Re: [Valgrind-users] Valgrind can't catch memory breaking by overwriting global valuable and local valuable ???

[Philippe W. <phi...@sk...>]

On Mon, 2015-05-25 at 12:41 +0100, Tom Hughes wrote:
> On 25/05/15 12:26, Jack wrote:
> 
> > so i wrote an test program on pc to test valgrind ability of program internal memory breaking
> > but somehow it seems can't fetch program internal over-writing and under-writing global or local valuable??
> 
> http://valgrind.org/docs/manual/faq.html#faq.overruns
> 
> Tom
> 
As explained in the reference given by Tom, memcheck does not find
over/under-run bugs in local or global variables.

For that, you might try the experimental tool   --tool=exp-sgcheck

(sgcheck = s-tack or g-lobal check)

Philippe