linux-kernel - Re: [PATCH] getsockopt() early argument sanity checking

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Message-Id: <20060820.124751.104041574.davem@davemloft.net>
Date:	Sun, 20 Aug 2006 12:47:51 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	arjan@...radead.org
Cc:	solar@...nwall.com, ak@...e.de, wtarreau@...a.kernel.org,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH] getsockopt() early argument sanity checking

From: Arjan van de Ven <arjan@...radead.org>
Date: Sun, 20 Aug 2006 18:30:51 +0200

> this reasoning goes out the window with kernel preemption of course ;)

Yes and even though this thing is for 2.4.x, it just shows
that this is a hack and we shouldn't eat two userspace
accesses for a hack.

Instead fix the setsockopt() implementations that aren't
checking the optlen parameter correctly.
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