From: David Miller <davem@davemloft.net>
To: drosenberg@vsecurity.com
Cc: netdev@vger.kernel.org, stable@kernel.org, security@kernel.org
Subject: Re: [PATCH] Prevent reading uninitialized memory with socketfilters
Date: Wed, 10 Nov 2010 10:21:29 -0800 (PST) [thread overview]
Message-ID: <20101110.102129.112602843.davem@davemloft.net> (raw)
In-Reply-To: <1695276347-1289413089-cardhu_decombobulator_blackberry.rim.net-434693855-@bda083.bisx.prod.on.blackberry>
From: "Dan Rosenberg" <drosenberg@vsecurity.com>
Date: Wed, 10 Nov 2010 18:18:08 +0000
> The code sample I linked to clearly demonstrates exactly how to
> accomplish this, if you had bothered to read it.
I told you why I didn't read it, if you had bothered to read my
reply properly :-)
Anyways, I realize we have to do something, but memset() is going
to completely kill performance. I consider Eric's suggestion the
closest to acceptable cost at this point but even that is hard
to digest for me.
next prev parent reply other threads:[~2010-11-10 18:21 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-10 18:18 [PATCH] Prevent reading uninitialized memory with socketfilters Dan Rosenberg
2010-11-10 18:21 ` David Miller [this message]
2010-11-10 18:33 ` Eric Dumazet
2010-11-10 18:38 ` David Miller
2010-11-16 13:08 ` [PATCH] filter: Optimize instruction revalidation code Tetsuo Handa
2010-11-16 13:11 ` Michael Tokarev
2010-11-16 13:44 ` Eric Dumazet
2010-11-16 14:31 ` [PATCH v2] " Tetsuo Handa
2010-11-16 16:30 ` Eric Dumazet
2010-11-17 1:19 ` [PATCH v3] " Tetsuo Handa
2010-11-17 7:48 ` Eric Dumazet
2010-11-17 7:54 ` Changli Gao
2010-11-17 8:18 ` Eric Dumazet
2010-11-17 8:06 ` Tetsuo Handa
2010-11-17 9:01 ` Hagen Paul Pfeifer
2010-11-18 18:58 ` David Miller
2010-11-16 22:13 ` [PATCH] " Hagen Paul Pfeifer
2010-11-16 23:31 ` Changli Gao
2010-11-16 23:45 ` Hagen Paul Pfeifer
2010-11-16 23:24 ` Changli Gao
-- strict thread matches above, loose matches on Subject: below --
2010-11-10 18:25 [PATCH] Prevent reading uninitialized memory with socketfilters Dan Rosenberg
2010-11-09 22:28 [PATCH] Prevent reading uninitialized memory with socket filters Dan Rosenberg
2010-11-10 5:28 ` David Miller
2010-11-10 5:53 ` Eric Dumazet
2010-11-10 7:22 ` Eric Dumazet
2010-11-10 14:25 ` [PATCH] Prevent reading uninitialized memory with socketfilters Tetsuo Handa
2010-11-10 18:32 ` David Miller
2010-11-10 18:39 ` David Miller
2010-11-10 20:57 ` Ben Hutchings
2010-11-10 20:59 ` David Miller
2010-11-10 21:25 ` Ben Hutchings
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