Bug #75391 [Opn]: Crash / segmentation fault after fetching 4 files

Edit report at https://bugs.php.net/bug.php?id=75391&edit=1 ID: 75391 Updated by: laruence@php.net Reported by: cweiske@php.net Summary: Crash / segmentation fault after fetching 4 files Status: Open Type: Bug Package: Built-in web server Operating System: Ubuntu 14.04 PHP Version: 7.1.10 Block user comment: N Private report: N New Comment: I can not reproduce this, you may try with latest src in github repo, and you could also try to run with valgrind... Previous Comments: ------------------------------------------------------------------------ [2017-10-16 20:54:40] cweiske@php.net Description: ------------ I reproducibly get a segmentation fault after fetching 4 URLs from the built-in webserver. This is with PHP 7.1.10-1+ubuntu14.04.1+deb.sury.org+1 (cli) (built: Sep 29 2017 17:33:22) ( NTS ) Test script: --------------- The files and the script to fetch them are here: https://github.com/cweiske/php-crash Fetch files: $ curl localhost:8002/randomizer.php $ curl localhost:8002/links.html $ curl -L localhost:8002/redirector.php $ curl localhost:8002/links.html - links.html is an empty file - randomizer contains: <?php echo rand() ?> - redirector.php contains: <?php header('location: links.html'); ?> Expected result: ---------------- No crash. Actual result: -------------- [Mon Oct 16 22:50:14 2017] ::1:52228 [200]: /randomizer.php [Mon Oct 16 22:50:14 2017] ::1:52229 [200]: /links.html [Mon Oct 16 22:50:14 2017] ::1:52230 [302]: /redirector.php [Mon Oct 16 22:50:14 2017] ::1:52231 [200]: /links.html Program received signal SIGSEGV, Segmentation fault. 0x00005555557ca80b in zend_hash_str_find_bucket (h=10942615419019873312, len=13, str=0x55555585ce29 "Europe/Berlin", ht=0x7ffff5c041f8) at /build/php7.1-qveBs0/php7.1-7.1.10/Zend/zend_hash.c:504 504 /build/php7.1-qveBs0/php7.1-7.1.10/Zend/zend_hash.c: Datei oder Verzeichnis nicht gefunden. (gdb) bt full #0 0x00005555557ca80b in zend_hash_str_find_bucket (h=10942615419019873312, len=13, str=0x55555585ce29 "Europe/Berlin", ht=0x7ffff5c041f8) at /build/php7.1-qveBs0/php7.1-7.1.10/Zend/zend_hash.c:504 nIndex = 1147437055 idx = <optimized out> p = <optimized out> arData = 0x7ffff5c0e520 #1 zend_hash_str_find (ht=ht@entry=0x7ffff5c041f8, str=str@entry=0x55555585ce29 "Europe/Berlin", len=13) at /build/php7.1-qveBs0/php7.1-7.1.10/Zend/zend_hash.c:1970 No locals. #2 0x0000555555642c67 in zend_hash_str_find_ptr (len=<optimized out>, str=0x55555585ce29 "Europe/Berlin", ht=0x7ffff5c041f8) at /build/php7.1-qveBs0/php7.1-7.1.10/Zend/zend_hash.h:748 zv = <optimized out> #3 php_date_parse_tzfile (formal_tzname=0x55555585ce29 "Europe/Berlin", tzdb=0x555555e80150) at /build/php7.1-qveBs0/php7.1-7.1.10/ext/date/php_date.c:944 No locals. #4 0x0000555555644bf4 in get_timezone_info () at /build/php7.1-qveBs0/php7.1-7.1.10/ext/date/php_date.c:1040 tzi = <optimized out> #5 0x0000555555646c1d in php_format_date (format=format@entry=0x5555558b2d27 "r", format_len=format_len@entry=1, ts=1508187014, localtime=localtime@entry=1) at /build/php7.1-qveBs0/php7.1-7.1.10/ext/date/php_date.c:1293 t = 0x7ffff5c01100 tzi = <optimized out> string = <optimized out> #6 0x000055555585552b in append_essential_headers (buffer=buffer@entry=0x7fffffffcf60, client=client@entry=0x555555e016e0, persistent=persistent@entry=1) at /build/php7.1-qveBs0/php7.1-7.1.10/sapi/cli/php_cli_server.c:357 dt = <optimized out> tv = {tv_sec = 1508187014, tv_usec = 128072} #7 0x000055555585813f in php_cli_server_begin_send_static (client=0x555555e016e0, server=0x555555bab840 <server>) at /build/php7.1-qveBs0/php7.1-7.1.10/sapi/cli/php_cli_server.c:2070 chunk = 0x44647fff buffer = {s = 0x555555e83af0, a = 231} mime_type = 0x555555893b27 "text/html" fd = <optimized out> status = 200 #8 php_cli_server_dispatch (client=0x555555e016e0, server=0x555555bab840 <server>) at /build/php7.1-qveBs0/php7.1-7.1.10/sapi/cli/php_cli_server.c:2211 is_static_file = <optimized out> #9 php_cli_server_recv_event_read_request (server=0x555555bab840 <server>, client=0x555555e016e0) at /build/php7.1-qveBs0/php7.1-7.1.10/sapi/cli/php_cli_server.c:2400 errstr = 0x0 status = <optimized out> #10 0x0000555555858829 in php_cli_server_do_event_for_each_fd_callback (_params=_params@entry=0x7fffffffd0a0, fd=fd@entry=6, event=event@entry=1) at /build/php7.1-qveBs0/php7.1-7.1.10/sapi/cli/php_cli_server.c:2485 params = 0x7fffffffd0a0 server = 0x555555bab840 <server> #11 0x00005555558597f7 in php_cli_server_poller_iter_on_active (poller=0x555555bab848 <server+8>, callback=0x555555858750 <php_cli_server_do_event_for_each_fd_callback>, opaque=0x7fffffffd0a0) at /build/php7.1-qveBs0/php7.1-7.1.10/sapi/cli/php_cli_server.c:844 fd = 6 max_fd = 6 #12 php_cli_server_do_event_for_each_fd (whandler=0x5555558567a0 <php_cli_server_send_event>, rhandler=0x555555857e40 <php_cli_server_recv_event_read_request>, server=0x555555bab840 <server>) at /build/php7.1-qveBs0/php7.1-7.1.10/sapi/cli/php_cli_server.c:2503 params = {server = 0x555555bab840 <server>, rhandler = 0x555555857e40 <php_cli_server_recv_event_read_request>, whandler = 0x5555558567a0 <php_cli_server_send_event>} #13 php_cli_server_do_event_loop (server=0x555555bab840 <server>) at /build/php7.1-qveBs0/php7.1-7.1.10/sapi/cli/php_cli_server.c:2513 tv = {tv_sec = 0, tv_usec = 999978} #14 do_cli_server (argc=<optimized out>, argv=<optimized out>) at /build/php7.1-qveBs0/php7.1-7.1.10/sapi/cli/php_cli_server.c:2615 php_optarg = 0x555555bb5050 "/home/cweiske/Dev/php.net/php-webserver-crash" php_optind = 5 c = <optimized out> server_bind_address = <optimized out> document_root = <optimized out> router = 0x0 document_root_buf = "/home/cweiske/Dev/php.net/php-webserver-crash", '\000' <repeats 667 times>... #15 0x000055555563df64 in main (argc=5, argv=0x555555bb4f90) at /build/php7.1-qveBs0/php7.1-7.1.10/sapi/cli/php_cli.c:1384 __orig_bailout = 0x0 __bailout = {{__jmpbuf = {0, -8053096010305461771, 140737488347700, 0, 0, 93824998793504, -8053096010293927435, -4221857602584403467}, __mask_was_saved = 0, __saved_mask = {__val = {140737322714016, 140737324882848, 140737354125408, 140737354127720, 140737333497888, 0, 140737488348248, 140737354129864, 0, 5, 140737351948023, 1, 0, 140737354129864, 140737324951216, 1}}}} c = <optimized out> exit_status = 0 module_started = 1 sapi_started = 1 php_optarg = 0x555555bb5050 "/home/cweiske/Dev/php.net/php-webserver-crash" php_optind = 5 use_extended_info = 0 ini_path_override = 0x0 ini_entries = 0x0 ini_entries_len = 0 ini_ignore = 0 sapi_module = <optimized out> ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=75391&edit=1