Bug #75315 [NEW]: curl cutting off post data

From: j dot wessel at nolis dot de Operating system: Debian 9 PHP version: 7.1.10 Package: cURL related Bug Type: Bug Bug description:curl cutting off post data Description: ------------ Tested with: PHP 7.1.10, PHP 5.6.31 and curl 7.56.0 The script works with curl 7.55.0 correctly. Test script: --------------- curl.php -------------------------------------------------------------------------------------- <?php //generate string data function getStr($num) { $bstring = 'abcdefghijklmnopqrstuvxyz0123456789'; $str = ''; for($i = 0; $i < $num; $i++) { $str .= $bstring; } return $str; } $json = [ 'json1' => getStr(200), 'json2' => getStr(200), 'json3' => getStr(200), 'json4' => getStr(200), ]; $post = [ 'test1' => 'a', 'test2' => 'b', 'test3' => 'c', 'test4' => json_encode($json) //or use print_r or var_dump with return parameter ]; $ch = curl_init(); //send encoded json-data to service curl_setopt($ch, CURLOPT_URL, 'https://localhost/service.php'); curl_setopt($ch, CURLOPT_POSTFIELDS, $post); curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); $result = curl_exec ($ch); curl_close($ch); var_dump($result); ?> service.php -------------------------------------------------------------------------------------- <?php //get the post data and write into request.log $result = file_put_contents('request.log', print_r($_REQUEST, true)); var_dump($result); //the content of $_REQUEST is wrong, json1 is repeated, content is cutted off //expected result: correct content in $_REQUEST ?> Expected result: ---------------- Correct post data in $_REQUEST. Actual result: -------------- the content of $_REQUEST is wrong, json1 is repeated, content is cutted off, the post data is corrupt -- Edit bug report at https://bugs.php.net/bug.php?id=75315&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=75315&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=75315&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=75315&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=75315&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=75315&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=75315&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=75315&r=needscript Try newer version: https://bugs.php.net/fix.php?id=75315&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=75315&r=support Expected behavior: https://bugs.php.net/fix.php?id=75315&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=75315&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=75315&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=75315&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=75315&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=75315&r=dst IIS Stability: https://bugs.php.net/fix.php?id=75315&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=75315&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=75315&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=75315&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=75315&r=mysqlcfg