PHP :: Bug #34673 :: apache2 + php4 + phpwiki crash

Bug #34673	apache2 + php4 + phpwiki crash
Submitted:	2005-09-28 21:39 UTC	Modified:	2005-09-29 10:37 UTC
From:	blfijgnk at no-spam dot hu	Assigned:
Status:	Not a bug	Package:	Apache2 related
PHP Version:	4.4.0	OS:	linux
Private report:	No	CVE-ID:	None

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From:	blfijgnk at no-spam dot hu
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[2005-09-28 21:39 UTC] blfijgnk at no-spam dot hu

Description:
------------
apache2 + php4 + phpwiki crash

when i try to sign in to wiki the server process crash.

[notice] child pid exit signal Segmentation fault (11)


Actual result:
--------------
#0  0x404076ac in vfprintf () from /lib/libc.so.6
#1  0x40427ba8 in vsnprintf () from /lib/libc.so.6
#2  0x4077e02d in zend_error (type=512, format=0x4091550a "%s") at /usr/src/php-4.4.0/Zend/zend.c:806
#3  0x4078a8d9 in zif_trigger_error (ht=2, return_value=0x887545c, this_ptr=0x0, return_value_used=0)
    at /usr/src/php-4.4.0/Zend/zend_builtin_functions.c:861
#4  0x407940df in execute (op_array=0x8612464) at /usr/src/php-4.4.0/Zend/zend_execute.c:1672
#5  0x4079435a in execute (op_array=0x8612464) at /usr/src/php-4.4.0/Zend/zend_execute.c:1716

.
.
.


#461 0x40796777 in execute (op_array=0x8426894) at /usr/src/php-4.4.0/Zend/zend_execute.c:2258
#462 0x4077e530 in zend_execute_scripts (type=8, retval=0x0, file_count=3) at /usr/src/php-4.4.0/Zend/zend.c:938
#463 0x4074045e in php_execute_script (primary_file=0xbffff510) at /usr/src/php-4.4.0/main/main.c:1751
#464 0x4079ae84 in php_handler (r=0x81e6338) at /usr/src/php-4.4.0/sapi/apache2handler/sapi_apache2.c:555
#465 0x08078375 in ap_run_handler ()
#466 0x08078980 in ap_invoke_handler ()
#467 0x08069c6a in ap_process_request ()
#468 0x0806512d in _start ()
#469 0x081e6338 in ?? ()
#470 0x00000004 in ?? ()
#471 0x081e6338 in ?? ()
#472 0x0808370c in ap_run_pre_connection ()
#473 0x080835c5 in ap_run_process_connection ()
#474 0x08076974 in ap_graceful_stop_signalled ()
#475 0x08076b8b in ap_graceful_stop_signalled ()
#476 0x08076be8 in ap_graceful_stop_signalled ()
#477 0x0807745a in ap_mpm_run ()
#478 0x0807da8d in main ()

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[2005-09-28 21:54 UTC] tony2001@php.net

Thank you for this bug report. To properly diagnose the problem, we
need a short but complete example script to be able to reproduce
this bug ourselves. 

A proper reproducing script starts with <?php and ends with ?>,
is max. 10-20 lines long and does not require any external 
resources such as databases, etc.

If possible, make the script source available online and provide
an URL to it here. Try to avoid embedding huge scripts into the report.

[2005-09-29 09:43 UTC] blfijgnk at no-spam dot hu

with xdebug, process don't crash, and send this message in html:

Fatal error: Maximum function nesting level of '64' reached, aborting! in /usr/share/phpwiki/lib/ErrorManager.php on line 844
Call Stack
#	Function	Location
1	{main}()	/usr/share/phpwiki/index.php:0
2	include()	/usr/share/phpwiki/index.php:55
3	main()	/usr/share/phpwiki/lib/main.php:936
4	wikirequest->wikirequest()	/usr/share/phpwiki/lib/main.php:871
5	wikiuser()	/usr/share/phpwiki/lib/main.php:73
6	_determineadminuserorotheruser()	/usr/share/phpwiki/lib/WikiUserNew.php:229
7	_determinebogouserorpassuser()	/usr/share/phpwiki/lib/WikiUserNew.php:173
8	_passuser->userexists()	/usr/share/phpwiki/lib/WikiUserNew.php:197
9	_peardbpassuser->userexists()	/usr/share/phpwiki/lib/WikiUserNew.php:1078
10	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1595
11	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
12	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
13	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
14	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
15	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
16	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
17	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
18	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
19	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
20	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
21	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
22	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
23	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
24	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
25	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
26	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
27	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
28	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
29	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
30	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
31	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
32	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
33	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
34	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
35	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
36	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
37	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
38	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
39	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
40	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
41	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
42	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
43	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
44	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
45	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
46	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
47	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
48	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
49	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
50	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
51	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
52	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
53	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
54	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
55	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
56	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
57	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
58	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
59	trigger_error ()	/usr/share/phpwiki/lib/WikiUserNew.php:1012
60	errormanager_errorhandler()	/usr/share/phpwiki/lib/ErrorManager.php:1012
61	errormanager->handleerror()	/usr/share/phpwiki/lib/ErrorManager.php:273
62	wikimethodcb->call()	/usr/share/phpwiki/lib/ErrorManager.php:188
63	wikimethodcb->call_array()	/usr/share/phpwiki/lib/WikiCallback.php:49
64	wikidb_backend_sqlite->_pear_notice_filter()	/usr/share/phpwiki/lib/WikiCallback.php:147

