INIT: Id "4" respawning too fast: disabled for 5 minutes INIT: Id "3" 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 "2" respawning too fast: disabled for 5 minutes Warning: Permanently added '10.128.0.70' (ECDSA) to the list of known hosts. 2018/10/11 08:57:19 parsed 1 programs 2018/10/11 08:57:21 executed programs: 0 [ 1248.915097] audit: type=1400 audit(1539248245.727:5): avc: denied { associate } for pid=2263 comm="syz-executor4" name="syz4" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 2018/10/11 08:57:26 executed programs: 22 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 INIT: Id "6" respawning too fast: disabled for 5 minutes [ 1432.850192] INFO: task syz-executor0:5550 blocked for more than 140 seconds. [ 1432.857437] Not tainted 4.9.132+ #51 [ 1432.862126] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1432.870384] syz-executor0 D28568 5550 2266 0x80000000 [ 1432.876126] ffff8801ca552f80 ffff8801d4bba680 ffff8801d4bba680 ffff8801ca554740 [ 1432.884546] ffff8801db621018 ffff8801c9bf7b10 ffffffff827f36e2 ffff8801c9bf7ae8 [ 1432.892782] ffffffff81206c17 0000000000000000 00ff8801ca553828 ffff8801db6218f0 [ 1432.901118] Call Trace: [ 1432.903695] [] ? __schedule+0x662/0x1b10 [ 1432.909382] [] ? mark_held_locks+0xc7/0x130 [ 1432.915621] [] ? rwsem_down_read_failed+0x267/0x400 [ 1432.922450] [] schedule+0x7f/0x1b0 [ 1432.927618] [] rwsem_down_read_failed+0x26c/0x400 [ 1432.934256] [] ? rwsem_down_write_failed_killable+0x9a0/0x9a0 [ 1432.941935] [] call_rwsem_down_read_failed+0x18/0x30 [ 1432.948673] [] down_read+0x52/0xb0 [ 1432.954094] [] ? do_exit+0x3c1/0x29d0 [ 1432.959588] [] do_exit+0x3c1/0x29d0 [ 1432.965142] [] ? try_to_wake_up+0x5b2/0xf80 [ 1432.971467] [] ? release_task.part.4+0x14b0/0x14b0 [ 1432.978036] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1432.984980] [] ? _raw_spin_unlock_irq+0x27/0x50 [ 1432.991436] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 1432.998258] [] do_group_exit+0x111/0x300 [ 1433.004321] [] ? do_group_exit+0x300/0x300 [ 1433.010491] [] SyS_exit_group+0x1d/0x20 [ 1433.016108] [] do_syscall_64+0x19f/0x550 [ 1433.022069] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 1433.028978] [ 1433.028978] Showing all locks held in the system: [ 1433.035464] 2 locks held by khungtaskd/24: [ 1433.039679] #0: (rcu_read_lock){......}, at: [] watchdog+0x11c/0xa20 [ 1433.048406] #1: (tasklist_lock){.+.+..}, at: [] debug_show_all_locks+0x79/0x218 [ 1433.058102] 2 locks held by getty/2034: [ 1433.062066] #0: (&tty->ldisc_sem){++++++}, at: [] ldsem_down_read+0x32/0x40 [ 1433.071881] #1: (&ldata->atomic_read_lock){+.+...}, at: [] n_tty_read+0x202/0x16e0 [ 1433.081891] 1 lock held by syz-executor0/5550: [ 1433.086453] #0: (&mm->mmap_sem){++++++}, at: [] do_exit+0x3c1/0x29d0 [ 1433.095178] 1 lock held by syz-executor0/5551: [ 1433.099820] #0: (&mm->mmap_sem){++++++}, at: [] do_exit+0x3c1/0x29d0 [ 1433.108559] 1 lock held by syz-executor0/5563: [ 1433.113324] #0: (&mm->mmap_sem){++++++}, at: [] do_exit+0x3c1/0x29d0 [ 1433.122081] [ 1433.123696] ============================================= [ 1433.123696] [ 1433.131463] NMI backtrace for cpu 0 [ 1433.135084] CPU: 0 PID: 24 Comm: khungtaskd Not tainted 4.9.132+ #51 [ 1433.141561] ffff8801d9907d08 ffffffff81b371b9 0000000000000000 0000000000000000 [ 1433.149771] 0000000000000000 0000000000000001 ffffffff810984f0 ffff8801d9907d40 [ 1433.157808] ffffffff81b422c9 0000000000000000 0000000000000000 0000000000000003 [ 1433.165844] Call Trace: [ 1433.168428] [] dump_stack+0xc1/0x128 [ 1433.173781] [] ? irq_force_complete_move+0x330/0x330 [ 1433.180521] [] nmi_cpu_backtrace.cold.0+0x48/0x87 [ 1433.187003] [] ? irq_force_complete_move+0x330/0x330 [ 1433.193740] [] nmi_trigger_cpumask_backtrace+0x12c/0x151 [ 1433.200823] [] arch_trigger_cpumask_backtrace+0x14/0x20 [ 1433.207818] [] watchdog+0x6ad/0xa20 [ 1433.213068] [] ? watchdog+0x11c/0xa20 [ 1433.218495] [] kthread+0x26d/0x300 [ 