netdev - Re: KMSAN: uninit-value in ath9k_htc_rx

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Message-ID: <87a67nhapy.fsf@kernel.org>
Date:   Mon, 29 Aug 2022 08:36:57 +0300
From:   Kalle Valo <kvalo@...nel.org>
To:     Toke Høiland-Jørgensen <toke@...e.dk>
Cc:     Alexander Potapenko <glider@...gle.com>,
        Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>,
        phil@...lpotter.co.uk, ath9k-devel@....qualcomm.com,
        David Miller <davem@...emloft.net>,
        Jakub Kicinski <kuba@...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

Toke Høiland-Jørgensen <toke@...e.dk> writes:

> 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 :)

I was on vacation but back now, I'll start processing patches soon.

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