PHP :: Bug #43387 :: Segmentation fault during shutdown in _zend_mm_free

Bug #43387

Segmentation fault during shutdown in _zend_mm_free_int()

Submitted:

2007-11-23 10:57 UTC

Modified:

2008-02-24 20:12 UTC

Votes:	13
Avg. Score:	5.0 ± 0.0
Reproduced:	12 of 12 (100.0%)
Same Version:	11 (91.7%)
Same OS:	8 (66.7%)

From:

matteo at beccati dot com

Assigned:

Status:

Not a bug

Package:

Reproducible crash

PHP Version:

5.2.5

OS:

GNU/Linux 2.6.18 x86_64

Private report:

CVE-ID:

None

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From:	matteo at beccati dot com
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New/Additional Comment:

[2007-11-23 10:57 UTC] matteo at beccati dot com

Description:
------------
PHP 5.2.5 sometimes crashes with a segmentation fault after running a specific unit test suite. Unfortunately the issue isn't easily replicable and seems to happen randomly.

We have CruiseControl running dozens of builds with different PHP versions back to 4.3 and it just happens that sometimes one of the builds using PHP 5.2.5 fails on a particular test. 
So far it happened when running tests with PostgreSQL 8.0, 8.1 and MySQL 5.0.

I've just tried to replicate the issue on another server and I finally did it. It crashes also on FreeBSD 6.2/amd64 using PHP 5.2.4 and MySQL 5.1. Surprisingly a similarily compiled 5.2.5 doesn't crash on this server.

Reproduce code:
---------------
svn export -r12748 https://svn.openads.org/openads/trunk OA-trunk
cd OA-trunk
cp etc/test.conf var/

; edit var/test.conf.php and set the db parameters

cd tests

php run.php --type=unit --level=file --layer=dal --folder=lib/OA/Dal/Delivery --file=DeliveryDB.dal.test.php --format=text --host=test


Expected result:
----------------
UNIT: Data Abstraction Layer (DB): lib/OA/Dal/Delivery/DeliveryDB.dal.test.php
OK
Test cases run: 1/1, Passes: 302, Failures: 0, Exceptions: 0


Actual result:
--------------
UNIT: Data Abstraction Layer (DB): lib/OA/Dal/Delivery/DeliveryDB.dal.test.php
OK
Test cases run: 1/1, Passes: 302, Failures: 0, Exceptions: 0
Segmentation fault: 11 (core dumped)

gdb output on Linux / PHP 5.2.5
===============================
GNU gdb Red Hat Linux (6.5-16.el5rh)
Copyright (C) 2006 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 "x86_64-redhat-linux-gnu"...Using host libthread_db library "/lib64/libthread_db.so.1".

