random: sshd: uninitialized urandom read (32 bytes read, 112 bits of entropy available) ------------[ cut here ]------------ WARNING: CPU: 1 PID: 3322 at net/packet/af_packet.c:4129 packet_set_ring+0x1212/0x17c0 /syzkaller/managers/android-44-kasan-gce/kernel/net/packet/af_packet.c:4129() Tx-ring is not supported. Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 3322 Comm: syzkaller226452 Not tainted 4.4.104-ged884eb #2 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 0000000000000000 615d5757f9690477 ffff8801d72cf958 ffffffff81cc9b0f ffffffff83842ac0 ffff8801d72cfa30 ffff8801d72cfa20 ffffffff813fc616 0000000041b58ab3 ffffffff83fa5588 ffffffff813fc48f 0000000000000019 Call Trace: [] __dump_stack /syzkaller/managers/android-44-kasan-gce/kernel/lib/dump_stack.c:15 [inline] [] dump_stack+0x8e/0xcf /syzkaller/managers/android-44-kasan-gce/kernel/lib/dump_stack.c:51 [] panic+0x187/0x2f1 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/panic.c:112 [] warn_slowpath_common+0x108/0x120 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/panic.c:455 [] warn_slowpath_fmt+0xa7/0xf0 /syzkaller/managers/android-44-kasan-gce/kernel/kernel/panic.c:471 [] packet_set_ring+0x1212/0x17c0 /syzkaller/managers/android-44-kasan-gce/kernel/net/packet/af_packet.c:4129 [] packet_setsockopt+0x552/0x2600 /syzkaller/managers/android-44-kasan-gce/kernel/net/packet/af_packet.c:3590 [] SYSC_setsockopt /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:1766 [inline] [] SyS_setsockopt+0x142/0x250 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:1745 [] entry_SYSCALL_64_fastpath+0x16/0x76 Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..