[uClibc] gethostbyname_r not properly creating hostent result when using dns ?

[Mike Frysinger]

while playing with an uclibc chroot, i noticed that a basic portage operation 
was resulting in a segfault ... i narrowed it down to a simple python 
statement:
python -c 'import socket; print socket.gethostbyname_ex("wh0rd.org")[2];'

the gethostbyname_r() call itself is not segfaulting, but the memory returned 
in the h_aliases array seems to be wrong ...

i wrote a simple .c program to replicate the error (find attached) ... the 
program runs just fine in a glibc environment, and if i stick 'wh0rd.org' 
into my /etc/hosts file, everything works in uclibc too ...
i also verified that dns works just fine in the uclibc env with the domain by 
running `dig wh0rd.org` and getting the correct results

any insight would be great :)
-mike
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