Fix use-of-uninitialized-value of EG(last_fatal_error_backtrace) with…

… ZTS (GH-17639) Static variables are zeroed, but ts memory is not. Hence, we need to do it ourselves.
php · Jan 31, 2025 · 16c9652 · 16c9652
1 parent b4f275f
commit 16c9652
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/Zend/zend.c b/Zend/zend.c
@@ -1050,6 +1050,8 @@ void zend_startup(zend_utility_functions *utility_functions) /* {{{ */
 	CG(map_ptr_last) = 0;
 #endif /* ZTS */
 	EG(error_reporting) = E_ALL & ~E_NOTICE;
+	EG(fatal_error_backtrace_on) = false;
+	ZVAL_UNDEF(&EG(last_fatal_error_backtrace));
 
 	zend_interned_strings_init();
 	zend_startup_builtin_functions();