From: "Dan Kegel" <dank@alumni.caltech.edu>
> atmproj@yahoo.com asked:
> > [Why does this program not crash?]
> >
> > main()
> > {
> > char *s;
> > s = (char*)malloc(0);
> > strcpy(s,"fffff");
> > printf("%s\n",s);
> > }
>
> It doesn't crash because the standard malloc is
> optimized for speed, not for finding bugs.
>
> Try linking it with a debugging malloc, e.g.
> cc bug.c -lefence
> and watch it dump core.
I'm not sure that is fully responsive, Dan. Why doesn't the
strcpy throw a hissyfit and coredump?
{^_^}
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Tue Nov 07 2000 - 21:00:21 EST