ID: 40805
User updated by: michael at bluemoon dot com
-Summary: Failure excecuting function ibase_execute()
Reported By: michael at bluemoon dot com
-Status: Feedback
+Status: Open
Bug Type: InterBase related
Operating System: Red Hat Ent. Linux WS rel 4
PHP Version: 5.2.1
New Comment:

Boy, you sure are making us work for this! Here you go...

[root@test tmp]# gdb /usr/local/apache/sbin/httpd
GNU gdb Red Hat Linux (6.3.0.0-1.132.EL4rh)
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and
you are
welcome to change it and/or distribute copies of it under certain
conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB. Type "show warranty" for
details.
This GDB was configured as "i386-redhat-linux-gnu"...Using host
libthread_db lib
rary "/lib/tls/libthread_db.so.1".

(gdb) run -X
Starting program: /usr/local/apache/sbin/httpd -X
[Thread debugging using libthread_db enabled]
[New Thread -1208137504 (LWP 19391)]

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread -1208137504 (LWP 19391)]
0x0028676a in __strptime_internal () from /lib/tls/libc.so.6
(gdb) bt
#0 0x0028676a in __strptime_internal () from /lib/tls/libc.so.6
#1 0x00285728 in strptime () from /lib/tls/libc.so.6
#2 0x0108e22c in _php_ibase_bind (sqlda=0xb7a99734,
b_vars=0xbfedb684,
buf=0xb7aab63c, ib_query=0xb7b6a170)
at /home/lee/php5.2-200703142330/ext/interbase/ibase_query.c:691
#3 0x0108eeb0 in _php_ibase_exec (ht=484, return_value=0xb7aefd34,
return_value_ptr=0x0, this_ptr=0x0, return_value_used=1,
ib_resultp=0xbfedbe34, ib_query=0xb7b6a170, args=0xbfedb684)
at /home/lee/php5.2-200703142330/ext/interbase/ibase_query.c:947
#4 0x0109148b in zif_ibase_execute (ht=484, return_value=0xb7aefd34,
return_value_ptr=0x0, this_ptr=0x0, return_value_used=1)
at /home/lee/php5.2-200703142330/ext/interbase/ibase_query.c:1843
#5 0x012a7369 in zend_do_fcall_common_helper_SPEC
(execute_data=0xbfee0ae0)
at /home/lee/php5.2-200703142330/Zend/zend_vm_execute.h:200
#6 0x012abdc2 in ZEND_DO_FCALL_SPEC_CONST_HANDLER
(execute_data=0xbfee0ae0)
at /home/lee/php5.2-200703142330/Zend/zend_vm_execute.h:1681
#7 0x012a6f7e in execute (op_array=0xb7af81c8)
at /home/lee/php5.2-200703142330/Zend/zend_vm_execute.h:92
#8 0x012b1a80 in ZEND_INCLUDE_OR_EVAL_SPEC_TMP_HANDLER (
execute_data=0xbfee2020)
at /home/lee/php5.2-200703142330/Zend/zend_vm_execute.h:4597
#9 0x012a6f7e in execute (op_array=0xb7bef424)
at /home/lee/php5.2-200703142330/Zend/zend_vm_execute.h:92
#10 0x012a749e in zend_do_fcall_common_helper_SPEC
(execute_data=0xbfee33d0)
at /home/lee/php5.2-200703142330/Zend/zend_vm_execute.h:234
#11 0x012a7d7f in ZEND_DO_FCALL_BY_NAME_SPEC_HANDLER
(execute_data=0xbfee33d0)
at /home/lee/php5.2-200703142330/Zend/zend_vm_execute.h:322
#12 0x012a6f7e in execute (op_array=0xb7c28684)
at /home/lee/php5.2-200703142330/Zend/zend_vm_execute.h:92
#13 0x012a749e in zend_do_fcall_common_helper_SPEC
(execute_data=0xbfee8fc0)
at /home/lee/php5.2-200703142330/Zend/zend_vm_execute.h:234
#14 0x012a7d7f in ZEND_DO_FCALL_BY_NAME_SPEC_HANDLER
(execute_data=0xbfee8fc0)
at /home/lee/php5.2-200703142330/Zend/zend_vm_execute.h:322
#15 0x012a6f7e in execute (op_array=0xb7f23978)
at /home/lee/php5.2-200703142330/Zend/zend_vm_execute.h:92
#16 0x01287c86 in zend_execute_scripts (type=8, retval=0x0,
file_count=3)
at /home/lee/php5.2-200703142330/Zend/zend.c:1134
#17 0x01240f36 in php_execute_script (primary_file=0xbfeeb290)
at /home/lee/php5.2-200703142330/main/main.c:1788
#18 0x012ed26d in php_handler (r=0x969a4b8)
at /home/lee/php5.2-200703142330/sapi/apache2handler/
sapi_apache2.c:623
#19 0x08092d36 in ap_run_handler (r=0x969a4b8) at config.c:151
#20 0x08093101 in ap_invoke_handler (r=0x969a4b8) at config.c:363
#21 0x080828c1 in ap_process_request (r=0x969a4b8) at http_request.c:
246
#22 0x0807e5d5 in ap_process_http_connection (c=0x968ffc0) at
http_core.c:250
#23 0x0809c1ae in ap_run_process_connection (c=0x968ffc0) at
connection.c:42
#24 0x08091511 in child_main (child_num_arg=47) at prefork.c:609
#25 0x08091705 in make_child (s=0x94f0fa0, slot=0) at prefork.c:649
#26 0x080917cc in startup_children (number_to_start=8) at prefork.c:
721
#27 0x08091e9f in ap_mpm_run (_pconf=0xbfeeb5d0, plog=0x9524188,
s=0xbfeeb5d4)
at prefork.c:940
#28 0x08096f4f in main (argc=2, argv=0xbfeeb774) at main.c:617
(gdb) f 2
#2 0x0108e22c in _php_ibase_bind (sqlda=0xb7a99734,
b_vars=0xbfedb684,
buf=0xb7aab63c, ib_query=0xb7b6a170)
at /home/lee/php5.2-200703142330/ext/interbase/ibase_query.c:691
691 if (!strptime
(Z_STRVAL_P(b_var),
format, t)) {
(gdb) p format
$1 = 0x13574bc "%Y-%m-%d %H:%M:%S"
(gdb) p t
$2 = (struct tm *) 0x0
(gdb) p *t
Cannot access memory at address 0x0
(gdb) p *b_var
$3 = {value = {lval = -1213666912, dval = 2.2742322573904564e-313, str

