dmitry Thu, 10 Jun 2010 11:45:51 +0000 Revision: http://svn.php.net/viewvc?view=revision&revision=300350
Log: Fixed bug #51822i (Segfault with strange __destruct() for static class variables) Bug: http://bugs.php.net/51822 (Assigned) Segfault with strange __destruct() for static class variables Changed paths: U php/php-src/branches/PHP_5_2/NEWS A php/php-src/branches/PHP_5_2/Zend/tests/bug51822.phpt U php/php-src/branches/PHP_5_2/Zend/zend_opcode.c A php/php-src/branches/PHP_5_3/Zend/tests/bug51822.phpt U php/php-src/branches/PHP_5_3/Zend/zend_opcode.c A php/php-src/trunk/Zend/tests/bug51822.phpt U php/php-src/trunk/Zend/zend_opcode.c Modified: php/php-src/branches/PHP_5_2/NEWS =================================================================== --- php/php-src/branches/PHP_5_2/NEWS 2010-06-10 11:31:47 UTC (rev 300349) +++ php/php-src/branches/PHP_5_2/NEWS 2010-06-10 11:45:51 UTC (rev 300350) @@ -22,6 +22,8 @@ - Fixed bug #51905 (ReflectionParameter fails if default value is an array with an access to self::). (Felipe) constant array). (Felipe) +- Fixed bug #51822i (Segfault with strange __destruct() for static class + variables). (Dmitry) - Fixed bug #51671 (imagefill does not work correctly for small images). (Pierre) - Fixed bug #51670 (getColumnMeta causes segfault when re-executing query Added: php/php-src/branches/PHP_5_2/Zend/tests/bug51822.phpt =================================================================== --- php/php-src/branches/PHP_5_2/Zend/tests/bug51822.phpt (rev 0) +++ php/php-src/branches/PHP_5_2/Zend/tests/bug51822.phpt 2010-06-10 11:45:51 UTC (rev 300350) @@ -0,0 +1,40 @@ +--TEST-- +Bug #51822 (Segfault with strange __destruct() for static class variables) +--FILE-- +<?php +class DestructableObject +{ + public function __destruct() + { + echo "2\n"; + } +} + +class DestructorCreator +{ + public function __destruct() + { + $this->test = new DestructableObject; + echo "1\n"; + } +} + +class Test +{ + public static $mystatic; +} + +// Uncomment this to avoid segfault +//Test::$mystatic = new DestructorCreator(); + +$x = new Test(); + +if (!isset(Test::$mystatic)) + Test::$mystatic = new DestructorCreator(); + +echo "bla\n"; +?> +--EXPECT-- +bla +1 +2 Modified: php/php-src/branches/PHP_5_2/Zend/zend_opcode.c =================================================================== --- php/php-src/branches/PHP_5_2/Zend/zend_opcode.c 2010-06-10 11:31:47 UTC (rev 300349) +++ php/php-src/branches/PHP_5_2/Zend/zend_opcode.c 2010-06-10 11:45:51 UTC (rev 300350) @@ -157,7 +157,10 @@ /* Note that only run-time accessed data need to be cleaned up, pre-defined data can not contain objects and thus are not probelmatic */ zend_hash_apply(&(*pce)->function_table, (apply_func_t) zend_cleanup_function_data_full TSRMLS_CC); - (*pce)->static_members = NULL; + if ((*pce)->static_members) { + zend_hash_clean((*pce)->static_members); + (*pce)->static_members = NULL; + } } else if (CE_STATIC_MEMBERS(*pce)) { zend_hash_destroy(CE_STATIC_MEMBERS(*pce)); FREE_HASHTABLE(CE_STATIC_MEMBERS(*pce)); Added: php/php-src/branches/PHP_5_3/Zend/tests/bug51822.phpt =================================================================== --- php/php-src/branches/PHP_5_3/Zend/tests/bug51822.phpt (rev 0) +++ php/php-src/branches/PHP_5_3/Zend/tests/bug51822.phpt 2010-06-10 11:45:51 UTC (rev 300350) @@ -0,0 +1,40 @@ +--TEST-- +Bug #51822 (Segfault with strange __destruct() for static class variables) +--FILE-- +<?php +class DestructableObject +{ + public function __destruct() + { + echo "2\n"; + } +} + +class DestructorCreator +{ + public function __destruct() + { + $this->test = new DestructableObject; + echo "1\n"; + } +} + +class Test +{ + public static $mystatic; +} + +// Uncomment this to avoid segfault +//Test::$mystatic = new DestructorCreator(); + +$x = new Test(); + +if (!isset(Test::$mystatic)) + Test::$mystatic = new DestructorCreator(); + +echo "bla\n"; +?