fix double free

(cherry picked from commit 82e4cc63c8f29a9b2cba0edcf50cc90648a27d83)

backport-fix-double-free-in-init_transport.patch

@@ -0,0 +1,35 @@
+From 1e00cd123044661fd4f921d1e7216ed9255bb3d1 Mon Sep 17 00:00:00 2001
+From: "Dmitry V. Levin" <ldv@altlinux.org>
+Date: Tue, 1 Feb 2022 08:46:40 -0500
+Subject: [PATCH] rpcbind: fix double free in init_transport
+
+$ rpcbind -h 127.0.0.1
+free(): double free detected in tcache 2
+Aborted
+
+Fixes: a6889bba949b ("Removed resource leaks from src/rpcbind.c")
+Resolves: https://sourceforge.net/p/rpcbind/bugs/6/
+Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
+Signed-off-by: Steve Dickson <steved@redhat.com>
+---
+ src/rpcbind.c | 4 +++-
+ 1 file changed, 3 insertions(+), 1 deletion(-)
+
+diff --git a/src/rpcbind.c b/src/rpcbind.c
+index 25d8a90..ecebe97 100644
+--- a/src/rpcbind.c
++++ b/src/rpcbind.c
+@@ -552,8 +552,10 @@ init_transport(struct netconfig *nconf)
+ 				syslog(LOG_ERR, "cannot bind %s on %s: %m",
+ 					(hosts[nhostsbak] == NULL) ? "*" :
+ 					hosts[nhostsbak], nconf->nc_netid);
+-				if (res != NULL)
++				if (res != NULL) {
+ 					freeaddrinfo(res);
++					res = NULL;
++				}
+ 				continue;
+ 			} else
+ 				checkbind++;
+-- 
+1.8.3.1

rpcbind.spec

@@ -3,7 +3,7 @@
 
 Name:              rpcbind
 Version:           1.2.6
-Release:           2
+Release:           3
 Summary:           Universal addresses to RPC program number mapper
 License:           BSD
 
@@ -27,6 +27,7 @@ Patch103: 	   %{name}-0.2.4-systemd-service.patch
 Patch104: 	   %{name}-0.2.4-systemd-rundir.patch
 Patch105:          bugfix-rpcbind-GETADDR-return-client-ip.patch
 Patch6001: 	   CVE-2017-8779.patch
+Patch6002: 	   backport-fix-double-free-in-init_transport.patch
 Patch9000: 	   bugfix-listen-tcp-port-111.patch
 
 Provides: 	   portmap = %{version}-%{release}
@@ -116,6 +117,12 @@ fi
 %{_mandir}/man8/*.8.gz
 
 %changelog
+* Mon Feb 28 2022 quanhongfei <quanhongfei@h-partners.com> - 1.2.6-3
+- Type:bugfix
+- Id:NA
+- SUG:NA
+- DESC:fix double free in init_transport
+
 * Wed Feb 09 2022 yanglu <yanglu72@huawei.com> - 1.2.6-2
 - Type:bugfix
 - Id:NA