r0 = socket$inet6_udp(0xa, 0x2, 0x0)
fcntl$lock(r0, 0x6, &(0x7f0000000180)={0x1, 0x0, 0x7fff, 0x0, 0xffffffffffffffff})
fcntl$lock(r0, 0x6, &(0x7f0000000180)={0x1, 0x0, 0x0, 0x100})