random: sshd: uninitialized urandom read (32 bytes read, 110 bits of entropy available) random: sshd: uninitialized urandom read (32 bytes read, 119 bits of entropy available) random: sshd: uninitialized urandom read (32 bytes read, 125 bits of entropy available) ------------[ cut here ]------------ WARNING: CPU: 1 PID: 3631 at net/packet/af_packet.c:4122 packet_set_ring+0x1337/0x18d0 net/packet/af_packet.c:4122() Tx-ring is not supported. Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 3631 Comm: syzkaller802245 Not tainted 4.4.120-gd63fdf6 #28 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 0000000000000000 c85853fa54d9c1f4 ffff8800b110f938 ffffffff81d0408d ffffffff83843b40 ffff8800b110fa10 ffffffff83d20aa0 0000000000000009 000000000000101a ffff8800b110fa00 ffffffff8141ab2a 0000000041b58ab3 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x124 lib/dump_stack.c:51 [] panic+0x1aa/0x388 kernel/panic.c:112 [] warn_slowpath_common+0x125/0x140 kernel/panic.c:455 [] warn_slowpath_fmt+0xc1/0x110 kernel/panic.c:471 [] packet_set_ring+0x1337/0x18d0 net/packet/af_packet.c:4122 [] packet_setsockopt+0x568/0x2270 net/packet/af_packet.c:3589 [] SYSC_setsockopt net/socket.c:1767 [inline] [] SyS_setsockopt+0x160/0x250 net/socket.c:1746 [] entry_SYSCALL_64_fastpath+0x1c/0x98 Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..