[....] 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. [ 29.494490] kauditd_printk_skb: 8 callbacks suppressed [ 29.494502] audit: type=1800 audit(1543351540.872:29): pid=5876 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 29.521260] audit: type=1800 audit(1543351540.872:30): pid=5876 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 32.555245] sshd (6016) used greatest stack depth: 15632 bytes left Warning: Permanently added '10.128.0.28' (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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 40.439393] Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000005 [ 40.447242] CPU: 1 PID: 1 Comm: init Not tainted 4.20.0-rc1-next-20181109+ #110 [ 40.454685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.464042] Call Trace: [ 40.466652] dump_stack+0x244/0x39d [ 40.470295] ? dump_stack_print_info.cold.1+0x20/0x20 [ 40.475509] ? forget_original_parent+0x1452/0x1c00 [ 40.480573] panic+0x2ad/0x55c [ 40.483778] ? add_taint.cold.5+0x16/0x16 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 40.487942] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 40.493497] ? forget_original_parent.cold.17+0x5f/0xd5 [ 40.498881] forget_original_parent.cold.17+0x7b/0xd5 [ 40.504099] ? mark_held_locks+0x130/0x130 [ 40.508343] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 40.513645] ? kill_orphaned_pgrp+0x5b0/0x5b0 [ 40.518155] ? perf_lock_task_context+0xb70/0xb70 [ 40.523026] ? perf_event_exit_task+0xc28/0x1070 [ 40.527812] ? graph_lock+0x270/0x270 [ 40.531628] ? kzfree+0x28/0x30 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 40.534926] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 40.540488] ? __ia32_sys_perf_event_open+0x140/0x140 [ 40.545708] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 40.551263] ? refcount_dec_checked+0x70/0x70 [ 40.555775] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 40.561335] ? lock_acquire+0x1ed/0x520 [ 40.565324] ? do_exit+0x1ab2/0x2620 [ 40.569097] ? kasan_check_write+0x14/0x20 [ 40.573339] ? do_raw_write_lock+0x14f/0x310 [ 40.577759] ? do_raw_read_unlock+0x70/0x70 [ 40.582114] ? trace_hardirqs_on+0x310/0x310 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 40.586532] ? task_work_cancel+0x240/0x240 [ 40.590881] do_exit+0x1abd/0x2620 [ 40.594431] ? revert_creds+0x1b6/0x220 [ 40.598428] ? mm_update_next_owner+0x990/0x990 [ 40.603123] ? do_coredump+0x477/0x4001 [ 40.607193] ? unwind_get_return_address+0x61/0xa0 [ 40.612170] ? _raw_read_unlock_irqrestore+0x50/0xd0 [ 40.617290] ? dump_align+0xa0/0xa0 [ 40.620926] ? save_stack+0xa9/0xd0 [ 40.624572] ? save_stack+0x43/0xd0 [ 40.628223] ? __kasan_slab_free+0x102/0x150 [ 40.632635] ? kasan_slab_free+0xe/0x10 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 40.636640] ? kmem_cache_free+0x83/0x290 [ 40.640796] ? __sigqueue_free.part.29+0x74/0x90 [ 40.645557] ? __dequeue_signal+0x530/0x7d0 [ 40.649934] ? dequeue_signal+0xbd/0x630 [ 40.654003] ? get_signal+0x3ec/0x1970 [ 40.657895] ? do_signal+0x9c/0x21c0 [ 40.661807] ? exit_to_usermode_loop+0x2e5/0x380 [ 40.666582] ? prepare_exit_to_usermode+0x342/0x3b0 [ 40.671618] ? trace_hardirqs_off+0xb8/0x310 [ 40.676042] ? kasan_check_read+0x11/0x20 [ 40.680204] ? do_raw_spin_unlock+0xa7/0x330 [ 40.684638] ? trace_hardirqs_on+0x310/0x310 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 40.689086] ? graph_lock+0x270/0x270 [ 40.692917] ? __lock_is_held+0xb5/0x140 [ 40.696996] ? __sigqueue_free.part.29+0x74/0x90 [ 40.701770] ? graph_lock+0x270/0x270 [ 40.705589] ? __sigqueue_free.part.29+0x74/0x90 [ 40.710354] ? rcu_read_lock_sched_held+0x14f/0x180 [ 40.715382] ? kmem_cache_free+0x24f/0x290 [ 40.719634] ? __sigqueue_free.part.29+0x74/0x90 [ 40.724406] ? find_held_lock+0x36/0x1c0 [ 40.728493] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 40.734041] ? proc_coredump_connector+0x4f8/0x630 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 40.738995] ? proc_comm_connector+0x520/0x520 [ 40.743597] do_group_exit+0x177/0x440 [ 40.747503] ? __ia32_sys_exit+0x50/0x50 [ 40.751595] get_signal+0x8a8/0x1970 [ 40.755330] ? ptrace_notify+0x130/0x130 [ 40.759443] ? find_held_lock+0x36/0x1c0 [ 40.763526] ? force_sig_info+0x281/0x310 [ 40.767699] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 40.772831] do_signal+0x9c/0x21c0 [ 40.776381] ? trace_hardirqs_on+0xbd/0x310 [ 40.780715] ? kasan_check_read+0x11/0x20 [ 40.784889] ? force_sig_info+0x281/0x310 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 40.789051] ? trace_hardirqs_off_caller+0x300/0x300 [ 40.794698] ? setup_sigcontext+0x7d0/0x7d0 [ 40.799034] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 40.804160] ? exit_to_usermode_loop+0x8c/0x380 [ 40.808837] ? exit_to_usermode_loop+0x8c/0x380 [ 40.813515] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 40.818127] ? trace_hardirqs_on+0xbd/0x310 [ 40.822455] ? prepare_exit_to_usermode+0x342/0x3b0 [ 40.827518] exit_to_usermode_loop+0x2e5/0x380 [ 40.832114] ? __bpf_trace_sys_exit+0x30/0x30 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 40.836636] ? trace_hardirqs_off_caller+0xbb/0x300 [ 40.841674] prepare_exit_to_usermode+0x342/0x3b0 [ 40.846535] ? trace_event_raw_event_sys_enter+0x700/0x700 [ 40.852190] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 40.857049] ? debug+0x44/0x60 [ 40.860259] retint_user+0x8/0x18 [ 40.863726] RIP: 0033:0x7f60e65dddd9 [ 40.867454] Code: Bad RIP value. [ 40.870823] RSP: 002b:00007ffc9f401258 EFLAGS: 00000317 [ 40.876206] RAX: 0000000000000000 RBX: 00007ffc9f401400 RCX: 00007f60e65dddd3 [ 40.883485] RDX: 0000000000000000 RSI: 00007ffc9f4015b0 RDI: 000000000000000b executing program executing program executing program executing program [ 40.890756] RBP: 00007ffc9f4015b0 R08: 00007ffc9f401630 R09: 0000000000000001 [ 40.898030] R10: 0000000000000000 R11: 0000000000000346 R12: 00000000ffffffff [ 40.905306] R13: 00007ffc9f401990 R14: 0000000000000000 R15: 0000000000000000 [ 40.913670] Kernel Offset: disabled [ 40.917321] Rebooting in 86400 seconds..