Patch from Fedora https://src.fedoraproject.org/rpms/libtirpc/raw/master/f/libtirpc-1.0.4-rc1.patch

Upstream-Status: Backport
Signed-off-by: Khem Raj <raj.khem@gmail.com>

diff --git a/src/clnt_generic.c b/src/clnt_generic.c
index e5a314f..3f3dabf 100644
--- a/src/clnt_generic.c
+++ b/src/clnt_generic.c
@@ -47,7 +47,6 @@
 
 extern bool_t __rpc_is_local_host(const char *);
 int __rpc_raise_fd(int);
-extern int __binddynport(int fd);
 
 #ifndef NETIDLEN
 #define	NETIDLEN 32
@@ -341,8 +340,7 @@ clnt_tli_create(int fd, const struct netconfig *nconf,
 		servtype = nconf->nc_semantics;
 		if (!__rpc_fd2sockinfo(fd, &si))
 			goto err;
-		if (__binddynport(fd) == -1)
-			goto err;
+		bindresvport(fd, NULL);
 	} else {
 		if (!__rpc_fd2sockinfo(fd, &si))
 			goto err;
diff --git a/src/rpc_soc.c b/src/rpc_soc.c
index af6c482..5a6eeb7 100644
--- a/src/rpc_soc.c
+++ b/src/rpc_soc.c
@@ -67,8 +67,6 @@
 
 extern mutex_t	rpcsoc_lock;
 
-extern int __binddynport(int fd);
-
 static CLIENT *clnt_com_create(struct sockaddr_in *, rpcprog_t, rpcvers_t,
     int *, u_int, u_int, char *, int);
 static SVCXPRT *svc_com_create(int, u_int, u_int, char *);
@@ -147,8 +145,7 @@ clnt_com_create(raddr, prog, vers, sockp, sendsz, recvsz, tp, flags)
 	bindaddr.maxlen = bindaddr.len =  sizeof (struct sockaddr_in);
 	bindaddr.buf = raddr;
 
-	if (__binddynport(fd) == -1)
-		goto err;
+	bindresvport(fd, NULL);
 	cl = clnt_tli_create(fd, nconf, &bindaddr, prog, vers,
 				sendsz, recvsz);
 	if (cl) {
diff --git a/src/rpcb_clnt.c b/src/rpcb_clnt.c
index a94fc73..4b44364 100644
--- a/src/rpcb_clnt.c
+++ b/src/rpcb_clnt.c
@@ -752,7 +752,7 @@ __try_protocol_version_2(program, version, nconf, host, tp)
 
 	client = getpmaphandle(nconf, host, &parms.r_addr);
 	if (client == NULL)
-		return (NULL);
+		goto error;
 
 	/*
 	 * Set retry timeout.
@@ -771,11 +771,11 @@ __try_protocol_version_2(program, version, nconf, host, tp)
 	if (clnt_st != RPC_SUCCESS) {
 		rpc_createerr.cf_stat = RPC_PMAPFAILURE;
 		clnt_geterr(client, &rpc_createerr.cf_error);
-		return (NULL);
+		goto error;
 	} else if (port == 0) {
 		pmapaddress = NULL;
 		rpc_createerr.cf_stat = RPC_PROGNOTREGISTERED;
-		return (NULL);
+		goto error;
 	}
 	port = htons(port);
 	CLNT_CONTROL(client, CLGET_SVC_ADDR, (char *)&remote);
@@ -789,14 +789,24 @@ __try_protocol_version_2(program, version, nconf, host, tp)
 			free(pmapaddress);
 			pmapaddress = NULL;
 		}
-		return (NULL);
+		goto error;
 	}
 	memcpy(pmapaddress->buf, remote.buf, remote.len);
 	memcpy(&((char *)pmapaddress->buf)[sizeof (short)],
 			(char *)(void *)&port, sizeof (short));
 	pmapaddress->len = pmapaddress->maxlen = remote.len;
 
+	CLNT_DESTROY(client);
 	return pmapaddress;
+
+error:
+	if (client) {
+		CLNT_DESTROY(client);
+		client = NULL;
+
+	}
+	return (NULL);
+
 }
 #endif