[EMAIL PROTECTED] wrote:
> >LD_PRELOAD=/usr/lib/[EMAIL PROTECTED]
> >
> >Works around the assumptions in the broken programs that pass NULL to
> >printf.
>
>
> And masks most of the other NULL dereferencing bugs.
>
>
> I think Padraig is asking for something to use in production code; well,
> [EMAIL PROTECTED] just isn't fit for that.
Typical points of failure (in order of significance) are:
- explicit dereferencing of null pointers in the code
- use of strcmp() or similar
- printf()
If you look at bad programs they typically fail in the first two categories.
LD_PRELOAD=/usr/lib/[EMAIL PROTECTED] masks these problems and prevents you from
fixing them.
Jörg
--
EMail:[EMAIL PROTECTED] (home) Jörg Schilling D-13353 Berlin
[EMAIL PROTECTED] (uni)
[EMAIL PROTECTED] (work) Blog: http://schily.blogspot.com/
URL: http://cdrecord.berlios.de/old/private/ ftp://ftp.berlios.de/pub/schily
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