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. [ 31.939523] audit: type=1800 audit(1540232909.711:33): pid=5347 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 [ 31.962043] audit: type=1800 audit(1540232909.711:34): pid=5347 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: [ 35.054196] audit: type=1400 audit(1540232912.821:35): avc: denied { map } for pid=5523 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 Warning: Permanently added '10.128.0.16' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program [ 42.020732] audit: type=1400 audit(1540232919.791:36): avc: denied { map } for pid=5537 comm="syz-executor552" path="/root/syz-executor552545715" dev="sda1" ino=16484 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 [ 42.073550] Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000005 [ 42.073550] [ 42.082870] CPU: 0 PID: 1 Comm: init Not tainted 4.19.0+ #76 [ 42.088690] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.098052] Call Trace: [ 42.100636] dump_stack+0x1c4/0x2b6 [ 42.104271] ? dump_stack_print_info.cold.1+0x20/0x20 [ 42.109454] ? _raw_write_unlock_irq+0x27/0x80 [ 42.114029] panic+0x238/0x4e7 [ 42.117220] ? add_taint.cold.5+0x16/0x16 [ 42.121384] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 42.126925] ? forget_original_parent.cold.18+0x5f/0xd5 [ 42.132284] forget_original_parent.cold.18+0x7b/0xd5 [ 42.137480] ? mark_held_locks+0x130/0x130 [ 42.141726] ? kill_orphaned_pgrp+0x5b0/0x5b0 [ 42.146230] ? perf_lock_task_context+0x830/0x830 [ 42.151068] ? perf_event_exit_task+0xc28/0x1070 [ 42.155838] ? graph_lock+0x170/0x170 [ 42.159669] ? check_preemption_disabled+0x48/0x280 [ 42.164692] ? check_preemption_disabled+0x48/0x280 [ 42.169714] ? __ia32_sys_perf_event_open+0x140/0x140 [ 42.174897] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 42.180448] ? refcount_add_not_zero_checked+0x330/0x330 [ 42.185910] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 42.191444] ? lock_acquire+0x1ed/0x520 [ 42.195407] ? do_exit+0x1b40/0x26d0 [ 42.199126] ? lock_release+0x970/0x970 [ 42.203109] ? trace_hardirqs_off+0xb8/0x310 [ 42.207520] ? task_work_run+0x226/0x2a0 [ 42.211587] ? do_exit+0x1b40/0x26d0 [ 42.215317] ? trace_hardirqs_on+0x310/0x310 [ 42.219721] ? kasan_check_write+0x14/0x20 [ 42.223962] ? do_raw_write_lock+0xbd/0x1e0 [ 42.228282] do_exit+0x1b4b/0x26d0 [ 42.231828] ? __put_cred+0x28c/0x360 [ 42.235621] ? mm_update_next_owner+0x990/0x990 [ 42.240292] ? prepare_creds+0x4d0/0x4d0 [ 42.244360] ? kasan_check_write+0x14/0x20 [ 42.248593] ? do_raw_spin_lock+0xc1/0x230 [ 42.252821] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 42.258363] ? do_coredump+0x477/0x4001 [ 42.262368] ? kasan_check_write+0x14/0x20 [ 42.266607] ? do_raw_spin_lock+0xc1/0x230 [ 42.270844] ? _raw_read_unlock_irqrestore+0x70/0xd0 [ 42.275951] ? dump_align+0xa0/0xa0 [ 42.279578] ? save_stack+0xa9/0xd0 [ 42.283231] ? save_stack+0x43/0xd0 [ 42.286871] ? __kasan_slab_free+0x102/0x150 [ 42.291268] ? kasan_slab_free+0xe/0x10 [ 42.295233] ? kmem_cache_free+0x83/0x290 [ 42.299383] ? __sigqueue_free.part.27+0x7d/0xa0 [ 42.304125] ? __dequeue_signal+0x530/0x7d0 [ 42.308429] ? dequeue_signal+0xbd/0x630 [ 42.312503] ? get_signal+0x3ec/0x1980 [ 42.316403] ? do_signal+0x9c/0x21e0 [ 42.320106] ? exit_to_usermode_loop+0x2e5/0x380 [ 42.324858] ? prepare_exit_to_usermode+0x342/0x3b0 [ 42.329880] ? trace_hardirqs_off+0xb8/0x310 [ 42.334286] ? kasan_check_read+0x11/0x20 [ 42.338446] ? do_raw_spin_unlock+0xa7/0x330 [ 42.342856] ? trace_hardirqs_on+0x310/0x310 [ 42.347260] ? kasan_check_write+0x14/0x20 [ 42.351511] ? graph_lock+0x170/0x170 [ 42.355327] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 42.360870] ? __lock_is_held+0xb5/0x140 [ 42.364924] ? __sigqueue_free.part.27+0x7d/0xa0 [ 42.369689] ? graph_lock+0x170/0x170 [ 42.373477] ? __sigqueue_free.part.27+0x7d/0xa0 [ 42.378232] ? rcu_read_lock_sched_held+0x108/0x120 [ 42.383262] ? kmem_cache_free+0x24f/0x290 [ 42.387490] ? __sigqueue_free.part.27+0x7d/0xa0 [ 42.392251] ? find_held_lock+0x36/0x1c0 [ 42.396348] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 42.401886] ? proc_coredump_connector+0x4f8/0x630 [ 42.406820] ? proc_comm_connector+0x520/0x520 [ 42.411392] do_group_exit+0x177/0x440 [ 42.415266] ? __ia32_sys_exit+0x50/0x50 [ 42.419321] get_signal+0x8b0/0x1980 [ 42.423047] ? ptrace_notify+0x130/0x130 [ 42.427109] ? prepare_signal+0xcf0/0xcf0 [ 42.431255] ? lockdep_hardirqs_on+0x421/0x5c0 [ 42.435852] ? blkcg_maybe_throttle_current+0xa38/0x1080 [ 42.441307] ? trace_hardirqs_on+0xbd/0x310 [ 42.445634] ? force_sig_info+0x281/0x310 [ 42.449794] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 42.455240] ? find_held_lock+0x36/0x1c0 [ 42.459309] do_signal+0x9c/0x21e0 [ 42.462852] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 42.467960] ? lockdep_hardirqs_on+0x421/0x5c0 [ 42.472534] ? trace_hardirqs_on+0xbd/0x310 [ 42.476856] ? kasan_check_read+0x11/0x20 [ 42.481016] ? force_sig_info+0x281/0x310 [ 42.485158] ? setup_sigcontext+0x7d0/0x7d0 [ 42.489482] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 42.494588] ? exit_to_usermode_loop+0x8c/0x380 [ 42.499274] ? do_debug+0x40b/0x6a0 [ 42.502900] exit_to_usermode_loop+0x2e5/0x380 [ 42.507472] ? syscall_slow_exit_work+0x520/0x520 [ 42.512321] ? trace_hardirqs_off_caller+0xbb/0x310 [ 42.517341] prepare_exit_to_usermode+0x342/0x3b0 [ 42.522217] ? trace_event_raw_event_sys_enter+0x700/0x700 [ 42.527847] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 42.532694] ? debug+0x44/0x60 [ 42.535888] retint_user+0x8/0x18 [ 42.539329] RIP: 0033:0x7f79df16edd9 [ 42.543040] Code: Bad RIP value. [ 42.546408] RSP: 002b:00007ffd93c3a4a8 EFLAGS: 00000317 [ 42.551773] RAX: 0000000000000000 RBX: 00007ffd93c3a650 RCX: 00007f79df16edd3 [ 42.559030] RDX: 0000000000000000 RSI: 00007ffd93c3a800 RDI: 000000000000000b [ 42.566291] RBP: 00007ffd93c3a800 R08: 00007ffd93c3a880 R09: 0000000000000001 [ 42.573578] R10: 0000000000000000 R11: 0000000000000346 R12: 00000000ffffffff [ 42.580851] R13: 00007ffd93c3abe0 R14: 0000000000000000 R15: 0000000000000000 [ 42.589141] Kernel Offset: disabled [ 42.592818] Rebooting in 86400 seconds..