#33909 [NEW]: fread of a pipe hang after opening a pipe with a < entry

From: phil at adigital dot com dot mx Operating system: windows XP, linux PHP version: 5.0.4 PHP Bug Type: Reproducible crash Bug description: fread of a pipe hang after opening a pipe with a < entry Description: ------------ Opening a pipe for read , for example for a cgi (in this example) will block on the fread AFTER a call to a call with an entry file I got the error on Windows, Linux, from PHP 5.0.2, PHP 5.0.4, PHP5.1 on CVS (did not try on other versions either) For example: Call 1: popen("/usr/bin/php5"); with SCRIPT_FILENAME=info.php WORKS perfectly, and is repeatible X times Call 2: popen("/usr/bin/php5"); with SCRIPT_FILENAME=info.php<tempfile WORKS perfectly... BUT Call 3: after the call 2 popen("/usr/bin/php5"); with SCRIPT_FILENAME=info.php WILL HANG AND TOTALLY BLOCK but without using CPU time. compile: compiled downloaded version on windows, natural php.ini without modifications On linux: compiled as CLI, CGI, no more options than mysql The bug do not depends on what is compiled with php Thx Reproduce code: --------------- For linux code example : http://www.thomassigny.org/bugpipe/linux/ For windows code example : http://www.thomassigny.org/bugpipe/windows/ Expected result: ---------------- i expect the code does not hang... Actual result: -------------- no backtrace, the running code hang -- Edit bug report at http://bugs.php.net/?id=33909&edit=1 -- Try a CVS snapshot (php4): http://bugs.php.net/fix.php?id=33909&r=trysnapshot4 Try a CVS snapshot (php5.0): http://bugs.php.net/fix.php?id=33909&r=trysnapshot50 Try a CVS snapshot (php5.1): http://bugs.php.net/fix.php?id=33909&r=trysnapshot51 Fixed in CVS: http://bugs.php.net/fix.php?id=33909&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=33909&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=33909&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=33909&r=needscript Try newer version: http://bugs.php.net/fix.php?id=33909&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=33909&r=support Expected behavior: http://bugs.php.net/fix.php?id=33909&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=33909&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=33909&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=33909&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=33909&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=33909&r=dst IIS Stability: http://bugs.php.net/fix.php?id=33909&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=33909&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=33909&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=33909&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=33909&r=mysqlcfg