Bug #71703 [NEW]: Segfault when CURLOPT_HTTPHEADER empty array and reset

From: giel at cyclesoftware dot nl Operating system: Ubuntu PHP version: 7.0.3 Package: cURL related Bug Type: Bug Bug description:Segfault when CURLOPT_HTTPHEADER empty array and reset Description: ------------ When the following code is executed it segfaults. Removing curl_setopt($ch, CURLOPT_HTTPHEADER, array()); fixes the problem. Test script: --------------- <?php $uri = "http://www.google.com"; $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, $uri); curl_setopt($ch, CURLOPT_HTTPHEADER, array()); curl_setopt($ch, CURLOPT_HTTPHEADER, array( 'User-Agent:Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.85 Safari/537.36',)); ?> Actual result: -------------- segfault -- Edit bug report at https://bugs.php.net/bug.php?id=71703&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=71703&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=71703&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=71703&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=71703&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=71703&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=71703&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=71703&r=needscript Try newer version: https://bugs.php.net/fix.php?id=71703&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=71703&r=support Expected behavior: https://bugs.php.net/fix.php?id=71703&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=71703&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=71703&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=71703&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=71703&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=71703&r=dst IIS Stability: https://bugs.php.net/fix.php?id=71703&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=71703&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=71703&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=71703&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=71703&r=mysqlcfg