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From: Andrey Ryabinin <aryabinin@virtuozzo.com>
To: Arnd Bergmann <arnd@arndb.de>, Andrew Morton <akpm@linux-foundation.org>
Cc: Qian Cai <cai@lca.pw>, Mark Brown <broonie@kernel.org>,
	Andrey Konovalov <andreyknvl@google.com>,
	Vasily Gorbik <gor@linux.ibm.com>,
	linux-kernel@vger.kernel.org, clang-built-linux@googlegroups.com
Subject: Re: [PATCH] [v2] kasan: remove clang version check for KASAN_STACK
Date: Mon, 22 Jul 2019 15:27:32 +0300
Message-ID: <a3a12316-87b6-a6d9-d831-2f62f0bfbedc@virtuozzo.com> (raw)
In-Reply-To: <20190719200347.2596375-1-arnd@arndb.de>



On 7/19/19 11:03 PM, Arnd Bergmann wrote:
> asan-stack mode still uses dangerously large kernel stacks of
> tens of kilobytes in some drivers, and it does not seem that anyone
> is working on the clang bug.
> 
> Turn it off for all clang versions to prevent users from
> accidentally enabling it once they update to clang-9, and
> to help automated build testing with clang-9.
> 
> Link: https://bugs.llvm.org/show_bug.cgi?id=38809
> Fixes: 6baec880d7a5 ("kasan: turn off asan-stack for clang-8 and earlier")
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> ---

Reviewed-by: Andrey Ryabinin <aryabinin@virtuozzo.com>

  parent reply index

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-19 20:03 Arnd Bergmann
2019-07-19 20:56 ` Nick Desaulniers
2019-07-22 12:27 ` Andrey Ryabinin [this message]
2019-07-22 12:38 ` Mark Brown

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