[....] 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[ 16.259214] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 20.346306] random: sshd: uninitialized urandom read (32 bytes read) [ 20.623210] random: sshd: uninitialized urandom read (32 bytes read) [ 21.065938] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.63' (ECDSA) to the list of known hosts. [ 26.660260] urandom_read: 1 callbacks suppressed [ 26.660265] random: sshd: uninitialized urandom read (32 bytes read) executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 26.832787] Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000009 [ 26.832787] [ 26.842107] CPU: 0 PID: 1 Comm: init Not tainted 4.18.0-rc8-next-20180807+ #33 [ 26.849458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.858808] Call Trace: [ 26.861405] dump_stack+0x1c9/0x2b4 [ 26.865038] ? dump_stack_print_info.cold.2+0x52/0x52 [ 26.870232] ? forget_original_parent+0x14c5/0x1cc0 [ 26.875262] panic+0x238/0x4e7 [ 26.878460] ? add_taint.cold.5+0x16/0x16 [ 26.882619] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 26.888167] ? forget_original_parent.cold.21+0x5f/0xd5 [ 26.893540] forget_original_parent.cold.21+0x7b/0xd5 [ 26.898737] ? trace_hardirqs_on+0x10/0x10 [ 26.902976] ? debug_object_active_state+0x2f5/0x4d0 [ 26.908089] ? kill_orphaned_pgrp+0x5b0/0x5b0 [ 26.912592] ? perf_lock_task_context+0x830/0x830 [ 26.917439] ? lock_release+0xa30/0xa30 [ 26.921422] ? perf_event_exit_task+0xc04/0x1050 [ 26.926197] ? __ia32_sys_perf_event_open+0x140/0x140 [ 26.931413] ? dput.part.26+0x276/0x7a0 [ 26.935400] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 26.940943] ? shrink_dcache_sb+0x350/0x350 [ 26.945279] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 26.950829] ? refcount_add_not_zero_checked+0x330/0x330 [ 26.956285] ? fpu__drop+0x12f/0x750 [ 26.960009] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 26.965553] ? lock_acquire+0x1e4/0x540 [ 26.969537] ? do_exit+0x1b8a/0x2760 [ 26.973256] ? lock_release+0xa30/0xa30 [ 26.977239] ? cgroup_post_fork+0x320/0x320 [ 26.981562] ? task_work_run+0x22b/0x2a0 [ 26.985639] ? kasan_check_write+0x14/0x20 [ 26.989878] ? do_raw_write_lock+0xbd/0x1b0 [ 26.994205] do_exit+0x1b95/0x2760 [ 26.997754] ? lock_downgrade+0x8f0/0x8f0 [ 27.001911] ? mm_update_next_owner+0x9a0/0x9a0 [ 27.006580] ? do_raw_spin_unlock+0xa7/0x2f0 [ 27.010997] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 27.015579] ? kasan_check_write+0x14/0x20 [ 27.019807] ? do_raw_spin_lock+0xc1/0x200 [ 27.024028] ? trace_hardirqs_on+0xd/0x10 [ 27.028171] ? remove_wait_queue+0x1a6/0x360 [ 27.032564] ? add_wait_queue+0x2b0/0x2b0 [ 27.036701] ? kasan_check_write+0x14/0x20 [ 27.040940] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 27.046466] ? fput+0x130/0x1a0 [ 27.049741] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 27.054755] ? poll_freewait+0x1d6/0x260 [ 27.058813] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 27.064332] ? trace_hardirqs_on+0x10/0x10 [ 27.068549] ? do_select+0x1069/0x1b00 [ 27.072426] ? trace_hardirqs_on+0x10/0x10 [ 27.076659] ? select_estimate_accuracy+0x4b0/0x4b0 [ 27.081676] ? trace_hardirqs_on+0x10/0x10 [ 27.085903] ? trace_hardirqs_on+0x10/0x10 [ 27.090117] ? trace_hardirqs_on+0x10/0x10 [ 27.094338] ? memset+0x31/0x40 [ 27.097596] ? __dequeue_signal+0xf9/0x7d0 [ 27.101808] ? set_fd_set.part.4+0x70/0x70 [ 27.106020] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 27.111547] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 27.117066] ? recalc_sigpending_tsk+0x180/0x180 [ 27.121800] ? get_signal+0x918/0x1970 [ 27.125665] ? lock_downgrade+0x8f0/0x8f0 [ 27.129792] do_group_exit+0x177/0x440 [ 27.133660] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 27.138220] ? __ia32_sys_exit+0x50/0x50 [ 27.142259] ? kasan_check_write+0x14/0x20 [ 27.146472] ? do_raw_spin_lock+0xc1/0x200 [ 27.150687] get_signal+0x88e/0x1970 [ 27.154380] ? ptrace_notify+0x130/0x130 [ 27.158420] ? __might_fault+0x12b/0x1e0 [ 27.162458] ? lock_downgrade+0x8f0/0x8f0 [ 27.166588] ? lock_release+0xa30/0xa30 [ 27.170543] ? check_same_owner+0x340/0x340 [ 27.174856] ? ktime_get_ts64+0x3a5/0x530 [ 27.178990] do_signal+0x9c/0x21c0 [ 27.182510] ? kasan_check_read+0x11/0x20 [ 27.186639] ? _copy_to_user+0xc8/0x110 [ 27.190599] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 27.196120] ? poll_select_copy_remaining+0x433/0x6a0 [ 27.201286] ? setup_sigcontext+0x7d0/0x7d0 [ 27.205586] ? poll_freewait+0x260/0x260 [ 27.209625] ? __do_sys_fstat+0x100/0x100 [ 27.213754] ? poll_select_set_timeout+0x156/0x240 [ 27.218660] ? do_restart_poll+0x2e0/0x2e0 [ 27.222994] ? core_sys_select+0xb80/0xb80 [ 27.227288] exit_to_usermode_loop+0x2e5/0x380 [ 27.231860] ? syscall_slow_exit_work+0x500/0x500 [ 27.236684] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 27.242325] do_syscall_64+0x6be/0x820 [ 27.246247] ? syscall_return_slowpath+0x5e0/0x5e0 [ 27.251167] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 27.256686] ? debug_locks_off+0x51/0xc0 [ 27.260732] ? prepare_exit_to_usermode+0x291/0x3b0 [ 27.266007] ? perf_trace_sys_enter+0xb10/0xb10 [ 27.270659] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 27.275485] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 27.280657] RIP: 0033:0x7f8c94445dd3 [ 27.284442] Code: Bad RIP value. [ 27.287788] RSP: 002b:00007ffeea8cbe28 EFLAGS: 00000246 ORIG_RAX: 0000000000000017 [ 27.295828] RAX: fffffffffffffdfe RBX: 00007ffeea8cbfd0 RCX: 00007f8c94445dd3 [ 27.303083] RDX: 0000000000000000 RSI: 00007ffeea8cc180 RDI: 000000000000000b [ 27.310336] RBP: 00007ffeea8cc180 R08: 00007ffeea8cc200 R09: 0000000000000001 [ 27.317588] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 27.324844] R13: 00007ffeea8cc560 R14: 0000000000000000 R15: 0000000000000000 [ 27.332381] Dumping ftrace buffer: [ 27.335901] (ftrace buffer empty) [ 27.339588] Kernel Offset: disabled [ 27.343193] Rebooting in 86400 seconds..