random: sshd: uninitialized urandom read (32 bytes read, 98 bits of entropy available) ------------[ cut here ]------------ WARNING: CPU: 1 PID: 3321 at net/core/dev.c:2449 skb_warn_bad_offload+0x2af/0x390 net/core/dev.c:2444() lo: caps=(0x00000014401b7c69, 0x0000000000000000) len=2105 data_len=2043 gso_size=1992 gso_type=2 ip_summed=0 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 3321 Comm: syzkaller245619 Not tainted 4.4.107-g610c835 #4 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 0000000000000000 8cd0edcd61110b3a ffff8800b0256e88 ffffffff81d0457d ffffffff838429a0 ffff8800b0256f60 ffffffff83ca99a0 0000000000000009 0000000000000991 ffff8800b0256f50 ffffffff8141774a 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 [] skb_warn_bad_offload+0x2af/0x390 net/core/dev.c:2444 [] __skb_gso_segment+0x3b3/0x4a0 net/core/dev.c:2602 [] skb_gso_segment include/linux/netdevice.h:3705 [inline] [] validate_xmit_skb.isra.100.part.101+0x44e/0x970 net/core/dev.c:2810 [] validate_xmit_skb include/trace/events/net.h:119 [inline] [] __dev_queue_xmit+0x13cf/0x1a70 net/core/dev.c:3181 [] dev_queue_xmit+0x17/0x20 net/core/dev.c:3223 [] neigh_resolve_output+0x469/0x770 net/core/neighbour.c:1312 [] dst_neigh_output include/net/dst.h:461 [inline] [] ip6_finish_output2+0x990/0x1c60 net/ipv6/ip6_output.c:113 [] ip6_finish_output+0x2e6/0x750 net/ipv6/ip6_output.c:131 [] NF_HOOK_COND include/linux/netfilter.h:240 [inline] [] ip6_output+0x1ab/0x520 net/ipv6/ip6_output.c:145 [] dst_output include/net/dst.h:498 [inline] [] ip6_local_out+0x95/0x170 net/ipv6/output_core.c:169 [] ip6_send_skb+0xa1/0x340 net/ipv6/ip6_output.c:1707 [] udp_v6_send_skb+0x301/0xeb0 net/ipv6/udp.c:1066 [] udp_v6_push_pending_frames+0x22f/0x340 net/ipv6/udp.c:1098 [] udpv6_sendmsg+0x1f12/0x2500 net/ipv6/udp.c:1358 [] inet_sendmsg+0x2bc/0x4c0 net/ipv4/af_inet.c:755 [] sock_sendmsg_nosec net/socket.c:625 [inline] [] sock_sendmsg+0xca/0x110 net/socket.c:635 [] ___sys_sendmsg+0x6c1/0x7c0 net/socket.c:1962 [] __sys_sendmsg+0xd3/0x190 net/socket.c:1996 [] C_SYSC_sendmsg net/compat.c:720 [inline] [] compat_SyS_sendmsg+0x2a/0x40 net/compat.c:718 [] do_syscall_32_irqs_on arch/x86/entry/common.c:390 [inline] [] do_fast_syscall_32+0x314/0x890 arch/x86/entry/common.c:457 [] sysenter_flags_fixed+0xd/0x17 Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..