Paolo Abeni 2e4b2aeb02 ipv6: route: enforce RCU protection in ip6_route_check_nh_onlink() ...

[ Upstream commit bf1dc8bad1 ]

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

Fixes: 4ed591c8ab ("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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2019-03-19 13:12:40 +01:00

134 KiB

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