PHP :: Bug #34312 :: segfault in 5.04

Bug #34312	segfault in 5.04
Submitted:	2005-08-31 01:19 UTC	Modified:	2005-09-02 16:29 UTC
From:	james at academicsuperstore dot com	Assigned:
Status:	Closed	Package:	Reproducible crash
PHP Version:	5.0.4	OS:	Debian 3.1 Linux 2.4.29
Private report:	No	CVE-ID:	None

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[2005-08-31 01:19 UTC] james at academicsuperstore dot com

Description:
------------
Segfault

Apache/2.0.53
Build Date 	Jun 8 2005 14:44:05

'./configure' '--prefix=/usr/local/php5' '--enable-force-cgi-redirect' '--disable-debug' '--enable-pic' '--disable-rpath' '--enable-inline-optimization' '--with-bz2-dir=/usr/bin/bzip2' '--with-gd=shared' '--enable-gd-native-ttf' '--without-gdbm' '--with-gmp' '--with-jpeg-dir=/usr' '--with-png' '--with-layout=GNU' '--enable-exif' '--enable-ftp' '--enable-magic-quotes' '--enable-sockets' '--enable-sysvsem' '--enable-sysvshm' '--with-mysql=/usr' '--with-pfpro=shared,/usr/local/src/verisign/payflowpro/linux/lib' '--enable-memory-limit' '--enable-mbstring=shared' '--enable-mbstr-enc-trans' '--disable-cgi' '--enable-cli' '--with-mm' '--with-zlib' '--with-apxs2=/usr/sbin/apxs' '--disable-libxml'

Reproduce code:
---------------
I do not have specific reproduce code as the segfault is part of a large and complex system.  I am posting the bug only after failing to be able to isolate the problem further.

Expected result:
----------------
no segfault

Actual result:
--------------
(gdb) bt
#0  0x003b859e in mallopt () from /lib/libc.so.6
#1  0x003b843e in mallopt () from /lib/libc.so.6
#2  0x003b715f in free () from /lib/libc.so.6
#3  0x0064f812 in _efree (ptr=0x85739e4)
    at /usr/local/src/php-5.0.4/Zend/zend_alloc.c:287
#4  0x00659f1c in destroy_op_array (op_array=0x856fad0)
    at /usr/local/src/php-5.0.4/Zend/zend_opcode.c:225
#5  0x00659c63 in destroy_zend_function (function=0x856fad0)
    at /usr/local/src/php-5.0.4/Zend/zend_opcode.c:103
#6  0x00659c79 in zend_function_dtor (function=0x856fad0)
    at /usr/local/src/php-5.0.4/Zend/zend_opcode.c:115
#7  0x00666b6c in zend_hash_del_key_or_index (ht=0x810f098,
    arKey=0x856f878 "dumpcatsforleftnav", nKeyLength=19, h=0, flag=0)
    at /usr/local/src/php-5.0.4/Zend/zend_hash.c:490
#8  0x006670b3 in zend_hash_reverse_apply (ht=0x810f098,
    apply_func=0x656e78 <is_not_internal_function>)
    at /usr/local/src/php-5.0.4/Zend/zend_hash.c:738
#9  0x00657389 in shutdown_executor ()
    at /usr/local/src/php-5.0.4/Zend/zend_execute_API.c:264
#10 0x00660eed in zend_deactivate ()
    at /usr/local/src/php-5.0.4/Zend/zend.c:817
#11 0x006320f5 in php_request_shutdown (dummy=0x0)
    at /usr/local/src/php-5.0.4/main/main.c:1216
#12 0x0069e048 in php_apache_request_dtor (r=0x82df078)
    at /usr/local/src/php-5.0.4/sapi/apache2handler/sapi_apache2.c:443
#13 0x0069e5a9 in php_handler (r=0x82df078)
    at /usr/local/src/php-5.0.4/sapi/apache2handler/sapi_apache2.c:572
#14 0x0807d429 in ap_run_handler (r=0x82df078) at config.c:152
#15 0x0807d973 in ap_invoke_handler (r=0x82df078) at config.c:364
#16 0x0807ad22 in ap_process_request (r=0x82df078) at http_request.c:249
#17 0x08076c8a in ap_process_http_connection (c=0x82d70e0) at http_core.c:251
#18 0x08085bb8 in ap_run_process_connection (c=0x82d70e0) at connection.c:43
#19 0x08085e7c in ap_process_connection (c=0x82d70e0, csd=0x82d7008)
    at connection.c:176
#20 0x0807c0b0 in child_main (child_num_arg=2) at prefork.c:610
#21 0x0807c20a in make_child (s=0x80f4058, slot=2) at prefork.c:704
#22 0x0807c261 in startup_children (number_to_start=5) at prefork.c:722
#23 0x0807c563 in ap_mpm_run (_pconf=0x80ba958, plog=0x80eca20, s=0x80f4058)
    at prefork.c:941
#24 0x08081d4e in main (argc=5, argv=0xbffffdd4) at main.c:618

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[2005-09-01 17:48 UTC] sniper@php.net

Please try using this CVS snapshot:

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

[2005-09-01 20:57 UTC] james at academicsuperstore dot com

When I configure, make, make install using the same configure line as before I am left with a nonfunctioning php.  Hitting php pages just produces a white screen.  Even the cli php exits with code 1.  There are no cores or errors in the log.  Was something between 5.0.4 and the snapshot broken?  Sorry I can't test the fix.

[2005-09-01 23:48 UTC] sniper@php.net

Check your httpd.conf that PHP is really enabled..

[2005-09-02 01:45 UTC] james at academicsuperstore dot com

I didn't touch my httpd.conf.  I literally did a ./configure, make, make install, apachectl restart.  Plus even running just the cli php is borked, exits with message 1 no matter what options it is given.

Even something like:
php -r "echo 'test';"

just exits with message 1 and no output.

[2005-09-02 07:24 UTC] sniper@php.net

Please try using this CVS snapshot:

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

Try newer snapshot.

[2005-09-02 07:24 UTC] sniper@php.net

And FYI: PHP touches httpd.conf when you do 'make install'..

[2005-09-02 16:29 UTC] james at academicsuperstore dot com

Thanks, everything works as expected and the segfault is fixed.  When will 5.0.5 be out?

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