= {
val = 0xb7a8e9a0 "01/31/2099", len = 10}, ht = 0xb7a8e9a0, obj =

{
handle = 3081300384, handlers = 0xa}}, refcount = 1, type = 6
'\006',
is_ref = 0 '\0'}
(gdb)


Previous Comments:
------------------------------------------------------------------------

[2007-03-15 21:38:13] tony2001@php.net

Please do the following after generating the backtrace (type these
commands in GDB console):
f 2
p format
p t
p *t
p *b_var

And paste their output here. Thanks.

------------------------------------------------------------------------

[2007-03-15 21:32:01] michael at bluemoon dot com

For some reason, I can't seem to get a successful core dump. Here is
the backtrace though...

[root@test tmp]# gdb /usr/local/apache/sbin/httpd
GNU gdb Red Hat Linux (6.3.0.0-1.132.EL4rh)
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and
you are
welcome to change it and/or distribute copies of it under certain
conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB. Type "show warranty" for
details.
This GDB was configured as "i386-redhat-linux-gnu"...Using host
libthread_db lib
rary "/lib/tls/libthread_db.so.1".

(gdb) run -X
Starting program: /usr/local/apache/sbin/httpd -X
[Thread debugging using libthread_db enabled]
[New Thread -1208407840 (LWP 19291)]

