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[2009-04-02 00:36 UTC] mbeccati@php.net
[2009-04-02 09:11 UTC] mbeccati@php.net
[2009-04-06 12:59 UTC] jani@php.net
[2009-04-06 13:05 UTC] mbeccati@php.net
[2009-04-26 15:43 UTC] jani@php.net
[2009-04-27 11:46 UTC] mbeccati@php.net
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Last updated: Wed May 14 03:01:27 2025 UTC |
Description: ------------ Again, another bug happening in a unit test of OpenX. The problem always happens in the same test at the same point. What happens is that a simple array() call is returning NULL on my FreeBSD system. The same test generates a segmentation fault when run on our Linux based continuous integration system. Unfortunately I can't create a self-contained test case, but I can provide access to the system or more data. I will also attach a backtrace of the core dump (which might even not be happening at the same place as the FreeBSD failure). Reproduce code: --------------- $ids = array(); echo 'On FreeBSD: '; var_dump($ids); Expected result: ---------------- On FreeBSD: Array () Actual result: -------------- On FreeBSD: NULL Backtrace (Linux): Program terminated with signal 11, Segmentation fault. (gdb) bt full #0 ZEND_ASSIGN_SPEC_CV_VAR_HANDLER (execute_data=0x2aaaaecf02d8) at /usr/local/src/php-5.3.0RC1/Zend/zend_execute.c:664 opline = (zend_op *) 0x12eb418 free_op2 = {var = 0x273c0d0} value = (zval *) 0x1 variable_ptr_ptr = (zval **) 0x2a0e848 #1 0x00000000007242fb in execute (op_array=0x10fdf40) at /usr/local/src/php-5.3.0RC1/Zend/zend_vm_execute.h:104 ret = <value optimized out> execute_data = (zend_execute_data *) 0x2aaaaecf02d8 nested = 1 '\001' original_in_execution = 0 '\0' #2 0x0000000000701306 in zend_execute_scripts (type=8, retval=0x0, file_count=3) at /usr/local/src/php-5.3.0RC1/Zend/zend.c:1188 files = {{gp_offset = 40, fp_offset = 73, overflow_arg_area = 0x7fffbdf97f10, reg_save_area = 0x7fffbdf97e20}} i = 1 file_handle = (zend_file_handle *) 0x7fffbdf9a3e0 orig_op_array = (zend_op_array *) 0x0 orig_retval_ptr_ptr = (zval **) 0x0 #3 0x00000000006ae155 in php_execute_script (primary_file=0x7fffbdf9a3e0) at /usr/local/src/php-5.3.0RC1/main/main.c:2157 __orig_bailout = (jmp_buf *) 0x7fffbdf9a1c0 __bailout = {{__jmpbuf = {15364672, 903771196811129754, 1, 0, 0, 0, 903771196811177402, 903720367174677233}, __mask_was_saved = 0, __saved_mask = {__val = {48, 7, 15372768, 9416, 216135044429, 17634384, 229440404087961, 48, 7403025, 15235744, 0, 206158430215, 140736380641392, 17634352, 17634352, 140736380641392}}}} prepend_file_p = (zend_file_handle *) 0x0 append_file_p = (zend_file_handle *) 0x8 prepend_file = {type = ZEND_HANDLE_FILENAME, filename = 0x0, opened_path = 0x0, handle = {fd = 0, fp = 0x0, stream = {handle = 0x0, isatty = 0, mmap = {len = 0, pos = 0, map = 0x0, buf = 0x0, old_handle = 0x0, old_closer = 0}, reader = 0, fsizer = 0, closer = 0}}, free_filename = 0 '\0'} append_file = {type = ZEND_HANDLE_FILENAME, filename = 0x0, opened_path = 0x0, handle = {fd = 0, fp = 0x0, stream = {handle = 0x0, isatty = 0, mmap = {len = 0, pos = 0, map = 0x0, buf = 0x0, old_handle = 0x0, old_closer = 0}, reader = 0, fsizer = 0, closer = 0}}, free_filename = 0 '\0'} old_cwd = 0x7fffbdf97f20 "" retval = 0 #4 0x000000000078bcee in main (argc=10, argv=0x7fffbdf9a658) at /usr/local/src/php-5.3.0RC1/sapi/cli/php_cli.c:1159 __bailout = {{__jmpbuf = {216132590528, 903720367176127146, 0, 140736380642896, 110, 0, 903771196811129834, 903720367173477278}, __mask_was_saved = 0, __saved_mask = {__val = {140736380642608, 140736380642416, 57, 112, 15369344, 15369328, 216135048496, 216138037600, 81, 140736380641952, 216135037715, 47, 96, 50, 216130423719, 15369344}}}} exit_status = 0 c = <value optimized out> file_handle = {type = ZEND_HANDLE_MAPPED, filename = 0x7fffbdf9a935 "run.php", opened_path = 0x0, handle = {fd = 17477016, fp = 0x10aad98, stream = {handle = 0x10aad98, isatty = 0, mmap = { len = 5351, pos = 0, map = 0x2aaaaed69000, buf = 0x2aaaaed69000 "", old_handle = 0x10d10b0, old_closer = 0x715dd0 <zend_stream_stdio_closer>}, reader = 0x716390 <zend_stream_stdio_reader>, fsizer = 0x7162d0 <zend_stream_stdio_fsizer>, closer = 0x716320 <zend_stream_mmap_closer>}}, free_filename = 0 '\0'} behavior = 1 reflection_what = 0x0 orig_optind = 1 orig_optarg = 0x0 arg_free = 0x7fffbdf9a935 "run.php" arg_excp = <value optimized out> script_file = 0x7fffbdf9a935 "run.php" interactive = 0 module_started = 1 request_started = 1 lineno = 1 exec_direct = 0x0 exec_run = 0x0 exec_begin = 0x0 exec_end = 0x0 param_error = <value optimized out> hide_argv = 0 ini_entries_len = <value optimized out>