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Date: Tue, 6 Sep 2016 11:47:52 +0200
From: Andreas Stieger <>
Subject: Re: CVE request: Linux kernel mbcache lock contention
 denial of service.

On 09/05/2016 03:57 PM, Greg KH wrote:
> On Mon, Aug 22, 2016 at 03:28:51PM +1000, Wade Mealing wrote:
>> [...]
>> Upstream has replaced the mbcache code with an updated version which
>> was not a patch but a clear-cut reimplementation of the code, no
>> single diff
>> [...]
>>  ±  git tag --contains be0726d33cb8f411945884664924bed3cb8c70ee
>> v4.6
> That commit is for only the ext2 filesystem, how would it fix an issue
> in ext4?

commit f9a61eb4e2471c56a63cd804c7474128138c38ac
mbcache2: reimplement mbcache

commit 82939d7999dfc1f1998c4b1c12e2f19edbdff272
ext4: convert to mbcache2

commit be0726d33cb8f411945884664924bed3cb8c70ee
ext2: convert to mbcache2


Andreas Stieger <>
Project Manager Security
SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton,
HRB 21284 (AG Nürnberg)

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