------------[ cut here ]------------
WARNING: CPU: 0 PID: 3767 at net/core/dev.c:2449 skb_warn_bad_offload+0x2af/0x390 net/core/dev.c:2444()
syz0: caps=(0x00000080000048c1, 0x0000000000000000) len=90 data_len=0 gso_size=574 gso_type=5 ip_summed=0
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 3767 Comm: syzkaller346748 Not tainted 4.4.116-g014c901 #17
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 0000000000000000 7ac7e11f3b3f0b94 ffff8800bbac73d8 ffffffff81d03f6d
 ffffffff83843a40 ffff8800bbac74b0 ffffffff83caac20 0000000000000009
 0000000000000991 ffff8800bbac74a0 ffffffff8141acaa 0000000041b58ab3
Call Trace:
 [<ffffffff81d03f6d>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d03f6d>] dump_stack+0xc1/0x124 lib/dump_stack.c:51
 [<ffffffff8141acaa>] panic+0x1aa/0x388 kernel/panic.c:112
 [<ffffffff8112d8e5>] warn_slowpath_common+0x125/0x140 kernel/panic.c:455
 [<ffffffff8112d9c1>] warn_slowpath_fmt+0xc1/0x110 kernel/panic.c:471
 [<ffffffff82e4513f>] skb_warn_bad_offload+0x2af/0x390 net/core/dev.c:2444
 [<ffffffff82e55be3>] __skb_gso_segment+0x3b3/0x4a0 net/core/dev.c:2602
 [<ffffffff82e567be>] skb_gso_segment include/linux/netdevice.h:3705 [inline]
 [<ffffffff82e567be>] validate_xmit_skb.isra.101.part.102+0x44e/0x970 net/core/dev.c:2810
 [<ffffffff82e56d8e>] validate_xmit_skb net/core/dev.c:2856 [inline]
 [<ffffffff82e56d8e>] validate_xmit_skb_list+0xae/0x110 net/core/dev.c:2858
 [<ffffffff82edf64f>] sch_direct_xmit+0x34f/0x760 net/sched/sch_generic.c:160
 [<ffffffff82e597ae>] __dev_xmit_skb net/core/dev.c:2950 [inline]
 [<ffffffff82e597ae>] __dev_queue_xmit+0x148e/0x1cc0 net/core/dev.c:3168
 [<ffffffff82e59ff7>] dev_queue_xmit+0x17/0x20 net/core/dev.c:3234
 [<ffffffff83433722>] packet_snd net/packet/af_packet.c:2828 [inline]
 [<ffffffff83433722>] packet_sendmsg+0x29b2/0x47e0 net/packet/af_packet.c:2853
 [<ffffffff82debb4a>] sock_sendmsg_nosec net/socket.c:625 [inline]
 [<ffffffff82debb4a>] sock_sendmsg+0xca/0x110 net/socket.c:635
 [<ffffffff82deca98>] SYSC_sendto+0x2c8/0x340 net/socket.c:1665
 [<ffffffff82deef90>] SyS_sendto+0x40/0x50 net/socket.c:1633
 [<ffffffff81006d74>] do_syscall_32_irqs_on arch/x86/entry/common.c:390 [inline]
 [<ffffffff81006d74>] do_fast_syscall_32+0x314/0x890 arch/x86/entry/common.c:457
 [<ffffffff837763aa>] sysenter_flags_fixed+0xd/0x17
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..