linux-kernel - Re: [PATCH] bttv: fix mutex use before init

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: <20101214214306.GC5900@hanuman.home.ifup.org>
Date:	Tue, 14 Dec 2010 13:43:06 -0800
From:	Brandon Philips <brandon@...p.org>
To:	Torsten Kaiser <just.for.lkml@...glemail.com>,
	Mauro Carvalho Chehab <mchehab@...radead.org>,
	Dave Young <hidave.darkstar@...il.com>
Cc:	linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
	Guennadi Liakhovetski <g.liakhovetski@....de>,
	Chris Clayton <chris2553@...glemail.com>
Subject: Re: [PATCH] bttv: fix mutex use before init

On 21:56 Tue 14 Dec 2010, Torsten Kaiser wrote:
> On Tue, Dec 14, 2010 at 1:30 AM, Brandon Philips <brandon@...p.org> wrote:
> > On 17:13 Sun 12 Dec 2010, Torsten Kaiser wrote:
> >>  * change &fh->cap.vb_lock in bttv_open() AND radio_open() to
> >> &btv->init.cap.vb_lock
> >>  * add a mutex_init(&btv->init.cap.vb_lock) to the setup of init in bttv_probe()
> >
> > That seems like a reasonable suggestion. An openSUSE user submitted this
> > bug to our tracker too. Here is the patch I am having him test.
> >
> > Would you mind testing it?
> 
> No. :-)
> 
> Without this patch (==vanilla 2.6.37-rc5) I got 2 more OOPSe by
> restarting hal around 20 times.
> After applying this patch, I did not see a single OOPS after 100 restarts.
> So it looks like the fix is correct.

Dave, Torsten- Great thanks for testing, can I get both you and Dave's
Tested-by then?

Mauro- can you please pick up this patch?

Cheers,

	Brandon
--
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/