r0 = socket$inet_udp(0x2, 0x2, 0x0)
r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000140)={'syz_tun\x00', <r2=>0x0})
sendmmsg$inet(r0, &(0x7f0000004180)=[{{&(0x7f00000000c0)={0x2, 0x4e24, @empty}, 0x10, 0x0, 0x0, &(0x7f0000000480)=[@ip_pktinfo={{0x1c, 0x0, 0x8, {r2, @loopback, @empty}}}], 0x20}}, {{&(0x7f00000004c0)={0x2, 0x4e20, @dev}, 0x10, 0x0, 0x0, &(0x7f00000007c0)=[@ip_pktinfo={{0x1c, 0x0, 0x8, {0x0, @private=0xa010100}}}, @ip_retopts={{0x2c, 0x0, 0x7, {[@timestamp_addr={0x44, 0x1c, 0x12, 0x1, 0x0, [{@empty}, {@initdev={0xac, 0x1e, 0x0, 0x0}}, {}]}]}}}], 0x50}}], 0x2, 0x0)