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(parent: c3b5f3b) | patch
udp: fix secpath leak
authorYossi Kuperman <yossiku@mellanox.com>
Fri, 1 Sep 2017 12:42:30 +0000 (14:42 +0200)
committerDavid S. Miller <davem@davemloft.net>
Fri, 1 Sep 2017 17:29:34 +0000 (10:29 -0700)
commit7322b0075b47ac327f0bb4ea25656be167a71b27
treee2b91d7b5e1c46edac87d37c7ecd2b218585c5cdtree | snapshot
parentc3b5f3b5e83077b07871c80b62535d052b0c1a1fcommit | diff
udp: fix secpath leak

After commit 27ce60e2a674 ("udp: preserve head state for IP_CMSG_PASSSEC")
we preserve the secpath for the whole skb lifecycle, but we also
end up leaking a reference to it.

We must clear the head state on skb reception, if secpath is
present.

Fixes: 27ce60e2a674 ("udp: preserve head state for IP_CMSG_PASSSEC")
Signed-off-by: Yossi Kuperman <yossiku@mellanox.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/ipv4/udp.c diff | blob | history
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