netdev - Re: [syzbot] divide error in usbnet_start

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Message-ID: <db0817c7-a918-dbb6-d6ca-e69d14d0d134@suse.com>
Date:   Tue, 19 Oct 2021 12:04:31 +0200
From:   Oliver Neukum <oneukum@...e.com>
To:     Johan Hovold <johan@...nel.org>, Oliver Neukum <oneukum@...e.com>
CC:     syzbot <syzbot+76bb1d34ffa0adc03baa@...kaller.appspotmail.com>,
        linux-usb@...r.kernel.org, netdev@...r.kernel.org,
        syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] divide error in usbnet_start_xmit

On 19.10.21 11:23, Johan Hovold wrote:

> Just bail out; what can you do with a 1-byte packet size? Also compare
> usbnet_get_endpoints() where such endpoints are ignored.

OK. We'd accept a 1 now, though. Can you think of a sensible lower bound?

    Regards
        Oliver