From: Christoph Lameter <cl@linux.com>
To: Alexander Potapenko <glider@google.com>
Cc: adech.fo@gmail.com, dvyukov@google.com,
akpm@linux-foundation.org, ryabinin.a.a@gmail.com,
rostedt@goodmis.org, iamjoonsoo.kim@lge.com, js1304@gmail.com,
kcc@google.com, kasan-dev@googlegroups.com,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH v2 0/7] SLAB support for KASAN
Date: Thu, 18 Feb 2016 11:32:40 -0600 (CST) [thread overview]
Message-ID: <alpine.DEB.2.20.1602181131320.24647@east.gentwo.org> (raw)
In-Reply-To: <cover.1455811491.git.glider@google.com>
On Thu, 18 Feb 2016, Alexander Potapenko wrote:
> Unlike SLUB, SLAB doesn't store allocation/deallocation stacks for heap
> objects, therefore we reimplement this feature in mm/kasan/stackdepot.c.
> The intention is to ultimately switch SLUB to use this implementation as
> well, which will remove the dependency on SLUB_DEBUG.
This needs to be clarified a bit. CONFIG_SLUB_DEBUG is on by default. So
the dependency does not matter much. I think you depend on the slowpath
debug processing right? The issue is that you want to do these things in
the fastpath?
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next prev parent reply other threads:[~2016-02-18 17:32 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-18 17:16 Alexander Potapenko
[not found] ` <cover.1455814741.git.glider@google.com>
2016-02-18 17:16 ` [PATCH v2 1/7] kasan: Modify kmalloc_large_oob_right(), add kmalloc_pagealloc_oob_right() Alexander Potapenko
2016-02-18 17:16 ` [PATCH v2 2/7] mm, kasan: SLAB support Alexander Potapenko
2016-02-18 17:16 ` [PATCH v2 3/7] mm, kasan: Added GFP flags to KASAN API Alexander Potapenko
2016-02-18 17:16 ` [PATCH v2 4/7] arch, ftrace: For KASAN put hard/soft IRQ entries into separate sections Alexander Potapenko
2016-02-18 17:16 ` [PATCH v2 5/7] mm, kasan: Stackdepot implementation. Enable stackdepot for SLAB Alexander Potapenko
2016-02-18 17:16 ` [PATCH v2 6/7] kasan: Test fix: Warn if the UAF could not be detected in kmalloc_uaf2 Alexander Potapenko
2016-02-18 17:16 ` [PATCH v2 7/7] mm: kasan: Initial memory quarantine implementation Alexander Potapenko
2016-02-18 17:32 ` Christoph Lameter [this message]
2016-02-18 17:48 ` [PATCH v2 0/7] SLAB support for KASAN Alexander Potapenko
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