------------[ cut here ]------------
WARNING: CPU: 0 PID: 6051 at net/core/dev.c:2473 skb_warn_bad_offload+0x2af/0x380 net/core/dev.c:2468
lo: caps=(0x000000a2803b7c69, 0x0000000000000000) len=6158 data_len=6096 gso_size=1992 gso_type=2 ip_summed=0
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 6051 Comm: syz-executor3 Not tainted 4.9.92-g7cd9561 #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801cee4f010 ffffffff81d9c489 ffffffff83a48420 00000000ffffffff
 0000000000000000 0000000000000000 00000000000009a9 ffff8801cee4f0d0
 ffffffff8141fa55 0000000041b58ab3 ffffffff8419bd28 ffffffff8141f896
Call Trace:
 [<ffffffff81d9c489>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d9c489>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff8141fa55>] panic+0x1bf/0x3bc kernel/panic.c:179
 [<ffffffff8141fd41>] __warn.cold.9+0xc1/0x17f kernel/panic.c:542
 [<ffffffff81134312>] warn_slowpath_fmt+0xc2/0x100 kernel/panic.c:565
 [<ffffffff82f49b3f>] skb_warn_bad_offload+0x2af/0x380 net/core/dev.c:2468
 [<ffffffff82f64ec6>] __skb_gso_segment+0x546/0x680 net/core/dev.c:2774
 [<ffffffff82f65dae>] skb_gso_segment include/linux/netdevice.h:4000 [inline]
 [<ffffffff82f65dae>] validate_xmit_skb+0x48e/0xab0 net/core/dev.c:3010
 [<ffffffff82f678e8>] __dev_queue_xmit+0x888/0x2080 net/core/dev.c:3443
 [<ffffffff82f690f7>] dev_queue_xmit+0x17/0x20 net/core/dev.c:3484
 [<ffffffff83434173>] neigh_hh_output include/net/neighbour.h:468 [inline]
 [<ffffffff83434173>] dst_neigh_output include/net/dst.h:468 [inline]
 [<ffffffff83434173>] ip6_finish_output2+0x10e3/0x1d00 net/ipv6/ip6_output.c:119
 [<ffffffff8343d038>] ip6_finish_output+0x3b8/0x760 net/ipv6/ip6_output.c:145
 [<ffffffff8343d5d3>] NF_HOOK_COND include/linux/netfilter.h:246 [inline]
 [<ffffffff8343d5d3>] ip6_output+0x1f3/0x6e0 net/ipv6/ip6_output.c:162
 [<ffffffff835574db>] dst_output include/net/dst.h:507 [inline]
 [<ffffffff835574db>] ip6_local_out+0x9b/0x180 net/ipv6/output_core.c:176
 [<ffffffff8343f791>] ip6_send_skb+0xa1/0x340 net/ipv6/ip6_output.c:1741
 [<ffffffff8349f42a>] udp_v6_send_skb+0x5ba/0xe70 net/ipv6/udp.c:974
 [<ffffffff8349ff0d>] udp_v6_push_pending_frames+0x22d/0x340 net/ipv6/udp.c:1007
 [<ffffffff834a4d61>] udpv6_sendmsg+0x1dc1/0x2430 net/ipv6/udp.c:1273
 [<ffffffff83305e83>] inet_sendmsg+0x203/0x4d0 net/ipv4/af_inet.c:770
 [<ffffffff82ef3fcc>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ef3fcc>] sock_sendmsg+0xcc/0x110 net/socket.c:645
 [<ffffffff82ef4cbc>] SYSC_sendto+0x21c/0x370 net/socket.c:1670
 [<ffffffff82ef72d0>] SyS_sendto+0x40/0x50 net/socket.c:1638
 [<ffffffff81006316>] do_syscall_64+0x1a6/0x490 arch/x86/entry/common.c:282
 [<ffffffff838d58d3>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..