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From: Dmitry Vyukov <dvyukov@google.com>
Date: Thu, 19 Apr 2018 19:25:25 +0200
Message-ID: <CACT4Y+atCQR6P1-iNuOmEhtw8KD3fSbxjRguPU43nPOQWYX+mQ@mail.gmail.com>
Subject: Re: [PATCH] KASAN: prohibit KASAN+STRUCTLEAK combination
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Sender: owner-linux-mm@kvack.org
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To: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: Linux-MM <linux-mm@kvack.org>, Andrew Morton <akpm@linux-foundation.org>, kasan-dev <kasan-dev@googlegroups.com>, Fengguang Wu <fengguang.wu@intel.com>, Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>, Kees Cook <keescook@google.com>

On Thu, Apr 19, 2018 at 7:21 PM, Andrey Ryabinin
<aryabinin@virtuozzo.com> wrote:
>
>
> 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

Remailed, thanks.