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread -1208407840 (LWP 19291)]
0x0028676a in __strptime_internal () from /lib/tls/libc.so.6
(gdb) bt
#0 0x0028676a in __strptime_internal () from /lib/tls/libc.so.6
#1 0x00285728 in strptime () from /lib/tls/libc.so.6
#2 0x00e3a22c in _php_ibase_bind (sqlda=0xb7a57734,
b_vars=0xbfe9b4b4,
buf=0xb7a6963c, ib_query=0xb7b28170)
at /home/lee/php5.2-200703142330/ext/interbase/ibase_query.c:691
#3 0x00e3aeb0 in _php_ibase_exec (ht=484, return_value=0xb7aadd34,
return_value_ptr=0x0, this_ptr=0x0, return_value_used=1,
ib_resultp=0xbfe9bc64, ib_query=0xb7b28170, args=0xbfe9b4b4)
at /home/lee/php5.2-200703142330/ext/interbase/ibase_query.c:947
#4 0x00e3d48b in zif_ibase_execute (ht=484, return_value=0xb7aadd34,
return_value_ptr=0x0, this_ptr=0x0, return_value_used=1)
at /home/lee/php5.2-200703142330/ext/interbase/ibase_query.c:1843
#5 0x01053369 in zend_do_fcall_common_helper_SPEC
(execute_data=0xbfea0910)
at /home/lee/php5.2-200703142330/Zend/zend_vm_execute.h:200
#6 0x01057dc2 in ZEND_DO_FCALL_SPEC_CONST_HANDLER
(execute_data=0xbfea0910)
at /home/lee/php5.2-200703142330/Zend/zend_vm_execute.h:1681
#7 0x01052f7e in execute (op_array=0xb7ab61c8)
at /home/lee/php5.2-200703142330/Zend/zend_vm_execute.h:92
#8 0x0105da80 in ZEND_INCLUDE_OR_EVAL_SPEC_TMP_HANDLER (
execute_data=0xbfea1e50)
at /home/lee/php5.2-200703142330/Zend/zend_vm_execute.h:4597
#9 0x01052f7e in execute (op_array=0xb7bad424)
at /home/lee/php5.2-200703142330/Zend/zend_vm_execute.h:92
#10 0x0105349e in zend_do_fcall_common_helper_SPEC
(execute_data=0xbfea3200)
at /home/lee/php5.2-200703142330/Zend/zend_vm_execute.h:234
#11 0x01053d7f in ZEND_DO_FCALL_BY_NAME_SPEC_HANDLER
(execute_data=0xbfea3200)
at /home/lee/php5.2-200703142330/Zend/zend_vm_execute.h:322
#12 0x01052f7e in execute (op_array=0xb7be6684)
at /home/lee/php5.2-200703142330/Zend/zend_vm_execute.h:92
#13 0x0105349e in zend_do_fcall_common_helper_SPEC
(execute_data=0xbfea8df0)
at /home/lee/php5.2-200703142330/Zend/zend_vm_execute.h:234
#14 0x01053d7f in ZEND_DO_FCALL_BY_NAME_SPEC_HANDLER
(execute_data=0xbfea8df0)
at /home/lee/php5.2-200703142330/Zend/zend_vm_execute.h:322
#15 0x01052f7e in execute (op_array=0xb7ee1978)
at /home/lee/php5.2-200703142330/Zend/zend_vm_execute.h:92
#16 0x01033c86 in zend_execute_scripts (type=8, retval=0x0,
file_count=3)
at /home/lee/php5.2-200703142330/Zend/zend.c:1134
#17 0x00fecf36 in php_execute_script (primary_file=0xbfeab0c0)
at /home/lee/php5.2-200703142330/main/main.c:1788
#18 0x0109926d in php_handler (r=0x8adc500)
at /home/lee/php5.2-200703142330/sapi/apache2handler/
sapi_apache2.c:623
#19 0x08092d36 in ap_run_handler (r=0x8adc500) at config.c:151
#20 0x08093101 in ap_invoke_handler (r=0x8adc500) at config.c:363
#21 0x080828c1 in ap_process_request (r=0x8adc500) at http_request.c:
246
#22 0x0807e5d5 in ap_process_http_connection (c=0x8ad1fe8) at
http_core.c:250
#23 0x0809c1ae in ap_run_process_connection (c=0x8ad1fe8) at
connection.c:42
#24 0x08091511 in child_main (child_num_arg=47) at prefork.c:609
#25 0x08091705 in make_child (s=0x8932fa0, slot=0) at prefork.c:649
#26 0x080917cc in startup_children (number_to_start=8) at prefork.c:
721
---Type <return> to continue, or q <return> to quit---
#27 0x08091e9f in ap_mpm_run (_pconf=0xbfeab400, plog=0x8966188,
s=0xbfeab404)
at prefork.c:940
#28 0x08096f4f in main (argc=2, argv=0xbfeab5a4) at main.c:617

------------------------------------------------------------------------

[2007-03-15 16:37:22] tony2001@php.net

Thank you for this bug report. To properly diagnose the problem, we
need a backtrace to see what is happening behind the scenes. To
find out how to generate a backtrace, please read
http://bugs.php.net/bugs-generating-backtrace.php for *NIX and
http://bugs.php.net/bugs-generating-backtrace-win32.php for Win32

Once you have generated a backtrace, please submit it to this bug
report and change the status back to "Open". Thank you for helping
us make PHP better.

------------------------------------------------------------------------

[2007-03-15 16:28:08] michael at bluemoon dot com

Checked Apache error_log. This is the entry that is logged at time of
failure:

[Thu Mar 15 11:22:59 2007] [notice] child pid 29396 exit signal
Segmentation fault (11)

------------------------------------------------------------------------

[2007-03-15 13:00:05] tony2001@php.net

Check your Apache error_log.

------------------------------------------------------------------------

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
http://bugs.php.net/40805

--
Edit this bug report at http://bugs.php.net/?id=40805&edit=1

ID: 40805
Updated by: tony2001@php.net
Reported By: michael at bluemoon dot com
-Status: Open
+Status: Feedback
Bug Type: InterBase related
Operating System: Red Hat Ent. Linux WS rel 4
PHP Version: 5.2.1
New Comment:

I can't test it myself, so please try the next snapshot (will be
available in a couple of hours), the issue should be fixed there.
Thanks.


Previous Comments:
------------------------------------------------------------------------

[2007-03-15 22:10:55] michael at bluemoon dot com

Boy, you sure are making us work for this! Here you go...

[root@test tmp]# gdb /usr/local/apache/sbin/httpd
GNU gdb Red Hat Linux (6.3.0.0-1.132.EL4rh)
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and
you are
welcome to change it and/or distribute copies of it under certain
conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB. Type "show warranty" for
details.
This GDB was configured as "i386-redhat-linux-gnu"...Using host
libthread_db lib
rary "/lib/tls/libthread_db.so.1".

