linux-ext4 - [PATCH] ext2: return -ENODATA for NULL i_file_acl in ext2_xattr

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>] [thread-next>] [day] [month] [year] [list]

Message-ID: <4C3C7E59.8040905@gmail.com>
Date:	Tue, 13 Jul 2010 22:55:21 +0800
From:	Wang Sheng-Hui <crosslonelyover@...il.com>
To:	kernel-janitors <kernel-janitors@...r.kernel.org>,
	linux-ext4 <linux-ext4@...r.kernel.org>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: [PATCH] ext2: return -ENODATA for NULL i_file_acl in ext2_xattr_list

 Hi,

In ext2_xattr_list, if (!EXT2_I(inode)->i_file_acl)
is true, we should return -ENODATA instead of 0.
Following patch is against 2.6.35-rc5. Please check
it.

Signed-off-by: Wang Sheng-Hui <crosslonelyover@...il.com>
---
fs/ext2/xattr.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/fs/ext2/xattr.c b/fs/ext2/xattr.c
index 7c39157..5ecbbd8 100644
--- a/fs/ext2/xattr.c
+++ b/fs/ext2/xattr.c
@@ -263,7 +263,7 @@ ext2_xattr_list(struct dentry *dentry, char *buffer,
size_t buffer_size)
buffer, (long)buffer_size);

down_read(&EXT2_I(inode)->xattr_sem);
- error = 0;
+ error = -ENODATA;
if (!EXT2_I(inode)->i_file_acl)
goto cleanup;
ea_idebug(inode, "reading block %d", EXT2_I(inode)->i_file_acl);
-- 
1.7.1.1



-- 
Thanks and Regards,
shenghui

--
To unsubscribe from this list: send the line "unsubscribe linux-ext4" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html