From: Dave Hansen <haveblue@us.ibm.com>
To: Kylene Jo Hall <kjhall@us.ibm.com>
Cc: linux-kernel <linux-kernel@vger.kernel.org>,
LSM ML <linux-security-module@vger.kernel.org>,
Dave Safford <safford@us.ibm.com>, Mimi Zohar <zohar@us.ibm.com>,
Serge Hallyn <sergeh@us.ibm.com>
Subject: Re: [RFC][PATCH 3/6] SLIM main patch
Date: Fri, 14 Jul 2006 10:44:30 -0700 [thread overview]
Message-ID: <1152899070.314.11.camel@localhost.localdomain> (raw)
In-Reply-To: <1152897878.23584.6.camel@localhost.localdomain>
On Fri, 2006-07-14 at 10:24 -0700, Kylene Jo Hall wrote:
> +static void revoke_mmap_wperm(struct slm_file_xattr *cur_level)
> +{
> + struct vm_area_struct *mpnt;
> + struct file *file;
> + struct dentry *dentry;
> + struct slm_isec_data *isec;
> +
> + flush_cache_mm(current->mm);
> +
> + for (mpnt = current->mm->mmap; mpnt; mpnt = mpnt->vm_next) {
> + file = mpnt->vm_file;
> + if (!file)
> + continue;
You need to hold the mmap_sem for read while walking this list.
-- Dave
next prev parent reply other threads:[~2006-07-14 17:44 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-07-14 17:24 [RFC][PATCH 3/6] SLIM main patch Kylene Jo Hall
2006-07-14 17:44 ` Dave Hansen [this message]
2006-07-14 18:06 ` Kylene Jo Hall
2006-07-14 18:28 ` Dave Hansen
2006-07-14 18:27 ` Dave Hansen
2006-07-14 19:25 ` Kylene Jo Hall
2006-07-14 19:34 ` Dave Hansen
2006-07-14 20:51 ` David Safford
2006-07-14 19:52 ` Serge E. Hallyn
2006-07-14 20:01 ` Kylene Jo Hall
2006-07-14 20:06 ` Dave Hansen
2006-07-15 16:54 ` Pavel Machek
2006-07-24 17:51 Kylene Jo Hall
2006-07-28 6:01 ` Pavel Machek
2006-07-28 19:05 ` Kylene Jo Hall
2006-07-24 17:51 Kylene Jo Hall
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