socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000140)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
r2 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0)
sendfile(r1, r2, 0x0, 0x10001)
recvfrom$unix(r0, 0x0, 0x1000000, 0x0, 0x0, 0x0)