From: Andreas Gruenbacher <agruen@xxxxxxxxxx> Signed-off-by: Andreas Gruenbacher <agruen@xxxxxxxxxx> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxxxxxxx> --- fs/namei.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/fs/namei.c b/fs/namei.c index 26b9a8212837..06474553c08d 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -284,6 +284,19 @@ static int acl_permission_check(struct inode *inode, int mask) { unsigned int mode = inode->i_mode; + if (IS_RICHACL(inode)) { + int error = check_acl(inode, mask); + if (error != -EAGAIN) + return error; + if (mask & (MAY_DELETE_SELF | MAY_TAKE_OWNERSHIP | + MAY_CHMOD | MAY_SET_TIMES)) { + /* + * The file permission bit cannot grant these + * permissions. + */ + return -EACCES; + } + } if (likely(uid_eq(current_fsuid(), inode->i_uid))) mode >>= 6; else { -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html