Re: mm/slub: do not place freelist pointer to middle of object if redzone is on

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To: Markus Elfring <Markus.Elfring@xxxxxx>, Changbin Du <changbin.du@xxxxxxxxx>, linux-mm@xxxxxxxxx
Subject: Re: mm/slub: do not place freelist pointer to middle of object if redzone is on
From: Waiman Long <longman@xxxxxxxxxx>
Date: Wed, 29 Apr 2020 12:36:30 -0400
Cc: linux-kernel@xxxxxxxxxxxxxxx, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Christoph Lameter <cl@xxxxxxxxx>, David Rientjes <rientjes@xxxxxxxxxx>, Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>, Kees Cook <keescook@xxxxxxxxxxxx>, Pekka Enberg <penberg@xxxxxxxxxx>
In-reply-to: <b1b93915-696b-c6e2-d122-f01121188bdc@web.de>
Organization: Red Hat
References: <ca36745b-1939-2640-aeed-390c8c39114e@web.de> <20200425235105.sye7fsbndbv24b46@mail.google.com> <dc9bcaad-ee13-5359-5d99-7ecb8cb1d46b@web.de> <20200428231855.5czf4penpbowliz6@mail.google.com> <b1b93915-696b-c6e2-d122-f01121188bdc@web.de>
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On 4/29/20 4:00 AM, Markus Elfring wrote:

Waiman just posted another fix for this issue. Let's use that patch instead.

With which patches should the situation be finally improved
also for this software component?
https://lore.kernel.org/patchwork/project/lkml/list/?submitter=21412

Regards,
Markus

The "mm/slub: Fix incorrect interpretation of s->offset" v3 patch that Isent out this morning should fix the problem.


Cheers,
Longman

References:
- Re: [PATCH] mm/slub: do not place freelist pointer to middle of object if redzone is on
  - From: Markus Elfring
- Re: [PATCH] mm/slub: do not place freelist pointer to middle of object if redzone is on
  - From: Changbin Du
- Re: mm/slub: do not place freelist pointer to middle of object if redzone is on
  - From: Markus Elfring
- Re: mm/slub: do not place freelist pointer to middle of object if redzone is on
  - From: Changbin Du
- Re: mm/slub: do not place freelist pointer to middle of object if redzone is on
  - From: Markus Elfring

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