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Date:   Wed, 20 May 2020 21:00:12 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     edumazet@...gle.com
Cc:     netdev@...r.kernel.org, eric.dumazet@...il.com,
        syzkaller@...glegroups.com
Subject: Re: [PATCH net] ax24: fix setsockopt(SO_BINDTODEVICE)

From: Eric Dumazet <edumazet@...gle.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@...gle.com>
> Reported-by: syzbot <syzkaller@...glegroups.com>

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

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