Merge branch 'PHP-7.2' into PHP-7.3

* PHP-7.2: Fix #78665: Multicasting may leak memory

Author: cmb69

NEWS

@@ -11,6 +11,9 @@ PHP NEWS
  . Fixed bug #78642 (Wrong libiconv version displayed). (gedas at martynas,
  cmb).
 
+- Sockets:
+ . Fixed bug #78665 (Multicasting may leak memory). (cmb)
+
 24 Oct 2019, PHP 7.3.11
 
 - Core:

ext/sockets/multicast.c

@@ -646,6 +646,7 @@ int php_if_index_to_addr4(unsigned if_index, php_socket *php_sock, struct in_add
 goto retry;
 }
 if (retval != NO_ERROR) {
+efree(addr_table);
 php_error_docref(NULL, E_WARNING,
 "GetIpAddrTable failed with error %lu", retval);
 return FAILURE;
@@ -654,9 +655,11 @@ int php_if_index_to_addr4(unsigned if_index, php_socket *php_sock, struct in_add
 MIB_IPADDRROW r = addr_table->table[i];
 if (r.dwIndex == if_index) {
 out_addr->s_addr = r.dwAddr;
+efree(addr_table);
 return SUCCESS;
 }
 }
+efree(addr_table);
 php_error_docref(NULL, E_WARNING,
 "No interface with index %u was found", if_index);
 return FAILURE;
@@ -686,6 +689,7 @@ int php_add4_to_if_index(struct in_addr *addr, php_socket *php_sock, unsigned *i
 goto retry;
 }
 if (retval != NO_ERROR) {
+efree(addr_table);
 php_error_docref(NULL, E_WARNING,
 "GetIpAddrTable failed with error %lu", retval);
 return FAILURE;
@@ -694,9 +698,11 @@ int php_add4_to_if_index(struct in_addr *addr, php_socket *php_sock, unsigned *i
 MIB_IPADDRROW r = addr_table->table[i];
 if (r.dwAddr == addr->s_addr) {
 *if_index = r.dwIndex;
+efree(addr_table);
 return SUCCESS;
 }
 }
+efree(addr_table);
 
 {
 char addr_str[17] = {0};