[Patch] [BZ 13761] Fix another unbound alloca

[Jeff Law]

On 11/29/2012 12:05 AM, Andreas Jaeger wrote:
> On 11/28/2012 11:12 PM, Jeff Law wrote:
>> To recap (from the BZ):
>>
>> nss_compat allocates buffer space on stack using alloca (and
>> extend_alloca) for initgroup and keeps extending it to fit in larger
>> lines. This breaks for cases where the number of members in a gorup
>> are very large, causing the alloca reference to go beyond thread stack
>> boundary.  Siddhesh partially fixed this problem a while back, this
>> patch completes the fix.
>
> This looks fine to me,
Thanks.  David's call as to whether or not to pull this into 2.17; 
barring an explicit OK from him I'll hold off installing until after the 
tree is unfrozen.

jeff