------------[ cut here ]------------
kernel BUG at net/core/dev.c:2917!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 10273 Comm: syz-executor.5 Not tainted 4.19.163-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:skb_checksum_help+0x851/0x9c0 net/core/dev.c:2917
Code: 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 84 eb fb ff ff 48 8b 7c 24 20 e8 69 be 08 fb e9 dc fb ff ff e8 9f 95 d2 fa <0f> 0b 4c 89 ef e8 05 bc 08 fb e9 dc f7 ff ff 4c 89 e7 e8 b8 bd 08
RSP: 0018:ffff88809ce47008 EFLAGS: 00010216
RAX: 0000000000040000 RBX: 00000000000003d2 RCX: ffffc90010642000
RDX: 000000000000b34f RSI: ffffffff86923a71 RDI: 0000000000000006
RBP: ffff88809c436cc0 R08: ffff88809ce46f98 R09: 00000000000003d4
R10: 0000000000000006 R11: 0000000000000000 R12: ffff88809c436d44
R13: ffff88809c436d50 R14: 000000000000534e R15: 00000000000000e0
FS:  00007f26c67b0700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30c28000 CR3: 00000000a9191000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 skb_csum_hwoffload_help+0x8b/0x130 net/core/dev.c:3306
 validate_xmit_skb+0x94a/0xd50 net/core/dev.c:3349
 __dev_queue_xmit+0x963/0x2e00 net/core/dev.c:3830
 neigh_hh_output include/net/neighbour.h:491 [inline]
 neigh_output include/net/neighbour.h:499 [inline]
 ip_finish_output2+0xb6d/0x15a0 net/ipv4/ip_output.c:230
 ip_finish_output+0x85b/0xd20 net/ipv4/ip_output.c:318
 NF_HOOK_COND include/linux/netfilter.h:278 [inline]
 ip_output+0x203/0x5f0 net/ipv4/ip_output.c:406
 dst_output include/net/dst.h:455 [inline]
 ip_local_out+0xaf/0x170 net/ipv4/ip_output.c:125
 iptunnel_xmit+0x63b/0x9d0 net/ipv4/ip_tunnel_core.c:91
 geneve_xmit_skb drivers/net/geneve.c:864 [inline]
 geneve_xmit+0xe7a/0x2a80 drivers/net/geneve.c:937
 __netdev_start_xmit include/linux/netdevice.h:4333 [inline]
 netdev_start_xmit include/linux/netdevice.h:4347 [inline]
 xmit_one net/core/dev.c:3256 [inline]
 dev_hard_start_xmit+0x1a8/0x920 net/core/dev.c:3272
 sch_direct_xmit+0x2d6/0xf50 net/sched/sch_generic.c:332
 qdisc_restart net/sched/sch_generic.c:395 [inline]
 __qdisc_run+0x4d0/0x1640 net/sched/sch_generic.c:403
 __dev_xmit_skb net/core/dev.c:3500 [inline]
 __dev_queue_xmit+0x1518/0x2e00 net/core/dev.c:3807
 packet_snd net/packet/af_packet.c:2988 [inline]
 packet_sendmsg+0x2474/0x6aff net/packet/af_packet.c:3013
 sock_sendmsg_nosec net/socket.c:622 [inline]
 sock_sendmsg+0xc3/0x120 net/socket.c:632
 __sys_sendto+0x21a/0x320 net/socket.c:1787
 __do_sys_sendto net/socket.c:1799 [inline]
 __se_sys_sendto net/socket.c:1795 [inline]
 __x64_sys_sendto+0xdd/0x1b0 net/socket.c:1795
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45e159
Code: 0d b4 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 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f26c67afc68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 000000000045e159
RDX: 0000000000003287 RSI: 0000000020000080 RDI: 0000000000000003
RBP: 000000000119bfd8 R08: 0000000000000000 R09: 00000000000002ff
R10: 0000000004000002 R11: 0000000000000246 R12: 000000000119bf8c
R13: 00007ffccf5e508f R14: 00007f26c67b09c0 R15: 000000000119bf8c
Modules linked in:
---[ end trace 9b9468a8d79e41d6 ]---
RIP: 0010:skb_checksum_help+0x851/0x9c0 net/core/dev.c:2917
Code: 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 84 eb fb ff ff 48 8b 7c 24 20 e8 69 be 08 fb e9 dc fb ff ff e8 9f 95 d2 fa <0f> 0b 4c 89 ef e8 05 bc 08 fb e9 dc f7 ff ff 4c 89 e7 e8 b8 bd 08
RSP: 0018:ffff88809ce47008 EFLAGS: 00010216
RAX: 0000000000040000 RBX: 00000000000003d2 RCX: ffffc90010642000
RDX: 000000000000b34f RSI: ffffffff86923a71 RDI: 0000000000000006
RBP: ffff88809c436cc0 R08: ffff88809ce46f98 R09: 00000000000003d4
R10: 0000000000000006 R11: 0000000000000000 R12: ffff88809c436d44
R13: ffff88809c436d50 R14: 000000000000534e R15: 00000000000000e0
FS:  00007f26c67b0700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30c28000 CR3: 00000000a9191000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400