linux-kernel - [PATCH 1/2] f2fs: le16_to_cpu for xattr->e_value

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]

Date:   Fri, 10 Mar 2017 09:53:34 -0800
From:   Jaegeuk Kim <jaegeuk@...nel.org>
To:     linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        linux-f2fs-devel@...ts.sourceforge.net
Cc:     Jaegeuk Kim <jaegeuk@...nel.org>
Subject: [PATCH 1/2] f2fs: le16_to_cpu for xattr->e_value_size

This patch fixes missing le16 conversion, reported by kbuild test robot.

Fixes: 5f35a2cd5 ("f2fs: Don't update the xattr data that same as the exist")
Signed-off-by: Jaegeuk Kim <jaegeuk@...nel.org>
---
 fs/f2fs/xattr.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/fs/f2fs/xattr.c b/fs/f2fs/xattr.c
index 7298a4488f7f..aff7619e3f96 100644
--- a/fs/f2fs/xattr.c
+++ b/fs/f2fs/xattr.c
@@ -546,7 +546,9 @@ static bool f2fs_xattr_value_same(struct f2fs_xattr_entry *entry,
 					const void *value, size_t size)
 {
 	void *pval = entry->e_name + entry->e_name_len;
-	return (entry->e_value_size == size) && !memcmp(pval, value, size);
+
+	return (le16_to_cpu(entry->e_value_size) == size) &&
+					!memcmp(pval, value, size);
 }
 
 static int __f2fs_setxattr(struct inode *inode, int index,
-- 
2.11.0