rt_sigprocmask(0x0, &(0x7f00000001c0)={[0xfffffffffffffffd]}, 0x0, 0x8)
socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
dup3(r1, r0, 0x0)
write$binfmt_elf64(r1, 0x0, 0x0)