[ 16.128534] random: sshd: uninitialized urandom read (32 bytes read, 32 bits of entropy available) [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 20.869019] random: sshd: uninitialized urandom read (32 bytes read, 37 bits of entropy available) [ 21.207361] random: sshd: uninitialized urandom read (32 bytes read, 37 bits of entropy available) [ 22.063203] random: sshd: uninitialized urandom read (32 bytes read, 109 bits of entropy available) [ 22.242443] random: sshd: uninitialized urandom read (32 bytes read, 115 bits of entropy available) Warning: Permanently added 'ci-android-44-kasan-gce-386-1,10.128.15.192' (ECDSA) to the list of known hosts. [ 27.634369] random: sshd: uninitialized urandom read (32 bytes read, 123 bits of entropy available) executing program executing program [ 27.743431] ------------[ cut here ]------------ [ 27.748230] WARNING: CPU: 1 PID: 1 at kernel/signal.c:334 task_participate_group_stop+0x21d/0x2d0() [ 27.757494] Kernel panic - not syncing: panic_on_warn set ... [ 27.757494] [ 27.764831] CPU: 1 PID: 1 Comm: init Not tainted 4.4.107-g610c835 #4 [ 27.771294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.780621] 0000000000000000 cf504c24c6db9aae ffff8801da20fa38 ffffffff81d0457d [ 27.790359] ffffffff838429a0 ffff8801da20fb10 ffffffff838485e0 0000000000000009 [ 27.798343] 000000000000014e ffff8801da20fb00 ffffffff8141774a 0000000041b58ab3 [ 27.806328] Call Trace: [ 27.808895] [] dump_stack+0xc1/0x124 [ 27.814232] [] panic+0x1aa/0x388 [ 27.819221] [] ? percpu_up_read.constprop.45+0xe1/0xe1 [ 27.826120] [] ? pm_qos_get_value.part.4+0xb/0xb [ 27.832500] [] ? warn_slowpath_common+0x10a/0x140 [ 27.838964] [] warn_slowpath_common+0x125/0x140 [ 27.845258] [] ? task_participate_group_stop+0x21d/0x2d0 [ 27.852331] [] warn_slowpath_null+0x29/0x30 [ 27.858277] [] task_participate_group_stop+0x21d/0x2d0 [ 27.865176] [] ? do_signal_stop+0x385/0x7a0 [ 27.871122] [] do_signal_stop+0x19b/0x7a0 [ 27.876894] [] get_signal+0x4c8/0x1660 [ 27.882407] [] do_signal+0x8b/0x1d40 [ 27.887743] [] ? __might_fault+0x18e/0x1d0 [ 27.893598] [] ? __might_fault+0xe4/0x1d0 [ 27.899369] [] ? setup_sigcontext+0x780/0x780 [ 27.905488] [] ? poll_schedule_timeout+0x1f0/0x1f0 [ 27.912044] [] ? kvm_clock_get_cycles+0x9/0x10 [ 27.918249] [] ? poll_select_set_timeout+0xa6/0x110 [ 27.924887] [] ? SyS_select+0x168/0x1d0 [ 27.930484] [] ? exit_to_usermode_loop+0xec/0x170 [ 27.936947] [] exit_to_usermode_loop+0x122/0x170 [ 27.943326] [] syscall_return_slowpath+0x1b5/0x1f0 [ 27.949881] [] int_ret_from_sys_call+0x25/0x9f [ 29.084317] Shutting down cpus with NMI [ 29.088736] Dumping ftrace buffer: [ 29.092331] (ftrace buffer empty) [ 29.096008] Kernel Offset: disabled [ 29.099633] Rebooting in 86400 seconds..