r0 = openat(0xffffffffffffff9c, &(0x7f00000002c0)='./file1\x00', 0x101142, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./file1\x00', 0x0, 0x0)
write$binfmt_elf64(r0, &(0x7f0000000300)=ANY=[], 0x278)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
sendfile(r2, r1, 0x0, 0x100000001)