(gdb) run -X
Starting program: /usr/local/apache/sbin/httpd -X
[Thread debugging using libthread_db enabled]
[New Thread -1208137504 (LWP 19391)]

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread -1208137504 (LWP 19391)]
0x0028676a in __strptime_internal () from /lib/tls/libc.so.6
(gdb) bt
#0 0x0028676a in __strptime_internal () from /lib/tls/libc.so.6
#1 0x00285728 in strptime () from /lib/tls/libc.so.6
#2 0x0108e22c in _php_ibase_bind (sqlda=0xb7a99734,
b_vars=0xbfedb684,
buf=0xb7aab63c, ib_query=0xb7b6a170)
at /home/lee/php5.2-200703142330/ext/interbase/ibase_query.c:691
#3 0x0108eeb0 in _php_ibase_exec (ht=484, return_value=0xb7aefd34,
return_value_ptr=0x0, this_ptr=0x0, return_value_used=1,
ib_resultp=0xbfedbe34, ib_query=0xb7b6a170, args=0xbfedb684)
at /home/lee/php5.2-200703142330/ext/interbase/ibase_query.c:947
#4 0x0109148b in zif_ibase_execute (ht=484, return_value=0xb7aefd34,
return_value_ptr=0x0, this_ptr=0x0, return_value_used=1)
at /home/lee/php5.2-200703142330/ext/interbase/ibase_query.c:1843
#5 0x012a7369 in zend_do_fcall_common_helper_SPEC
(execute_data=0xbfee0ae0)
at /home/lee/php5.2-200703142330/Zend/zend_vm_execute.h:200
#6 0x012abdc2 in ZEND_DO_FCALL_SPEC_CONST_HANDLER
(execute_data=0xbfee0ae0)
at /home/lee/php5.2-200703142330/Zend/zend_vm_execute.h:1681
#7 0x012a6f7e in execute (op_array=0xb7af81c8)
at /home/lee/php5.2-200703142330/Zend/zend_vm_execute.h:92
#8 0x012b1a80 in ZEND_INCLUDE_OR_EVAL_SPEC_TMP_HANDLER (
execute_data=0xbfee2020)
at /home/lee/php5.2-200703142330/Zend/zend_vm_execute.h:4597
#9 0x012a6f7e in execute (op_array=0xb7bef424)
at /home/lee/php5.2-200703142330/Zend/zend_vm_execute.h:92
#10 0x012a749e in zend_do_fcall_common_helper_SPEC
(execute_data=0xbfee33d0)
at /home/lee/php5.2-200703142330/Zend/zend_vm_execute.h:234
#11 0x012a7d7f in ZEND_DO_FCALL_BY_NAME_SPEC_HANDLER
(execute_data=0xbfee33d0)
at /home/lee/php5.2-200703142330/Zend/zend_vm_execute.h:322
#12 0x012a6f7e in execute (op_array=0xb7c28684)
at /home/lee/php5.2-200703142330/Zend/zend_vm_execute.h:92
#13 0x012a749e in zend_do_fcall_common_helper_SPEC
(execute_data=0xbfee8fc0)
at /home/lee/php5.2-200703142330/Zend/zend_vm_execute.h:234
#14 0x012a7d7f in ZEND_DO_FCALL_BY_NAME_SPEC_HANDLER
(execute_data=0xbfee8fc0)
at /home/lee/php5.2-200703142330/Zend/zend_vm_execute.h:322
#15 0x012a6f7e in execute (op_array=0xb7f23978)
at /home/lee/php5.2-200703142330/Zend/zend_vm_execute.h:92
#16 0x01287c86 in zend_execute_scripts (type=8, retval=0x0,
file_count=3)
at /home/lee/php5.2-200703142330/Zend/zend.c:1134
#17 0x01240f36 in php_execute_script (primary_file=0xbfeeb290)
at /home/lee/php5.2-200703142330/main/main.c:1788
#18 0x012ed26d in php_handler (r=0x969a4b8)
at /home/lee/php5.2-200703142330/sapi/apache2handler/
sapi_apache2.c:623
#19 0x08092d36 in ap_run_handler (r=0x969a4b8) at config.c:151
#20 0x08093101 in ap_invoke_handler (r=0x969a4b8) at config.c:363
#21 0x080828c1 in ap_process_request (r=0x969a4b8) at http_request.c:
246
#22 0x0807e5d5 in ap_process_http_connection (c=0x968ffc0) at
http_core.c:250
#23 0x0809c1ae in ap_run_process_connection (c=0x968ffc0) at
connection.c:42
#24 0x08091511 in child_main (child_num_arg=47) at prefork.c:609
#25 0x08091705 in make_child (s=0x94f0fa0, slot=0) at prefork.c:649
#26 0x080917cc in startup_children (number_to_start=8) at prefork.c:
721
#27 0x08091e9f in ap_mpm_run (_pconf=0xbfeeb5d0, plog=0x9524188,
s=0xbfeeb5d4)
at prefork.c:940
#28 0x08096f4f in main (argc=2, argv=0xbfeeb774) at main.c:617
(gdb) f 2
#2 0x0108e22c in _php_ibase_bind (sqlda=0xb7a99734,
b_vars=0xbfedb684,
buf=0xb7aab63c, ib_query=0xb7b6a170)
at /home/lee/php5.2-200703142330/ext/interbase/ibase_query.c:691
691 if (!strptime
(Z_STRVAL_P(b_var),
format, t)) {
(gdb) p format
$1 = 0x13574bc "%Y-%m-%d %H:%M:%S"
(gdb) p t
$2 = (struct tm *) 0x0
(gdb) p *t
Cannot access memory at address 0x0
(gdb) p *b_var
$3 = {value = {lval = -1213666912, dval = 2.2742322573904564e-313, str

= {
val = 0xb7a8e9a0 "01/31/2099", len = 10}, ht = 0xb7a8e9a0, obj =

{
handle = 3081300384, handlers = 0xa}}, refcount = 1, type = 6
'\006',
is_ref = 0 '\0'}
(gdb)

------------------------------------------------------------------------

[2007-03-15 21:38:13] tony2001@php.net

Please do the following after generating the backtrace (type these
commands in GDB console):
f 2
p format
p t
p *t
p *b_var

And paste their output here. Thanks.

