Merge branch 'PHP-8.1' into PHP-8.2

* PHP-8.1:
  Fix GH-8789 and GH-10015: Fix ZTS zend signal crashes due to NULL globals

Author: ndossche

NEWS

@@ -13,6 +13,10 @@ PHP                                                                        NEWS
     (mvorisek)
   . Fixed bug GH-10801 (Named arguments in CTE functions cause a segfault).
     (nielsdos)
+  . Fixed bug GH-8789 (PHP 8.0.20 (ZTS) zend_signal_handler_defer crashes on
+    apache). (nielsdos)
+  . Fixed bug GH-10015 (zend_signal_handler_defer crashes on apache shutdown).
+    (nielsdos)
 
 - Date:
   . Fixed bug GH-10747 (Private and protected properties in serialized Date*

Zend/zend_signal.c

@@ -87,8 +87,10 @@ void zend_signal_handler_defer(int signo, siginfo_t *siginfo, void *context)
 	zend_signal_queue_t *queue, *qtmp;
 
 #ifdef ZTS
-	/* A signal could hit after TSRM shutdown, in this case globals are already freed. */
-	if (tsrm_is_shutdown()) {
+	/* A signal could hit after TSRM shutdown, in this case globals are already freed.
+	 * Or it could be delivered to a thread that didn't execute PHP yet.
+	 * In the latter case we act as if SIGG(active) is false. */
+	if (tsrm_is_shutdown() || !tsrm_get_ls_cache()) {
 		/* Forward to default handler handler */
 		zend_signal_handler(signo, siginfo, context);
 		return;
@@ -180,7 +182,7 @@ static void zend_signal_handler(int signo, siginfo_t *siginfo, void *context)
 	sigset_t sigset;
 	zend_signal_entry_t p_sig;
 #ifdef ZTS
-	if (tsrm_is_shutdown()) {
+	if (tsrm_is_shutdown() || !tsrm_get_ls_cache()) {
 		p_sig.flags = 0;
 		p_sig.handler = SIG_DFL;
 	} else