From: gory at mail dot bg
Operating system: CentOS 5.2 (x86_64)
PHP version: 5.2.6
PHP Bug Type: ODBC related
Bug description: Segmentation fault in PHP + unixODBC on x86_64
Description:
------------
Apache/2.2.9
PHP 5.2.6
unixODBC 2.2.12
all compiled from Fedora SRPM on CentOS 5.2 x86_64
Sybase SQL Anywhere 11 or 9 ODBC driver.
Segmentation fault in odbc_fetch_row
Same query runs fine in isql and retrieve data.
Reproduce code:
---------------
<?php
define("_AW_DSN", "******");
define("_AW_UID", "******");
define("_AW_PWD", "******");
$product = 1;
$qry = "
SELECT mod_id,
mod_product
FROM aw_products_modules
WHERE mod_product = " . $product . " ORDER BY mod_order";
$db_handle = odbc_connect( _AW_DSN, _AW_UID, _AW_PWD, SQL_CUR_USE_ODBC
);
$l_result = odbc_exec( $db_handle , $qry );
while( odbc_fetch_row( $l_result) != FALSE ) {
echo "<br />" . odbc_result( $l_result, "mod_id" );
}
?>
Expected result:
----------------
Print few rows just for test.
Actual result:
--------------
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 47541093602656 (LWP 7696)]
0x00002b3d0396f105 in memcpy () from /lib64/libc.so.6
(gdb) bt
#0 0x00002b3d0396f105 in memcpy () from /lib64/libc.so.6
#1 0x00002aaab0002e63 in fetch_row (cl_statement=0x2aaaac00f8a0,
row_number=0, offset=0) at /usr/include/bits/string3.h:51
#2 0x00002aaab00031a1 in fetch_rowset (cl_statement=0x2aaaac00f8a0,
rows_in_set=1, row_offset=0, fetched_rows=0x7fffa90d48b4,
row_status_array=0x7fffa90d4a70, rows_fetched_ptr=0x1) at
SQLExtendedFetch.c:464
#3 0x00002aaab00033d7 in do_fetch_scroll (cl_statement=0x2aaaac00f8a0,
fetch_orientation=1, fetch_offset=1, row_status_ptr=0x2b3d16983880,
rows_fetched_ptr=0x1, ext_fetch=1) at SQLExtendedFetch.c:749
#4 0x00002aaab00038db in CLExtendedFetch (statement_handle=0x0,
f_fetch_type=0, irow=12, pcrow=0x2b3d16983880, rgf_row_status=0x0)
at SQLExtendedFetch.c:927
#5 0x00002b3d13f50546 in SQLExtendedFetch
(statement_handle=0x2aaaac00f230, f_fetch_type=1, irow=1,
pcrow=0x7fffa90d4a6c, rgf_row_status=0x7fffa90d4a70)
at SQLExtendedFetch.c:290
#6 0x00002b3d13d13f13 in zif_odbc_fetch_row (ht=1,
return_value=0x2b3d16893550, return_value_ptr=<value optimized out>,
this_ptr=<value optimized out>,
return_value_used=<value optimized out>) at
/usr/src/debug/php-5.2.6/ext/odbc/php_odbc.c:1706
#7 0x00002b3d0ce98612 in zend_do_fcall_common_helper_SPEC
(execute_data=0x7fffa90d4f10) at
/usr/src/debug/php-5.2.6/Zend/zend_vm_execute.h:200
#8 0x00002b3d0ce8840c in execute (op_array=0x2b3d168916f0) at
/usr/src/debug/php-5.2.6/Zend/zend_vm_execute.h:92
#9 0x00002b3d0ce68d73 in zend_execute_scripts (type=8, retval=<value
optimized out>, file_count=3) at /usr/src/debug/php-5.2.6/Zend/zend.c:1134
#10 0x00002b3d0ce29368 in php_execute_script (primary_file=0x7fffa90d73f0)
