netdev - Re: [PATCH stable 3.7+] fib_frontend: fix possible NULL pointer dereference

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Message-ID: <1390479993.27806.49.camel@edumazet-glaptop2.roam.corp.google.com>
Date:	Thu, 23 Jan 2014 04:26:33 -0800
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Oliver Hartkopp <socketcan@...tkopp.net>
Cc:	David Miller <davem@...emloft.net>,
	Linux Netdev List <netdev@...r.kernel.org>
Subject: Re: [PATCH stable 3.7+] fib_frontend: fix possible NULL pointer
 dereference

On Thu, 2014-01-23 at 10:19 +0100, Oliver Hartkopp wrote:
> The two commits 0115e8e30d (net: remove delay at device dismantle) and
> 748e2d9396a (net: reinstate rtnl in call_netdevice_notifiers()) silently
> removed a NULL pointer check for in_dev since Linux 3.7.
> 
> This patch re-introduces this check as it causes crashing the kernel when
> setting small mtu values on non-ip capable netdevices.
> 
> Signed-off-by: Oliver Hartkopp <socketcan@...tkopp.net>
> 
> ---

Thanks for the fix !

Acked-by: Eric Dumazet <edumazet@...gle.com>


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