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由 Willem de Bruijn 提交于
Socket cmsg IP(V6)_RECVORIGDSTADDR checks that port range lies within the packet. For sockets that have transport headers pulled, transport offset can be negative. Use signed comparison to avoid overflow. Fixes: e6afc8ac ("udp: remove headers from UDP packets before queueing") Reported-by: NNisar Jagabar <njagabar@cloudmark.com> Signed-off-by: NWillem de Bruijn <willemb@google.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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