From mboxrd@z Thu Jan  1 00:00:00 1970
From: Oliver Neukum <oneukum@suse.com>
Subject: Re: [PATCH net,stable] net: cdc_ether: fix divide by 0 on bad
 descriptors
Date: Mon, 06 Nov 2017 15:35:40 +0100
Message-ID: <1509978940.2024.34.camel@suse.com>
References: <20171106143722.3171-1-bjorn@mork.no>
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Cc: Dmitry Vyukov <dvyukov@google.com>,
        Kostya Serebryany <kcc@google.com>, syzkaller@googlegroups.com,
        linux-usb@vger.kernel.org
To: =?ISO-8859-1?Q?Bj=F8rn?= Mork <bjorn@mork.no>,
        netdev@vger.kernel.org
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Am Montag, den 06.11.2017, 15:37 +0100 schrieb Bjørn Mork :
> Setting dev->hard_mtu to 0 will cause a divide error in
> usbnet_probe. Protect against devices with bogus CDC Ethernet
> functional descriptors by ignoring a zero wMaxSegmentSize.
> 
> Signed-off-by: Bjørn Mork <bjorn@mork.no>
Acked-by: Oliver Neukum <oneukum@suse.com>