------------[ cut here ]------------
memcpy: detected field-spanning write (size 16) of single field "r->arp_ha.sa_data" at net/ipv4/arp.c:1128 (size 14)
WARNING: CPU: 1 PID: 27533 at net/ipv4/arp.c:1128 arp_req_get net/ipv4/arp.c:1128 [inline]
WARNING: CPU: 1 PID: 27533 at net/ipv4/arp.c:1128 arp_ioctl+0x7eb/0x840 net/ipv4/arp.c:1261
Modules linked in:
CPU: 1 PID: 27533 Comm: syz-executor.1 Not tainted 6.0.0-syzkaller-06475-g4c86114194e6 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
RIP: 0010:arp_req_get net/ipv4/arp.c:1128 [inline]
RIP: 0010:arp_ioctl+0x7eb/0x840 net/ipv4/arp.c:1261
Code: fc ff ff e8 27 de 8c f9 b9 0e 00 00 00 4c 89 e6 48 c7 c2 40 90 02 8b 48 c7 c7 20 8f 02 8b c6 05 ce 2c dd 05 01 e8 a1 56 51 01 <0f> 0b e9 66 fc ff ff e8 f9 dd 8c f9 41 be fa ff ff ff e8 fe 5c 6f
RSP: 0018:ffffc9000c43fa70 EFLAGS: 00010286
RAX: 0000000000000000 RBX: ffff88807e156028 RCX: 0000000000000000
RDX: 0000000000040000 RSI: ffffffff8160f738 RDI: fffff52001887f40
RBP: 1ffff92001887f54 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000201 R11: 0000000000000000 R12: 0000000000000010
R13: ffff88807e156000 R14: 0000000000000000 R15: ffff88807e156124
FS:  00007f0e9cc49700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000280 CR3: 00000000552d0000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 inet_ioctl+0x27f/0x320 net/ipv4/af_inet.c:946
 sock_do_ioctl+0xcc/0x230 net/socket.c:1169
 sock_ioctl+0x2f1/0x640 net/socket.c:1286
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:870 [inline]
 __se_sys_ioctl fs/ioctl.c:856 [inline]
 __x64_sys_ioctl+0x193/0x200 fs/ioctl.c:856
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f0e9ba8a5a9
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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f0e9cc49168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f0e9bbabf80 RCX: 00007f0e9ba8a5a9
RDX: 0000000020000280 RSI: 0000000000008954 RDI: 0000000000000003
RBP: 00007f0e9bae5580 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f0e9c0dfb1f R14: 00007f0e9cc49300 R15: 0000000000022000
 </TASK>