r2 = dup(r1)
connect$inet6(r2, &(0x7f0000000200)={0xa, 0x0, 0x0, @ipv4={'\x00', '\xff\xff', @loopback}}, 0x1c)
getsockname$inet6(r2, 0x0, &(0x7f0000000040))
ioctl$BLKBSZSET(r2, 0x40081271, &(0x7f0000000000)=0x6)
write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0xb)
BUG: leak checking failed