linux-kernel - Re: make checkpatch warn about memset with swapped arguments.

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:	Thu, 17 Mar 2011 17:51:04 -0400
From:	Dave Jones <davej@...hat.com>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Re: make checkpatch warn about memset with swapped arguments.

On Thu, Mar 17, 2011 at 05:38:16PM -0400, Steven Rostedt wrote:

 > > Maybe it's just me, but I think it would be better to use bzero() for
 > > this operation - it's more readable and it can't be screwed up.  Then
 > > checkpatch checks for memset(xxx, 0, xxx) and for memset(xxx, xxx, 0)
 > > and says "hey, use bzero".  
 > 
 > Honestly, I've never had the issues with memset. Maybe back in college.
 > But heh, whatever.

You're smarter than the average bear.

Given how often this bug turns up in both userspace and kernelspace,
it's a landmine waiting for someone to step on.

	Dave
 
--
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/