linux-kernel - Re: [PATCH v2] fs: select: fix information leak to userspace

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Date:	Tue, 23 Nov 2010 07:59:29 +0100
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Dan Carpenter <error27@...il.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Boaz Harrosh <bharrosh@...asas.com>,
	Vasiliy Kulikov <segoon@...nwall.com>,
	Andreas Dilger <adilger.kernel@...ger.ca>,
	kernel-janitors@...r.kernel.org,
	Alexander Viro <viro@...iv.linux.org.uk>,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	Jakub Jelinek <jakub@...hat.com>
Subject: Re: [PATCH v2] fs: select: fix information leak to userspace

Le mardi 23 novembre 2010 à 08:12 +0300, Dan Carpenter a écrit :

> Well, that sucks...  I know I wrote some code that relied on holes
> getting zeroed as well.  Is there no option to GCC to make this work?
> 

Apparently not.

At least, commits 0f04cfd098fb81fded74e78ea1a1b86cc6c6c31e and
1c40be12f7d8ca1d387510d39787b12e512a7ce8 were safe, as structures that
were touched dont have holes.



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