Commit 63d37fb4 authored by Murphy Zhou's avatar Murphy Zhou Committed by Steve French

CIFS: fix max ea value size

It should not be larger then the slab max buf size. If user
specifies a larger size, it passes this check and goes
straightly to SMB2_set_info_init performing an insecure memcpy.
Signed-off-by: default avatarMurphy Zhou <jencce.kernel@gmail.com>
Reviewed-by: default avatarAurelien Aptel <aaptel@suse.com>
CC: Stable <stable@vger.kernel.org>
Signed-off-by: default avatarSteve French <stfrench@microsoft.com>
parent 8559ad8e
...@@ -31,7 +31,7 @@ ...@@ -31,7 +31,7 @@
#include "cifs_fs_sb.h" #include "cifs_fs_sb.h"
#include "cifs_unicode.h" #include "cifs_unicode.h"
#define MAX_EA_VALUE_SIZE 65535 #define MAX_EA_VALUE_SIZE CIFSMaxBufSize
#define CIFS_XATTR_CIFS_ACL "system.cifs_acl" #define CIFS_XATTR_CIFS_ACL "system.cifs_acl"
#define CIFS_XATTR_ATTRIB "cifs.dosattrib" /* full name: user.cifs.dosattrib */ #define CIFS_XATTR_ATTRIB "cifs.dosattrib" /* full name: user.cifs.dosattrib */
#define CIFS_XATTR_CREATETIME "cifs.creationtime" /* user.cifs.creationtime */ #define CIFS_XATTR_CREATETIME "cifs.creationtime" /* user.cifs.creationtime */
......
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