Status of GCC memory checking, -fcheck-memory-usage

[Florian Weimer]

John Levon <levon@movementarian.org> writes:

>> I've tried ccmalloc and dmalloc, so I apologize if the following
>> doesn't apply to the situation of libcwd.
>
> njamd is the best one I've found that's free. It claims to do the
> guard-page thing for under/overflows, but for some reason its performance
> is really acceptable (certainly much better than efence)

Being a malloc() debugger, njamd only detects erroneous memory
accesses, not buffer overflows.