From: Pablo Neira pablo@netfilter.org
commit 73e2d5e34b6cdd1080038daf3d6d6d744a9eefe6 upstream.
Honor udptable parameter that is passed to __udp*_lib_mcast_deliver(), otherwise udplite broadcast/multicast use the wrong table and it breaks.
Fixes: 2dc41cff7545 ("udp: Use hash2 for long hash1 chains in __udp*_lib_mcast_deliver.") Signed-off-by: Pablo Neira Ayuso pablo@netfilter.org Acked-by: Eric Dumazet edumazet@google.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- net/ipv4/udp.c | 6 +++--- net/ipv6/udp.c | 6 +++--- 2 files changed, 6 insertions(+), 6 deletions(-)
--- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -1685,10 +1685,10 @@ static int __udp4_lib_mcast_deliver(stru
if (use_hash2) { hash2_any = udp4_portaddr_hash(net, htonl(INADDR_ANY), hnum) & - udp_table.mask; - hash2 = udp4_portaddr_hash(net, daddr, hnum) & udp_table.mask; + udptable->mask; + hash2 = udp4_portaddr_hash(net, daddr, hnum) & udptable->mask; start_lookup: - hslot = &udp_table.hash2[hash2]; + hslot = &udptable->hash2[hash2]; offset = offsetof(typeof(*sk), __sk_common.skc_portaddr_node); }
--- a/net/ipv6/udp.c +++ b/net/ipv6/udp.c @@ -801,10 +801,10 @@ static int __udp6_lib_mcast_deliver(stru
if (use_hash2) { hash2_any = udp6_portaddr_hash(net, &in6addr_any, hnum) & - udp_table.mask; - hash2 = udp6_portaddr_hash(net, daddr, hnum) & udp_table.mask; + udptable->mask; + hash2 = udp6_portaddr_hash(net, daddr, hnum) & udptable->mask; start_lookup: - hslot = &udp_table.hash2[hash2]; + hslot = &udptable->hash2[hash2]; offset = offsetof(typeof(*sk), __sk_common.skc_portaddr_node); }