------------[ cut here ]------------
kernel BUG at include/linux/skbuff.h:2080!
invalid opcode: 0000 [#1] SMP KASAN
CPU: 1 PID: 19998 Comm: syz-executor4 Not tainted 4.18.0-rc3+ #54
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__skb_pull include/linux/skbuff.h:2080 [inline]
RIP: 0010:skb_mac_gso_segment+0x64e/0x740 net/core/dev.c:2869
Code: 00 48 c7 c7 a0 87 6d 88 c6 05 14 84 a1 03 01 e8 73 09 67 fb e9 3f fc ff ff 48 c7 c3 ea ff ff ff e9 d7 fe ff ff e8 22 d2 83 fb <0f> 0b 48 89 df e8 e8 aa c1 fb e9 f5 fc ff ff 48 8b bd c8 fe ff ff 
RSP: 0018:ffff8801c95c6860 EFLAGS: 00010212
RAX: 0000000000040000 RBX: 000000000000ffdc RCX: ffffc90005025000
RDX: 00000000000017ce RSI: ffffffff85f839ae RDI: 0000000000000004
RBP: ffff8801c95c69a0 R08: ffff8801cf3f4080 R09: ffffed003a67b9cd
R10: ffffed003a67b9d0 R11: ffff8801d33dce83 R12: 0000000000000166
R13: 0000000000010142 R14: 0000000000004788 R15: 0000000000004788
FS:  00007fb90c9e7700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32c21000 CR3: 00000001b5a89000 CR4: 00000000001406e0
DR0: 0000000020000000 DR1: 0000000020000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 nsh_gso_segment+0x470/0xb40 net/nsh/nsh.c:111
 skb_mac_gso_segment+0x3b5/0x740 net/core/dev.c:2874
 __skb_gso_segment+0x3c3/0x880 net/core/dev.c:2947
 skb_gso_segment include/linux/netdevice.h:4198 [inline]
 validate_xmit_skb+0x640/0xf30 net/core/dev.c:3186
 validate_xmit_skb_list+0xbf/0x120 net/core/dev.c:3236
 sch_direct_xmit+0x30e/0x1140 net/sched/sch_generic.c:312
 qdisc_restart net/sched/sch_generic.c:390 [inline]
 __qdisc_run+0x619/0x19f0 net/sched/sch_generic.c:398
 qdisc_run include/net/pkt_sched.h:120 [inline]
 __dev_xmit_skb net/core/dev.c:3311 [inline]
 __dev_queue_xmit+0x1419/0x3790 net/core/dev.c:3650
 dev_queue_xmit+0x17/0x20 net/core/dev.c:3715
 packet_snd net/packet/af_packet.c:2925 [inline]
 packet_sendmsg+0x43e6/0x62e0 net/packet/af_packet.c:2950
 sock_sendmsg_nosec net/socket.c:641 [inline]
 sock_sendmsg+0xd5/0x120 net/socket.c:651
 ___sys_sendmsg+0x7fd/0x930 net/socket.c:2125
 __sys_sendmsg+0x11d/0x290 net/socket.c:2163
 __do_sys_sendmsg net/socket.c:2172 [inline]
 __se_sys_sendmsg net/socket.c:2170 [inline]
 __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2170
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x455ab9
Code: 1d ba fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 
RSP: 002b:00007fb90c9e6c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fb90c9e76d4 RCX: 0000000000455ab9
RDX: 0000000000000000 RSI: 0000000020000480 RDI: 0000000000000013
RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000004c1066 R14: 00000000004d16c8 R15: 0000000000000000
Modules linked in:
Dumping ftrace buffer:
   (ftrace buffer empty)
---[ end trace fde3e3cc46b0abc7 ]---
RIP: 0010:__skb_pull include/linux/skbuff.h:2080 [inline]
RIP: 0010:skb_mac_gso_segment+0x64e/0x740 net/core/dev.c:2869
Code: 00 48 c7 c7 a0 87 6d 88 c6 05 14 84 a1 03 01 e8 73 09 67 fb e9 3f fc ff ff 48 c7 c3 ea ff ff ff e9 d7 fe ff ff e8 22 d2 83 fb <0f> 0b 48 89 df e8 e8 aa c1 fb e9 f5 fc ff ff 48 8b bd c8 fe ff ff 
RSP: 0018:ffff8801c95c6860 EFLAGS: 00010212
RAX: 0000000000040000 RBX: 000000000000ffdc RCX: ffffc90005025000
RDX: 00000000000017ce RSI: ffffffff85f839ae RDI: 0000000000000004
RBP: ffff8801c95c69a0 R08: ffff8801cf3f4080 R09: ffffed003a67b9cd
R10: ffffed003a67b9d0 R11: ffff8801d33dce83 R12: 0000000000000166
R13: 0000000000010142 R14: 0000000000004788 R15: 0000000000004788
FS:  00007fb90c9e7700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32c21000 CR3: 00000001b5a89000 CR4: 00000000001406e0
DR0: 0000000020000000 DR1: 0000000020000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600