linux-kernel - RE: [syzbot] WARNING in rtl8152

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Message-ID: <d7ea3cfd8bde4b8ba7ed6ea4c545c9dc@realtek.com>
Date:   Fri, 14 May 2021 10:32:24 +0000
From:   Hayes Wang <hayeswang@...ltek.com>
To:     Greg KH <greg@...ah.com>
CC:     Alan Stern <stern@...land.harvard.edu>,
        syzbot <syzbot+95afd23673f5dd295c57@...kaller.appspotmail.com>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "kuba@...nel.org" <kuba@...nel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "syzkaller-bugs@...glegroups.com" <syzkaller-bugs@...glegroups.com>,
        nic_swsd <nic_swsd@...ltek.com>
Subject: RE: [syzbot] WARNING in rtl8152_probe

Greg KH <greg@...ah.com>
> Sent: Friday, May 14, 2021 4:27 PM
[...]
> Checking the whole USB decriptor is fine, yes, they can duplicate that.
> So that means you need to validate _ALL_ data coming from the device
> that it is in an acceptable range of values that the driver can
> correctly handle.

I see.

Best Regards,
Hayes