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Date:   Wed, 20 May 2020 21:00:12 -0700 (PDT)
Message-Id: <20200520.210012.1620040824637283139.davem@davemloft.net>
To:     edumazet@google.com
Cc:     netdev@vger.kernel.org, eric.dumazet@gmail.com,
        syzkaller@googlegroups.com
Subject: Re: [PATCH net] ax24: fix setsockopt(SO_BINDTODEVICE)
From:   David Miller <davem@davemloft.net>
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From: Eric Dumazet <edumazet@google.com>
Date: Tue, 19 May 2020 18:24:43 -0700

> syzbot was able to trigger this trace [1], probably by using
> a zero optlen.
> 
> While we are at it, cap optlen to IFNAMSIZ - 1 instead of IFNAMSIZ.
> 
> [1]
 ...
> Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
> Signed-off-by: Eric Dumazet <edumazet@google.com>
> Reported-by: syzbot <syzkaller@googlegroups.com>

Applied and queued up for -stable with s/ax24/ax25/, thanks.