------------------------------------------------------------------------

[2007-03-15 21:32:01] michael at bluemoon dot com

For some reason, I can't seem to get a successful core dump. Here is
the backtrace though...

[root@test tmp]# gdb /usr/local/apache/sbin/httpd
GNU gdb Red Hat Linux (6.3.0.0-1.132.EL4rh)
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and
you are
welcome to change it and/or distribute copies of it under certain
conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB. Type "show warranty" for
details.
This GDB was configured as "i386-redhat-linux-gnu"...Using host
libthread_db lib
rary "/lib/tls/libthread_db.so.1".

(gdb) run -X
Starting program: /usr/local/apache/sbin/httpd -X
[Thread debugging using libthread_db enabled]
[New Thread -1208407840 (LWP 19291)]

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread -1208407840 (LWP 19291)]
0x0028676a in __strptime_internal () from /lib/tls/libc.so.6
(gdb) bt
#0 0x0028676a in __strptime_internal () from /lib/tls/libc.so.6
#1 0x00285728 in strptime () from /lib/tls/libc.so.6
#2 0x00e3a22c in _php_ibase_bind (sqlda=0xb7a57734,
b_vars=0xbfe9b4b4,
buf=0xb7a6963c, ib_query=0xb7b28170)
at /home/lee/php5.2-200703142330/ext/interbase/ibase_query.c:691
#3 0x00e3aeb0 in _php_ibase_exec (ht=484, return_value=0xb7aadd34,
return_value_ptr=0x0, this_ptr=0x0, return_value_used=1,
ib_resultp=0xbfe9bc64, ib_query=0xb7b28170, args=0xbfe9b4b4)
at /home/lee/php5.2-200703142330/ext/interbase/ibase_query.c:947
#4 0x00e3d48b in zif_ibase_execute (ht=484, return_value=0xb7aadd34,
return_value_ptr=0x0, this_ptr=0x0, return_value_used=1)
at /home/lee/php5.2-200703142330/ext/interbase/ibase_query.c:1843
#5 0x01053369 in zend_do_fcall_common_helper_SPEC
(execute_data=0xbfea0910)
at /home/lee/php5.2-200703142330/Zend/zend_vm_execute.h:200
#6 0x01057dc2 in ZEND_DO_FCALL_SPEC_CONST_HANDLER
(execute_data=0xbfea0910)
at /home/lee/php5.2-200703142330/Zend/zend_vm_execute.h:1681
#7 0x01052f7e in execute (op_array=0xb7ab61c8)
at /home/lee/php5.2-200703142330/Zend/zend_vm_execute.h:92
#8 0x0105da80 in ZEND_INCLUDE_OR_EVAL_SPEC_TMP_HANDLER (
execute_data=0xbfea1e50)
at /home/lee/php5.2-200703142330/Zend/zend_vm_execute.h:4597
#9 0x01052f7e in execute (op_array=0xb7bad424)
at /home/lee/php5.2-200703142330/Zend/zend_vm_execute.h:92
#10 0x0105349e in zend_do_fcall_common_helper_SPEC
(execute_data=0xbfea3200)
at /home/lee/php5.2-200703142330/Zend/zend_vm_execute.h:234
#11 0x01053d7f in ZEND_DO_FCALL_BY_NAME_SPEC_HANDLER
(execute_data=0xbfea3200)
at /home/lee/php5.2-200703142330/Zend/zend_vm_execute.h:322
#12 0x01052f7e in execute (op_array=0xb7be6684)
at /home/lee/php5.2-200703142330/Zend/zend_vm_execute.h:92
#13 0x0105349e in zend_do_fcall_common_helper_SPEC
(execute_data=0xbfea8df0)
at /home/lee/php5.2-200703142330/Zend/zend_vm_execute.h:234
#14 0x01053d7f in ZEND_DO_FCALL_BY_NAME_SPEC_HANDLER
(execute_data=0xbfea8df0)
at /home/lee/php5.2-200703142330/Zend/zend_vm_execute.h:322
#15 0x01052f7e in execute (op_array=0xb7ee1978)
at /home/lee/php5.2-200703142330/Zend/zend_vm_execute.h:92
#16 0x01033c86 in zend_execute_scripts (type=8, retval=0x0,
file_count=3)
at /home/lee/php5.2-200703142330/Zend/zend.c:1134
#17 0x00fecf36 in php_execute_script (primary_file=0xbfeab0c0)
at /home/lee/php5.2-200703142330/main/main.c:1788
#18 0x0109926d in php_handler (r=0x8adc500)
at /home/lee/php5.2-200703142330/sapi/apache2handler/
sapi_apache2.c:623
#19 0x08092d36 in ap_run_handler (r=0x8adc500) at config.c:151
#20 0x08093101 in ap_invoke_handler (r=0x8adc500) at config.c:363
#21 0x080828c1 in ap_process_request (r=0x8adc500) at http_request.c:
246
#22 0x0807e5d5 in ap_process_http_connection (c=0x8ad1fe8) at
http_core.c:250
#23 0x0809c1ae in ap_run_process_connection (c=0x8ad1fe8) at
connection.c:42
#24 0x08091511 in child_main (child_num_arg=47) at prefork.c:609
#25 0x08091705 in make_child (s=0x8932fa0, slot=0) at prefork.c:649
#26 0x080917cc in startup_children (number_to_start=8) at prefork.c:
721
---Type <return> to continue, or q <return> to quit---
#27 0x08091e9f in ap_mpm_run (_pconf=0xbfeab400, plog=0x8966188,
s=0xbfeab404)
at prefork.c:940
#28 0x08096f4f in main (argc=2, argv=0xbfeab5a4) at main.c:617

