memcpy: detected field-spanning write (size 32) of single field "_Generic(info, const struct ip_tunnel_info * : ((const void *)((info) + 1)), struct ip_tunnel_info * : ((void *)((info) + 1)) )" at ./include/net/ip_tunnels.h:662 (size 0)
WARNING: CPU: 2 PID: 14232 at ./include/net/ip_tunnels.h:662 ip_tunnel_info_opts_set include/net/ip_tunnels.h:662 [inline]
WARNING: CPU: 2 PID: 14232 at ./include/net/ip_tunnels.h:662 geneve_rx drivers/net/geneve.c:244 [inline]
WARNING: CPU: 2 PID: 14232 at ./include/net/ip_tunnels.h:662 geneve_udp_encap_recv+0x2498/0x2b90 drivers/net/geneve.c:401
Modules linked in:
CPU: 2 UID: 0 PID: 14232 Comm: syz.1.3097 Not tainted 6.14.0-rc5-syzkaller-00023-gbb2281fb05e5 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:ip_tunnel_info_opts_set include/net/ip_tunnels.h:662 [inline]
RIP: 0010:geneve_rx drivers/net/geneve.c:244 [inline]
RIP: 0010:geneve_udp_encap_recv+0x2498/0x2b90 drivers/net/geneve.c:401
Code: 31 e8 ff ff e8 29 b1 44 fb c6 05 b2 b0 d5 09 01 90 31 c9 48 c7 c2 20 65 16 8c 4c 89 e6 48 c7 c7 00 66 16 8c e8 d9 df 04 fb 90 <0f> 0b 90 90 e9 5a ec ff ff e8 fa b0 44 fb e8 75 46 c6 02 31 ff 41
RSP: 0018:ffffc900006587a0 EFLAGS: 00010282
RAX: 0000000000000000 RBX: ffff8880309489f2 RCX: ffffffff817a2229
RDX: ffff88804970c880 RSI: ffffffff817a2236 RDI: 0000000000000001
RBP: ffffc900006588b8 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000003 R12: 0000000000000020
R13: ffff888031f39800 R14: 0000000000000000 R15: ffff88803507a3c0
FS:  00007f7a024626c0(0000) GS:ffff88806a800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000400000003000 CR3: 0000000032866000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 udp_queue_rcv_one_skb+0xad5/0x18b0 net/ipv4/udp.c:2380
 udp_queue_rcv_skb+0x198/0xd10 net/ipv4/udp.c:2458
 udp_unicast_rcv_skb+0x165/0x3b0 net/ipv4/udp.c:2618
 __udp4_lib_rcv+0x25fd/0x34e0 net/ipv4/udp.c:2694
 ip_protocol_deliver_rcu+0x2ff/0x4c0 net/ipv4/ip_input.c:205
 ip_local_deliver_finish+0x316/0x570 net/ipv4/ip_input.c:233
 NF_HOOK include/linux/netfilter.h:314 [inline]
 NF_HOOK include/linux/netfilter.h:308 [inline]
 ip_local_deliver+0x18e/0x1f0 net/ipv4/ip_input.c:254
 dst_input include/net/dst.h:469 [inline]
 ip_rcv_finish net/ipv4/ip_input.c:447 [inline]
 NF_HOOK include/linux/netfilter.h:314 [inline]
 NF_HOOK include/linux/netfilter.h:308 [inline]
 ip_rcv+0x2c3/0x5d0 net/ipv4/ip_input.c:567
 __netif_receive_skb_one_core+0x199/0x1e0 net/core/dev.c:5893
 __netif_receive_skb+0x1d/0x160 net/core/dev.c:6006
 process_backlog+0x443/0x15f0 net/core/dev.c:6354
 __napi_poll.constprop.0+0xb7/0x550 net/core/dev.c:7188
 napi_poll net/core/dev.c:7257 [inline]
 net_rx_action+0xa94/0x1010 net/core/dev.c:7379
 handle_softirqs+0x213/0x8f0 kernel/softirq.c:561
 do_softirq kernel/softirq.c:462 [inline]
 do_softirq+0xb2/0xf0 kernel/softirq.c:449
 </IRQ>
 <TASK>
 __local_bh_enable_ip+0x100/0x120 kernel/softirq.c:389
 local_bh_enable include/linux/bottom_half.h:33 [inline]
 rcu_read_unlock_bh include/linux/rcupdate.h:919 [inline]
 __dev_queue_xmit+0x8b0/0x43e0 net/core/dev.c:4676
 dev_queue_xmit include/linux/netdevice.h:3313 [inline]
 neigh_resolve_output net/core/neighbour.c:1514 [inline]
 neigh_resolve_output+0x53a/0x940 net/core/neighbour.c:1494
 neigh_output include/net/neighbour.h:539 [inline]
 ip_finish_output2+0x7ee/0x2180 net/ipv4/ip_output.c:236
 __ip_finish_output net/ipv4/ip_output.c:314 [inline]
 __ip_finish_output+0x49e/0x950 net/ipv4/ip_output.c:296
 ip_finish_output+0x35/0x380 net/ipv4/ip_output.c:324
 NF_HOOK_COND include/linux/netfilter.h:303 [inline]
 ip_output+0x13b/0x2a0 net/ipv4/ip_output.c:434
 dst_output include/net/dst.h:459 [inline]
 ip_local_out net/ipv4/ip_output.c:130 [inline]
 ip_send_skb+0x3e5/0x560 net/ipv4/ip_output.c:1502
 udp_send_skb+0x71d/0x15b0 net/ipv4/udp.c:1196
 udp_sendmsg+0x1903/0x2a30 net/ipv4/udp.c:1484
 inet_sendmsg+0x105/0x140 net/ipv4/af_inet.c:851
 sock_sendmsg_nosec net/socket.c:718 [inline]
 __sock_sendmsg net/socket.c:733 [inline]
 ____sys_sendmsg+0x98c/0xc90 net/socket.c:2573
 ___sys_sendmsg+0x135/0x1e0 net/socket.c:2627
 __sys_sendmsg+0x16e/0x220 net/socket.c:2659
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7a0158d169
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7a02462038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f7a017a5fa0 RCX: 00007f7a0158d169
RDX: 0000000000000000 RSI: 0000400000000b40 RDI: 0000000000000008
RBP: 00007f7a0160e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f7a017a5fa0 R15: 00007ffcd53a6218
 </TASK>