linux-kernel - Re: nfsv2 ref leak in 2.6.24?

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: <1192801277.7073.4.camel@heimdal.trondhjem.org>
Date:	Fri, 19 Oct 2007 09:41:16 -0400
From:	Trond Myklebust <trond.myklebust@....uio.no>
To:	Erez Zadok <ezk@...sunysb.edu>
Cc:	bfields@...ldses.org, nfs@...ts.sourceforge.net, neilb@...e.de,
	linux-kernel@...r.kernel.org
Subject: Re: nfsv2 ref leak in 2.6.24?


On Fri, 2007-10-19 at 01:49 -0400, Erez Zadok wrote:
> I'm testing unionfs on top of nfsv2/3/4, using 2.6.24 as of linus's commit
> 4fa4d23fa20de67df919030c1216295664866ad7.  A lot of my unionfs regression
> tests are failing on nfs2, b/c files that should be deleted, aren't.  It
> feels like there may be a ref leak that prevents the files from being
> deleted, or maybe an unlink issue.  It doesn't happen in all of my previous
> kernels w/ identical unionfs (code 2.6.9--2.6.23).  And in 2.6.24 it happens
> only w/ nfs2 -- nfs3/4 are fine.
> 
> I'm not sure if this is a client or server issue, and I'm only starting to
> dig deeper.  But I thought I'd ask you in case this is a known problem and
> you have a fix.  If this is the first you hear of this problem, let me know
> and I'll try to narrow it down further.

A couple of questions:

      * Are these files being sillyrenamed?
      * Are they shown as being removed by the server?

Cheers
  Trond

-
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/