From: mhaerry at c3om dot ch Operating system: Linux RedHat EL 3 PHP version: 5.0.5 PHP Bug Type: Session related Bug description: 000 Permission on Session files
Description: ------------ Since around PHP 5.0.4 we are having a session save problem. Most of the session files are stored correctly in seperate directories for each virtual host. They have permission of 600 with the owner of the running apache process. But there are from time to time session files which are stored with Permission 000 like: --- # find <pathtosessiondir> -perm 000 | xargs ls -lh ---------- 1 nobody 4294967295 0 Nov 8 05:53 ./<pathtosessiondir>/sess_dc3b60dc98b9ca7beba8f2afdf618df4 ---------- 1 nobody 4294967295 54 Nov 8 05:50 ./<pathtosessiondir>/sess_122ad7d6c9c627cfa01201c4caf6520d ---------- 1 nobody 4294967295 54 Nov 8 05:50 ./<pathtosessiondir>/sess_1939034c40835c4946964eb0af25d14a ---------- 1 nobody 4294967295 50 Nov 8 05:37 ./<pathtosessiondir>/sess_353cecf3cd82bdb03092b0ceef89813c ---------- 1 nobody 4294967295 54 Nov 8 05:51 ./<pathtosessiondir>/sess_3cfab0c964ce99568520ca002dcdc015 ---------- 1 nobody 4294967295 54 Nov 8 05:50 ./<pathtosessiondir>/sess_4ecf472d9c094634164ece1fea76bc8f ---------- 1 nobody 4294967295 54 Nov 8 05:50 ./<pathtosessiondir>/sess_56bd16f2d97c4705837d88b159df0de6 ---------- 1 nobody 4294967295 54 Nov 8 05:36 ./<pathtosessiondir>/sess_61d36002c753af2301c361b3247775fa ---------- 1 nobody 4294967295 54 Nov 8 05:34 ./<pathtosessiondir>/sess_76e7794ad71b7c7ca30ee14d412d475b etc. --- so these session files can't be read anymore by php. it doesn't depend on the application, we have this problem with every application from time to time. and as it works sometimes and sometimes not within the same application we don't think it has something to do with the umask setting. so users can't login anymore etc. one solution is to delete these files as root on the server (manually or in a script). the other is to tell the users to delete the cookies and to restart their browsers. but anyway these are only workarounds which won't fix the problem. the session dirs aren't in /tmp/ and are also not on a tmpfs filesystem. it's on the normal ext3 filesystem. any ideas why this can happen and what we can do against that? Reproduce code: --------------- standard usage of session functions: session_start(); $_SESSION['foo'] = 'bar'; [...] session_destroy(); //while logging out Expected result: ---------------- expected session files with permission 600 like: -rw------- 1 nobody 4294967295 215K Nov 8 06:08 sess_9b50bc95e2a138ca376ff0b111d6d5a0 Actual result: -------------- session files with permission 000: ---------- 1 nobody 4294967295 54 Nov 8 05:34 ./<pathtosessiondir>/sess_76e7794ad71b7c7ca30ee14d412d475b -- Edit bug report at http://bugs.php.net/?id=35152&edit=1 -- Try a CVS snapshot (php4): http://bugs.php.net/fix.php?id=35152&r=trysnapshot4 Try a CVS snapshot (php5.0): http://bugs.php.net/fix.php?id=35152&r=trysnapshot50 Try a CVS snapshot (php5.1): http://bugs.php.net/fix.php?id=35152&r=trysnapshot51 Fixed in CVS: http://bugs.php.net/fix.php?id=35152&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=35152&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=35152&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=35152&r=needscript Try newer version: http://bugs.php.net/fix.php?id=35152&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=35152&r=support Expected behavior: http://bugs.php.net/fix.php?id=35152&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=35152&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=35152&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=35152&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=35152&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=35152&r=dst IIS Stability: http://bugs.php.net/fix.php?id=35152&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=35152&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=35152&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=35152&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=35152&r=mysqlcfg
