[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 16.805493] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 18.791264] random: sshd: uninitialized urandom read (32 bytes read) [ 19.141122] random: sshd: uninitialized urandom read (32 bytes read) [ 19.878597] random: sshd: uninitialized urandom read (32 bytes read) [ 20.060770] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.40' (ECDSA) to the list of known hosts. [ 25.576462] 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 executing program executing program executing program executing program executing program executing program executing program executing program [ 25.659792] nf_conntrack: default automatic helper assignment has been turned off for security reasons and CT-based firewall rule not found. Use the iptables CT target to attach helpers instead. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 25.846367] Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000005 [ 25.846367] [ 25.856009] CPU: 0 PID: 1 Comm: init Not tainted 4.18.0-rc5-next-20180717+ #9 [ 25.863269] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.872601] Call Trace: [ 25.875172] dump_stack+0x1c9/0x2b4 [ 25.878780] ? dump_stack_print_info.cold.2+0x52/0x52 [ 25.883948] ? forget_original_parent+0x14c5/0x1cc0 [ 25.888945] panic+0x238/0x4e7 [ 25.892121] ? add_taint.cold.5+0x16/0x16 [ 25.896252] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 25.901785] ? forget_original_parent.cold.21+0x5f/0xd5 [ 25.907252] forget_original_parent.cold.21+0x7b/0xd5 [ 25.912439] ? trace_hardirqs_on+0x10/0x10 [ 25.916657] ? kill_orphaned_pgrp+0x5b0/0x5b0 [ 25.921144] ? perf_lock_task_context+0x830/0x830 [ 25.925981] ? lock_release+0xa30/0xa30 [ 25.929958] ? perf_event_exit_task+0xc04/0x1050 [ 25.935128] ? do_raw_spin_unlock+0xa7/0x2f0 [ 25.939522] ? __ia32_sys_perf_event_open+0x140/0x140 [ 25.944694] ? dput.part.26+0x276/0x7a0 [ 25.948650] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 25.954177] ? shrink_dcache_sb+0x350/0x350 [ 25.958486] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 25.964007] ? refcount_add_not_zero_checked+0x330/0x330 [ 25.969457] ? fpu__drop+0x12f/0x750 [ 25.973173] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 25.978696] ? task_css_set+0xf4/0x230 [ 25.982591] ? lock_acquire+0x1e4/0x540 [ 25.986553] ? do_exit+0x1b6d/0x2750 [ 25.990249] ? lock_release+0xa30/0xa30 [ 25.994209] ? cgroup_post_fork+0x320/0x320 [ 25.998520] ? task_work_run+0x22f/0x2a0 [ 26.002566] ? kasan_check_write+0x14/0x20 [ 26.006781] ? do_raw_write_lock+0xbd/0x1b0 [ 26.011084] do_exit+0x1b78/0x2750 [ 26.014607] ? mm_update_next_owner+0x9a0/0x9a0 [ 26.019255] ? profiling_store+0xd0/0xd0 [ 26.023307] ? kasan_check_write+0x14/0x20 [ 26.027521] ? do_raw_spin_lock+0xc1/0x200 [ 26.031737] ? do_coredump+0x477/0x3fff [ 26.035703] ? kasan_check_write+0x14/0x20 [ 26.039930] ? do_raw_spin_lock+0xc1/0x200 [ 26.044149] ? _raw_read_unlock_irqrestore+0x40/0xc0 [ 26.049247] ? dump_align+0xa0/0xa0 [ 26.052868] ? save_stack+0xa9/0xd0 [ 26.056476] ? save_stack+0x43/0xd0 [ 26.060087] ? __kasan_slab_free+0x11a/0x170 [ 26.064494] ? kasan_slab_free+0xe/0x10 [ 26.068451] ? kmem_cache_free+0x86/0x2d0 [ 