linux-kernel - Re: [TOMOYO #16 03/25] LSM: Pass original mount flags to security_sb

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Message-ID: <4ACE1FD1.6070400@canonical.com>
Date:	Thu, 08 Oct 2009 10:22:25 -0700
From:	John Johansen <john.johansen@...onical.com>
To:	Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>
CC:	linux-security-module@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [TOMOYO #16 03/25] LSM: Pass original mount flags to security_sb_mount().

Tetsuo Handa wrote:
> This patch allows LSM modules to determine based on original mount flags
> passed to mount(). A LSM module can get masked mount flags (if needed) by
>
>	flags &= ~(MS_NOSUID | MS_NOEXEC | MS_NODEV | MS_ACTIVE |
>		   MS_NOATIME | MS_NODIRATIME | MS_RELATIME| MS_KERNMOUNT |
>		   MS_STRICTATIME);

This looks good, and would also have use in AppArmor.
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