r0 = socket$inet_udp(0x2, 0x2, 0x0)
recvmsg(r0, &(0x7f0000000680)={&(0x7f00000001c0)=@sco={0x1f, @fixed}, 0x80, &(0x7f0000000580)=[{0x0}, {0x0}], 0x2}, 0x0)