Fix #77360: class_uses causes segfault

(cherry picked from commit 16c62a8)
php · Jan 7, 2019 · f45ed83 · f45ed83
1 parent 7d638d0
commit f45ed83
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Showing 3 changed files with 21 additions and 1 deletion.
diff --git a/NEWS b/NEWS
@@ -59,6 +59,7 @@ PHP                                                                        NEWS
 
 - SPL:
   . Fixed bug #77359 (spl_autoload causes segfault). (Lauri Kenttä)
+  . Fixed bug #77360 (class_uses causes segfault). (Lauri Kenttä)
 
 - SQLite3:
   . Fixed bug #77051 (Issue with re-binding on SQLite3). (BohwaZ)

diff --git a/ext/spl/php_spl.c b/ext/spl/php_spl.c
@@ -69,7 +69,7 @@ static zend_class_entry * spl_find_ce_by_name(zend_string *name, zend_bool autol
 		zend_string *lc_name = zend_string_tolower(name);
 
 		ce = zend_hash_find_ptr(EG(class_table), lc_name);
-		zend_string_free(lc_name);
+		zend_string_release(lc_name);
 	} else {
  		ce = zend_lookup_class(name);
  	}

diff --git a/ext/spl/tests/bug77360.phpt b/ext/spl/tests/bug77360.phpt
@@ -0,0 +1,19 @@
+--TEST--
+Bug #77360: class_uses causes segfault
+--FILE--
+<?php
+
+class foobar {}
+$str = "foo";
+$str .= "bar";
+var_dump(class_uses($str, false));
+var_dump(class_uses($str, false));
+var_dump($str);
+
+?>
+--EXPECT--
+array(0) {
+}
+array(0) {
+}
+string(6) "foobar"