[ 37.014791] audit: type=1800 audit(1539301897.087:22): pid=5688 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="motd" dev="sda1" ino=2447 res=0 [ 37.042237] audit: type=1800 audit(1539301897.097:23): pid=5688 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rsyslog" dev="sda1" ino=2442 res=0 [ 37.061346] audit: type=1800 audit(1539301897.097:24): pid=5688 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="sudo" dev="sda1" ino=2454 res=0 [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.118' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 49.664495] Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000009 [ 49.664495] [ 49.674063] CPU: 0 PID: 1 Comm: init Not tainted 4.19.0-rc7+ #55 [ 49.680211] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.689561] Call Trace: [ 49.692152] dump_stack+0x1c4/0x2b4 [ 49.695769] ? dump_stack_print_info.cold.2+0x52/0x52 [ 49.700975] panic+0x238/0x4e7 [ 49.704167] ? add_taint.cold.5+0x16/0x16 [ 49.708349] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 49.713878] ? forget_original_parent.cold.18+0x5f/0xd5 [ 49.719233] forget_original_parent.cold.18+0x7b/0xd5 [ 49.724414] ? mark_held_locks+0x130/0x130 [ 49.728640] ? kill_orphaned_pgrp+0x5b0/0x5b0 [ 49.733140] ? perf_lock_task_context+0x830/0x830 [ 49.737998] ? perf_event_exit_task+0xc28/0x1070 [ 49.742760] ? mnt_get_count+0x150/0x150 [ 49.746828] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 49.752493] ? __ia32_sys_perf_event_open+0x140/0x140 [ 49.757696] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 49.763242] ? refcount_add_not_zero_checked+0x330/0x330 [ 49.768807] ? lock_downgrade+0x900/0x900 [ 49.772959] ? preempt_count_add+0x7d/0x160 [ 49.777270] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 49.782802] ? fpu__drop+0x17e/0x7a0 [ 49.786509] ? fpu__prepare_write+0x790/0x790 [ 49.790994] ? lock_acquire+0x1ed/0x520 [ 49.795131] ? do_exit+0x1b41/0x2610 [ 49.798872] ? lock_release+0x970/0x970 [ 49.802862] ? trace_hardirqs_off+0xb8/0x310 [ 49.807271] ? task_work_run+0x226/0x2a0 [ 49.811326] ? do_exit+0x1b41/0x2610 [ 49.815163] ? trace_hardirqs_on+0x310/0x310 [ 49.819602] ? kasan_check_write+0x14/0x20 [ 49.823845] ? do_raw_write_lock+0xbd/0x1b0 [ 49.828158] do_exit+0x1b4c/0x2610 [ 49.831696] ? lock_downgrade+0x900/0x900 [ 49.835843] ? mm_update_next_owner+0x990/0x990 [ 49.840502] ? remove_wait_queue+0x1a6/0x360 [ 49.844907] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 49.850355] ? kasan_check_write+0x14/0x20 [ 49.854644] ? do_raw_spin_lock+0xc1/0x200 [ 49.858912] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 49.864017] ? remove_wait_queue+0x1a6/0x360 [ 49.868423] ? add_wait_queue+0x2b0/0x2b0 [ 49.872561] ? kasan_check_write+0x14/0x20 [ 49.876789] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 49.882372] ? fput+0x130/0x1a0 [ 49.885643] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 49.890646] ? poll_freewait+0x1d6/0x260 [ 49.894710] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 49.900237] ? mark_held_locks+0x130/0x130 [ 49.904460] ? do_select+0x1055/0x1ac0 [ 49.908341] ? mark_held_locks+0x130/0x130 [ 49.912562] ? select_estimate_accuracy+0x4b0/0x4b0 [ 49.917570] ? mark_held_locks+0x130/0x130 [ 49.921806] ? mark_held_locks+0x130/0x130 [ 49.926046] ? memset+0x31/0x40 [ 49.929313] ? __dequeue_signal+0xf9/0x7d0 [ 49.933537] ? set_fd_set.part.4+0x70/0x70 [ 49.937777] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 49.943339] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 49.948866] ? get_signal+0x95b/0x1980 [ 49.952753] ? lock_downgrade+0x900/0x900 [ 49.956964] do_group_exit+0x177/0x440 [ 49.960862] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 49.966313] ? __ia32_sys_exit+0x50/0x50 [ 49.970359] ? kasan_check_write+0x14/0x20 [ 49.974582] ? do_raw_spin_lock+0xc1/0x200 [ 49.978804] get_signal+0x8b0/0x1980 [ 49.982509] ? ptrace_notify+0x130/0x130 [ 49.986559] ? __might_fault+0x12b/0x1e0 [ 49.990609] ? lock_downgrade+0x900/0x900 [ 49.994752] ? lock_release+0x970/0x970 [ 49.998725] ? arch_local_save_flags+0x40/0x40 [ 50.003298] ? ktime_get_ts64+0x3a5/0x530 [ 50.007448] do_signal+0x9c/0x21e0 [ 50.010991] ? kasan_check_read+0x11/0x20 [ 50.015127] ? _copy_to_user+0xc8/0x110 [ 50.019089] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 50.024619] ? poll_select_copy_remaining+0x433/0x6a0 [ 50.029805] ? setup_sigcontext+0x7d0/0x7d0 [ 50.034130] ? poll_freewait+0x260/0x260 [ 50.038189] ? __do_sys_fstat+0x100/0x100 [ 50.042336] ? poll_select_set_timeout+0x156/0x240 [ 50.047257] ? do_restart_poll+0x2e0/0x2e0 [ 50.051489] ? core_sys_select+0xb80/0xb80 [ 50.055719] exit_to_usermode_loop+0x2e5/0x380 [ 50.060289] ? syscall_slow_exit_work+0x520/0x520 [ 50.065122] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 50.070649] do_syscall_64+0x6be/0x820 [ 50.074532] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 50.079896] ? syscall_return_slowpath+0x5e0/0x5e0 [ 50.084817] ? trace_hardirqs_on_caller+0x310/0x310 [ 50.089828] ? prepare_exit_to_usermode+0x291/0x3b0 [ 50.094836] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.099672] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 50.104847] RIP: 0033:0x7fa59f779dd3 [ 50.108547] Code: Bad RIP value. [ 50.111901] RSP: 002b:00007ffc55e92108 EFLAGS: 00000246 ORIG_RAX: 0000000000000017 [ 50.119595] RAX: fffffffffffffdfe RBX: 00007ffc55e922b0 RCX: 00007fa59f779dd3 [ 50.126856] RDX: 0000000000000000 RSI: 00007ffc55e92460 RDI: 000000000000000b [ 50.134114] RBP: 00007ffc55e92460 R08: 00007ffc55e924e0 R09: 0000000000000001 [ 50.141421] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 50.148690] R13: 00007ffc55e92840 R14: 0000000000000000 R15: 0000000000000000 [ 50.156899] Kernel Offset: disabled [ 50.160521] Rebooting in 86400 seconds..