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Message-ID: <b086760e0907220930j7da01917nc3556c63a4a67a2f@mail.gmail.com>
Date: Wed, 22 Jul 2009 18:30:39 +0200
From: yersinia <yersinia.spiros@...il.com>
To: oss-security@...ts.openwall.com
Cc: Brad Spengler <spender@...ecurity.net>, Marcus Meissner <meissner@...e.de>,
dailydave <dailydave@...ts.immunitysec.com>
Subject: Re: Re: [Dailydave] Linux
2.6.30+/SELinux/RHEL5 test kernel 0day, exploiting the unexploitable
On Wed, Jul 22, 2009 at 5:04 PM, Todd Sabin<tsabin@...online.net> wrote:
> spender@...ecurity.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@...online.net>
>
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