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] [day] [month] [year] [list]
Message-ID: <20070921211338.GF1951@fieldses.org>
Date:	Fri, 21 Sep 2007 17:13:38 -0400
From:	"J. Bruce Fields" <bfields@...ldses.org>
To:	Nix <nix@...eri.org.uk>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [2.6.22.6] nfsd: fh_verify() `malloc failure' with lots of
	free memory leads to NFS hang

On Fri, Sep 21, 2007 at 07:46:32PM +0100, Nix wrote:
> On 18 Sep 2007, J. Bruce Fields told this:
> > Also I suppose we should check which version of nfs-utils that fix is in
> > and make sure distributions are getting the fixed nfs-utils before they
> > get the new libc, or we're going to see this bug a lot....
> 
> Further info. This behaviour, although it is allowed by POSIX, is not
> *specified*, as such, by it (ah! ambiguity! life would be so dull
> without you!), and is not replicated by any other C library on the face
> of the planet.
> 
> Further, it's not even the behaviour of glibc, as such.
> 
> It's the behaviour of glibc 2.6.x as patched with this Debian-specific
> patch:

Good grief.  Well, I'd still count it as a bug in nfs-utils, then, but
nfs-util's share of the blame is much less than we'd previously
thought....

> This patch also breaks at least bash and zsh as well as nfs-utils (see
> <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=429021>) and I sort of
> suspect it's not long for this world as a result.
> 
> So this is much less nasty than we feared (well, and more nasty if you
> happen to be a Debian unstable or testing user).

OK!  Sounds like good news.

--b.
-
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/

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