Dailydave: Re: [oss-security] Re: [oss-security] Linux 2.6.30+/SELinux/RHEL5 test kernel 0day, exploiting the unexploitable

[yersinia <yersinia.spiros () gmail com>]

On Wed, Jul 22, 2009 at 5:04 PM, Todd Sabin<tsabin () optonline net> wrote:
> spender () grsecurity net (Brad Spengler) writes:
>
> > (Really there should have been a CVE for the lack of
> > -fno-delete-null-pointer-checks instead of pretending the only problem
> > was /dev/net/tun....
> Just as a side note, it seems like gcc is missing an option, to me.
> Okay, it can figure out that some NULL pointer checks seem to be
> useless, and either optimize them away or leave them in.  What about
> issuing a warning?
>
> Where's -Wuseless-null-pointer-check?
Coverity opinion on this specific issue

http://blog.coverity.com/posts/general/would-you-like-to-know-about-0day-defects-months-in-advance

Regards

> Todd
>
> --
> Todd Sabin                                          <tsabin () optonline net>
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