Fix bug #61981

Author: Boris Lytochkin

ext/snmp/snmp.c

@@ -832,9 +832,9 @@ static void php_snmp_internal(INTERNAL_FUNCTION_PARAMETERS, int st,
 							}
 						} else if (st & SNMP_USE_SUFFIX_AS_KEYS && st & SNMP_CMD_WALK) {
 							snprint_objid(buf2, sizeof(buf2), vars->name, vars->name_length);
-							if (objid_query->vars[0].name_length <= vars->name_length && snmp_oid_compare(objid_query->vars[0].name, objid_query->vars[0].name_length, vars->name, objid_query->vars[0].name_length) == 0) {
+							if (rootlen <= vars->name_length && snmp_oid_compare(root, rootlen, vars->name, rootlen) == 0) {
 								buf2[0] = '\0';
-								count = objid_query->vars[0].name_length;
+								count = rootlen;
 								while(count < vars->name_length){
 									sprintf(buf, "%lu.", vars->name[count]);
 									strcat(buf2, buf);

ext/snmp/tests/snmp-object.phpt

@@ -83,6 +83,19 @@ var_dump(gettype($z));
 var_dump(count($z));
 var_dump(key($z));
 var_dump(array_shift($z));
+var_dump(key($z));
+array_shift($z);
+var_dump(key($z));
+array_shift($z);
+var_dump(key($z));
+array_shift($z);
+var_dump(key($z));
+array_shift($z);
+var_dump(key($z));
+array_shift($z);
+var_dump(key($z));
+array_shift($z);
+var_dump(key($z));
 var_dump($session->close());
 
 echo "SNMPv3 (default security settings)\n";
@@ -194,6 +207,13 @@ string(5) "array"
 int(%d)
 string(3) "1.0"
 string(%d) "%s"
+string(3) "2.0"
+string(3) "3.0"
+string(3) "4.0"
+string(3) "5.0"
+string(3) "6.0"
+string(3) "7.0"
+string(3) "8.0"
 bool(true)
 SNMPv3 (default security settings)
 string(%d) "%S"