socketpair$unix(0x1, 0x1, 0x0, &(0x7f00000000c0)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
r2 = dup(r0)
setsockopt$sock_int(r2, 0x1, 0x10, &(0x7f0000000200)=0xbe7, 0x4)
write$binfmt_elf64(r1, &(0x7f0000000080)=ANY=[], 0x40)
recvmsg(r2, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000340)=""/172, 0xac}, 0x0)