linux-kernel - Re: [PATCH v1] mm, kasan: don't call kasan_krealloc() from ksize(). Add a ksize() test.

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Message-ID: <CAPAsAGyWX78DfNCtC7K73nMd8D+-5Tx_UE3LtvjyTK6Xfn_V+Q@mail.gmail.com>
Date:	Wed, 13 Apr 2016 11:20:39 +0300
From:	Andrey Ryabinin <ryabinin.a.a@...il.com>
To:	Alexander Potapenko <glider@...gle.com>
Cc:	Andrey Konovalov <adech.fo@...il.com>,
	Christoph Lameter <cl@...ux.com>,
	Dmitry Vyukov <dvyukov@...gle.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Kostya Serebryany <kcc@...gle.com>,
	kasan-dev <kasan-dev@...glegroups.com>,
	LKML <linux-kernel@...r.kernel.org>,
	"linux-mm@...ck.org" <linux-mm@...ck.org>
Subject: Re: [PATCH v1] mm, kasan: don't call kasan_krealloc() from ksize().
 Add a ksize() test.

2016-04-11 20:10 GMT+03:00 Alexander Potapenko <glider@...gle.com>:
> Instead of calling kasan_krealloc(), which replaces the memory allocation
> stack ID (if stack depot is used), just unpoison the whole memory chunk.
> Add a test that makes sure ksize() unpoisons the whole chunk.
>

Split in two please.

> Signed-off-by: Alexander Potapenko <glider@...gle.com>
> ---