Reading symbols from /lib64/libcrypt.so.1...done.
Loaded symbols for /lib64/libcrypt.so.1
Reading symbols from /usr/local/pgsql-8.2.5/lib/libpq.so.5...done.
Loaded symbols for /usr/local/pgsql-8.2.5/lib/libpq.so.5
Reading symbols from /lib64/librt.so.1...done.
Loaded symbols for /lib64/librt.so.1
Reading symbols from /usr/local/mysql-5.0.45-linux-x86_64-glibc23/lib/libmysqlclient.so.15...done.
Loaded symbols for /usr/local/mysql-5.0/lib/libmysqlclient.so.15
Reading symbols from /usr/lib64/libfreetype.so.6...done.
Loaded symbols for /usr/lib64/libfreetype.so.6
Reading symbols from /usr/lib64/libpng12.so.0...done.
Loaded symbols for /usr/lib64/libpng12.so.0
Reading symbols from /usr/lib64/libjpeg.so.62...done.
Loaded symbols for /usr/lib64/libjpeg.so.62
Reading symbols from /usr/lib64/libcurl.so.3...done.
Loaded symbols for /usr/lib64/libcurl.so.3
Reading symbols from /lib64/libresolv.so.2...done.
Loaded symbols for /lib64/libresolv.so.2
Reading symbols from /lib64/libm.so.6...done.
Loaded symbols for /lib64/libm.so.6
Reading symbols from /lib64/libdl.so.2...done.
Loaded symbols for /lib64/libdl.so.2
Reading symbols from /lib64/libnsl.so.1...done.
Loaded symbols for /lib64/libnsl.so.1
Reading symbols from /usr/lib64/libxml2.so.2...done.
Loaded symbols for /usr/lib64/libxml2.so.2
Reading symbols from /lib64/libssl.so.6...done.
Loaded symbols for /lib64/libssl.so.6
Reading symbols from /lib64/libcrypto.so.6...done.
Loaded symbols for /lib64/libcrypto.so.6
Reading symbols from /usr/lib64/libgssapi_krb5.so.2...done.
Loaded symbols for /usr/lib64/libgssapi_krb5.so.2
Reading symbols from /usr/lib64/libkrb5.so.3...done.
Loaded symbols for /usr/lib64/libkrb5.so.3
Reading symbols from /usr/lib64/libk5crypto.so.3...done.
Loaded symbols for /usr/lib64/libk5crypto.so.3
Reading symbols from /lib64/libcom_err.so.2...done.
Loaded symbols for /lib64/libcom_err.so.2
Reading symbols from /usr/lib64/libidn.so.11...done.
Loaded symbols for /usr/lib64/libidn.so.11
Reading symbols from /lib64/libc.so.6...done.
Loaded symbols for /lib64/libc.so.6
Reading symbols from /lib64/libpthread.so.0...done.
Loaded symbols for /lib64/libpthread.so.0
Reading symbols from /lib64/ld-linux-x86-64.so.2...done.
Loaded symbols for /lib64/ld-linux-x86-64.so.2
Reading symbols from /usr/lib64/libz.so.1...done.
Loaded symbols for /usr/lib64/libz.so.1
Reading symbols from /usr/lib64/libkrb5support.so.0...done.
Loaded symbols for /usr/lib64/libkrb5support.so.0
Reading symbols from /lib64/libnss_files.so.2...done.
Loaded symbols for /lib64/libnss_files.so.2
Core was generated by `/usr/local/php-5.2/bin/php run.php --type=unit --level=file --layer=dal --folde'.
Program terminated with signal 11, Segmentation fault.
#0  0x000000000069f095 in _zend_mm_free_int (heap=0x129eb330, p=0x13b898d0)
    at /usr/local/src/php-5.2.5/Zend/zend_alloc.c:807
807                             ZEND_MM_CHECK_TREE(mm_block);
(gdb) bt full
#0  0x000000000069f095 in _zend_mm_free_int (heap=0x129eb330, p=0x13b898d0)
    at /usr/local/src/php-5.2.5/Zend/zend_alloc.c:807
        p = <value optimized out>
        mm_block = (zend_mm_block *) 0x13b89668
        next_block = (zend_mm_block *) 0x13b89920
        size = 96
#1  0x00000000006c4aae in zend_hash_destroy (ht=0x13a285e0)
    at /usr/local/src/php-5.2.5/Zend/zend_hash.c:531
        p = (Bucket *) 0x13b421e8
#2  0x00000000006b9a3f in _zval_dtor_func (zvalue=0x139ed0f8)
    at /usr/local/src/php-5.2.5/Zend/zend_variables.c:43
No locals.
#3  0x00000000006ad566 in _zval_ptr_dtor (zval_ptr=0x13a4f258)
    at /usr/local/src/php-5.2.5/Zend/zend_variables.h:35
No locals.
#4  0x00000000006c4a88 in zend_hash_destroy (ht=0x13d28448)
    at /usr/local/src/php-5.2.5/Zend/zend_hash.c:526