at /usr/src/debug/php-5.2.6/main/main.c:2005
#11 0x00002b3d0ceeb53d in php_handler (r=0x2b3d169690e8) at
/usr/src/debug/php-5.2.6/sapi/apache2handler/sapi_apache2.c:629
#12 0x00002b3d019fad4a in ap_run_handler (r=0x2b3d169690e8) at
/usr/src/debug/httpd-2.2.9/server/config.c:157
#13 0x00002b3d019fe1cc in ap_invoke_handler (r=0x2b3d169690e8) at
/usr/src/debug/httpd-2.2.9/server/config.c:372
#14 0x00002b3d01a08eb8 in ap_process_request (r=0x2b3d169690e8) at
/usr/src/debug/httpd-2.2.9/modules/http/http_request.c:258
#15 0x00002b3d01a060e0 in ap_process_http_connection (c=0x2b3d168c83d8) at
/usr/src/debug/httpd-2.2.9/modules/http/http_core.c:190
#16 0x00002b3d01a021a2 in ap_run_process_connection (c=0x2b3d168c83d8) at
/usr/src/debug/httpd-2.2.9/server/connection.c:43
#17 0x00002b3d01a0d068 in child_main (child_num_arg=<value optimized out>)
at /usr/src/debug/httpd-2.2.9/server/mpm/prefork/prefork.c:650
#18 0x00002b3d01a0d269 in make_child (s=0x2b3d0ae87dc8, slot=0) at
/usr/src/debug/httpd-2.2.9/server/mpm/prefork/prefork.c:690
#19 0x00002b3d01a0debd in ap_mpm_run (_pconf=<value optimized out>,
plog=<value optimized out>, s=<value optimized out>)
at /usr/src/debug/httpd-2.2.9/server/mpm/prefork/prefork.c:966
#20 0x00002b3d019e8183 in main (argc=2, argv=0x7fffa90d79e8) at
/usr/src/debug/httpd-2.2.9/server/main.c:730
--
Edit bug report at http://bugs.php.net/?id=45819&edit=1
--
Try a CVS snapshot (PHP 5.2):
http://bugs.php.net/fix.php?id=45819&r=trysnapshot52
Try a CVS snapshot (PHP 5.3):
http://bugs.php.net/fix.php?id=45819&r=trysnapshot53
Try a CVS snapshot (PHP 6.0):
http://bugs.php.net/fix.php?id=45819&r=trysnapshot60
Fixed in CVS: http://bugs.php.net/fix.php?id=45819&r=fixedcvs
Fixed in release:
http://bugs.php.net/fix.php?id=45819&r=alreadyfixed
Need backtrace: http://bugs.php.net/fix.php?id=45819&r=needtrace
Need Reproduce Script: http://bugs.php.net/fix.php?id=45819&r=needscript
Try newer version: http://bugs.php.net/fix.php?id=45819&r=oldversion
Not developer issue: http://bugs.php.net/fix.php?id=45819&r=support
Expected behavior: http://bugs.php.net/fix.php?id=45819&r=notwrong
Not enough info:
http://bugs.php.net/fix.php?id=45819&r=notenoughinfo
Submitted twice:
http://bugs.php.net/fix.php?id=45819&r=submittedtwice
register_globals: http://bugs.php.net/fix.php?id=45819&r=globals
PHP 4 support discontinued: http://bugs.php.net/fix.php?id=45819&r=php4
Daylight Savings: http://bugs.php.net/fix.php?id=45819&r=dst
IIS Stability: http://bugs.php.net/fix.php?id=45819&r=isapi
Install GNU Sed: http://bugs.php.net/fix.php?id=45819&r=gnused
Floating point limitations: http://bugs.php.net/fix.php?id=45819&r=float
No Zend Extensions: http://bugs.php.net/fix.php?id=45819&r=nozend
MySQL Configuration Error: http://bugs.php.net/fix.php?id=45819&r=mysqlcfg
