------------[ cut here ]------------
WARNING: CPU: 0 PID: 11239 at net/core/dev.c:2473 skb_warn_bad_offload+0x2b0/0x390 net/core/dev.c:2473()
lo: caps=(0x00000014401b7c69, 0x0000000000000000) len=1048 data_len=0 gso_size=352 gso_type=6 ip_summed=0
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 11239 Comm: syz-executor.2 Not tainted 4.4.174+ #17
 0000000000000000 0956ef0f2819abac ffff8800b7d2f478 ffffffff81aad1a1
 ffff8800b7d2f5c8 ffffffff82835ee0 ffffffff82a54880 00000000000009a9
 ffffffff8222e030 ffff8800b7d2f558 ffffffff813a48c2 0000000041b58ab3
Call Trace:
 [<ffffffff81aad1a1>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81aad1a1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<ffffffff813a48c2>] panic+0x1b9/0x37b kernel/panic.c:112
 [<ffffffff813a4ab9>] warn_slowpath_common kernel/panic.c:455 [inline]
 [<ffffffff813a4ab9>] warn_slowpath_common.cold+0x20/0x20 kernel/panic.c:435
 [<ffffffff810d394f>] warn_slowpath_fmt+0xbf/0x100 kernel/panic.c:471
 [<ffffffff8222e030>] skb_warn_bad_offload+0x2b0/0x390 net/core/dev.c:2473
 [<ffffffff822434f3>] __skb_gso_segment+0x413/0x4c0 net/core/dev.c:2631
 [<ffffffff822441af>] skb_gso_segment include/linux/netdevice.h:3712 [inline]
 [<ffffffff822441af>] validate_xmit_skb.isra.0.part.0+0x49f/0xa90 net/core/dev.c:2839
 [<ffffffff82247392>] validate_xmit_skb net/core/dev.c:2968 [inline]
 [<ffffffff82247392>] __dev_queue_xmit+0x1612/0x1bb0 net/core/dev.c:3221
 [<ffffffff82247948>] dev_queue_xmit+0x18/0x20 net/core/dev.c:3263
 [<ffffffff826d96f5>] packet_snd net/packet/af_packet.c:2843 [inline]
 [<ffffffff826d96f5>] packet_sendmsg+0x2605/0x4820 net/packet/af_packet.c:2868
 [<ffffffff821d838e>] sock_sendmsg_nosec net/socket.c:638 [inline]
 [<ffffffff821d838e>] sock_sendmsg+0xbe/0x110 net/socket.c:648
 [<ffffffff821d8615>] sock_write_iter+0x235/0x3d0 net/socket.c:847
 [<ffffffff81496ae8>] new_sync_write fs/read_write.c:480 [inline]
 [<ffffffff81496ae8>] __vfs_write+0x2e8/0x3d0 fs/read_write.c:493
 [<ffffffff81498612>] vfs_write+0x182/0x4e0 fs/read_write.c:540
 [<ffffffff8149ac4c>] SYSC_write fs/read_write.c:587 [inline]
 [<ffffffff8149ac4c>] SyS_write+0xdc/0x1c0 fs/read_write.c:579
 [<ffffffff8100603d>] do_syscall_32_irqs_on arch/x86/entry/common.c:330 [inline]
 [<ffffffff8100603d>] do_fast_syscall_32+0x32d/0xa90 arch/x86/entry/common.c:397
 [<ffffffff8271a350>] sysenter_flags_fixed+0xd/0x1a
Kernel Offset: disabled
Rebooting in 86400 seconds..