        p = (Bucket *) 0x13ba2480
#5  0x00000000006b9a3f in _zval_dtor_func (zvalue=0x13c9e128)
    at /usr/local/src/php-5.2.5/Zend/zend_variables.c:43
No locals.
#6  0x00000000006ad566 in _zval_ptr_dtor (zval_ptr=0x13b7e568)
    at /usr/local/src/php-5.2.5/Zend/zend_variables.h:35
No locals.
#7  0x00000000006c4a88 in zend_hash_destroy (ht=0x13ba3790)
    at /usr/local/src/php-5.2.5/Zend/zend_hash.c:526
        p = (Bucket *) 0x13cd6f68
#8  0x00000000006d4359 in zend_object_std_dtor (object=0x13ca7350)
    at /usr/local/src/php-5.2.5/Zend/zend_objects.c:45
No locals.
#9  0x00000000006d4379 in zend_objects_free_object_storage (object=0x129eb330)
    at /usr/local/src/php-5.2.5/Zend/zend_objects.c:122
No locals.
#10 0x00000000006d73fb in zend_objects_store_free_object_storage (
    objects=0xc44a40) at /usr/local/src/php-5.2.5/Zend/zend_objects_API.c:89
        i = 39
#11 0x00000000006adaec in shutdown_executor ()
    at /usr/local/src/php-5.2.5/Zend/zend_execute_API.c:299
        __bailout = {{__jmpbuf = {12863136, 1788433170706147115, 7051744, 0,
      140735876909575, 0, 1788410096376635051, 1788433170712606839},
    __mask_was_saved = 0, __saved_mask = {__val = {224601251756, 312816976,
        224604232032, 12862816, 1, 0, 140735876909575, 0, 224601251756,
        12845728, 0, 12864960, 4805079, 312889664, 12864224, 12862816}}}}
#12 0x00000000006ba062 in zend_deactivate ()
    at /usr/local/src/php-5.2.5/Zend/zend.c:860
        __orig_bailout = (jmp_buf *) 0x0
        __bailout = {{__jmpbuf = {12861248, 1788433170706147115, 1, 0,
      140735876909575, 0, 1788410096376619435, 1788433170712543689},
    __mask_was_saved = 0, __saved_mask = {__val = {224604232032, 48, 48, 7,
        224604232032, 12863136, 1, 0, 140735876909575, 0, 224601251756,
        1788410096376627707, 1788433170712238944, 206158430208,
        140735876907376, 1}}}}
#13 0x000000000067848e in php_request_shutdown (dummy=<value optimized out>)
    at /usr/local/src/php-5.2.5/main/main.c:1485
        __bailout = {{__jmpbuf = {12863136, 1788433170710094219, 1, 0,
      140735876909575, 0, 1788410096376619179, 1788433170712290697},
    __mask_was_saved = 0, __saved_mask = {__val = {0, 0, 0, 0, 0, 0, 7, 0, 0,
        0, 0, 0, 0, 0, 0, 0}}}}
        report_memleaks = 1 '\001'
#14 0x000000000073a285 in main (argc=9, argv=0x7fff9ff346f8)
    at /usr/local/src/php-5.2.5/sapi/cli/php_cli.c:1321
        __bailout = {{__jmpbuf = {0, 1788433170710094218, 7306640099802838133,
      8103230749319183720, 110, 7596570286683205949, 1788410096376619979,
      1788433170710970368}, __mask_was_saved = 0, __saved_mask = {__val = {
        224600799864, 0, 46912507384152, 46912505074424, 224613378969,
        224600849328, 224613372088, 4294967296, 4294967449, 46912507387520,
        46912505076592, 140735876908224, 140735876908144, 2972705047,
        224596626327, 0}}}}
        exit_status = 0
        c = <value optimized out>
        file_handle = {type = 2 '\002', filename = 0x7fff9ff34a07 "run.php",
  opened_path = 0x0, handle = {fd = 314281120, fp = 0x12bb8ca0, stream = {
      handle = 0x12bb8ca0, reader = 0x6cdab0 <zend_stream_stdio_reader>,
      closer = 0x6cda90 <zend_stream_stdio_closer>,
      fteller = 0x6cda80 <zend_stream_stdio_fteller>, interactive = 0}},
  free_filename = 0 '\0'}
        behavior = 1
        reflection_what = 0x0
        orig_optind = 1
        orig_optarg = 0x0
        arg_free = <value optimized out>
        arg_excp = <value optimized out>
        script_file = 0x7fff9ff34a07 "run.php"
        interactive = 0
        module_started = 1
        request_started = 329950032
        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>


