From: Dmitry Stogov Date: Fri, 23 Jan 2015 14:10:05 +0000 (+0300) Subject: Fixed possible double free of class static members X-Git-Tag: PRE_PHP7_REMOVALS~25^2~16 X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=a7f1bf3ec5b9b7849bbde6730235c597c299bcd1;p=php Fixed possible double free of class static members --- diff --git a/Zend/zend_opcode.c b/Zend/zend_opcode.c index 9f25784940..aa2abb2f6b 100644 --- a/Zend/zend_opcode.c +++ b/Zend/zend_opcode.c @@ -151,13 +151,15 @@ ZEND_API void zend_cleanup_user_class_data(zend_class_entry *ce) } if (ce->static_members_table) { zval *static_members = ce->static_members_table; + int count = ce->default_static_members_count; int i; - ce->static_members_table = NULL; - for (i = 0; i < ce->default_static_members_count; i++) { + ce->default_static_members_count = 0; + ce->default_static_members_table = ce->static_members_table = NULL; + for (i = 0; i < count; i++) { zval_ptr_dtor(&static_members[i]); - ZVAL_UNDEF(&static_members[i]); } + efree(static_members); } }