Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 34.287376] audit: type=1800 audit(1543851872.206:33): pid=5984 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 34.309144] audit: type=1800 audit(1543851872.206:34): pid=5984 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 37.388671] audit: type=1400 audit(1543851875.306:35): avc: denied { map } for pid=6160 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 [ 37.424860] sshd (6158) used greatest stack depth: 15744 bytes left Warning: Permanently added '10.128.0.100' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program [ 44.013386] audit: type=1400 audit(1543851881.936:36): avc: denied { map } for pid=6174 comm="syz-executor144" path="/root/syz-executor144988605" dev="sda1" ino=16483 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 62.543419] WARNING: CPU: 0 PID: 9 at kernel/events/core.c:1833 perf_group_attach+0x4c1/0x5a0 [ 62.552308] Kernel panic - not syncing: panic_on_warn set ... [ 62.558222] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc5+ #141 [ 62.565042] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.574577] Call Trace: [ 62.577143] [ 62.579283] dump_stack+0x244/0x39d [ 62.582894] ? dump_stack_print_info.cold.1+0x20/0x20 [ 62.588068] panic+0x2ad/0x55c [ 62.591259] ? add_taint.cold.5+0x16/0x16 [ 62.595390] ? __warn.cold.8+0x5/0x45 [ 62.599181] ? __warn+0xe8/0x1d0 [ 62.602533] ? perf_group_attach+0x4c1/0x5a0 [ 62.606922] __warn.cold.8+0x20/0x45 [ 62.610621] ? rcu_softirq_qs+0x20/0x20 [ 62.614574] ? perf_group_attach+0x4c1/0x5a0 [ 62.618979] report_bug+0x254/0x2d0 [ 62.622614] do_error_trap+0x11b/0x200 [ 62.626506] do_invalid_op+0x36/0x40 [ 62.630217] ? perf_group_attach+0x4c1/0x5a0 [ 62.634639] invalid_op+0x14/0x20 [ 62.638089] RIP: 0010:perf_group_attach+0x4c1/0x5a0 [ 62.643103] Code: 8d 7c 24 10 48 89 f8 48 c1 e8 03 42 80 3c 30 00 75 51 4d 8b 64 24 10 49 83 ec 10 4c 39 e3 75 d2 e9 f8 fe ff ff e8 7f ad e9 ff <0f> 0b e9 e0 fc ff ff e8 73 06 2d 00 e9 ea fb ff ff e8 69 06 2d 00 [ 62.662006] RSP: 0018:ffff8881dae07bb0 EFLAGS: 00010006 [ 62.667370] RAX: ffff8881d9aec240 RBX: ffff8881c6acec00 RCX: ffffffff8195eaa6 [ 62.674639] RDX: 0000000000010100 RSI: ffffffff8195ee41 RDI: ffff8881c6b4f758 [ 62.681903] RBP: ffff8881dae07c48 R08: ffff8881d9aec240 R09: ffffed103b5c0f78 [ 62.689194] R10: ffffed103b5c0f78 R11: 0000000000000003 R12: ffff8881c6b4f540 [ 62.696461] R13: 1ffff1103b5c0f78 R14: ffffe8ffffc15298 R15: 0000000000000000 [ 62.703733] ? perf_group_attach+0x126/0x5a0 [ 62.708128] ? perf_group_attach+0x4c1/0x5a0 [ 62.712555] ? perf_mux_hrtimer_restart+0x270/0x270 [ 62.717574] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 62.723119] ? ctx_sched_out+0x169/0xa20 [ 62.727174] __perf_install_in_context+0x5bd/0xb70 [ 62.732088] ? __perf_event_enable+0x910/0x910 [ 62.736655] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 62.742183] ? check_preemption_disabled+0x48/0x280 [ 62.747223] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 62.751723] ? __perf_event_enable+0x910/0x910 [ 62.756303] ? perf_duration_warn+0x40/0x40 [ 62.760625] remote_function+0x12b/0x1a0 [ 62.764686] ? perf_duration_warn+0x40/0x40 [ 62.769012] flush_smp_call_function_queue+0x1d2/0x640 [ 62.774323] ? cpumask_weight+0x40/0x40 [ 62.778296] ? check_preemption_disabled+0x48/0x280 [ 62.783324] ? __lock_is_held+0xb5/0x140 [ 62.787396] generic_smp_call_function_single_interrupt+0x13/0x2b [ 62.793628] smp_call_function_single_interrupt+0x12f/0x650 [ 62.799360] ? smp_call_function_interrupt+0x650/0x650 [ 62.804635] ? interrupt_entry+0xb5/0xc0 [ 62.808712] ? trace_hardirqs_off_caller+0xbb/0x310 [ 62.813731] ? trace_hardirqs_off_caller+0xbb/0x310 [ 62.818750] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 62.823627] ? trace_hardirqs_on_caller+0x310/0x310 [ 62.828647] ? trace_hardirqs_on_caller+0x310/0x310 [ 62.833683] ? task_prio+0x50/0x50 [ 62.837224] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 62.842765] ? check_preemption_disabled+0x48/0x280 [ 62.847786] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 62.852640] call_function_single_interrupt+0xf/0x20 [ 62.857736] [ 62.859985] RIP: 0010:pids_free+0x0/0x310 [ 62.864131] Code: ff ff 4c 89 f7 e8 60 d9 48 00 e9 ac fd ff ff e8 36 d9 48 00 e9 12 ff ff ff e8 5c e4 ce ff 66 90 66 2e 0f 1f 84 00 00 00 