gdb output on FreeBSD / PHP 5.2.4
=================================
GNU gdb 6.1.1 [FreeBSD]
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 "amd64-marcel-freebsd"...
Core was generated by `php'.
Program terminated with signal 11, Segmentation fault.
Reading symbols from /lib/libcrypt.so.3...done.
Loaded symbols for /lib/libcrypt.so.3
Reading symbols from /usr/local/pgsql/lib/libpq.so.5...done.
Loaded symbols for /usr/local/pgsql/lib/libpq.so.5
Reading symbols from /usr/local/lib/mysql/libmysqlclient.so.15...done.
Loaded symbols for /usr/local/lib/mysql/libmysqlclient.so.15
Reading symbols from /lib/libm.so.4...done.
Loaded symbols for /lib/libm.so.4
Reading symbols from /lib/libz.so.3...done.
Loaded symbols for /lib/libz.so.3
Reading symbols from /usr/local/lib/libmhash.so.2...done.
Loaded symbols for /usr/local/lib/libmhash.so.2
Reading symbols from /usr/local/lib/libmcrypt.so.8...done.
Loaded symbols for /usr/local/lib/libmcrypt.so.8
Reading symbols from /usr/local/lib/libltdl.so.4...done.
Loaded symbols for /usr/local/lib/libltdl.so.4
Reading symbols from /usr/local/lib/libintl.so.8...done.
Loaded symbols for /usr/local/lib/libintl.so.8
Reading symbols from /usr/local/lib/libfreetype.so.9...done.
Loaded symbols for /usr/local/lib/libfreetype.so.9
Reading symbols from /usr/local/lib/libpng.so.5...done.
Loaded symbols for /usr/local/lib/libpng.so.5
Reading symbols from /usr/local/lib/libjpeg.so.9...done.
Loaded symbols for /usr/local/lib/libjpeg.so.9
Reading symbols from /usr/local/lib/libcurl.so.4...done.
Loaded symbols for /usr/local/lib/libcurl.so.4
Reading symbols from /usr/lib/libssl.so.4...done.
Loaded symbols for /usr/lib/libssl.so.4
Reading symbols from /lib/libcrypto.so.4...done.
Loaded symbols for /lib/libcrypto.so.4
Reading symbols from /usr/local/lib/libxml2.so.5...done.
Loaded symbols for /usr/local/lib/libxml2.so.5
Reading symbols from /usr/local/lib/libiconv.so.3...done.
Loaded symbols for /usr/local/lib/libiconv.so.3
Reading symbols from /lib/libc.so.6...done.
Loaded symbols for /lib/libc.so.6
Reading symbols from /libexec/ld-elf.so.1...done.
Loaded symbols for /libexec/ld-elf.so.1
#0  _zend_mm_free_int (heap=0xb64000, p=0x205da30)
    at /array1/compile/php-5.2.4-apache/Zend/zend_alloc.c:806
806                             ZEND_MM_CHECK_TREE(mm_block);
(gdb) bt full
#0  _zend_mm_free_int (heap=0xb64000, p=0x205da30)
    at /array1/compile/php-5.2.4-apache/Zend/zend_alloc.c:806
        p = (zend_mm_free_block **) 0xb64648
        mm_block = (zend_mm_block *) 0x1f5ed20
        next_block = (zend_mm_block *) 0x1f5ed90
        size = 112
#1  0x00000000006dbc1d in zend_hash_destroy (ht=0x1f5ea78)
    at /array1/compile/php-5.2.4-apache/Zend/zend_hash.c:531
        p = (Bucket *) 0x1f12b58
        q = (Bucket *) 0x1f5ed30
#2  0x00000000006cf503 in _zval_dtor_func (zvalue=0x1f5ea50)
    at /array1/compile/php-5.2.4-apache/Zend/zend_variables.c:43
No locals.
#3  0x00000000006c17f5 in _zval_ptr_dtor (zval_ptr=0x1f09578)
    at zend_variables.h:35
