From: James Morris <jmorris@namei.org>
To: David Howells <dhowells@redhat.com>
Cc: a.beregalov@gmail.com, linux-kernel@vger.kernel.org,
linux-security-module@vger.kernel.org
Subject: Re: [PATCH] CRED: Further fix execve cred_exec_mutex handling [ver #2]
Date: Sat, 23 Aug 2008 08:44:30 +1000 (EST) [thread overview]
Message-ID: <alpine.LRH.1.10.0808230844080.24779@tundra.namei.org> (raw)
In-Reply-To: <20080822134636.5797.34406.stgit@warthog.procyon.org.uk>
On Fri, 22 Aug 2008, David Howells wrote:
> Further fix the way cred_exec_mutex is handled by [compat_]do_execve(). The
> mutex is now only unlocked by the function that locked it, and is no longer
> unlocked by free_bprm() or install_exec_creds(). This means that PTRACE_ATTACH
> may have to wait a little longer before being allowed to proceed.
>
> This patch cleans up the order in which the mutex is locked and unlocked and
> gets rid of a potential double unlock.
>
> Signed-off-by: David Howells <dhowells@redhat.com>
> ---
Applied to:
git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6#next-creds
--
James Morris
<jmorris@namei.org>
prev parent reply other threads:[~2008-08-22 22:45 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-08-22 13:46 David Howells
2008-08-22 22:44 ` James Morris [this message]
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