netdev - Re: [PATCH net] sch_cbq: validate TCA_CBQ

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Message-Id: <20190930.110848.1999516357100146209.davem@davemloft.net>
Date:   Mon, 30 Sep 2019 11:08:48 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     eric.dumazet@...il.com
Cc:     edumazet@...gle.com, netdev@...r.kernel.org,
        syzkaller@...glegroups.com
Subject: Re: [PATCH net] sch_cbq: validate TCA_CBQ_WRROPT to avoid crash

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Fri, 27 Sep 2019 12:57:45 -0700

> 
> 
> On 9/27/19 11:55 AM, David Miller wrote:
>> From: Eric Dumazet <edumazet@...gle.com>
>> Date: Thu, 26 Sep 2019 18:24:43 -0700
>> 
>>> syzbot reported a crash in cbq_normalize_quanta() caused
>>> by an out of range cl->priority.
>>  ...
>>> Signed-off-by: Eric Dumazet <edumazet@...gle.com>
>>> Reported-by: syzbot <syzkaller@...glegroups.com>
>> 
>> Fixes: tag?  -stable?
>> 
> 
> I guess I feel always a bit sad to add :
> 
> Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")

Please always add it.... so that we can cry together.

Applied and queued up for -stable, thanks.