netdev - Re: [UNTESTED PATCH] net/usb: kalmia: Fix uninit-value in kalmia_send_init

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Date:   Tue, 31 Jan 2023 12:37:48 +0100
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Miko Larsson <mikoxyzzz@...il.com>
Cc:     "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>, linux-usb@...r.kernel.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [UNTESTED PATCH] net/usb: kalmia: Fix uninit-value in
 kalmia_send_init_packet

On Tue, Jan 31, 2023 at 12:14:54PM +0100, Miko Larsson wrote:
> >From ef617d8df22945b871ab989e25c07d7c60ae21f6 Mon Sep 17 00:00:00 2001
> From: Miko Larsson <mikoxyzzz@...il.com>
> Date: Tue, 31 Jan 2023 11:01:20 +0100

Why is this in the changelog text?

> Subject: [UNTESTED PATCH] net/usb: kalmia: Fix uninit-value in kalmia_send_init_packet
> 
> syzbot reports that act_len in kalmia_send_init_packet() is
> uninitialized. Attempt to fix this by initializing it to 0.

You can send patches to syzbot to have it test things, have you tried
that?

thanks,

greg k-h