1433.223665] [] ? reset_hung_task_detector+0x20/0x20 [ 1433.230305] [] ? kthread_park+0xa0/0xa0 [ 1433.236064] [] ? __switch_to_asm+0x34/0x70 [ 1433.241954] [] ? kthread_park+0xa0/0xa0 [ 1433.247573] [] ? kthread_park+0xa0/0xa0 [ 1433.253189] [] ret_from_fork+0x5c/0x70 [ 1433.258831] Sending NMI from CPU 0 to CPUs 1: [ 1433.263858] NMI backtrace for cpu 1 [ 1433.267475] CPU: 1 PID: 5562 Comm: syz-executor0 Not tainted 4.9.132+ #51 [ 1433.274376] task: ffff8801c9572f80 task.stack: ffff8801c9bd0000 [ 1433.280409] RIP: 0010:[] c [] mark_lock+0xb0/0x1290 [ 1433.288613] RSP: 0018:ffff8801c9bd7a60 EFLAGS: 00000046 [ 1433.294035] RAX: dffffc0000000000 RBX: ffff8801c9573858 RCX: 1ffff100392ae70f [ 1433.301279] RDX: 1ffffffff0798f9e RSI: ffff8801c9573858 RDI: ffffffff83cc7cf0 [ 1433.308573] RBP: ffff8801c9bd7aa8 R08: ffff8801c9573878 R09: 0000000000000000 [ 1433.315834] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff83cc7cc0 [ 1433.323092] R13: 0000000000000040 R14: 0000000000000006 R15: ffff8801c9572f80 [ 1433.330342] FS: 00007f20951aa700(0000) GS:ffff8801db700000(0000) knlGS:0000000000000000 [ 1433.338543] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1433.344403] CR2: 0000000000c9c308 CR3: 00000001c9b59000 CR4: 00000000001606b0 [ 1433.351654] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1433.359555] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1433.366814] Stack: [ 1433.368944] 0000000000000246c ffff8801c9572f80c ffffffff830cc2e0c d4e84e40c231a289c [ 1433.377154] 0000000000000001c ffff8801c9573830c ffffed00392ae705c ffff8801c9572f80c [ 1433.385377] dffffc0000000000c ffff8801c9bd7af8c ffffffff81206c17c 0000000000000246c [ 1433.393579] Call Trace: [ 1433.396141] [] mark_held_locks+0xc7/0x130 [ 1433.401912] [] ? mutex_lock_nested+0x6b7/0x900 [ 1433.408113] [] trace_hardirqs_on_caller+0x38b/0x590 [ 1433.414748] [] trace_hardirqs_on+0xd/0x10 [ 1433.420519] [] mutex_lock_nested+0x6b7/0x900 [ 1433.426549] [] ? perf_mmap+0x4f7/0x1430 [ 1433.432142] [] ? mutex_trylock+0x3e0/0x3e0 [ 1433.437999] [] ? __ww_mutex_lock_interruptible+0x1480/0x1480 [ 1433.445415] [] perf_mmap+0x4f7/0x1430 [ 1433.450837] [] mmap_region+0x80c/0xf90 [ 1433.456348] [] do_mmap+0x53d/0xbb0 [ 1433.461510] [] vm_mmap_pgoff+0x168/0x1b0 [ 1433.467189] [] ? vma_is_stack_for_current+0xa0/0xa0 [ 1433.474691] [] ? __fget+0x47/0x3d0 [ 1433.479858] [] SyS_mmap_pgoff+0xfe/0x1b0 [ 1433.485539] [] ? align_vdso_addr+0x60/0x60 [ 1433.491394] [] SyS_mmap+0x16/0x20 [ 1433.496467] [] do_syscall_64+0x19f/0x550 [ 1433.502148] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 1433.509065] Code: cb0 c01 c00 c00 c49 c81 cc4 cc0 c79 cc6 c83 c49 c8d c7c c24 c30 c48 cb8 c00 c00 c00 c00 c00 cfc cff cdf c48 c89 cfa c48 cc1 cea c03 c80 c3c c02 c00 c0f c85 cbb c0d c00 c00 c<4d> c85 c6c c24 c30 c74 c5f c41 cbd c01 c00 c00 c00 c48 c83 cc4 c20 c44 c89 ce8 c5b c [ 1433.541497] Kernel panic - not syncing: hung_task: blocked tasks [ 1433.547653] CPU: 0 PID: 24 Comm: khungtaskd Not tainted 4.9.132+ #51 [ 1433.554128] ffff8801d9907cc8 ffffffff81b371b9 ffffffff82a783c0 00000000ffffffff [ 1433.562172] 0000000000000000 0000000000000000 dffffc0000000000 ffff8801d9907d88 [ 1433.570204] ffffffff813f6be5 0000000041b58ab3 ffffffff82e2996b ffffffff813f6a26 [ 1433.578237] Call Trace: [ 1433.580815] [] dump_stack+0xc1/0x128 [ 1433.586162] [] panic+0x1bf/0x39f [ 1433.591162] [] ? add_taint.cold.6+0x16/0x16 [ 1433.597119] [] ? ___preempt_schedule+0x16/0x18 [ 1433.603340] [] ? nmi_trigger_cpumask_backtrace+0x102/0x151 [ 1433.610609] [] watchdog+0x6be/0xa20 [ 1433.615868] [] ? watchdog+0x11c/0xa20 [ 1433.621303] [] kthread+0x26d/0x300 [ 1433.626480] [] ? reset_hung_task_detector+0x20/0x20 [ 1433.633128] [] ? kthread_park+0xa0/0xa0 [ 1433.638826] [] ? __switch_to_asm+0x34/0x70 [ 1433.644695] [] ? kthread_park+0xa0/0xa0 [ 1433.650301] [] ? kthread_park+0xa0/0xa0 [ 1433.655909] [] ret_from_fork+0x5c/0x70 [ 1433.661960] Kernel Offset: disabled [ 1433.665572] Rebooting in 86400 seconds..