From: Xin Long Date: Sun, 28 Feb 2016 02:03:51 +0000 (+0800) Subject: sctp: lack the check for ports in sctp_v6_cmp_addr X-Git-Tag: v3.2.80~14 X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=commitdiff_plain;h=ceae7c032f44ba08de4a325100b77bc9abdc0fbd sctp: lack the check for ports in sctp_v6_cmp_addr [ Upstream commit 40b4f0fd74e46c017814618d67ec9127ff20f157 ] As the member .cmp_addr of sctp_af_inet6, sctp_v6_cmp_addr should also check the port of addresses, just like sctp_v4_cmp_addr, cause it's invoked by sctp_cmp_addr_exact(). Now sctp_v6_cmp_addr just check the port when two addresses have different family, and lack the port check for two ipv6 addresses. that will make sctp_hash_cmp() cannot work well. so fix it by adding ports comparison in sctp_v6_cmp_addr(). Signed-off-by: Xin Long Signed-off-by: David S. Miller Signed-off-by: Ben Hutchings --- diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c index 054c6a285661..428fa6f69bd8 100644 --- a/net/sctp/ipv6.c +++ b/net/sctp/ipv6.c @@ -515,6 +515,8 @@ static int sctp_v6_cmp_addr(const union sctp_addr *addr1, } return 0; } + if (addr1->v6.sin6_port != addr2->v6.sin6_port) + return 0; if (!ipv6_addr_equal(&addr1->v6.sin6_addr, &addr2->v6.sin6_addr)) return 0; /* If this is a linklocal address, compare the scope_id. */