[ 38.373829] audit: type=1800 audit(1539306625.673:25): pid=5722 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="motd" dev="sda1" ino=2447 res=0 [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?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 '10.128.0.119' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 47.503893] kauditd_printk_skb: 10 callbacks suppressed [ 47.503909] audit: type=1400 audit(1539306634.833:36): avc: denied { map } for pid=5911 comm="syz-executor364" path="/root/syz-executor364793730" dev="sda1" ino=16481 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 [ 47.587070] Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000009 [ 47.587070] [ 47.596396] CPU: 1 PID: 1 Comm: init Not tainted 4.19.0-rc7+ #58 [ 47.602548] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.611907] Call Trace: [ 47.614505] dump_stack+0x1c4/0x2b4 [ 47.618145] ? dump_stack_print_info.cold.2+0x52/0x52 [ 47.623325] panic+0x238/0x4e7 [ 47.626511] ? add_taint.cold.5+0x16/0x16 [ 47.630648] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 47.636193] ? forget_original_parent.cold.18+0x5f/0xd5 [ 47.641549] forget_original_parent.cold.18+0x7b/0xd5 [ 47.646727] ? mark_held_locks+0x130/0x130 [ 47.650949] ? kill_orphaned_pgrp+0x5b0/0x5b0 [ 47.655432] ? perf_lock_task_context+0x830/0x830 [ 47.660267] ? perf_event_exit_task+0xc28/0x1070 [ 47.665043] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 47.670483] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 47.676018] ? __ia32_sys_perf_event_open+0x140/0x140 [ 47.681196] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 47.686744] ? refcount_add_not_zero_checked+0x330/0x330 [ 47.692184] ? lock_downgrade+0x900/0x900 [ 47.696348] ? preempt_count_add+0x7d/0x160 [ 47.700690] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 47.706214] ? fpu__drop+0x17e/0x7a0 [ 47.709913] ? fpu__prepare_write+0x790/0x790 [ 47.714417] ? lock_acquire+0x1ed/0x520 [ 47.718378] ? do_exit+0x1b41/0x2610 [ 47.722094] ? lock_release+0x970/0x970 [ 47.726085] ? trace_hardirqs_off+0xb8/0x310 [ 47.730493] ? task_work_run+0x226/0x2a0 [ 47.734539] ? do_exit+0x1b41/0x2610 [ 47.738239] ? trace_hardirqs_on+0x310/0x310 [ 47.742634] ? kasan_check_write+0x14/0x20 [ 47.746855] ? do_raw_write_lock+0xbd/0x1b0 [ 47.751164] do_exit+0x1b4c/0x2610 [ 47.754712] ? lock_downgrade+0x900/0x900 [ 47.758850] ? mm_update_next_owner+0x990/0x990 [ 47.763510] ? remove_wait_queue+0x1a6/0x360 [ 47.767915] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 47.773351] ? kasan_check_write+0x14/0x20 [ 47.777584] ? do_raw_spin_lock+0xc1/0x200 [ 47.781821] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 47.786913] ? remove_wait_queue+0x1a6/0x360 [ 47.791308] ? add_wait_queue+0x2b0/0x2b0 [ 47.795447] ? kasan_check_write+0x14/0x20 [ 47.799685] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 47.805205] ? fput+0x130/0x1a0 [ 47.808469] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 47.813508] ? poll_freewait+0x1d6/0x260 [ 47.817586] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 47.823126] ? mark_held_locks+0x130/0x130 [ 47.827347] ? do_select+0x1055/0x1ac0 [ 47.831227] ? mark_held_locks+0x130/0x130 [ 47.835477] ? select_estimate_accuracy+0x4b0/0x4b0 [ 47.840516] ? mark_held_locks+0x130/0x130 [ 47.844748] ? mark_held_locks+0x130/0x130 [ 47.848994] ? memset+0x31/0x40 [ 47.852269] ? __dequeue_signal+0xf9/0x7d0 [ 47.856514] ? set_fd_set.part.4+0x70/0x70 [ 47.860747] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 47.866270] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 47.871795] ? get_signal+0x95b/0x1980 [ 47.875678] ? lock_downgrade+0x900/0x900 [ 47.879847] do_group_exit+0x177/0x440 [ 47.883724] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 47.889164] ? __ia32_sys_exit+0x50/0x50 [ 47.893211] ? kasan_check_write+0x14/0x20 [ 47.897431] ? do_raw_spin_lock+0xc1/0x200 [ 47.901657] get_signal+0x8b0/0x1980 [ 47.905359] ? ptrace_notify+0x130/0x130 [ 47.909407] ? __might_fault+0x12b/0x1e0 [ 47.913455] ? lock_downgrade+0x900/0x900 [ 47.917588] ? lock_release+0x970/0x970 [ 47.921548] ? arch_local_save_flags+0x40/0x40 [ 47.926117] ? ktime_get_ts64+0x3a5/0x530 [ 47.930267] do_signal+0x9c/0x21e0 [ 47.933809] ? kasan_check_read+0x11/0x20 [ 47.937956] ? _copy_to_user+0xc8/0x110 [ 47.941934] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 47.947462] ? poll_select_copy_remaining+0x433/0x6a0 [ 47.952656] ? setup_sigcontext+0x7d0/0x7d0 [ 47.956977] ? poll_freewait+0x260/0x260 [ 47.961054] ? __do_sys_fstat+0x100/0x100 [ 47.965204] ? poll_select_set_timeout+0x156/0x240 [ 47.970130] ? do_restart_poll+0x2e0/0x2e0 [ 47.974360] ? core_sys_select+0xb80/0xb80 [ 47.978583] exit_to_usermode_loop+0x2e5/0x380 [ 47.983154] ? syscall_slow_exit_work+0x520/0x520 [ 47.987996] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 47.993543] do_syscall_64+0x6be/0x820 [ 47.997435] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 48.002788] ? syscall_return_slowpath+0x5e0/0x5e0 [ 48.007730] ? trace_hardirqs_on_caller+0x310/0x310 [ 48.012752] ? prepare_exit_to_usermode+0x291/0x3b0 [ 48.017757] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 48.022600] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 48.027780] RIP: 0033:0x7f3a2a4cadd3 [ 48.031496] Code: Bad RIP value. [ 48.034871] RSP: 002b:00007fffb8419848 EFLAGS: 00000246 ORIG_RAX: 0000000000000017 [ 48.042576] RAX: fffffffffffffdfe RBX: 00007fffb84199f0 RCX: 00007f3a2a4cadd3 [ 48.049847] RDX: 0000000000000000 RSI: 00007fffb8419ba0 RDI: 000000000000000b [ 48.057112] RBP: 00007fffb8419ba0 R08: 00007fffb8419c20 R09: 0000000000000001 [ 48.064387] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 48.071653] R13: 00007fffb8419f80 R14: 0000000000000000 R15: 0000000000000000 [ 48.079833] Kernel Offset: disabled [ 48.083459] Rebooting in 86400 seconds..