> +--EXPECT-- +bla +1 +2 Modified: php/php-src/branches/PHP_5_3/Zend/zend_opcode.c =================================================================== --- php/php-src/branches/PHP_5_3/Zend/zend_opcode.c 2010-06-10 11:31:47 UTC (rev 300349) +++ php/php-src/branches/PHP_5_3/Zend/zend_opcode.c 2010-06-10 11:45:51 UTC (rev 300350) @@ -159,7 +159,10 @@ /* Note that only run-time accessed data need to be cleaned up, pre-defined data can not contain objects and thus are not probelmatic */ zend_hash_apply(&(*pce)->function_table, (apply_func_t) zend_cleanup_function_data_full TSRMLS_CC); - (*pce)->static_members = NULL; + if ((*pce)->static_members) { + zend_hash_clean((*pce)->static_members); + (*pce)->static_members = NULL; + } } else if (CE_STATIC_MEMBERS(*pce)) { zend_hash_destroy(CE_STATIC_MEMBERS(*pce)); FREE_HASHTABLE(CE_STATIC_MEMBERS(*pce)); Added: php/php-src/trunk/Zend/tests/bug51822.phpt =================================================================== --- php/php-src/trunk/Zend/tests/bug51822.phpt (rev 0) +++ php/php-src/trunk/Zend/tests/bug51822.phpt 2010-06-10 11:45:51 UTC (rev 300350) @@ -0,0 +1,40 @@ +--TEST-- +Bug #51822 (Segfault with strange __destruct() for static class variables) +--FILE-- +<?php +class DestructableObject +{ + public function __destruct() + { + echo "2\n"; + } +} + +class DestructorCreator +{ + public function __destruct() + { + $this->test = new DestructableObject; + echo "1\n"; + } +} + +class Test +{ + public static $mystatic; +} + +// Uncomment this to avoid segfault +//Test::$mystatic = new DestructorCreator(); + +$x = new Test(); + +if (!isset(Test::$mystatic)) + Test::$mystatic = new DestructorCreator(); + +echo "bla\n"; +?> +--EXPECT-- +bla +1 +2 Modified: php/php-src/trunk/Zend/zend_opcode.c =================================================================== --- php/php-src/trunk/Zend/zend_opcode.c 2010-06-10 11:31:47 UTC (rev 300349) +++ php/php-src/trunk/Zend/zend_opcode.c 2010-06-10 11:45:51 UTC (rev 300350) @@ -166,7 +166,17 @@ /* Note that only run-time accessed data need to be cleaned up, pre-defined data can not contain objects and thus are not probelmatic */ zend_hash_apply(&(*pce)->function_table, (apply_func_t) zend_cleanup_function_data_full TSRMLS_CC); - (*pce)->static_members_table = NULL; + if ((*pce)->static_members_table) { + int i; + + for (i = 0; i < (*pce)->default_static_members_count; i++) { + if ((*pce)->static_members_table[i]) { + zval_ptr_dtor(&(*pce)->static_members_table[i]); + (*pce)->static_members_table[i] = NULL; + } + } + (*pce)->static_members_table = NULL; + } } else if (CE_STATIC_MEMBERS(*pce)) { int i; @@ -255,7 +265,9 @@ int i; for (i = 0; i < ce->default_static_members_count; i++) { - zval_ptr_dtor(&ce->default_static_members_table[i]); + if (ce->default_static_members_table[i]) { + zval_ptr_dtor(&ce->default_static_members_table[i]); + } } efree(ce->default_static_members_table); }
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