netdev - Re: [PATCH] tc: Fix unitialized kernel memory leak

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] [day] [month] [year] [list]

Message-Id: <20090902.234509.34851763.davem@davemloft.net>
Date:	Wed, 02 Sep 2009 23:45:09 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	shemminger@...tta.com
Cc:	eric.dumazet@...il.com, netdev@...r.kernel.org
Subject: Re: [PATCH] tc: Fix unitialized kernel memory leak

From: Stephen Hemminger <shemminger@...tta.com>
Date: Wed, 2 Sep 2009 23:34:10 -0700

> I doubt it would make a noticeable performance difference because
> the first memset would incur the cache penalty of the write (if any)
> and later update of fields would be cached.

Indeed, but it also means your store buffer usage is half as effective.
And when writing a ton of messages that might be important.

--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html