r0 = socket$inet_tcp(0x2, 0x1, 0x0)
sendto$inet(r0, 0x0, 0x0, 0x20000850, &(0x7f0000000140)={0x2, 0x4000, @local}, 0x10)
getsockopt$sock_buf(r0, 0x1, 0x1c, 0x0, &(0x7f00000000c0)=0x10)