------------------------------------------------------------------------

[2007-03-15 16:37:22] tony2001@php.net

Thank you for this bug report. To properly diagnose the problem, we
need a backtrace to see what is happening behind the scenes. To
find out how to generate a backtrace, please read
http://bugs.php.net/bugs-generating-backtrace.php for *NIX and
http://bugs.php.net/bugs-generating-backtrace-win32.php for Win32

Once you have generated a backtrace, please submit it to this bug
report and change the status back to "Open". Thank you for helping
us make PHP better.

------------------------------------------------------------------------

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
http://bugs.php.net/40805

--
Edit this bug report at http://bugs.php.net/?id=40805&edit=1

ID: 40805
User updated by: michael at bluemoon dot com
Reported By: michael at bluemoon dot com
-Status: Feedback
+Status: Closed
Bug Type: InterBase related
Operating System: Red Hat Ent. Linux WS rel 4
PHP Version: 5.2.1
New Comment:

Thank you so much! The problem does now appear to be fixed. We really

appreciate your diligence in pursuing this issue on our behalf.


Previous Comments:
------------------------------------------------------------------------

[2007-03-15 22:34:06] tony2001@php.net

I can't test it myself, so please try the next snapshot (will be
available in a couple of hours), the issue should be fixed there.
Thanks.

------------------------------------------------------------------------

[2007-03-15 22:10:55] michael at bluemoon dot com

Boy, you sure are making us work for this! Here you go...

[root@test tmp]# gdb /usr/local/apache/sbin/httpd
GNU gdb Red Hat Linux (6.3.0.0-1.132.EL4rh)
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and
you are
welcome to change it and/or distribute copies of it under certain
conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB. Type "show warranty" for
details.
This GDB was configured as "i386-redhat-linux-gnu"...Using host
libthread_db lib
rary "/lib/tls/libthread_db.so.1".

(gdb) run -X
Starting program: /usr/local/apache/sbin/httpd -X
[Thread debugging using libthread_db enabled]
[New Thread -1208137504 (LWP 19391)]

