Bug #70773 [NEW]: Segmentation fault (core dumped)

From: svein at vip dot qq dot com Operating system: Linux 2.6.33.15 PHP version: 7.0.0RC5 Package: Scripting Engine problem Bug Type: Bug Bug description:Segmentation fault (core dumped) Description: ------------ I wrote a PHP extension function my_test: PHP_FUNCTION(my_test) { long type = 0; char *function_name = NULL; int function_name_len = 0; if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ls", &type ,&function_name,&function_name_len) == FAILURE) { zend_error(E_ERROR, "my_test zend_parse_parameters error"); } RETURN_LONG(1); } when i call this function in a php file php crash with Segmentation fault (core dumped) but when i modify mytest to： PHP_FUNCTION(my_test) { long type = 0; char *function_name = NULL; int function_name_len = 0; if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ls", &type ,&function_name,&function_name_len) == FAILURE) { zend_error(E_ERROR, "my_test zend_parse_parameters error"); } } or PHP_FUNCTION(my_test) { long type = 0; char *function_name = NULL; int function_name_len = 0; RETURN_LONG(1); } php run ok Test script: --------------- PHP_FUNCTION(my_test) { long type = 0; char *function_name = NULL; int function_name_len = 0; if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ls", &type ,&function_name,&function_name_len) == FAILURE) { zend_error(E_ERROR, "my_test zend_parse_parameters error"); } RETURN_LONG(1); } Expected result: ---------------- ok Actual result: -------------- Segmentation fault (core dumped) -- Edit bug report at https://bugs.php.net/bug.php?id=70773&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=70773&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=70773&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=70773&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=70773&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=70773&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=70773&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=70773&r=needscript Try newer version: https://bugs.php.net/fix.php?id=70773&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=70773&r=support Expected behavior: https://bugs.php.net/fix.php?id=70773&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=70773&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=70773&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=70773&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=70773&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=70773&r=dst IIS Stability: https://bugs.php.net/fix.php?id=70773&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=70773&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=70773&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=70773&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=70773&r=mysqlcfg