linux-kernel - Re: BUG: KCSAN: data-race in add_device

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Message-ID: <CANpmjNNoAEqab7Zi2bB7=3FVpajXe_4jmVV-orCO=DzT1Ber9w@mail.gmail.com>
Date:   Tue, 8 Feb 2022 10:23:36 +0100
From:   Marco Elver <elver@...gle.com>
To:     "Jason A. Donenfeld" <Jason@...c4.com>
Cc:     Jann Horn <jannh@...gle.com>, Dmitry Vyukov <dvyukov@...gle.com>,
        kasan-dev <kasan-dev@...glegroups.com>, pmenzel@...gen.mpg.de,
        "Theodore Y. Ts'o" <tytso@....edu>,
        LKML <linux-kernel@...r.kernel.org>,
        Dominik Brodowski <linux@...inikbrodowski.net>
Subject: Re: BUG: KCSAN: data-race in add_device_randomness+0x20d/0x290

On Tue, 8 Feb 2022 at 01:36, Jason A. Donenfeld <Jason@...c4.com> wrote:
>
> Hi Marco,
>
> On 2/8/22, Marco Elver <elver@...gle.com> wrote:
> > Jason - if you're interested in KCSAN data race reports in some
> > subsystems you maintain (I see a few in Wireguard), let me know, and
> > I'll release them from syzbot's moderation queue. The way we're trying
> > to do it with KCSAN is that we pre-moderate and ask maintainers if
> > they're happy to be forwarded all reports that syzbot finds (currently
> > some Networking and RCU, though the latter finds almost all data races
> > via KCSAN-enabled rcutorture).
>
> Oh that'd be great. Please feel free to forward whatever for WireGuard
> or random.c to jason@...c4.com and I'll gladly try to fix what needs
> fixing.

Great! I've released everything I could see right now.

Thanks,
-- Marco