alternate data stream bug in Samba 3.2.1
Volker Lendecke
Volker.Lendecke at SerNet.DE
Tue Aug 26 06:49:41 GMT 2008
On Mon, Aug 25, 2008 at 10:53:43PM -0700, lipson wrote:
> Well, I'm trying to generate the log from valgrind. But before that, I was
> really confused by the behaviors of module streams_xattr. Have you guy
> tested the features of alternate data stream support in samba 3.2.1 ?
Well, it does survive *some* tests. But as it is always with
new features, there might be bugs. Apparently you hit one.
> Here is code snip I got from streams_xattr.c
> ===================================================
> ......
> DEBUG(10, ("get_ea_value returned %s\n", nt_errstr(status)));
>
> if (!NT_STATUS_IS_OK(status)
> && !NT_STATUS_EQUAL(status, NT_STATUS_NOT_FOUND)) {
> /*
> * The base file is not there. This is an error even if we
> got
> * O_CREAT, the higher levels should have created the base
> * file for us.
> */
> DEBUG(10, ("streams_xattr_open: base file %s not around, "
> "returning ENOENT\n", base));
> errno = ENOENT;
> goto fail;
> }
> ......
> ====================================================
> Isn't it a little bit self-conflict about the semantic meaning of this snip
> ?
In what sense do you see the conflict? When we're at that
code point, we should always have the base file.
Volker
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