linux-kernel - Re: [PATCH] lost content of /proc/sys/fs/binfmt

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Message-ID: <m1fxygt9eb.fsf@ebiederm.dsl.xmission.com>
Date:	Thu, 06 Dec 2007 03:17:16 -0700
From:	ebiederm@...ssion.com (Eric W. Biederman)
To:	"Denis V. Lunev" <den@...nvz.org>
Cc:	akpm@...ux-foundation.org, marcus@...ter.se,
	containers@...ts.osdl.org, devel@...nvz.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] lost content of /proc/sys/fs/binfmt_misc

"Denis V. Lunev" <den@...nvz.org> writes:

> /proc/sys/fs/binfmt_misc dentry disappeared during d_revalidate.
> d_revalidate only dentries from shadowed one and below.
> http://bugzilla.kernel.org/show_bug.cgi?id=9504

Denis this is decent except it doesn't completely close the possibility of
leaking mounts.  It just refuses to leak mounts on everything except /proc/net.

Eric
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