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| /openbmc/linux/net/ipv6/ |
| H A D | ip6_output.c | diff a0a9f33bdf8bf9061c31faab46d8eb46ff644622 Wed Jul 15 14:56:26 CDT 2015 Phil Sutter <phil@nwl.cc> net/ipv6: update flowi6_oif in ip6_dst_lookup_flow if not set
Newly created flows don't have flowi6_oif set (at least if the
associated socket is not interface-bound). This leads to a mismatch in
__xfrm6_selector_match() for policies which specify an interface in the
selector (sel->ifindex != 0).
Backtracing shows this happens in code-paths originating from e.g.
ip6_datagram_connect(), rawv6_sendmsg() or tcp_v6_connect(). (UDP was
not tested for.)
In summary, this patch fixes policy matching on outgoing interface for
locally generated packets.
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: David S. Miller <davem@davemloft.net>
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