gethostbyname_r leaks memory

[Daniel Jacobowitz]

On Fri, Mar 21, 2003 at 03:41:20PM -0000, Wolfram Gloger wrote:
> Hi,
> 
> I can easily reproduce this problem.
> 
> I have some evidence that the leak is caused by the following:
> 
> 	    if (EXT(statp).nsaddrs[n] == NULL)
> 		 EXT(statp).nsaddrs[n] =
> 			    malloc(sizeof (struct sockaddr_in6));
> 
> from resolv/res_send.c near line 440, which is apparantly producing
> lots of small chunks which in the multi-thread case are never freed.
> Perhaps someone who understands the resolver logic better can fix it
> straight away?  I might take a look too but it's probably going to
> take some time..

Are you trying with a current glibc?  Roland McGrath fixed this just
before the release of glibc 2.3.2.

-- 
Daniel Jacobowitz
MontaVista Software                         Debian GNU/Linux Developer