#46194 [Ctl->Fbk]: SIGSEGV when requested file is not found

ID: 46194 Updated by: cellog@php.net Reported By: xuefer at gmail dot com -Status: Critical +Status: Feedback Bug Type: PHAR related Operating System: linux PHP Version: 5.3CVS-2008-09-29 (CVS) -Assigned To: +Assigned To: cellog New Comment: Please try this simple patch found at http://pear.php.net/~greg/fixbug46194.patch.txt Index: ext/phar/phar.c =================================================================== RCS file: /repository/php-src/ext/phar/phar.c,v retrieving revision 1.370.2.45 diff -u -r1.370.2.45 phar.c --- ext/phar/phar.c 13 Sep 2008 22:30:55 -0000 1.370.2.45 +++ ext/phar/phar.c 29 Sep 2008 13:00:22 -0000 @@ -3286,6 +3286,9 @@ int failed; phar_archive_data *phar; + if (!file_handle || !file_handle->filename) { + return phar_orig_compile_file(file_handle, type TSRMLS_CC); + } if (strstr(file_handle->filename, ".phar") && !strstr(file_handle->filename, "://")) { if (SUCCESS == phar_open_from_filename(file_handle->filename, strlen(file_handle->filename), NULL, 0, 0, &phar, NULL TSRMLS_CC)) { if (phar->is_zip || phar->is_tar) { Previous Comments: ------------------------------------------------------------------------ [2008-09-29 11:13:16] jani@php.net Seems to be PHAR related issue (once again) so the quick fix: disable phar. This is quite critical bug.. ------------------------------------------------------------------------ [2008-09-29 03:13:05] xuefer at gmail dot com Description: ------------ i have setup lighttpd + fastcgi + php, it used to work with old php but not with 5.3 (not sure about 5.2) "localhost:1026" => ( "host" => "127.0.0.1", "port" => 2048, "check-local" => "disable", "disable-time" => 1, "broken-scriptfilename" => "enable", ), be aware that it is check-local => disable, which mean lighttpd won't check if the file is exists but will forward the request to php anyway when i try to request a non existing file, php SIGSEGV Program received signal SIGSEGV, Segmentation fault. 0x4b319f51 in strstr () from /lib/libc.so.6 (gdb) bt #0 0x4b319f51 in strstr () from /lib/libc.so.6 #1 0x082292c1 in phar_compile_file (file_handle=0xbfec434c, type=8) at /home/xuefer/src/php/php5/ext/phar/phar.c:3294 #2 0x0849d9b2 in zend_execute_scripts (type=8, retval=0x0, file_count=3) at /home/xuefer/src/php/php5/Zend/zend.c:1189 #3 0x08433dbb in php_execute_script (primary_file=0xbfec434c) at /home/xuefer/src/php/php5/main/main.c:2080 #4 0x0852e362 in main (argc=3, argv=0xbfec44b4) at /home/xuefer/src/php/php5/sapi/cgi/cgi_main.c:1980 (gdb) up #1 0x082292c1 in phar_compile_file (file_handle=0xbfec434c, type=8) at /home/xuefer/src/php/php5/ext/phar/phar.c:3294 3294 if (strstr(file_handle->filename, ".phar") && !strstr(file_handle->filename, "://")) { (gdb) p file_handle[0] $2 = {type = ZEND_HANDLE_FILENAME, filename = 0x0, opened_path = 0x0, handle = {fd = 0, fp = 0x0, stream = {handle = 0x0, isatty = 0, mmap = {len = 0, pos = 1, map = 0x83f, buf = 0xb7f14878 "j®\t\b\020ii\r", old_handle = 0xb7f15000, old_closer = 0x807ba17}, reader = 0x4b2b9840, fsizer = 0x805f4a4, closer = 0x1}}, free_filename = 0 '\0'} ------------------------------------------------------------------------ -- Edit this bug report at http://bugs.php.net/?id=46194&edit=1