O_EXEC and O_SEARCH

[KOSAKI Motohiro]

>>> And, as far as I observed, current linux man pages don't tell us
>>> O_PATH|O_NOFOLLOW
>>> behavior. Is this really intentional result? How do you confirmed?
>>
>> Yes, it seems intentional. O_PATH without O_NOFOLLOW would resolve the
>> symbolic link and open a file descriptor referring to the target
>> inode. O_PATH|O_NOFOLLOW opens a file descriptor to the symbolic link
>> inode itself. As far as I can see, this behavior is desirable and
>> intentional with O_PATH but wrong for O_SEARCH or O_EXEC.
>
> Hmm... Why?
> It doesn't match linux man nor posix.

So, I suggest to don't guess and discuss in LKML directly instead.