netdev - Re: [PATCH net] nsh: fix infinite loop

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Message-Id: <20180504.125544.1266750393962667377.davem@davemloft.net>
Date:   Fri, 04 May 2018 12:55:44 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     edumazet@...gle.com
Cc:     netdev@...r.kernel.org, eric.dumazet@...il.com, jbenc@...hat.com
Subject: Re: [PATCH net] nsh: fix infinite loop

From: Eric Dumazet <edumazet@...gle.com>
Date: Thu,  3 May 2018 13:37:54 -0700

> syzbot caught an infinite recursion in nsh_gso_segment().
> 
> Problem here is that we need to make sure the NSH header is of
> reasonable length.
 ...
> Fixes: c411ed854584 ("nsh: add GSO support")
> Signed-off-by: Eric Dumazet <edumazet@...gle.com>
> Cc: Jiri Benc <jbenc@...hat.com>
> Reported-by: syzbot <syzkaller@...glegroups.com>

Applied and queued up for -stable, thanks Eric.