linux-kernel - Re: kfree(0)

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Wed, 15 Aug 2007 12:27:03 +0200
From:	Rene Herman <rene.herman@...il.com>
To:	Jan Engelhardt <jengelh@...putergmbh.de>
CC:	Jason Uhlenkott <jasonuhl@...onuhl.org>,
	Arjan van de Ven <arjan@...radead.org>,
	Tim Bird <tim.bird@...sony.com>,
	linux kernel <linux-kernel@...r.kernel.org>
Subject: Re: kfree(0) - ok?

On 08/15/2007 12:20 PM, Jan Engelhardt wrote:

> On Aug 15 2007 11:58, Rene Herman wrote:
>>>>>>> NULL is not 0 though.
>>>>>> It is.  Its representation isn't guaranteed to be all-bits-zero,

>> He said the null _pointer_ isn't guaranteed to be all-bits zero. And it
>> isn't. Read the standard or the faq.
> 
> 0 is all-bits-zero.
> NULL is 0. ("It is.", above)

NULL is a define. It does not have a binary presentation. He was talking 
about the representation of the null pointer, not of 0.

Retarded language lawyering over in comp.lang.c please where all the other 
people who think they just have to be brilliant for having been able to read 
a standards documents go to wank off.

Rene.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/