linux-kernel - [PATCH 2/5] ecryptfs: missing initialization of the superblock 'magic' field

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Message-Id: <201011031111.22964.roberto.sassu@polito.it>
Date:	Wed, 3 Nov 2010 11:11:22 +0100
From:	Roberto Sassu <roberto.sassu@...ito.it>
To:	tyhicks@...ux.vnet.ibm.com
Cc:	kirkland@...onical.com, jmorris@...ei.org,
	linux-security-module@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org
Subject: [PATCH 2/5] ecryptfs: missing initialization of the superblock 'magic' field

This patch initializes the 'magic' field of ecryptfs filesystems to
ECRYPTFS_SUPER_MAGIC.

Signed-off-by: Roberto Sassu <roberto.sassu@...ito.it>
---
 fs/ecryptfs/main.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/fs/ecryptfs/main.c b/fs/ecryptfs/main.c
index 09eb529..81821d7 100644
--- a/fs/ecryptfs/main.c
+++ b/fs/ecryptfs/main.c
@@ -36,6 +36,7 @@
 #include <linux/parser.h>
 #include <linux/fs_stack.h>
 #include <linux/slab.h>
+#include <linux/magic.h>
 #include "ecryptfs_kernel.h"
 
 /**
@@ -520,6 +521,7 @@ static int ecryptfs_read_super(struct super_block *sb, const char *dev_name)
 	ecryptfs_set_superblock_lower(sb, path.dentry->d_sb);
 	sb->s_maxbytes = path.dentry->d_sb->s_maxbytes;
 	sb->s_blocksize = path.dentry->d_sb->s_blocksize;
+	sb->s_magic = ECRYPTFS_SUPER_MAGIC;
 	ecryptfs_set_dentry_lower(sb->s_root, path.dentry);
 	ecryptfs_set_dentry_lower_mnt(sb->s_root, path.mnt);
 	rc = ecryptfs_interpose(path.dentry, sb->s_root, sb, 0);
-- 
1.7.2.3


Download attachment "smime.p7s" of type "application/pkcs7-signature" (4707 bytes)