linux-kernel - Re: [PATCH v3 1/4] kasan, arm64: Add KASAN light mode

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Date:   Sat, 16 Jan 2021 13:40:52 +0000
From:   Vincenzo Frascino <vincenzo.frascino@....com>
To:     Andrey Konovalov <andreyknvl@...gle.com>
Cc:     Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        LKML <linux-kernel@...r.kernel.org>,
        kasan-dev <kasan-dev@...glegroups.com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        Dmitry Vyukov <dvyukov@...gle.com>,
        Andrey Ryabinin <aryabinin@...tuozzo.com>,
        Alexander Potapenko <glider@...gle.com>,
        Marco Elver <elver@...gle.com>,
        Evgenii Stepanov <eugenis@...gle.com>,
        Branislav Rankov <Branislav.Rankov@....com>
Subject: Re: [PATCH v3 1/4] kasan, arm64: Add KASAN light mode

Hi Andrey,

On 1/15/21 6:59 PM, Andrey Konovalov wrote:
> On Fri, Jan 15, 2021 at 1:00 PM Vincenzo Frascino
> <vincenzo.frascino@....com> wrote:
>>

[...]
>> @@ -60,6 +61,8 @@ static int __init early_kasan_mode(char *arg)
>>
>>         if (!strcmp(arg, "off"))
>>                 kasan_arg_mode = KASAN_ARG_MODE_OFF;
>> +       else if (!strcmp(arg, "light"))
>> +               kasan_arg_mode = KASAN_ARG_MODE_LIGHT;
> 
> Hi Vincenzo,
> 
> I've just mailed the change to KASAN parameters [1] as discussed, so
> we should use a standalone parameter here (kasan.trap?).
> 
> Thanks!
> 
> [1] https://lkml.org/lkml/2021/1/15/1242
> 

Thanks for this. I will have a look into it today. In the meantime, could you
please elaborate a bit more on kasan.trap?

-- 
Regards,
Vincenzo