Yes, but it's not the writes or reads that segfaults, it's 
malloc() itself!

The shell works perfectly on FreeBSD/x86 where it was developed, the
problem is only on the Alpha!

On Wed, 17 May 2000, Peter Seebach wrote:

> In message <Pine.GSO.4.21.0005172251290.15360-100000@sigma1.sm.luth.se>, Andrea
> s Falck writes:
> >However, what is the conclusion about the memory thing, alignment problems
> >or what?
> 
> If increasing space allocated fixed it, the conclusion is most likely that
> you've got a sequence of operations where:
> 	1.  You allocate some space.
> 	2.  You overwrite the area past the allocated space.
> Possibly,
> 	3.  You free the space.
> 
> Basically, the space just outside a malloc'd block may well be part of another
> block, and you are corrupting the malloc data structures.
> 
> -s
>