Bug#495007: libc6: getaddrinfo_a causes SetFault in amd64 version

[Aurelien Jarno <aurelien@aurel32.net>]

On Wed, Aug 13, 2008 at 08:23:31PM -0400, Matthew Von-Maszewski wrote:
> Aurelien,
> 
> I doubt "linuxthreads" is anything but an old directory being reused.   
> The file gai_misc.h appears in two places.  The one I mention below in  
> the debian and another in the ./resolve directory.  The debian tree  
> version appears to be someone's attempt at optimizing memory usage on  
> the secondary thread.  The debian version overrides the libc/resolve  
> version. The secondary thread is created by a conventional pthreads  
> call (again unrelated to "linuxthreads").

I don't understand why you are speaking about a debian version, debian
does not patch this file, so there is nothing about optimizing memory
usage.

> The reduced stack size is now being pounded by what appears to be a  
> ton of relatively new getaddrinfo code.  __res_vinit() has a large  
> buffer it takes out of the stack.  It makes sense that the stack is  
> now to small.
> 
> I ask that you give the bug serious consideration as written.  I  

I haven't found yet a time to get a closer look, but your analysis seems
to be wrong given that:
- we are not using the linuxthreads anymore
- we do not change gai_misc.h

I'll have a closer look tomorrow.

-- 
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