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From: Sascha Hauer <s.hauer@pengutronix.de>
To: Ahmad Fatoum <a.fatoum@pengutronix.de>
Cc: Barebox List <barebox@lists.infradead.org>
Subject: Re: [PATCH 0/9] barebox KASan support
Date: Mon, 28 Sep 2020 17:06:33 +0200	[thread overview]
Message-ID: <20200928150633.GI11648@pengutronix.de> (raw)
In-Reply-To: <d2172e61-a0a7-f536-f755-032751164e0d@pengutronix.de>

On Mon, Sep 28, 2020 at 04:33:21PM +0200, Ahmad Fatoum wrote:
> Hello Sascha,
> 
> On 9/18/20 10:45 AM, Sascha Hauer wrote:
> > This series adds KASan support to barebox. We already have ASan support
> > for sandbox which uses libasan, this time we get KASan for use on real
> > hardware. The KASan support is based on the Kernel code and contains the
> > subset of features we need for barebox. KASan is currently supported on
> > ARM(32/64) only and requires a supported allocator. Currently only the
> > TLSF allocator is supported.
> 
> Should the md/mw/memcpy commands be exempt from KASAN checks?

I asked myself the same question. For now I decided that including these
commands in KASan checks helps debugging KASan. You can easily trigger a
KASan exception with them. Also you shouldn't have any business
manipulating the malloc area outside the allocated regions.

Sascha


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      reply	other threads:[~2020-09-28 15:06 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-18  8:45 Sascha Hauer
2020-09-18  8:45 ` [PATCH 1/9] Add print_hex_dump kernel implementation Sascha Hauer
2020-09-18  8:45 ` [PATCH 2/9] Add _RET_IP_ macro Sascha Hauer
2020-09-18  8:45 ` [PATCH 3/9] Kallsyms: Also resolve global variables Sascha Hauer
2020-09-22 16:17   ` Michael Grzeschik
2020-09-28  8:30     ` Sascha Hauer
2020-09-18  8:45 ` [PATCH 4/9] Add constructor support Sascha Hauer
2020-09-18  8:45 ` [PATCH 5/9] pbl: Alias memcpy and memset Sascha Hauer
2020-09-18  8:45 ` [PATCH 6/9] string: Add nokasan variants of default memcpy/memset Sascha Hauer
2020-09-18  8:45 ` [PATCH 7/9] sandbox: rename KASan to ASan Sascha Hauer
2020-09-18  8:45 ` [PATCH 8/9] Add KASan support Sascha Hauer
2020-09-18 10:15   ` Ahmad Fatoum
2020-09-21  6:24     ` Sascha Hauer
2020-09-18  8:45 ` [PATCH 9/9] ARM: " Sascha Hauer
2021-02-09  9:25   ` Ahmad Fatoum
2021-02-10  9:26     ` Sascha Hauer
2021-02-10  9:27       ` Ahmad Fatoum
2020-09-28 14:33 ` [PATCH 0/9] barebox " Ahmad Fatoum
2020-09-28 15:06   ` Sascha Hauer [this message]

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