route: fix crash parsing multihop route (rh #2081279)

0001-route-fix-crash-caused-by-parse_multipath-by-wrong-f.patch

@@ -0,0 +1,30 @@
+From 2bc7a785dbd4b882d32e20502d4f3518f8c7610b Mon Sep 17 00:00:00 2001
+From: Thomas Haller <thaller@redhat.com>
+Date: Tue, 3 May 2022 18:59:22 +0200
+Subject: [PATCH 1/1] route: fix crash caused by parse_multipath() by wrong
+ free()
+
+https://bugzilla.redhat.com/show_bug.cgi?id=2081279
+
+Fixes: b50be8fa869b ('rtnl/route: use cleanup attribute in "lib/route/route_obj.c"')
+(cherry picked from commit 9b0493646c20f3eecdf664e7e00c6c9162e04fba)
+---
+ lib/route/route_obj.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/lib/route/route_obj.c b/lib/route/route_obj.c
+index 4fdd23c19842..9441b77a76e5 100644
+--- a/lib/route/route_obj.c
++++ b/lib/route/route_obj.c
+@@ -1102,7 +1102,7 @@ static int parse_multipath(struct rtnl_route *route, struct nlattr *attr)
+ 			}
+ 		}
+ 
+-		rtnl_route_add_nexthop(route, nh);
++		rtnl_route_add_nexthop(route, _nl_steal_pointer(&nh));
+ 		tlen -= RTNH_ALIGN(rtnh->rtnh_len);
+ 		rtnh = RTNH_NEXT(rtnh);
+ 	}
+-- 
+2.35.1
+

libnl3.spec

@@ -1,6 +1,6 @@
 Name: libnl3
 Version: 3.6.0
-Release: 1%{?dist}
+Release: 2%{?dist}
 Summary: Convenience library for kernel netlink sockets
 License: LGPLv2
 URL: http://www.infradead.org/~tgr/libnl/
@@ -19,6 +19,7 @@ Source: http://www.infradead.org/~tgr/libnl/files/libnl-%{fullversion}.tar.gz
 Source1: http://www.infradead.org/~tgr/libnl/files/libnl-doc-%{fullversion}.tar.gz
 
 #Patch1: some.patch
+Patch1: 0001-route-fix-crash-caused-by-parse_multipath-by-wrong-f.patch
 
 
 BuildRequires: autoconf
@@ -153,6 +154,9 @@ popd
 %endif
 
 %changelog
+* Fri May  6 2022 Thomas Haller <thaller@redhat.com> - 3.6.0-2
+- route: fix crash parsing multihop route (rh #2081279)
+
 * Fri Apr 15 2022 Thomas Haller <thaller@redhat.com> - 3.6.0-1
 - Update to 3.6.0 release