netdev - Re: [PATCH net-next] net/ipv6: Fix ip6_convert

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Date:   Fri, 20 Apr 2018 11:36:50 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     edumazet@...gle.com
Cc:     netdev@...r.kernel.org, eric.dumazet@...il.com,
        dsa@...ulusnetworks.com
Subject: Re: [PATCH net-next] net/ipv6: Fix ip6_convert_metrics() bug

From: Eric Dumazet <edumazet@...gle.com>
Date: Thu, 19 Apr 2018 09:14:53 -0700

> If ip6_convert_metrics() fails to allocate memory, it should not
> overwrite rt->fib6_metrics or we risk a crash later as syzbot found.
 ...
> Fixes: d4ead6b34b67 ("net/ipv6: move metrics from dst to rt6_info")
> Signed-off-by: Eric Dumazet <edumazet@...gle.com>
> Cc: David Ahern <dsa@...ulusnetworks.com>
> Reported-by: syzbot <syzkaller@...glegroups.com>

Applied, thanks Eric.