------------[ cut here ]------------ WARNING: CPU: 0 PID: 15524 at net/core/dev.c:2473 skb_warn_bad_offload+0x2b0/0x390 net/core/dev.c:2473() lo: caps=(0x00000014401b7c69, 0x0000000000000000) len=2062 data_len=2000 gso_size=1992 gso_type=2 ip_summed=0 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 15524 Comm: syz-executor.1 Not tainted 4.4.174+ #4 0000000000000000 79c3d46d3aae5092 ffff8800b3576fd0 ffffffff81aad1a1 ffff8800b3577120 ffffffff82835ee0 ffffffff82a54880 00000000000009a9 ffffffff8222e030 ffff8800b35770b0 ffffffff813a48c2 0000000041b58ab3 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [] panic+0x1b9/0x37b kernel/panic.c:112 [] warn_slowpath_common kernel/panic.c:455 [inline] [] warn_slowpath_common.cold+0x20/0x20 kernel/panic.c:435 [] warn_slowpath_fmt+0xbf/0x100 kernel/panic.c:471 [] skb_warn_bad_offload+0x2b0/0x390 net/core/dev.c:2473 [] __skb_gso_segment+0x413/0x4c0 net/core/dev.c:2631 [] skb_gso_segment include/linux/netdevice.h:3712 [inline] [] validate_xmit_skb.isra.0.part.0+0x49f/0xa90 net/core/dev.c:2839 [] validate_xmit_skb net/core/dev.c:2968 [inline] [] __dev_queue_xmit+0x1612/0x1bb0 net/core/dev.c:3221 [] dev_queue_xmit+0x18/0x20 net/core/dev.c:3263 [] neigh_hh_output include/net/neighbour.h:486 [inline] [] dst_neigh_output include/net/dst.h:459 [inline] [] ip6_finish_output2+0xe4a/0x1dc0 net/ipv6/ip6_output.c:113 [] ip6_finish_output+0x2f3/0x750 net/ipv6/ip6_output.c:131 [] NF_HOOK_COND include/linux/netfilter.h:240 [inline] [] ip6_output+0x1b4/0x520 net/ipv6/ip6_output.c:145 [] dst_output include/net/dst.h:498 [inline] [] ip6_local_out+0x9c/0x180 net/ipv6/output_core.c:169 [] ip6_send_skb+0xa2/0x340 net/ipv6/ip6_output.c:1725 [] udp_v6_send_skb+0x85c/0xe90 net/ipv6/udp.c:1066 [] udp_v6_push_pending_frames+0x245/0x360 net/ipv6/udp.c:1098 [] udpv6_sendmsg+0x1a37/0x24f0 net/ipv6/udp.c:1358 [] inet_sendmsg+0x202/0x4d0 net/ipv4/af_inet.c:755 [] sock_sendmsg_nosec net/socket.c:638 [inline] [] sock_sendmsg+0xbe/0x110 net/socket.c:648 [] ___sys_sendmsg+0x769/0x890 net/socket.c:1975 [] __sys_sendmsg+0xc5/0x160 net/socket.c:2009 [] SYSC_sendmsg net/socket.c:2020 [inline] [] SyS_sendmsg+0x2d/0x50 net/socket.c:2016 [] entry_SYSCALL_64_fastpath+0x1e/0x9a Kernel Offset: disabled Rebooting in 86400 seconds..