netdev - Re: [PATCH v2 net] ipv6: fix crash on ICMPv6 redirects with prohibited/blackholed source

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Message-Id: <20151102.163045.778833465670959622.davem@davemloft.net>
Date:	Mon, 02 Nov 2015 16:30:45 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	mschiffer@...verse-factory.net
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH v2 net] ipv6: fix crash on ICMPv6 redirects with
 prohibited/blackholed source

From: Matthias Schiffer <mschiffer@...verse-factory.net>
Date: Mon,  2 Nov 2015 01:24:38 +0100

> There are other error values besides ip6_null_entry that can be returned by
> ip6_route_redirect(): fib6_rule_action() can also result in
> ip6_blk_hole_entry and ip6_prohibit_entry if such ip rules are installed.
> 
> Only checking for ip6_null_entry in rt6_do_redirect() causes ip6_ins_rt()
> to be called with rt->rt6i_table == NULL in these cases, making the kernel
> crash.
> 
> Signed-off-by: Matthias Schiffer <mschiffer@...verse-factory.net>

Applied.
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