Merge branch 'PHP-8.0' into PHP-8.1

* PHP-8.0: Don't try to access memory outside string
stixpjr · Mar 28, 2022 · 187a0e4 · 187a0e4
2 parents 5f20f9f + 2119ba2
commit 187a0e4
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/ext/filter/logical_filters.c b/ext/filter/logical_filters.c
@@ -517,7 +517,7 @@ static int _php_filter_validate_domain(char * domain, size_t len, zend_long flag
 	t = e - 1;
 
 	/* Ignore trailing dot */
-	if (*t == '.') {
+	if (l > 0 && *t == '.') {
 		e = t;
 		l--;
 	}