From: Greg KH <greg@kroah.com>
To: Nitin Gupta <ngupta@vflare.org>
Cc: Jerome Marchand <jmarchan@redhat.com>,
Minchan Kim <minchan.kim@gmail.com>,
Seth Jennings <sjenning@linux.vnet.ibm.com>,
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
Dan Carpenter <dan.carpenter@oracle.com>,
Sam Hansen <solid.se7en@gmail.com>,
Linux Driver Project <devel@linuxdriverproject.org>,
linux-kernel <linux-kernel@vger.kernel.org>,
stable@vger.kernel.org
Subject: Re: zram: fix invalid memory references during disk write
Date: Sat, 8 Dec 2012 11:47:26 -0800 [thread overview]
Message-ID: <20121208194726.GD3897@kroah.com> (raw)
In-Reply-To: <CAPkvG_er9VYk6Qi5o_Gz33qYN1Mr9jPUXMBm461Q8dtQC4iEdw@mail.gmail.com>
On Fri, Dec 07, 2012 at 04:50:37PM -0800, Nitin Gupta wrote:
> On Thu, Nov 29, 2012 at 10:45 PM, Nitin Gupta <ngupta@vflare.org> wrote:
> > Fixes a bug introduced by commit c8f2f0db1 ("zram: Fix handling
> > of incompressible pages") which caused invalid memory references
> > during disk write. Invalid references could occur in two cases:
> > - Incoming data expands on compression: In this case, reference was
> > made to kunmap()'ed bio page.
> > - Partial (non PAGE_SIZE) write with incompressible data: In this
> > case, reference was made to a kfree()'ed buffer.
> >
> > Fixes bug 50081:
> > https://bugzilla.kernel.org/show_bug.cgi?id=50081
> >
> > Upstream commit ID: c8f2f0d: zram: Fix handling of incompressible pages
> > Apply to versions: 3.6.5, 3.6.6, 3.6.7, 3.6.8
> >
>
> Greg: can you please apply these patches to above stable versions
> and also 3.6.9?
Hm, sorry, I thought this was for the 3.7 tree, I'll queue this up for
the next round of 3.6-stable patches.
thanks,
greg k-h
next prev parent reply other threads:[~2012-12-08 19:47 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1354257909-2380-1-git-send-email-ngupta@vflare.org>
2012-11-30 6:58 ` zram: fix invalid memory references during disk write Nitin Gupta
2012-12-08 0:50 ` Nitin Gupta
2012-12-08 19:47 ` Greg KH [this message]
[not found] ` <20121211182720.GC29421@kroah.com>
2012-12-18 21:12 ` Nitin Gupta
2012-12-19 3:49 ` Greg KH
2012-12-19 7:21 ` Nitin Gupta
2012-12-19 15:08 ` Greg KH
2012-12-19 15:53 ` Nitin Gupta
2012-12-19 16:17 ` Greg KH
2012-12-19 17:21 ` Nitin Gupta
2012-12-19 17:39 ` Mitch Harder
2012-12-20 22:48 ` Nitin Gupta
2013-01-14 19:19 ` Greg KH
2013-01-15 0:48 ` Nitin Gupta
2013-01-15 12:33 ` Greg KH
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