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authorMaciej Żenczykowski <maze@google.com>2023-06-05 04:06:54 -0700
committerSteffen Klassert <steffen.klassert@secunet.com>2023-06-09 08:16:34 +0200
commit1166a530a84758bb9e6b448fc8c195ed413f5ded (patch)
tree230364fc6f08e74bc483123d33815607d27b87a5 /net/ipv4
parentbf06fcf4be0feefebd27deb8b60ad262f4230489 (diff)
xfrm: fix inbound ipv4/udp/esp packets to UDPv6 dualstack sockets
Before Linux v5.8 an AF_INET6 SOCK_DGRAM (udp/udplite) socket with SOL_UDP, UDP_ENCAP, UDP_ENCAP_ESPINUDP{,_NON_IKE} enabled would just unconditionally use xfrm4_udp_encap_rcv(), afterwards such a socket would use the newly added xfrm6_udp_encap_rcv() which only handles IPv6 packets. Cc: Sabrina Dubroca <sd@queasysnail.net> Cc: Steffen Klassert <steffen.klassert@secunet.com> Cc: Jakub Kicinski <kuba@kernel.org> Cc: Benedict Wong <benedictwong@google.com> Cc: Yan Yan <evitayan@google.com> Fixes: 0146dca70b87 ("xfrm: add support for UDPv6 encapsulation of ESP") Signed-off-by: Maciej Żenczykowski <maze@google.com> Reviewed-by: Simon Horman <simon.horman@corigine.com> Reviewed-by: Sabrina Dubroca <sd@queasysnail.net> Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Diffstat (limited to 'net/ipv4')
-rw-r--r--net/ipv4/xfrm4_input.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/net/ipv4/xfrm4_input.c b/net/ipv4/xfrm4_input.c
index ad2afeef4f10..eac206a290d0 100644
--- a/net/ipv4/xfrm4_input.c
+++ b/net/ipv4/xfrm4_input.c
@@ -164,6 +164,7 @@ drop:
kfree_skb(skb);
return 0;
}
+EXPORT_SYMBOL(xfrm4_udp_encap_rcv);
int xfrm4_rcv(struct sk_buff *skb)
{