No locals.
#4  0x00000000006dbc32 in zend_hash_destroy (ht=0x1f50468)
    at /array1/compile/php-5.2.4-apache/Zend/zend_hash.c:526
        p = (Bucket *) 0x1f29040
        q = (Bucket *) 0x1f09560
#5  0x00000000006cf503 in _zval_dtor_func (zvalue=0x1f63698)
    at /array1/compile/php-5.2.4-apache/Zend/zend_variables.c:43
No locals.
#6  0x00000000006c17f5 in _zval_ptr_dtor (zval_ptr=0x2179748)
    at zend_variables.h:35
No locals.
#7  0x00000000006dbc32 in zend_hash_destroy (ht=0x1f50960)
    at /array1/compile/php-5.2.4-apache/Zend/zend_hash.c:526
        p = (Bucket *) 0x1ef5ff8
        q = (Bucket *) 0x2179730
#8  0x00000000006e9cbd in zend_object_std_dtor (object=0x1f247c0)
    at /array1/compile/php-5.2.4-apache/Zend/zend_objects.c:45
No locals.
#9  0x00000000006e9f79 in zend_objects_free_object_storage (object=0x1f247c0)
    at /array1/compile/php-5.2.4-apache/Zend/zend_objects.c:122
No locals.
#10 0x00000000006ed0f6 in zend_objects_store_free_object_storage (
    objects=0xb5f940)
    at /array1/compile/php-5.2.4-apache/Zend/zend_objects_API.c:89
        i = 48
#11 0x00000000006c1e29 in shutdown_executor ()
    at /array1/compile/php-5.2.4-apache/Zend/zend_execute_API.c:299
        __orig_bailout = (jmp_buf *) 0x0
        __bailout = {{_jb = {7085378, 11925736, 140737488346872, 11924896,
      11922496, 0, 0, 0, 140737488290687, 0, 0, 72057594070317848}}}
#12 0x00000000006d0195 in zend_deactivate ()
    at /array1/compile/php-5.2.4-apache/Zend/zend.c:860
        __orig_bailout = (jmp_buf *) 0x0
        __bailout = {{_jb = {7143797, 11922496, 140737488347432, 11924896,
      11922496, 0, 0, 0, 11862911, 0, 0, 2184591365}}}
#13 0x000000000068d80f in php_request_shutdown (dummy=0x258)
    at /array1/compile/php-5.2.4-apache/main/main.c:1463
        __orig_bailout = (jmp_buf *) 0x0
        __bailout = {{_jb = {6870837, 140737488349864, 140737488347768,
      140737488349848, 110, 0, 0, 0, 11535231, 0, 0, 140737488348656}}}
        report_memleaks = 1 '\001'
#14 0x0000000000760f8e in main (argc=9, argv=0x7fffffffea98)
    at /array1/compile/php-5.2.4-apache/sapi/cli/php_cli.c:1321
        __bailout = {{_jb = {7736934, 140737488349928, 140737488348856, 1,
      110, 0, 0, 0, 2184971135, 0, 0, 2158826496}}}
        exit_status = 0
        c = -1
        file_handle = {type = 2 '\002', filename = 0x7fffffffec94 "run.php",
  opened_path = 0x0, handle = {fd = -2108630976, fp = 0x8250d840, stream = {
      handle = 0x8250d840, reader = 0x6e3430 <zend_stream_stdio_reader>,
      closer = 0x6e3450 <zend_stream_stdio_closer>,
      fteller = 0x6e3470 <zend_stream_stdio_fteller>, interactive = 0}},
  free_filename = 0 '\0'}
        behavior = 1
        reflection_what = 0x0
        orig_optind = 1
        orig_optarg = 0x0
        arg_free = 0x7fffffffec94 "run.php"
        arg_excp = (char **) 0x258
        script_file = 0x7fffffffec94 "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 = 0x0
        hide_argv = 0
        ini_entries_len = 110

