Bug #73370 [Com]: falsely exits with "Out of Memory" when using USE_ZEND_ALLOC=0

Edit report at https://bugs.php.net/bug.php?id=73370&edit=1 ID: 73370 Comment by: jim dot hofer at gmail dot com Reported by: jim dot hofer at gmail dot com Summary: falsely exits with "Out of Memory" when using USE_ZEND_ALLOC=0 Status: Feedback Type: Bug Package: MySQLi related Operating System: Irrelevant PHP Version: Irrelevant Assigned To: laruence Block user comment: N Private report: N New Comment: I've tried to apply the patch but it's being rejected. I'm using php-7.0.12-2.remi.src.rpm to apply the patch and build the rpm Previous Comments: ------------------------------------------------------------------------ [2016-10-22 07:07:52] laruence@php.net please try follow patch: diff --git a/Zend/zend_alloc.c b/Zend/zend_alloc.c index 40eb100..5c9f124 100644 --- a/Zend/zend_alloc.c +++ b/Zend/zend_alloc.c @@ -2850,7 +2850,9 @@ static ZEND_COLD ZEND_NORETURN void zend_out_of_memory(void) ZEND_API void * __zend_malloc(size_t len) { - void *tmp = malloc(len); + void *tmp; + len = MAX(len, 1); + tmp = malloc(len); if (EXPECTED(tmp)) { return tmp; } thanks ------------------------------------------------------------------------ [2016-10-21 18:29:59] jim dot hofer at gmail dot com Description: ------------ I'm using USE_ZEND_ALLOC=0 for some cli scripts due this bug https://bugs.php.net/bug.php?id=72736 When using USE_ZEND_ALLOC=0 and querying mysql with buffered queries on and the select query returns an empty result set the script exits with the message "Out of Memory" Setting the query to use unbuffered results in expected behavior. Also, not setting USE_ZEND_ALLOC=0 and querying unbuffered returns results in expected behavior This bug does not affect 7.0.11 Test script: --------------- <?php $mysqli = new mysqli("localhost", "root"); $result = $mysqli->query("SELECT * FROM mysql.user WHERE User = 'test'", MYSQLI_USE_RESULT)->fetch_all(); var_dump($result); $result = $mysqli->query("SELECT * FROM mysql.user WHERE User = 'test'")->fetch_all(); var_dump($result); Expected result: ---------------- array(0) { } array(0) { } Actual result: -------------- array(0) { } Out of memory ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=73370&edit=1