linux-kernel - Re: [PATCH] SUNRPC: Prevent kernel stack corruption on long values of flush

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, 17 Oct 2012 11:29:44 -0700
From:	Boaz Harrosh <bharrosh@...asas.com>
To:	Jim Rees <rees@...ch.edu>
CC:	Dave Jones <davej@...hat.com>,
	"J. Bruce Fields" <bfields@...ldses.org>,
	Sasha Levin <levinsasha928@...il.com>,
	<Trond.Myklebust@...app.com>, <davem@...emloft.net>,
	<linux-nfs@...r.kernel.org>, <netdev@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] SUNRPC: Prevent kernel stack corruption on long values
 of flush

On 07/18/2012 01:55 PM, Jim Rees wrote:
> Dave Jones wrote:
> 
>   
>   Unsigned long isn't necessarily 32 bits.
>   On 64-bit systems %lu can be up to 18446744073709551615
> 
> Thanks.  You caught me thinking "Intel."  How embarrassing.

What? why even on Intel-64 long is 64bit. long is always the
same or bigger then a pointer (A pointer must always fit
in a long)

On the other hand int is 32bit in Intel-64 unlike some
other CPUs where int(s) may get to be 64bit as well.

Cheers
Boaz
--
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/