Bug #52411 [NEW]: segfault: curl_multi_* + 2 or more FTP urls

From: Operating system: win xp, ubuntu 9.10, others PHP version: 5.3.3 Package: cURL related Bug Type: Bug Bug description:segfault: curl_multi_* + 2 or more FTP urls Description: ------------ segfault when requesting 2 or more FTP urls with curl_multi_* Appears both under WIN XP SP3, ubuntu 8.10, 9.10 segfault when calling test script from command line, for example: d:/www4/php5/php -q -c d:/www4/php.ini -f curl_ftp_bug_test.php and also as apache2 module: http://localhost/curl_ftp_bug_test.php php.ini used is default from distribution (php.ini-production) wit only curl extension enabled: extension=php_curl.dll Reproduced every time when call test script. This bug first reported here: http://bugs.php.net/bug.php?id=52284 But was set to "Bogus" by mistake. Test script: --------------- <?php function multi_request($urls, $url_options = array()) { $mh = curl_multi_init(); foreach ($urls as $id => $url) { $curly[$id] = curl_init(); curl_setopt($curly[$id], CURLOPT_URL, $url); curl_setopt($curly[$id], CURLOPT_RETURNTRANSFER, true); // I've add this opt to speed up request, bug appearing with or without this line curl_setopt($curly[$id], CURLOPT_NOBODY, true); curl_multi_add_handle($mh, $curly[$id]); } $running = null; do { $status = curl_multi_exec($mh, $running); usleep(1000); } while($status == CURLM_CALL_MULTI_PERFORM || $running); foreach ($curly as $id => $c) { $result[$id] = curl_multi_getcontent($c); curl_multi_remove_handle($mh, $c); curl_close($c); } curl_multi_close($mh); return $result; } $urls = array( "4358521" => "ftp://ftp.ea.com/pub/ea/patches/nfs-underground/pc/en-uk/NFSU_EUROPE_PATCH_4.exe", "7458288" => "ftp://ftp.nero.com/software/plugins/WMAPlugin20937.exe", ); echo "<pre>"; print_R(multi_request($urls)); echo "</pre>"; Expected result: ---------------- No segfault :) Actual result: -------------- segmentation fault -- Edit bug report at http://bugs.php.net/bug.php?id=52411&edit=1 -- Try a snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=52411&r=trysnapshot52 Try a snapshot (PHP 5.3): http://bugs.php.net/fix.php?id=52411&r=trysnapshot53 Try a snapshot (trunk): http://bugs.php.net/fix.php?id=52411&r=trysnapshottrunk Fixed in SVN: http://bugs.php.net/fix.php?id=52411&r=fixed Fixed in SVN and need be documented: http://bugs.php.net/fix.php?id=52411&r=needdocs Fixed in release: http://bugs.php.net/fix.php?id=52411&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=52411&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=52411&r=needscript Try newer version: http://bugs.php.net/fix.php?id=52411&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=52411&r=support Expected behavior: http://bugs.php.net/fix.php?id=52411&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=52411&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=52411&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=52411&r=globals PHP 4 support discontinued: http://bugs.php.net/fix.php?id=52411&r=php4 Daylight Savings: http://bugs.php.net/fix.php?id=52411&r=dst IIS Stability: http://bugs.php.net/fix.php?id=52411&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=52411&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=52411&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=52411&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=52411&r=mysqlcfg