Bug #67215 [NEW]: php-cgi work with opcache, may be segmentation fault happen

From: dailei6200 at 163 dot com Operating system: CentOS 6.5 x86_64 PHP version: 5.5.12 Package: opcache Bug Type: Bug Bug description:php-cgi work with opcache, may be segmentation fault happen Description: ------------ php-cgi work with opcache, may be segmentation fault happen [dailei@Ideal core]$ gdb /usr/local/php-5.5.12/bin/php-cgi GNU gdb (GDB) Red Hat Enterprise Linux (7.2-60.el6_4.1) Copyright (C) 2010 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-redhat-linux-gnu". For bug reporting instructions, please see: <http://www.gnu.org/software/gdb/bugs/>... Reading symbols from /usr/local/php-5.5.12/bin/php-cgi...done. (gdb) run index.php Starting program: /usr/local/php-5.5.12/bin/php-cgi index.php [Thread debugging using libthread_db enabled] PHP Fatal error: Cannot redeclare class c in /home/dailei/Project/core/c.class.php on line 0 Status: 500 Internal Server Error Content-type: text/html Program received signal SIGSEGV, Segmentation fault. _zval_ptr_dtor (zval_ptr=0x7ffff7fd9558) at /usr/local/src/php-5.5.12/Zend/zend_execute_API.c:426 426 i_zval_ptr_dtor(*zval_ptr ZEND_FILE_LINE_RELAY_CC); Missing separate debuginfos, use: debuginfo-install glibc-2.12-1.132.el6.x86_64 libxml2-2.7.6-14.el6.x86_64 nss-softokn-freebl-3.14.3-10.el6_5.x86_64 zlib-1.2.3-29.el6.x86_64 (gdb) bt #0 _zval_ptr_dtor (zval_ptr=0x7ffff7fd9558) at /usr/local/src/php-5.5.12/Zend/zend_execute_API.c:426 #1 0x00000000006f4c57 in zend_object_std_dtor (object=0x7ffff7fd7ba8) at /usr/local/src/php-5.5.12/Zend/zend_objects.c:54 #2 0x00000000006f4c89 in zend_objects_free_object_storage (object=0x7ffff7fd7ba8) at /usr/local/src/php-5.5.12/Zend/zend_objects.c:137 #3 0x00000000006fa938 in zend_objects_store_del_ref_by_handle_ex (handle=1, handlers=<value optimized out>) at /usr/local/src/php-5.5.12/Zend/zend_objects_API.c:226 #4 0x00000000006fa953 in zend_objects_store_del_ref (zobject=0x7ffff7fd8870) at /usr/local/src/php-5.5.12/Zend/zend_objects_API.c:178 #5 0x00000000006c2c80 in _zval_dtor (zval_ptr=<value optimized out>) at /usr/local/src/php-5.5.12/Zend/zend_variables.h:35 #6 i_zval_ptr_dtor (zval_ptr=<value optimized out>) at /usr/local/src/php-5.5.12/Zend/zend_execute.h:81 #7 _zval_ptr_dtor (zval_ptr=<value optimized out>) at /usr/local/src/php-5.5.12/Zend/zend_execute_API.c:426 #8 0x00000000006def0b in zend_hash_clean (ht=0x7ffff7fd88a0) at /usr/local/src/php-5.5.12/Zend/zend_hash.c:596 #9 0x00000000006c7b9b in zend_cleanup_op_array_data (function=<value optimized out>) at /usr/local/src/php-5.5.12/Zend/zend_opcode.c:134 #10 zend_cleanup_function_data (function=<value optimized out>) at /usr/local/src/php-5.5.12/Zend/zend_opcode.c:141 #11 0x00000000006de8e4 in zend_hash_reverse_apply (ht=0xdedc30, apply_func=0x6c7b70 <zend_cleanup_function_data>) at /usr/local/src/php-5.5.12/Zend/zend_hash.c:799 #12 0x00000000006c56cb in shutdown_executor () at /usr/local/src/php-5.5.12/Zend/zend_execute_API.c:286 #13 0x00000000006d1af2 in zend_deactivate () at /usr/local/src/php-5.5.12/Zend/zend.c:935 #14 0x000000000067323c in php_request_shutdown (dummy=<value optimized out>) at /usr/local/src/php-5.5.12/main/main.c:1808 #15 0x0000000000781d05 in main (argc=2, argv=0x7fffffffe258) at /usr/local/src/php-5.5.12/sapi/cgi/cgi_main.c:2505 Test script: --------------- index.php <?php require __DIR__ . '/c.class.php'; function getClass() { static $cache = NULL; $cache = new c(); } getClass(); require __DIR__ . '/c.class.php'; ------------------------------------------- p.class.php <?php class p { protected $_keyspace = ''; } ------------------------------------------- c.class.php <?php require __DIR__ . '/p.class.php'; class c extends p { } Expected result: ---------------- opcache.enable = Off [dailei@Ideal core]$ /usr/local/php-5.5.12/bin/php-cgi index.php PHP Fatal error: Cannot redeclare class c in /home/dailei/Project/core/c.class.php on line 7 Status: 500 Internal Server Error Content-type: text/html [dailei@Ideal core]$ echo $? 255 Actual result: -------------- opcache.enable = On [dailei@Ideal core]$ /usr/local/php-5.5.12/bin/php-cgi index.php PHP Fatal error: Cannot redeclare class c in /home/dailei/Project/core/c.class.php on line 0 Status: 500 Internal Server Error Content-type: text/html 段错误 (core dumped) [dailei@Ideal core]$ echo $? 139 -- Edit bug report at https://bugs.php.net/bug.php?id=67215&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=67215&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=67215&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=67215&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=67215&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=67215&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=67215&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=67215&r=needscript Try newer version: https://bugs.php.net/fix.php?id=67215&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=67215&r=support Expected behavior: https://bugs.php.net/fix.php?id=67215&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=67215&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=67215&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=67215&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=67215&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=67215&r=dst IIS Stability: https://bugs.php.net/fix.php?id=67215&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=67215&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=67215&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=67215&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=67215&r=mysqlcfg