pimd: fix missing igmp mtrace length check

[mirror_frr.git] / pimd / pim_vty.c

diff --git a/pimd/pim_vty.c b/pimd/pim_vty.c
index 1c4ecf299f60c3726d3ab4c9fe139532bd402648..c48ec373f844c526f049a22dc9f9c77b5339bc96 100644 (file)
--- a/pimd/pim_vty.c
+++ b/pimd/pim_vty.c
@@ -379,13 +379,19 @@ int pim_interface_config_write(struct vty *vty)
                                                        ij->group_addr,
                                                        group_str,
                                                        sizeof(group_str));
-                                               inet_ntop(AF_INET,
-                                                         &ij->source_addr,
-                                                         source_str,
-                                                         sizeof(source_str));
-                                               vty_out(vty,
-                                                       " ip igmp join %s %s\n",
-                                                       group_str, source_str);
+                                               if (ij->source_addr.s_addr == INADDR_ANY) {
+                                                       vty_out(vty,
+                                                               " ip igmp join %s\n",
+                                                               group_str);
+                                               } else {
+                                                       inet_ntop(AF_INET,
+                                                                 &ij->source_addr,
+                                                                 source_str,
+                                                                 sizeof(source_str));
+                                                       vty_out(vty,
+                                                               " ip igmp join %s %s\n",
+                                                               group_str, source_str);
+                                               }
                                                ++writes;
                                        }
                                }