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread -1208137504 (LWP 19391)]
0x0028676a in __strptime_internal () from /lib/tls/libc.so.6
(gdb) bt
#0 0x0028676a in __strptime_internal () from /lib/tls/libc.so.6
#1 0x00285728 in strptime () from /lib/tls/libc.so.6
#2 0x0108e22c in _php_ibase_bind (sqlda=0xb7a99734,
b_vars=0xbfedb684,
buf=0xb7aab63c, ib_query=0xb7b6a170)
at /home/lee/php5.2-200703142330/ext/interbase/ibase_query.c:691
#3 0x0108eeb0 in _php_ibase_exec (ht=484, return_value=0xb7aefd34,
return_value_ptr=0x0, this_ptr=0x0, return_value_used=1,
ib_resultp=0xbfedbe34, ib_query=0xb7b6a170, args=0xbfedb684)
at /home/lee/php5.2-200703142330/ext/interbase/ibase_query.c:947
#4 0x0109148b in zif_ibase_execute (ht=484, return_value=0xb7aefd34,
return_value_ptr=0x0, this_ptr=0x0, return_value_used=1)
at /home/lee/php5.2-200703142330/ext/interbase/ibase_query.c:1843
#5 0x012a7369 in zend_do_fcall_common_helper_SPEC
(execute_data=0xbfee0ae0)
at /home/lee/php5.2-200703142330/Zend/zend_vm_execute.h:200
#6 0x012abdc2 in ZEND_DO_FCALL_SPEC_CONST_HANDLER
(execute_data=0xbfee0ae0)
at /home/lee/php5.2-200703142330/Zend/zend_vm_execute.h:1681
#7 0x012a6f7e in execute (op_array=0xb7af81c8)
at /home/lee/php5.2-200703142330/Zend/zend_vm_execute.h:92
#8 0x012b1a80 in ZEND_INCLUDE_OR_EVAL_SPEC_TMP_HANDLER (
execute_data=0xbfee2020)
at /home/lee/php5.2-200703142330/Zend/zend_vm_execute.h:4597
#9 0x012a6f7e in execute (op_array=0xb7bef424)
at /home/lee/php5.2-200703142330/Zend/zend_vm_execute.h:92
#10 0x012a749e in zend_do_fcall_common_helper_SPEC
(execute_data=0xbfee33d0)
at /home/lee/php5.2-200703142330/Zend/zend_vm_execute.h:234
#11 0x012a7d7f in ZEND_DO_FCALL_BY_NAME_SPEC_HANDLER
(execute_data=0xbfee33d0)
at /home/lee/php5.2-200703142330/Zend/zend_vm_execute.h:322
#12 0x012a6f7e in execute (op_array=0xb7c28684)
at /home/lee/php5.2-200703142330/Zend/zend_vm_execute.h:92
#13 0x012a749e in zend_do_fcall_common_helper_SPEC
(execute_data=0xbfee8fc0)
at /home/lee/php5.2-200703142330/Zend/zend_vm_execute.h:234
#14 0x012a7d7f in ZEND_DO_FCALL_BY_NAME_SPEC_HANDLER
(execute_data=0xbfee8fc0)
at /home/lee/php5.2-200703142330/Zend/zend_vm_execute.h:322
#15 0x012a6f7e in execute (op_array=0xb7f23978)
at /home/lee/php5.2-200703142330/Zend/zend_vm_execute.h:92
#16 0x01287c86 in zend_execute_scripts (type=8, retval=0x0,
file_count=3)
at /home/lee/php5.2-200703142330/Zend/zend.c:1134
#17 0x01240f36 in php_execute_script (primary_file=0xbfeeb290)
at /home/lee/php5.2-200703142330/main/main.c:1788
#18 0x012ed26d in php_handler (r=0x969a4b8)
at /home/lee/php5.2-200703142330/sapi/apache2handler/
sapi_apache2.c:623
#19 0x08092d36 in ap_run_handler (r=0x969a4b8) at config.c:151
#20 0x08093101 in ap_invoke_handler (r=0x969a4b8) at config.c:363
#21 0x080828c1 in ap_process_request (r=0x969a4b8) at http_request.c:
246
#22 0x0807e5d5 in ap_process_http_connection (c=0x968ffc0) at
http_core.c:250
#23 0x0809c1ae in ap_run_process_connection (c=0x968ffc0) at
connection.c:42
#24 0x08091511 in child_main (child_num_arg=47) at prefork.c:609
#25 0x08091705 in make_child (s=0x94f0fa0, slot=0) at prefork.c:649
#26 0x080917cc in startup_children (number_to_start=8) at prefork.c:
721
#27 0x08091e9f in ap_mpm_run (_pconf=0xbfeeb5d0, plog=0x9524188,
s=0xbfeeb5d4)
at prefork.c:940
#28 0x08096f4f in main (argc=2, argv=0xbfeeb774) at main.c:617
(gdb) f 2
#2 0x0108e22c in _php_ibase_bind (sqlda=0xb7a99734,
b_vars=0xbfedb684,
buf=0xb7aab63c, ib_query=0xb7b6a170)
at /home/lee/php5.2-200703142330/ext/interbase/ibase_query.c:691
691 if (!strptime
(Z_STRVAL_P(b_var),
format, t)) {
(gdb) p format
$1 = 0x13574bc "%Y-%m-%d %H:%M:%S"
(gdb) p t
$2 = (struct tm *) 0x0
(gdb) p *t
Cannot access memory at address 0x0
(gdb) p *b_var
$3 = {value = {lval = -1213666912, dval = 2.2742322573904564e-313, str

= {
val = 0xb7a8e9a0 "01/31/2099", len = 10}, ht = 0xb7a8e9a0, obj =

{
handle = 3081300384, handlers = 0xa}}, refcount = 1, type = 6
'\006',
is_ref = 0 '\0'}
(gdb)

------------------------------------------------------------------------

[2007-03-15 21:38:13] tony2001@php.net

Please do the following after generating the backtrace (type these
commands in GDB console):
f 2
p format
p t
p *t
p *b_var

And paste their output here. Thanks.

------------------------------------------------------------------------

[2007-03-15 21:32:01] michael at bluemoon dot com

For some reason, I can't seem to get a successful core dump. Here is
the backtrace though...

[root@test tmp]# gdb /usr/local/apache/sbin/httpd
GNU gdb Red Hat Linux (6.3.0.0-1.132.EL4rh)
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and
you are
welcome to change it and/or distribute copies of it under certain
conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB. Type "show warranty" for
details.
This GDB was configured as "i386-redhat-linux-gnu"...Using host
libthread_db lib
rary "/lib/tls/libthread_db.so.1".