26.072582] ? __sigqueue_free.part.29+0x7d/0xa0 [ 26.077599] ? __dequeue_signal+0x530/0x7d0 [ 26.081900] ? dequeue_signal+0xbc/0x620 [ 26.085947] ? get_signal+0x3f1/0x1970 [ 26.089815] ? do_signal+0x9c/0x21c0 [ 26.093511] ? exit_to_usermode_loop+0x2e5/0x380 [ 26.098252] ? prepare_exit_to_usermode+0x342/0x3b0 [ 26.103264] ? kasan_check_read+0x11/0x20 [ 26.107406] ? do_raw_spin_unlock+0xa7/0x2f0 [ 26.111797] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 26.116365] ? kasan_check_write+0x14/0x20 [ 26.120590] ? do_raw_spin_lock+0xc1/0x200 [ 26.124809] ? trace_hardirqs_off+0xd/0x10 [ 26.129033] ? _raw_spin_unlock_irqrestore+0x63/0xc0 [ 26.134124] ? trace_hardirqs_off+0xd/0x10 [ 26.138340] ? quarantine_put+0x10d/0x1b0 [ 26.142472] ? __kasan_slab_free+0x131/0x170 [ 26.146868] ? trace_hardirqs_off+0xd/0x10 [ 26.151103] ? kmem_cache_free+0x22e/0x2d0 [ 26.155326] ? __sigqueue_free.part.29+0x7d/0xa0 [ 26.160089] ? __dequeue_signal+0xf9/0x7d0 [ 26.164315] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 26.169857] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 26.175383] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 26.180902] ? proc_coredump_connector+0x4d0/0x610 [ 26.185904] ? lock_downgrade+0x8f0/0x8f0 [ 26.190037] ? proc_comm_connector+0x500/0x500 [ 26.194602] do_group_exit+0x177/0x440 [ 26.198469] ? __ia32_sys_exit+0x50/0x50 [ 26.202538] ? kasan_check_write+0x14/0x20 [ 26.206768] ? do_raw_spin_lock+0xc1/0x200 [ 26.210986] get_signal+0x88e/0x1970 [ 26.214696] ? ptrace_notify+0x130/0x130 [ 26.218736] ? prepare_signal+0xce0/0xce0 [ 26.222872] ? do_raw_spin_unlock+0xa7/0x2f0 [ 26.227275] ? blkcg_maybe_throttle_current+0xa1b/0x1040 [ 26.232716] ? zap_other_threads+0x270/0x270 [ 26.237107] ? ptrace_notify+0xfa/0x130 [ 26.241072] ? blkcg_print_stat+0x12c0/0x12c0 [ 26.245548] ? do_signal+0x9c/0x21c0 [ 26.249256] do_signal+0x9c/0x21c0 [ 26.252786] ? kasan_check_read+0x11/0x20 [ 26.256918] ? do_raw_spin_unlock+0xa7/0x2f0 [ 26.261322] ? setup_sigcontext+0x7d0/0x7d0 [ 26.265630] ? trace_hardirqs_on+0xd/0x10 [ 26.269761] ? force_sig_info+0x281/0x310 [ 26.273895] exit_to_usermode_loop+0x2e5/0x380 [ 26.278461] ? syscall_slow_exit_work+0x500/0x500 [ 26.283284] ? syscall_return_slowpath+0x5e0/0x5e0 [ 26.288198] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 26.293728] prepare_exit_to_usermode+0x342/0x3b0 [ 26.298563] ? perf_trace_sys_enter+0xb10/0xb10 [ 26.303223] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 26.308057] ? debug+0x44/0x60 [ 26.311665] retint_user+0x8/0x18 [ 26.315097] RIP: 0033:0x7f35e7caedd9 [ 26.318785] Code: Bad RIP value. [ 26.322152] RSP: 002b:00007ffccd3cf3f8 EFLAGS: 00000302 [ 26.327498] RAX: ffffffffffffffda RBX: 00007ffccd3cf5a0 RCX: 00007f35e7caedd3 [ 26.334746] RDX: 0000000000000000 RSI: 00007ffccd3cf750 RDI: 000000000000000b [ 26.341994] RBP: 00007ffccd3cf750 R08: 00007ffccd3cf7d0 R09: 0000000000000001 [ 26.349258] R10: 0000000000000000 R11: 0000000000000346 R12: 00000000ffffffff [ 26.356538] R13: 00007ffccd3cfb30 R14: 0000000000000000 R15: 0000000000000000 [ 26.364302] Dumping ftrace buffer: [ 26.367822] (ftrace buffer empty) [ 26.371511] Kernel Offset: disabled [ 26.375118] Rebooting in 86400 seconds..