Bug #61636 [Fbk->NoF]: readfile() resp. fpassthru() try to allocate complete file into memory

Edit report at https://bugs.php.net/bug.php?id=61636&edit=1 ID: 61636 Updated by: php-bugs@lists.php.net Reported by: kontrollfreak at arcor dot de Summary: readfile() resp. fpassthru() try to allocate complete file into memory -Status: Feedback +Status: No Feedback Type: Bug Package: Apache related Operating System: Windows XP SP3 PHP Version: master-Git-2012-04-05 (snap) Assigned To: cmb Private report: N New Comment: No feedback was provided. The bug is being suspended because we assume that you are no longer experiencing the problem. If this is not the case and you are able to provide the information that was requested earlier, please do so and change the status of the bug back to "Re-Opened". Thank you. Previous Comments: ------------------------------------------------------------------------ [2021-02-03 13:46:41] cmb@php.net Is this still an issue with any of the actively supported PHP versions[1]? [1] <https://www.php.net/supported-versions.php> ------------------------------------------------------------------------ [2013-04-15 07:06:12] kontrollfreak at arcor dot de To be sure, I reran the test this morning under following conditions: --------------------------------------------------------------------- - Windows XP SP3 - Apache 2.4.4 from http://www.apachelounge.com/download/win32/binaries/httpd-2.4.4-win32.zip - PHP 5.4.14 from http://windows.php.net/downloads/releases/php-5.4.14-Win32-VC9-x86.zip httpd.conf: ----------- LoadModule authz_core_module modules/mod_authz_core.so LoadModule php5_module modules/php5apache2_4.dll Listen 80 LogLevel trace8 DocumentRoot htdocs <FilesMatch "\.php$"> SetHandler application/x-httpd-php </FilesMatch> php.ini: -------- *empty* Test script: ------------ <?php error_reporting(-1); while(ob_get_level()) ob_end_flush(); header('Content-Type: application/octet-stream'); header('Content-Disposition: attachment; filename="test.bin"'); header('Content-Length: 209715200'); readfile('test.bin'); ?> Expected result: ---------------- A download of file "test.bin" containing 200 MB of NUL bytes Actual result: -------------- The result has changed. I do not get the out of memory error anymore. Instead Firefox 20.0.1 shows the following: The connection was reset The connection to the server was reset while the page was loading. Apache error.log: ----------------- [Mon Apr 15 09:03:29.719610 2013] [core:trace3] [pid 2588:tid 1884] core.c(3034): Setting LogLevel for all modules to trace8 [Mon Apr 15 09:03:29.749653 2013] [mpm_winnt:notice] [pid 2588:tid 1884] AH00455: Apache/2.4.4 (Win32) PHP/5.4.14 configured -- resuming normal operations [Mon Apr 15 09:03:29.749653 2013] [mpm_winnt:notice] [pid 2588:tid 1884] AH00456: Server built: Feb 23 2013 16:24:03 [Mon Apr 15 09:03:29.749653 2013] [core:notice] [pid 2588:tid 1884] AH00094: Command line: 'httpd -d C:/Apache24' [Mon Apr 15 09:03:29.759668 2013] [mpm_winnt:notice] [pid 2588:tid 1884] AH00418: Parent: Created child process 2576 [Mon Apr 15 09:03:29.759668 2013] [mpm_winnt:debug] [pid 2588:tid 1884] mpm_winnt.c(422): AH00402: Parent: Sent the scoreboard to the child [Mon Apr 15 09:03:30.230345 2013] [core:trace3] [pid 2576:tid 1868] core.c(3034): Setting LogLevel for all modules to trace8 [Mon Apr 15 09:03:30.280417 2013] [core:trace3] [pid 2576:tid 1868] core.c(3034): Setting LogLevel for all modules to trace8 [Mon Apr 15 09:03:30.300445 2013] [mpm_winnt:debug] [pid 2576:tid 1868] mpm_winnt.c(1708): AH00453: Child process is running [Mon Apr 15 09:03:30.300445 2013] [mpm_winnt:debug] [pid 2588:tid 1884] mpm_winnt.c(505): AH00408: Parent: Duplicating socket 1892 (0.0.0.0:80) and sending it to child process 2576 [Mon Apr 15 09:03:30.300445 2013] [mpm_winnt:debug] [pid 2588:tid 1884] mpm_winnt.c(524): AH00411: Parent: Sent 1 listeners to child 2576 [Mon Apr 15 09:03:30.300445 2013] [core:trace4] [pid 2588:tid 1884] mpm_common.c(526): mpm child 2576 (gen 0/slot 0) started [Mon Apr 15 09:03:30.300445 2013] [mpm_winnt:debug] [pid 2576:tid 1868] mpm_winnt.c(343): AH00391: Child: Retrieved our scoreboard from the parent. [Mon Apr 15 09:03:30.300445 2013] [mpm_winnt:debug] [pid 2576:tid 1868] mpm_winnt.c(458): AH00403: Child: Waiting for data for listening socket 0.0.0.0:80 [Mon Apr 15 09:03:30.300445 2013] [mpm_winnt:debug] [pid 2576:tid 1868] mpm_winnt.c(483): AH00407: Child: retrieved 1 listeners from parent [Mon Apr 15 09:03:30.300445 2013] [mpm_winnt:debug] [pid 2576:tid 1868] child.c(955): AH00352: Child: Acquired the start mutex. [Mon Apr 15 09:03:30.300445 2013] [mpm_winnt:notice] [pid 2576:tid 1868] AH00354: Child: Starting 64 worker threads. [Mon Apr 15 09:03:30.310460 2013] [mpm_winnt:debug] [pid 2576:tid 1252] child.c(354): AH00334: Child: Accept thread listening on 0.0.0.0:80 using AcceptFilter data [Mon Apr 15 09:03:33.444967 2013] [core:trace5] [pid 2576:tid 1260] protocol.c(622): [client 127.0.0.1:1146] Request received from client: GET /test.php HTTP/1.1 [Mon Apr 15 09:03:33.444967 2013] [http:trace4] [pid 2576:tid 1260] http_request.c(300): [client 127.0.0.1:1146] Headers received from client: [Mon Apr 15 09:03:33.444967 2013] [http:trace4] [pid 2576:tid 1260] http_request.c(303): [client 127.0.0.1:1146] Host: localhost [Mon Apr 15 09:03:33.444967 2013] [http:trace4] [pid 2576:tid 1260] http_request.c(303): [client 127.0.0.1:1146] User-Agent: Mozilla/5.0 (Windows NT 5.1; rv:20.0) Gecko/20100101 Firefox/20.0 [Mon Apr 15 09:03:33.444967 2013] [http:trace4] [pid 2576:tid 1260] http_request.c(303): [client 127.0.0.1:1146] Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 [Mon Apr 15 09:03:33.444967 2013] [http:trace4] [pid 2576:tid 1260] http_request.c(303): [client 127.0.0.1:1146] Accept-Language: en-US,en;q=0.5 [Mon Apr 15 09:03:33.444967 2013] [http:trace4] [pid 2576:tid 1260] http_request.c(303): [client 127.0.0.1:1146] Accept-Encoding: gzip, deflate [Mon Apr 15 09:03:33.444967 2013] [http:trace4] [pid 2576:tid 1260] http_request.c(303): [client 127.0.0.1:1146] Connection: keep-alive [Mon Apr 15 09:03:33.444967 2013] [http:trace4] [pid 2576:tid 1260] http_request.c(303): [client 127.0.0.1:1146] Cache-Control: max-age=0 [Mon Apr 15 09:03:33.444967 2013] [authz_core:debug] [pid 2576:tid 1260] mod_authz_core.c(827): [client 127.0.0.1:1146] AH01628: authorization result: granted (no directives) [Mon Apr 15 09:03:33.444967 2013] [core:trace3] [pid 2576:tid 1260] request.c(225): [client 127.0.0.1:1146] request authorized without authentication by access_checker_ex hook: /test.php [Mon Apr 15 09:03:33.444967 2013] [http:trace3] [pid 2576:tid 1260] http_filters.c(960): [client 127.0.0.1:1146] Response sent with status 200, headers: [Mon Apr 15 09:03:33.444967 2013] [http:trace5] [pid 2576:tid 1260] http_filters.c(969): [client 127.0.0.1:1146] Date: Mon, 15 Apr 2013 07:03:33 GMT [Mon Apr 15 09:03:33.444967 2013] [http:trace5] [pid 2576:tid 1260] http_filters.c(972): [client 127.0.0.1:1146] Server: Apache/2.4.4 (Win32) PHP/5.4.14 [Mon Apr 15 09:03:33.444967 2013] [http:trace4] [pid 2576:tid 1260] http_filters.c(804): [client 127.0.0.1:1146] X-Powered-By: PHP/5.4.14 [Mon Apr 15 09:03:33.444967 2013] [http:trace4] [pid 2576:tid 1260] http_filters.c(804): [client 127.0.0.1:1146] Content-Disposition: attachment; filename=\\"test.bin\\" [Mon Apr 15 09:03:33.444967 2013] [http:trace4] [pid 2576:tid 1260] http_filters.c(804): [client 127.0.0.1:1146] Content-Length: 209715200 [Mon Apr 15 09:03:33.444967 2013] [http:trace4] [pid 2576:tid 1260] http_filters.c(804): [client 127.0.0.1:1146] Keep-Alive: timeout=5, max=100 [Mon Apr 15 09:03:33.444967 2013] [http:trace4] [pid 2576:tid 1260] http_filters.c(804): [client 127.0.0.1:1146] Connection: Keep-Alive [Mon Apr 15 09:03:33.444967 2013] [http:trace4] [pid 2576:tid 1260] http_filters.c(804): [client 127.0.0.1:1146] Content-Type: application/octet-stream [Mon Apr 15 09:03:33.444967 2013] [core:trace6] [pid 2576:tid 1260] core_filters.c(523): [client 127.0.0.1:1146] core_output_filter: flushing because of THRESHOLD_MAX_BUFFER ------------------------------------------------------------------------ [2013-04-15 04:21:19] pajoye@php.net And you still got the out of memory error? ------------------------------------------------------------------------ [2013-04-14 13:59:28] kontrollfreak at arcor dot de In reply to [2013-04-14 12:55 UTC] pajoye@php.net: During the test output buffering was disabled by the following snippet. Disable output buffering: ------------------------- <?php while (ob_get_level()) ob_end_flush(); ?> ------------------------------------------------------------------------ [2013-04-14 12:55:29] pajoye@php.net Be sure to disable output buffering, see http://www.php.net/readfile ------------------------------------------------------------------------ The remainder of the comments for this report are too long. To view the rest of the comments, please view the bug report online at https://bugs.php.net/bug.php?id=61636 -- Edit this bug report at https://bugs.php.net/bug.php?id=61636&edit=1