(gdb) run -X
Starting program: /usr/local/apache/sbin/httpd -X
[Thread debugging using libthread_db enabled]
[New Thread -1208407840 (LWP 19291)]

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread -1208407840 (LWP 19291)]
0x0028676a in __strptime_internal () from /lib/tls/libc.so.6
(gdb) bt
#0 0x0028676a in __strptime_internal () from /lib/tls/libc.so.6
#1 0x00285728 in strptime () from /lib/tls/libc.so.6
#2 0x00e3a22c in _php_ibase_bind (sqlda=0xb7a57734,
b_vars=0xbfe9b4b4,
buf=0xb7a6963c, ib_query=0xb7b28170)
at /home/lee/php5.2-200703142330/ext/interbase/ibase_query.c:691
#3 0x00e3aeb0 in _php_ibase_exec (ht=484, return_value=0xb7aadd34,
return_value_ptr=0x0, this_ptr=0x0, return_value_used=1,
ib_resultp=0xbfe9bc64, ib_query=0xb7b28170, args=0xbfe9b4b4)
at /home/lee/php5.2-200703142330/ext/interbase/ibase_query.c:947
#4 0x00e3d48b in zif_ibase_execute (ht=484, return_value=0xb7aadd34,
return_value_ptr=0x0, this_ptr=0x0, return_value_used=1)
at /home/lee/php5.2-200703142330/ext/interbase/ibase_query.c:1843
#5 0x01053369 in zend_do_fcall_common_helper_SPEC
(execute_data=0xbfea0910)
at /home/lee/php5.2-200703142330/Zend/zend_vm_execute.h:200
#6 0x01057dc2 in ZEND_DO_FCALL_SPEC_CONST_HANDLER
(execute_data=0xbfea0910)
at /home/lee/php5.2-200703142330/Zend/zend_vm_execute.h:1681
#7 0x01052f7e in execute (op_array=0xb7ab61c8)
at /home/lee/php5.2-200703142330/Zend/zend_vm_execute.h:92
#8 0x0105da80 in ZEND_INCLUDE_OR_EVAL_SPEC_TMP_HANDLER (
execute_data=0xbfea1e50)
at /home/lee/php5.2-200703142330/Zend/zend_vm_execute.h:4597
#9 0x01052f7e in execute (op_array=0xb7bad424)
at /home/lee/php5.2-200703142330/Zend/zend_vm_execute.h:92
#10 0x0105349e in zend_do_fcall_common_helper_SPEC
(execute_data=0xbfea3200)
at /home/lee/php5.2-200703142330/Zend/zend_vm_execute.h:234
#11 0x01053d7f in ZEND_DO_FCALL_BY_NAME_SPEC_HANDLER
(execute_data=0xbfea3200)
at /home/lee/php5.2-200703142330/Zend/zend_vm_execute.h:322
#12 0x01052f7e in execute (op_array=0xb7be6684)
at /home/lee/php5.2-200703142330/Zend/zend_vm_execute.h:92
#13 0x0105349e in zend_do_fcall_common_helper_SPEC
(execute_data=0xbfea8df0)
at /home/lee/php5.2-200703142330/Zend/zend_vm_execute.h:234
#14 0x01053d7f in ZEND_DO_FCALL_BY_NAME_SPEC_HANDLER
(execute_data=0xbfea8df0)
at /home/lee/php5.2-200703142330/Zend/zend_vm_execute.h:322
#15 0x01052f7e in execute (op_array=0xb7ee1978)
at /home/lee/php5.2-200703142330/Zend/zend_vm_execute.h:92
#16 0x01033c86 in zend_execute_scripts (type=8, retval=0x0,
file_count=3)
at /home/lee/php5.2-200703142330/Zend/zend.c:1134
#17 0x00fecf36 in php_execute_script (primary_file=0xbfeab0c0)
at /home/lee/php5.2-200703142330/main/main.c:1788
#18 0x0109926d in php_handler (r=0x8adc500)
at /home/lee/php5.2-200703142330/sapi/apache2handler/
sapi_apache2.c:623
#19 0x08092d36 in ap_run_handler (r=0x8adc500) at config.c:151
#20 0x08093101 in ap_invoke_handler (r=0x8adc500) at config.c:363
#21 0x080828c1 in ap_process_request (r=0x8adc500) at http_request.c:
246
#22 0x0807e5d5 in ap_process_http_connection (c=0x8ad1fe8) at
http_core.c:250
#23 0x0809c1ae in ap_run_process_connection (c=0x8ad1fe8) at
connection.c:42
#24 0x08091511 in child_main (child_num_arg=47) at prefork.c:609
#25 0x08091705 in make_child (s=0x8932fa0, slot=0) at prefork.c:649
#26 0x080917cc in startup_children (number_to_start=8) at prefork.c:
721
---Type <return> to continue, or q <return> to quit---
#27 0x08091e9f in ap_mpm_run (_pconf=0xbfeab400, plog=0x8966188,
s=0xbfeab404)
at prefork.c:940
#28 0x08096f4f in main (argc=2, argv=0xbfeab5a4) at main.c:617

------------------------------------------------------------------------

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
http://bugs.php.net/40805

--
Edit this bug report at http://bugs.php.net/?id=40805&edit=1