netdev - Re: KMSAN: uninit-value in ath9k_htc_rx

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Date:   Thu, 25 Aug 2022 17:55:40 +0200
From:   Toke Høiland-Jørgensen <toke@...e.dk>
To:     Alexander Potapenko <glider@...gle.com>,
        Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>
Cc:     phil@...lpotter.co.uk, ath9k-devel@....qualcomm.com,
        David Miller <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Kalle Valo <kvalo@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        linux-wireless <linux-wireless@...r.kernel.org>,
        Networking <netdev@...r.kernel.org>,
        syzkaller-bugs <syzkaller-bugs@...glegroups.com>
Subject: Re: KMSAN: uninit-value in ath9k_htc_rx_msg

Alexander Potapenko <glider@...gle.com> writes:

> On Thu, Aug 25, 2022 at 4:34 PM Tetsuo Handa
> <penguin-kernel@...ove.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