linux-kernel - Re: [PATCH v9 3/4] kasan: Add report for async mode

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Message-ID: <e5582f87-2987-a258-350f-1fac61822657@arm.com>
Date:   Fri, 29 Jan 2021 18:00:17 +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>,
        Andrew Morton <akpm@...ux-foundation.org>,
        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 v9 3/4] kasan: Add report for async mode

Hi Andrey,

On 1/29/21 5:40 PM, Andrey Konovalov wrote:
> I suggest to call end_report(&flags, 0) here and check addr !=0 in
> end_report() before calling trace_error_report_end().
> 

Probably this is better as:

if (!IS_ENABLED(CONFIG_KASAN_HW_TAGS))

Because that condition passes always addr == 0.

What do you think?

-- 
Regards,
Vincenzo