linux-kernel - [PATCH v5 05/21] ima: move ima_file

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Message-Id: <1305557115-15652-6-git-send-email-zohar@linux.vnet.ibm.com>
Date:	Mon, 16 May 2011 10:44:59 -0400
From:	Mimi Zohar <zohar@...ux.vnet.ibm.com>
To:	linux-security-module@...r.kernel.org
Cc:	Mimi Zohar <zohar@...ux.vnet.ibm.com>,
	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
	James Morris <jmorris@...ei.org>,
	David Safford <safford@...son.ibm.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Greg KH <greg@...ah.com>,
	Dmitry Kasatkin <dmitry.kasatkin@...ia.com>,
	Mimi Zohar <zohar@...ibm.com>
Subject: [PATCH v5 05/21] ima: move ima_file_free before releasing the file

Integrity appraisal measures files on file_free and stores the file
measurement as an xattr.  Measure the file before releasing it.

Signed-off-by: Mimi Zohar <zohar@...ibm.com>
Acked-by: Serge Hallyn <serge.hallyn@...ntu.com>
---
 fs/file_table.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/fs/file_table.c b/fs/file_table.c
index 01e4c1e..33f54a1 100644
--- a/fs/file_table.c
+++ b/fs/file_table.c
@@ -243,10 +243,10 @@ static void __fput(struct file *file)
 		if (file->f_op && file->f_op->fasync)
 			file->f_op->fasync(-1, file, 0);
 	}
+	ima_file_free(file);
 	if (file->f_op && file->f_op->release)
 		file->f_op->release(inode, file);
 	security_file_free(file);
-	ima_file_free(file);
 	if (unlikely(S_ISCHR(inode->i_mode) && inode->i_cdev != NULL &&
 		     !(file->f_mode & FMODE_PATH))) {
 		cdev_put(inode->i_cdev);
-- 
1.7.3.4

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