2.0.5a core dump in setup_groups()
Jeremy Allison
jallison at cthulhu.engr.sgi.com
Fri Jul 23 16:57:39 GMT 1999
Ken Weaverling wrote:
>
> A few weeks ago, I posted here that 2.0.4b dumped core on me in getpwent
> calls in certain rare, but reproducable cases. getpwent was triggering a
> realloc() which cause the crash.
>
> Well, I noticed a lot of work in that area in 2.0.5a but guess what, it
> now dumps core in a different area, relating to getgrent and initgroups.
> Why, I have no idea. Curiously though, it's using the same reproducable
> set of steps. It seems to work all but a few others.
>
> This is on an m88K DG/UX 4.11MU05 system.
>
I've just worked with someone else who has a reproducible
crash bug with getpwent when a user is in more than 8
groups on a DG/UX machine. Set the groups to 8 and
the problem goes away. It's not an smbd problem (I tested
it on IRIX :-).
It's starting to look like DG/UX has some C library bugs
relating to memory overwrites with limits like MAX_GROUPS.
Could this possibly be a similar problem here ?
Jeremy.
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