From: Jeremy Fitzhardinge <jeremy@goop.org>
To: Mark McLoughlin <markmc@redhat.com>
Cc: Ingo Molnar <mingo@elte.hu>,
xen-devel <xen-devel@lists.xensource.com>,
linux-kernel <linux-kernel@vger.kernel.org>,
Michael Abd-El-Malek <mabdelmalek@cmu.edu>
Subject: Re: [Xen-devel] [PATCH] xen: Fix grant table bug
Date: Thu, 03 Apr 2008 07:36:39 -0700 [thread overview]
Message-ID: <47F4EB77.1010304@goop.org> (raw)
In-Reply-To: <1207229210.29720.11.camel@muff>
Mark McLoughlin wrote:
> On Sun, 2008-03-30 at 23:42 -0400, Michael Abd-El-Malek wrote:
>
>
>> There was a bug in the free list allocation code. The free list was indexed as
>> if it was the same size as the grant table. But it's only half as large. So
>> memory got corrupted, and I was seeing crashes in the slab allocator later on.
>>
>
> Looks like an obvious candidate for upstream linux too. Rebased version
> below.
>
Queued, thanks.
J
WARNING: multiple messages have this Message-ID (diff)
From: Jeremy Fitzhardinge <jeremy@goop.org>
To: Mark McLoughlin <markmc@redhat.com>
Cc: Ingo Molnar <mingo@elte.hu>,
xen-devel <xen-devel@lists.xensource.com>,
linux-kernel <linux-kernel@vger.kernel.org>,
Michael Abd-El-Malek <mabdelmalek@cmu.edu>
Subject: Re: [PATCH] xen: Fix grant table bug
Date: Thu, 03 Apr 2008 07:36:39 -0700 [thread overview]
Message-ID: <47F4EB77.1010304@goop.org> (raw)
In-Reply-To: <1207229210.29720.11.camel@muff>
Mark McLoughlin wrote:
> On Sun, 2008-03-30 at 23:42 -0400, Michael Abd-El-Malek wrote:
>
>
>> There was a bug in the free list allocation code. The free list was indexed as
>> if it was the same size as the grant table. But it's only half as large. So
>> memory got corrupted, and I was seeing crashes in the slab allocator later on.
>>
>
> Looks like an obvious candidate for upstream linux too. Rebased version
> below.
>
Queued, thanks.
J
next prev parent reply other threads:[~2008-04-03 14:37 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-31 3:42 [PATCH] linux: fix grant table bug Michael Abd-El-Malek
2008-03-31 9:53 ` Keir Fraser
2008-04-03 13:26 ` [PATCH] xen: Fix " Mark McLoughlin
2008-04-03 13:26 ` Mark McLoughlin
2008-04-03 14:36 ` Jeremy Fitzhardinge [this message]
2008-04-03 14:36 ` Jeremy Fitzhardinge
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