PHP :: Bug #49209 :: apache2 crashes and return blank output

Bug #49209	apache2 crashes and return blank output
Submitted:	2009-08-10 13:39 UTC	Modified:	2009-08-11 10:32 UTC
From:	bendl at pjcomp dot cz	Assigned:
Status:	Not a bug	Package:	Apache2 related
PHP Version:	5.2.10	OS:	Debian Lenny 2.6.26-2-amd64
Private report:	No	CVE-ID:	None

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From:	bendl at pjcomp dot cz
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[2009-08-10 13:39 UTC] bendl at pjcomp dot cz

Description:
------------
apache2 crashes about 2-10x within 100 reloads. There are too many messages in apache error.log (too often)

[Mon Aug 10 15:34:12 2009] [notice] child pid 27199 exit signal Segmentation fault (11)
[Mon Aug 10 15:34:13 2009] [notice] child pid 28539 exit signal Segmentation fault (11)
[Mon Aug 10 15:34:15 2009] [notice] child pid 27827 exit signal Segmentation fault (11)
[Mon Aug 10 15:34:15 2009] [notice] child pid 29382 exit signal Segmentation fault (11)
[Mon Aug 10 15:34:18 2009] [notice] child pid 28132 exit signal Segmentation fault (11)
[Mon Aug 10 15:34:20 2009] [notice] child pid 29426 exit signal Segmentation fault (11)
[Mon Aug 10 15:34:25 2009] [notice] child pid 29016 exit signal Segmentation fault (11)
[Mon Aug 10 15:34:30 2009] [notice] child pid 29437 exit signal Segmentation fault (11)

Actual result:
--------------
[Mon Aug 10 15:20:05 2009] [notice] child pid 22113 exit signal Segmentation fault (11)
*** glibc detected *** /usr/sbin/apache2: munmap_chunk(): invalid pointer: 0x00007fc6672e6598 ***
======= Backtrace: =========
/lib/libc.so.6[0x7fc6643916c8]
/usr/lib/apache2/modules/libphp5.so(zend_hash_destroy+0x28)[0x7fc661564aa8]
/usr/lib/apache2/modules/libphp5.so(zend_object_std_dtor+0x29)[0x7fc661575ed9]
/usr/lib/apache2/modules/libphp5.so(zend_objects_free_object_storage+0x9)[0x7fc661575ef9]
/usr/lib/apache2/modules/libphp5.so(zend_objects_store_free_object_storage+0x3f)[0x7fc661578fcf]
/usr/lib/apache2/modules/libphp5.so(shutdown_executor+0x20c)[0x7fc66154f36c]
/usr/lib/apache2/modules/libphp5.so(zend_deactivate+0x62)[0x7fc66155a0b2]
/usr/lib/apache2/modules/libphp5.so(php_request_shutdown+0x192)[0x7fc661514fa2]
/usr/lib/apache2/modules/libphp5.so[0x7fc6615cebb3]
/usr/sbin/apache2(ap_run_handler+0x83)[0x7fc665174e13]
/usr/sbin/apache2(ap_invoke_handler+0x9f)[0x7fc66517853f]
/usr/sbin/apache2(ap_internal_redirect+0x60)[0x7fc665185d70]
/usr/lib/apache2/modules/mod_rewrite.so[0x7fc65edccba5]
/usr/sbin/apache2(ap_run_handler+0x83)[0x7fc665174e13]
/usr/sbin/apache2(ap_invoke_handler+0x9f)[0x7fc66517853f]
/usr/sbin/apache2(ap_process_request+0x1c8)[0x7fc665185f48]
/usr/sbin/apache2[0x7fc665182e78]
/usr/sbin/apache2(ap_run_process_connection+0x83)[0x7fc66517c7e3]
/usr/sbin/apache2[0x7fc66518a84e]
/usr/sbin/apache2[0x7fc66518ab3a]
/usr/sbin/apache2(ap_mpm_run+0xab2)[0x7fc66518b652]
/usr/sbin/apache2(main+0xa2d)[0x7fc66516127d]
/lib/libc.so.6(__libc_start_main+0xe6)[0x7fc66433e5c6]
/usr/sbin/apache2[0x7fc665160329]
======= Memory map: ========
7fc65a660000-7fc65a67a000 r-xp 00000000 08:01 1185616                    /lib/libgcc_s.so.1
7fc65a67a000-7fc65a879000 ---p 0001a000 08:01 1185616                    /lib/libgcc_s.so.1
7fc65a879000-7fc65a87a000 rw-p 00019000 08:01 1185616                    /lib/libgcc_s.so.1

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[2009-08-10 18:56 UTC] jani@php.net

Please try using this snapshot:

  http://snaps.php.net/php5.2-latest.tar.gz
 
For Windows:

  http://windows.php.net/snapshots/

[2009-08-10 22:53 UTC] srinatar@php.net

is your apache pre-fork or worker mpm ?

[2009-08-11 03:01 UTC] bendl at pjcomp dot cz

Hello,
I'm using php5 and apache2 from repository. I hope prefork.
Apache/2.2.11 (Debian) PHP/5.2.9-4 with Suhosin-Patch mod_ssl/2.2.11 OpenSSL/0.9.8k
Best,
Jirka

[2009-08-11 09:35 UTC] jani@php.net

Please try the snapshot and ignore any other feedback requests until you really do that.

[2009-08-11 10:07 UTC] bendl at pjcomp dot cz

Hi, I haven't got any compiled version. I have everything from repository debian lenny, etch and testing.
Which repository I should use to implement php 5.2-latest?

[2009-08-11 10:32 UTC] jani@php.net

If you don't know how to compile PHP, please don't report bugs here. Instead report it to your distro and let them report it here if it's really a bug.

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