linux-kernel - Re: [pnfs] [GIT BISECT] first bad commit: 1f36f774 Switch !O_CREAT case to use of do

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-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20100325133746.GA30031@ZenIV.linux.org.uk>
Date:	Thu, 25 Mar 2010 13:37:46 +0000
From:	Al Viro <viro@...IV.linux.org.uk>
To:	Boaz Harrosh <bharrosh@...asas.com>
Cc:	Benny Halevy <bhalevy@...asas.com>,
	linux-fsdevel <linux-fsdevel@...r.kernel.org>,
	"J. Bruce Fields" <bfields@...i.umich.edu>,
	pNFS Mailing List <pnfs@...ux-nfs.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Doug Nazar <nazard.lkml@...il.com>
Subject: Re: [pnfs] [GIT BISECT] first bad commit: 1f36f774 Switch !O_CREAT
 case to use of do_last()

On Thu, Mar 25, 2010 at 03:30:22PM +0200, Boaz Harrosh wrote:
> > Let's try this: before do_lookup() call there add
> > 	if (*want_dir)
> > 		nd->flags |= LOOKUP_DIRECTORY;
> 
> Yes this fixes it!!
> 2.6.34-rc2 plus above, now works, horay. (diff attached)
> 
> > and see how does it behave.
> > 
> > However, even if it does help, it doesn't explain everything.  Normal
> > open() on a directory without O_DIRECTORY if flags shouldn't fail with
> > -EISDIR.  How did that manage to avoid it all along?

Does open() of directory _without_ O_DIRECTORY work in e.g. vanilla 2.6.33?
It certainly does for local filesystems and it does for NFSv3; does it work
for NFSv4?
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/