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[2007-11-24 12:14 UTC] jani@php.net

What configure line was used when building PHP? Are you loading some extensions in php.ini? Did you disable all zend extensions (like caches, optimizers..etc.) ?

[2007-11-24 15:20 UTC] matteo at beccati dot com

FreeBSD, PHP 5.2.4:

./configure  --with-apxs2=/usr/local/sbin/apxs --with-mysql=/usr/local --with-pgsql=/usr/local/pgsql --with-zlib --with-iconv=/usr/local --enable-bcmath --enable-ftp --enable-mbstring --with-mcrypt=/usr/local --with-mhash=/usr/local --with-curl=/usr/local --with-xml --with-xmlrpc --with-gettext --with-gd --enable-gd-native-ttf --with-png --with-png-dir=/usr/local --with-jpeg --with-jpeg-dir=/usr/local --with-freetype-dir=/usr/local --with-ttf=/usr/local --enable-pcntl --enable-sockets --enable-sigchild --enable-shmop --enable-sysvmsg --enable-sysvsem --enable-sysvshm

No extensions loaded in php.ini. Nothing has changed, but I'm unable to reproduce it ATM.

Linux, PHP 5.2.5:

./configure  --prefix=/usr/local/php-5.2.5 --with-apxs2=/usr/local/apache2/bin/apxs --with-mysql=/usr/local/mysql-5.0 --with-pgsql=/usr/local/pgsql-8.2 --enable-mbstring --with-gd --enable-gd-native-ttf --with-freetype-dir --with-jpeg-dir --with-png-dir --with-curl --with-openssl --with-zlib --enable-pcntl

No extensions loaded in php.ini. Another CriuseControl build failed for that very reason the last night.

[2007-11-25 17:31 UTC] jani@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 the script requires a 
database to demonstrate the issue, please make sure it creates 
all necessary tables, stored procedures etc.

Please avoid embedding huge scripts into the report.

[2007-11-25 17:55 UTC] matteo at beccati dot com

If I was able to understand what is causing the issue, I would happily create a short reproduce script. Unfortunately the bug only shows randomly during shutdown after a very complex script. The best I could do is to give you access to my machine in case the crash happens again, but I'm afraid I can't do much more right now.

[2007-11-30 06:24 UTC] jani@php.net

Note for developers: See bug #43459 (crash in same place)

[2007-12-03 10:54 UTC] jani@php.net

Note for developers: See bug #43476 (crash in same place)

[2007-12-04 12:50 UTC] jani@php.net

Please try using this CVS snapshot:

  http://snaps.php.net/php5.2-latest.tar.gz
 
For Windows (zip):
 
  http://snaps.php.net/win32/php5.2-win32-latest.zip

For Windows (installer):

  http://snaps.php.net/win32/php5.2-win32-installer-latest.msi

[2007-12-04 16:06 UTC] matteo at beccati dot com

We'll try to reproduce it again with either 5.2.4 or 5.2.5 and see if the snapshot fixes it.

Thanks for the feedback, we really appreciate it!

[2007-12-05 15:40 UTC] jani@php.net

Keep this in feedback status until you have actually tested the snapshot. A fix was committed recently which should fix this one too.

[2007-12-07 15:27 UTC] phajdan dot jr at gmail dot com

I don't know if it is helpful, but I tested with recent snapshot and the bug wasn't fixed (I submitted another bug report, marked as a duplicate of this one).

[2007-12-13 06:18 UTC] phajdan dot jr at gmail dot com

As this bug is now closed due to lack of feedback, can you reopen my original bug http://bugs.php.net/bug.php?id=43397 ?

[2008-02-09 02:10 UTC] stas@php.net

not fixed - reopen

[2008-02-22 15:13 UTC] sebabar at konto dot pl

I just experienced the same. I don't know why this happens, but I managed to find the last executed line before segfault. Below is method getMock() from PHPUnit (3.2.15), file /PHPUnit/Framework/TestCase.php
I added few echos to see where it crashes.

    protected function getMock($className, array $methods = array(), array $arguments = array(), $mockClassName = '', $callOriginalConstructor = TRUE, $callOriginalClone = TRUE, $callAutoload = TRUE)
    {
        if (!is_string($className) || !is_string($mockClassName)) {
            throw new InvalidArgumentException;
        }

        $mock = PHPUnit_Framework_MockObject_Mock::generate(
          $className,
          $methods,
          $mockClassName,
          $callOriginalConstructor,
          $callOriginalClone,
          $callAutoload
        );
echo " GENERATED ";
        $mockClass  = new ReflectionClass($mock->mockClassName);
echo " REFLECTED ";
        $mockObject = $mockClass->newInstanceArgs($arguments);
echo "\n AFTER newInstanceArgs() \n";
        $this->mockObjects[] = $mockObject;
echo " MOCK READY ";
        return $mockObject;
    }

In cases when php crashes, it stops just after REFLECTED message - on call to newInstanceArgs()

The same unit tests, testing the same code base with the same version of PHPUnit under windows and PHP 5.2.3 works ok.

[2008-02-24 20:12 UTC] jani@php.net

See bug #43397

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