linux-kernel - Re: [uml-devel] [PATCH] [UML] fix mknod

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: <200701261949.57042.blaisorblade@yahoo.it>
Date:	Fri, 26 Jan 2007 19:49:56 +0100
From:	Blaisorblade <blaisorblade@...oo.it>
To:	user-mode-linux-devel@...ts.sourceforge.net
Cc:	Andrew Morton <akpm@...l.org>, Jeff Dike <jdike@...aya.com>,
	Johannes Stezenbach <js@...uxtv.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [uml-devel] [PATCH] [UML] fix mknod

On Thursday 25 January 2007 05:31, Andrew Morton wrote:
> On Tue, 23 Jan 2007 23:33:29 +0100
>
> Blaisorblade <blaisorblade@...oo.it> wrote:
> > On Tuesday 23 January 2007 14:17, Johannes Stezenbach wrote:
> > > On Tue, Jan 23, 2007 at 09:02:30AM +0100, Blaisorblade wrote:
> > > > On Monday 22 January 2007 21:13, Johannes Stezenbach wrote:
> > > > > I was playing with user-mode Linux and found that mknod creates
> > > > > devices node in hostfs with wrong major/minor numbers.
> > > > > The patch below fixes it for me.
> > > >
> > > > Hmpf. Still having this bug on hostfs is quite bad. Thanks for
> > > > reporting.
> >
> > I've now seen - we never fixed this one, we fixed the analogous problem
> > on 'ls' output and friends (in init_inode, which is used in many places).
> >
> > > > It should be hostfs_user.c to take major and minor and to combine
> > > > them correctly - it can use libc's macros.
> > >
> > > Right, below is a better patch.
> >
> > Exactly what I meant, thanks!
> > I'd say:
> > Acked-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@...oo.it>
> > This can go to 2.6.20, and possibly even to -stable (after either me or
> > Jeff tests it once).

> So..  did you test it?

Just tested, I could reproduce the bug and verify the fix works, on 2.6.18; 
and for me it's enough to merge it, considering that little changes happened 
on hostfs, and because it's well understood with static review that this fix 
is needed.

It should also be merged in 2.6.16-stable.
-- 
Inform me of my mistakes, so I can add them to my list!
Paolo Giarrusso, aka Blaisorblade
http://www.user-mode-linux.org/~blaisorblade
Chiacchiera con i tuoi amici in tempo reale! 
 http://it.yahoo.com/mail_it/foot/*http://it.messenger.yahoo.com 
-
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/