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From: Andrey Ryabinin <aryabinin@virtuozzo.com>
To: Dmitry Vyukov <dvyukov@google.com>,
	linux-mm@kvack.org, akpm@linux-foundation.org
Cc: kasan-dev@googlegroups.com, Fengguang Wu <fengguang.wu@intel.com>,
	Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>,
	Kees Cook <keescook@google.com>
Subject: Re: [PATCH] KASAN: prohibit KASAN+STRUCTLEAK combination
Date: Thu, 19 Apr 2018 20:21:02 +0300	[thread overview]
Message-ID: <d405534b-6d18-715a-85b9-7fc4305d75d3@virtuozzo.com> (raw)
In-Reply-To: <20180419094847.56737-1-dvyukov@google.com>



On 04/19/2018 12:48 PM, Dmitry Vyukov wrote:

> --- a/arch/Kconfig
> +++ b/arch/Kconfig
> @@ -464,6 +464,10 @@ config GCC_PLUGIN_LATENT_ENTROPY
>  config GCC_PLUGIN_STRUCTLEAK
>  	bool "Force initialization of variables containing userspace addresses"
>  	depends on GCC_PLUGINS
> +	# Currently STRUCTLEAK inserts initialization out of live scope of
> +	# variables from KASAN point of view. This leads to KASAN false
> +	# positive reports. Prohibit this combination for now.
> +	depends on !KASAN
                    KASAN_EXTRA

  reply	other threads:[~2018-04-19 17:20 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-19  9:48 Dmitry Vyukov
2018-04-19 17:21 ` Andrey Ryabinin [this message]
2018-04-19 17:25   ` Dmitry Vyukov

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