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

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Date:   Fri, 29 Jan 2021 19:10:26 +0100
From:   Andrey Konovalov <andreyknvl@...gle.com>
To:     Vincenzo Frascino <vincenzo.frascino@....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

On Fri, Jan 29, 2021 at 6:57 PM Vincenzo Frascino
<vincenzo.frascino@....com> wrote:
> >>>> +#ifdef CONFIG_KASAN_HW_TAGS
> >>>> +void kasan_report_async(void)
> >>>> +{
> >>>> +       unsigned long flags;
> >>>> +
> >>>> +       start_report(&flags);
> >>>> +       pr_err("BUG: KASAN: invalid-access\n");
> >>>> +       pr_err("Asynchronous mode enabled: no access details available\n");
> >
> > Could you also add an empty line here before the stack trace while at it?
> >
>
> Sure no problem.

Just to be clear: I mean adding an empty line into the report itself
via pr_err("\n") :)