Re: [Libunwind-devel] [PATCH] Remedy stack overflow

[Bob Bell]

On Mon, Dec 01, 2008 at 12:48:35PM -0800, Arun Sharma wrote:
> On Mon, Dec 1, 2008 at 12:43 PM, Bob Bell <address@hidden>wrote:
> > The systems where I use libunwind have relatively small stacks.  Parts
> > of libunwind put PATH_MAX on the stack, sometimes more than once.  This
> > can lead to stack overflow, at which point my applications die without
> > *ANY* indication of why they died.
> >
> > I'm using the patch below.  It converts the big stack allocations I've
> > found into mallocs.  It remedies the problems I've been seeing, at least
> > for me.
>
> Please do not introduce mallocs in libunwind. It makes libunwind unusable as
> a heap profiler.
> Does mempool_alloc() work for you?

I almost added a disclaimer about not knowing if malloc() was
"permitted", but didn't.  I will attempt to use mempool_alloc() instead
and report back my results.

--
Bob Bell