socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000240)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
write$binfmt_elf64(r1, 0x0, 0x0)
r2 = dup2(r0, r1)
ioctl$sock_TIOCINQ(r2, 0x541b, &(0x7f0000000000))