linux-kernel - Re: [PATCH RFC 2/2] HID: usbhid: kcov: add annotations for coverage collection

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Message-ID: <nycvar.YFH.7.76.1912130930220.4603@cbobk.fhfr.pm>
Date:   Fri, 13 Dec 2019 09:31:21 +0100 (CET)
From:   Jiri Kosina <jikos@...nel.org>
To:     Andrey Konovalov <andreyknvl@...gle.com>
cc:     Dmitry Vyukov <dvyukov@...gle.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Alan Stern <stern@...land.harvard.edu>,
        Benjamin Tissoires <benjamin.tissoires@...hat.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        linux-usb@...r.kernel.org, linux-input@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Alexander Potapenko <glider@...gle.com>,
        Marco Elver <elver@...gle.com>
Subject: Re: [PATCH RFC 2/2] HID: usbhid: kcov: add annotations for coverage
 collection

On Thu, 12 Dec 2019, Andrey Konovalov wrote:

> This patch adds kcov_remote_start/stop() callbacks into usbhid code that
> is executed in interrupt context. As the result, kcov can be used to
> collect coverage from those parts of the code, which is used to facilitate
> coverage-guided fuzzing with syzkaller.
> 
> Signed-off-by: Andrey Konovalov <andreyknvl@...gle.com>

Acked-by: Jiri Kosina <jkosina@...e.cz>

-- 
Jiri Kosina
SUSE Labs