 [ 1434.082396] [<000000006410652e>] ? __fget+0x22f/0x370 [ 1434.087746] [<000000004b4bf30c>] SyS_mmap_pgoff+0xfa/0x1b0 [ 1434.093444] [<00000000a3568103>] ? align_vdso_addr+0x60/0x60 [ 1434.099402] [<00000000e3aba7fd>] SyS_mmap+0x16/0x20 [ 1434.104490] [<000000003e33bf44>] do_syscall_64+0x1ad/0x570 [ 1434.110207] [<0000000073b63534>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 1434.117127] Code: c1f c84 c00 c00 c00 c00 c00 c0f c1f c40 c00 c55 c48 c89 ce5 c48 c8b c75 c08 c65 c48 c8b c04 c25 c00 c7e c01 c00 c65 c8b c15 c18 cad ccf c7e c81 ce2 c00 c01 c1f c00 c75 c2b c<8b> c90 c38 c12 c00 c00 c83 cfa c02 c75 c20 c48 c8b c88 c40 c12 c00 c00 c8b c80 c3c c [ 1434.149922] Kernel panic - not syncing: hung_task: blocked tasks [ 1434.156092] CPU: 0 PID: 24 Comm: khungtaskd Not tainted 4.9.168+ #40 [ 1434.162579] ffff8801d98d7c60 ffffffff81b4f5d1 ffff8801c9ce1700 ffffffff82a79d00 [ 1434.170724] 00000000ffffffff 0000000000000000 dffffc0000000000 ffff8801d98d7d40 [ 1434.178801] ffffffff813f945a 0000000041b58ab3 ffffffff82e2ec5a ffffffff813f9281 [ 1434.186860] Call Trace: [ 1434.189450] [<00000000e0037114>] dump_stack+0xc1/0x120 [ 1434.194806] [<00000000ce7c72f4>] panic+0x1d9/0x3bd [ 1434.199841] [<00000000be964588>] ? add_taint.cold+0x16/0x16 [ 1434.206092] [<00000000435d9315>] ? irq_force_complete_move+0x300/0x300 [ 1434.212866] [<0000000034077fb7>] ? ___preempt_schedule+0x16/0x18 [ 1434.219103] [<000000001d236f60>] ? nmi_trigger_cpumask_backtrace+0x135/0x155 [ 1434.226379] [<00000000f892b979>] ? nmi_trigger_cpumask_backtrace+0x13f/0x155 [ 1434.233736] [<0000000088101e68>] watchdog+0x672/0xae0 [ 1434.239008] [<00000000f62a06e0>] ? watchdog+0x13c/0xae0 [ 1434.244450] [<000000009e0038bf>] ? trace_hardirqs_on_caller+0x385/0x5a0 [ 1434.251284] [<0000000003c61c99>] ? reset_hung_task_detector+0x20/0x20 [ 1434.257947] [<00000000dfbb3002>] kthread+0x278/0x310 [ 1434.263135] [<0000000082bccbb2>] ? kthread_park+0xa0/0xa0 [ 1434.268750] [<00000000638163f5>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 1434.275508] [<00000000cbad1032>] ? _raw_spin_unlock_irq+0x39/0x60 [ 1434.281867] [<0000000021559c64>] ? finish_task_switch+0x1e5/0x660 [ 1434.288197] [<00000000ace7036d>] ? finish_task_switch+0x1b7/0x660 [ 1434.294535] [<00000000ff08c963>] ? __switch_to_asm+0x34/0x70 [ 1434.300416] [<000000005c017369>] ? __switch_to_asm+0x40/0x70 [ 1434.306300] [<00000000ff08c963>] ? __switch_to_asm+0x34/0x70 [ 1434.312183] [<0000000082bccbb2>] ? kthread_park+0xa0/0xa0 [ 1434.317803] [<0000000082bccbb2>] ? kthread_park+0xa0/0xa0 [ 1434.323767] [<000000001da549f7>] ret_from_fork+0x5c/0x70 [ 1434.329729] Kernel Offset: disabled [ 1434.333359] Rebooting in 86400 seconds..