Fatal error: Maximum function nesting level of '64' reached, aborting! in Unknown on line 0
Call Stack
#	Function	Location
1	{main}()	/usr/share/phpwiki/index.php:0
2	include()	/usr/share/phpwiki/index.php:55
3	main()	/usr/share/phpwiki/lib/main.php:936
4	wikirequest->wikirequest()	/usr/share/phpwiki/lib/main.php:871
5	wikiuser()	/usr/share/phpwiki/lib/main.php:73
6	_determineadminuserorotheruser()	/usr/share/phpwiki/lib/WikiUserNew.php:229
7	_determinebogouserorpassuser()	/usr/share/phpwiki/lib/WikiUserNew.php:173
8	_passuser->userexists()	/usr/share/phpwiki/lib/WikiUserNew.php:197
9	_peardbpassuser->userexists()	/usr/share/phpwiki/lib/WikiUserNew.php:1078
10	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1595
11	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
12	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
13	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
14	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
15	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
16	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
17	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
18	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
19	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
20	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
21	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
22	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
23	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
24	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
25	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
26	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
27	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
28	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
29	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
30	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
31	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
32	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
33	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
34	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
35	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
36	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
37	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
38	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
39	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
40	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
41	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
42	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
43	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
44	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
45	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
46	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
47	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
48	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
49	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
50	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
51	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
52	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
53	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
54	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
55	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
56	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
57	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
58	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
59	trigger_error ()	/usr/share/phpwiki/lib/WikiUserNew.php:1012
60	errormanager_errorhandler()	/usr/share/phpwiki/lib/ErrorManager.php:1012
61	errormanager->handleerror()	/usr/share/phpwiki/lib/ErrorManager.php:273
62	wikimethodcb->call()	/usr/share/phpwiki/lib/ErrorManager.php:188
63	wikimethodcb->call_array()	/usr/share/phpwiki/lib/WikiCallback.php:49
64	wikidb_backend_sqlite->_pear_notice_filter()	/usr/share/phpwiki/lib/WikiCallback.php:147

Warning: Unknown(): A session is active. You cannot change the session module's ini settings at this time. in Unknown on line 0
Call Stack
#	Function	Location
1	{main}()	/usr/share/phpwiki/index.php:0
2	include()	/usr/share/phpwiki/index.php:55
3	main()	/usr/share/phpwiki/lib/main.php:936
4	wikirequest->wikirequest()	/usr/share/phpwiki/lib/main.php:871
5	wikiuser()	/usr/share/phpwiki/lib/main.php:73
6	_determineadminuserorotheruser()	/usr/share/phpwiki/lib/WikiUserNew.php:229
7	_determinebogouserorpassuser()	/usr/share/phpwiki/lib/WikiUserNew.php:173
8	_passuser->userexists()	/usr/share/phpwiki/lib/WikiUserNew.php:197
9	_peardbpassuser->userexists()	/usr/share/phpwiki/lib/WikiUserNew.php:1078
10	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1595
11	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
12	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
13	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
14	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
15	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
16	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
17	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
18	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
19	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
20	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
21	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
22	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
23	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
24	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
25	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
26	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
27	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
28	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
29	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
30	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
31	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
32	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
33	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
34	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
35	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
36	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
37	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
38	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
39	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
40	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
41	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
42	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
43	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
44	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
45	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
46	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
47	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
48	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
49	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
50	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
51	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
52	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
53	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
54	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
55	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
56	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
57	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
58	_peardbpassuser->prepare()	/usr/share/phpwiki/lib/WikiUserNew.php:1013
59	trigger_error ()	/usr/share/phpwiki/lib/WikiUserNew.php:1012
60	errormanager_errorhandler()	/usr/share/phpwiki/lib/ErrorManager.php:1012
61	errormanager->handleerror()	/usr/share/phpwiki/lib/ErrorManager.php:273
62	wikimethodcb->call()	/usr/share/phpwiki/lib/ErrorManager.php:188
63	wikimethodcb->call_array()	/usr/share/phpwiki/lib/WikiCallback.php:49
64	wikidb_backend_sqlite->_pear_notice_filter()	/usr/share/phpwiki/lib/WikiCallback.php:147

[2005-09-29 10:37 UTC] derick@php.net

Well, that shows that there is an infinite loop in your PHP code somewhere. This is when PHP is allowed to crash - Xdebug merely helps you find the problem here.

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