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ipv6: route: enforce RCU protection in ip6_route_check_nh_onlink()
authorPaolo Abeni <pabeni@redhat.com>
Thu, 21 Feb 2019 10:19:42 +0000 (11:19 +0100)
committerDavid S. Miller <davem@davemloft.net>
Thu, 21 Feb 2019 17:54:35 +0000 (09:54 -0800)
commitbf1dc8bad1d42287164d216d8efb51c5cd381b18
tree215c82e1182600e409e4b623b7d026671d071582
parent193f3685d0546b0cea20c99894aadb70098e47bf
ipv6: route: enforce RCU protection in ip6_route_check_nh_onlink()

We need a RCU critical section around rt6_info->from deference, and
proper annotation.

Fixes: 4ed591c8ab44 ("net/ipv6: Allow onlink routes to have a device mismatch if it is the default route")
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/ipv6/route.c