00 00 <55> 48 89 e5 41 57 41 56 4c 8d b5 78 ff ff ff 41 55 4c 8d 7d d8 49 [ 62.883037] RSP: 0018:ffff8881d9aff400 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff04 [ 62.890763] RAX: ffffffff817a1ba0 RBX: 000000000000000b RCX: ffffffff81790196 [ 62.898031] RDX: 1ffffffff12b869c RSI: ffffffff81790122 RDI: ffff8881ca97a400 [ 62.905297] RBP: ffff8881d9aff4e0 R08: ffff8881d9aec240 R09: ffffed103952f484 [ 62.912583] R10: ffffed103952f484 R11: ffff8881ca97a423 R12: dffffc0000000000 [ 62.919855] R13: ffff8881d9aff438 R14: ffff8881ca97a400 R15: ffffffff895c3460 [ 62.927143] ? pids_cancel_attach+0x460/0x460 [ 62.931648] ? cgroup_free+0x1d6/0x3b0 [ 62.935538] ? cgroup_free+0x162/0x3b0 [ 62.939433] ? cgroup_free+0x1b2/0x3b0 [ 62.943326] ? cgroup_exit+0x490/0x490 [ 62.947216] ? find_held_lock+0x36/0x1c0 [ 62.951280] ? zap_class+0x640/0x640 [ 62.954999] ? debug_object_deactivate+0x2eb/0x450 [ 62.959932] __put_task_struct+0x185/0x620 [ 62.964176] ? free_task+0x1f0/0x1f0 [ 62.967893] ? __lock_is_held+0xb5/0x140 [ 62.971967] delayed_put_task_struct+0x2ff/0x4c0 [ 62.976726] ? child_wait_callback+0x270/0x270 [ 62.981309] ? debug_stats_show+0x100/0x100 [ 62.985632] ? __do_softirq+0x308/0xb7e [ 62.989612] ? trace_hardirqs_off_caller+0x310/0x310 [ 62.994724] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 63.000266] ? check_preemption_disabled+0x48/0x280 [ 63.005286] ? child_wait_callback+0x270/0x270 [ 63.009869] rcu_process_callbacks+0x100a/0x1ac0 [ 63.014631] ? rcu_note_context_switch+0x2150/0x2150 [ 63.019739] ? pick_next_task_fair+0xa05/0x1b30 [ 63.024416] ? rcu_note_context_switch+0x12ad/0x2150 [ 63.029528] ? zap_class+0x640/0x640 [ 63.033246] ? run_rebalance_domains+0x500/0x500 [ 63.038007] ? zap_class+0x640/0x640 [ 63.041728] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 63.046320] ? find_held_lock+0x36/0x1c0 [ 63.050392] ? finish_task_switch+0x1f4/0x910 [ 63.054888] ? _raw_spin_unlock_irq+0x27/0x80 [ 63.059386] ? _raw_spin_unlock_irq+0x27/0x80 [ 63.063881] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 63.068470] ? trace_hardirqs_on+0xbd/0x310 [ 63.072793] ? kasan_check_read+0x11/0x20 [ 63.076942] ? finish_task_switch+0x1f4/0x910 [ 63.081437] ? trace_hardirqs_off_caller+0x310/0x310 [ 63.086542] ? compat_start_thread+0x80/0x80 [ 63.090953] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 63.096497] ? _raw_spin_unlock_irq+0x60/0x80 [ 63.100991] ? finish_task_switch+0x1f4/0x910 [ 63.105485] ? finish_task_switch+0x1b4/0x910 [ 63.109981] ? __switch_to_asm+0x34/0x70 [ 63.114046] ? preempt_notifier_register+0x200/0x200 [ 63.119145] ? __switch_to_asm+0x34/0x70 [ 63.123213] ? __switch_to_asm+0x34/0x70 [ 63.127273] ? __switch_to_asm+0x40/0x70 [ 63.131330] ? __switch_to_asm+0x34/0x70 [ 63.135390] ? __switch_to_asm+0x40/0x70 [ 63.139456] ? __switch_to_asm+0x34/0x70 [ 63.143517] ? __switch_to_asm+0x40/0x70 [ 63.147579] ? __switch_to_asm+0x34/0x70 [ 63.151643] ? __switch_to_asm+0x40/0x70 [ 63.155718] ? pvclock_read_flags+0x160/0x160 [ 63.160215] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 63.165755] ? check_preemption_disabled+0x48/0x280 [ 63.170786] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 63.176324] ? rcu_pm_notify+0xc0/0xc0 [ 63.180227] __do_softirq+0x308/0xb7e [ 63.184042] ? trace_hardirqs_on_caller+0xc0/0x310 [ 63.188974] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 63.194085] ? schedule+0x108/0x460 [ 63.197717] ? __schedule+0x21d0/0x21d0 [ 63.201703] ? trace_hardirqs_off+0xb8/0x310 [ 63.206116] ? smpboot_thread_fn+0x68b/0xa00 [ 63.210536] ? trace_hardirqs_on+0x310/0x310 [ 63.214949] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 63.220490] ? check_preemption_disabled+0x48/0x280 [ 63.225513] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 63.231053] ? takeover_tasklets+0xa90/0xa90 [ 63.235465] run_ksoftirqd+0x5e/0x100 [ 63.239269] smpboot_thread_fn+0x68b/0xa00 [ 63.243514] ? sort_range+0x30/0x30 [ 63.247144] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 63.252258] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 63.257799] ? __kthread_parkme+0xfb/0x1a0 [ 63.262037] ? sort_range+0x30/0x30 [ 63.265666] kthread+0x35a/0x440 [ 63.269036] ? kthread_stop+0x900/0x900 [ 63.273011] ret_from_fork+0x3a/0x50 [ 63.277827] Kernel Offset: disabled [ 63.281509] Rebooting in 86400 seconds..