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From:   Toke =?utf-8?Q?H=C3=B8iland-J=C3=B8rgensen?= <toke@toke.dk>
To:     Alexander Potapenko <glider@google.com>,
        Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>
Cc:     phil@philpotter.co.uk, ath9k-devel@qca.qualcomm.com,
        David Miller <davem@davemloft.net>,
        Jakub Kicinski <kuba@kernel.org>,
        Kalle Valo <kvalo@kernel.org>,
        LKML <linux-kernel@vger.kernel.org>,
        linux-wireless <linux-wireless@vger.kernel.org>,
        Networking <netdev@vger.kernel.org>,
        syzkaller-bugs <syzkaller-bugs@googlegroups.com>
Subject: Re: KMSAN: uninit-value in ath9k_htc_rx_msg
In-Reply-To: <CAG_fn=Wq51FMbty4c_RwjBSFWS1oceL1rOAUzCyRnGEzajQRAg@mail.gmail.com>
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Date:   Thu, 25 Aug 2022 17:55:40 +0200
Message-ID: <878rnc8ghv.fsf@toke.dk>
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Alexander Potapenko <glider@google.com> writes:

> On Thu, Aug 25, 2022 at 4:34 PM Tetsuo Handa
> <penguin-kernel@i-love.sakura.ne.jp> wrote:
>>
>> Hello.
> Hi Tetsuo,
>
>> I found that your patch was applied. But since the reproducer tested only 0 byte
>> case, I think that rejecting only less than sizeof(struct htc_frame_hdr) bytes
>> is not sufficient.
>>
>> More complete patch with Ack from Toke is waiting at
>> https://lkml.kernel.org/r/7acfa1be-4b5c-b2ce-de43-95b0593fb3e5@I-love.SAKURA.ne.jp .
>
> Thanks for letting me know! I just checked that your patch indeed
> fixes the issue I am facing.
> If it is more complete, I think we'd indeed better use yours.

FWIW, that patch is just waiting for Kalle to apply it, and I just
noticed this whole thread has used his old email address, so updating
that now as a gentle ping :)

-Toke