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Message-ID: <tencent_5CE6CD937FE377496123A8A454F77F977805@qq.com>
Date: Mon, 26 Aug 2024 21:06:16 +0800
From: Edward Adam Davis <eadavis@...com>
To: kvalo@...nel.org
Cc: eadavis@...com,
gregkh@...uxfoundation.org,
linux-kernel@...r.kernel.org,
linux-usb@...r.kernel.org,
linux-wireless@...r.kernel.org,
netdev@...r.kernel.org,
syzbot+92c6dd14aaa230be6855@...kaller.appspotmail.com,
syzkaller-bugs@...glegroups.com
Subject: Re: [PATCH V2] wifi: ath6kl: Replace ath6kl_usb_submit_ctrl_in with usb_control_msg_recv
On Mon, 26 Aug 2024 14:42:00 +0300, Kalle Valo wrote:
> > ath6kl_usb_submit_ctrl_in() did not take into account the situation where
> > the length of the data read from the device is not equal to the len, and
> > such missing judgments will result in subsequent code using incorrect data.
> >
> > usb_control_msg_recv() handles the abnormal length of the returned data,
> > so using it directly can fix this warning.
> >
> > Reported-by: syzbot+92c6dd14aaa230be6855@...kaller.appspotmail.com
> > Signed-off-by: Edward Adam Davis <eadavis@...com>
>
> Did you test this on real ath6kl hardware?
I don't have ath6kl hardware, I have only tested it on a virtual machine.
BR,
Edward
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