From: mukraish at gmail dot com
Operating system: Linux version 2.6.20
PHP version: 5.2.5
PHP Bug Type: PDO related
Bug description: Segfault when an exception is thrown on persistent
connections.
Description:
------------
PHP segfaults (with PDO_OCI) when PDOStatement throws an exception while
persistent connection is enabled. Running latest CVS version
(php5.2-200803010130) with the following config options ...
./configure --enable-debug --with-pdo-oci
Reproduce code:
---------------
<?php
try {
$dbh = new PDO('oci:dbname=//host:1521/ex', 'foo', 'bar',
array(PDO::ATTR_PERSISTENT => true));
$dbh->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
$stmt = $dbh->prepare('SELECT * FROM no_table');
$stmt->execute();
} catch (PDOException $e) {
print $e->getMessage();
}
$dbh = null;
?>
Expected result:
----------------
Print exception message:
SQLSTATE[HY000]: General error: 942 OCIStmtExecute: ORA-00942: table or
view does not exist
Actual result:
--------------
Segmentation fault
BACKTRACE:
(gdb) bt
#0 0x082f1839 in zend_mm_check_ptr (heap=0x84791c8, ptr=0x85b6188,
silent=1,
__zend_filename=0x83fb1e0
"/home/mukra/php5.2-200803010130/ext/pdo_oci/oci_statement.c",
__zend_lineno=90, __zend_orig_filename=0x0,
__zend_orig_lineno=0)
at /home/mukra/php5.2-200803010130/Zend/zend_alloc.c:1286
#1 0x082f2e16 in _zend_mm_free_int (heap=0x84791c8, p=0x85b6188,
__zend_filename=0x83fb1e0
"/home/mukra/php5.2-200803010130/ext/pdo_oci/oci_statement.c",
__zend_lineno=90, __zend_orig_filename=0x0,
__zend_orig_lineno=0)
at /home/mukra/php5.2-200803010130/Zend/zend_alloc.c:1925
#2 0x082f3ef1 in _efree (ptr=0x85b6188,
__zend_filename=0x83fb1e0
"/home/mukra/php5.2-200803010130/ext/pdo_oci/oci_statement.c",
__zend_lineno=90, __zend_orig_filename=0x0,
__zend_orig_lineno=0)
at /home/mukra/php5.2-200803010130/Zend/zend_alloc.c:2293
#3 0x08135197 in oci_stmt_dtor (stmt=0x855a800)
at /home/mukra/php5.2-200803010130/ext/pdo_oci/oci_statement.c:90
#4 0x08130cab in free_statement (stmt=0x855a800)
at /home/mukra/php5.2-200803010130/ext/pdo/pdo_stmt.c:2355
#5 0x08130e9d in php_pdo_stmt_delref (stmt=0x855a800)
at /home/mukra/php5.2-200803010130/ext/pdo/pdo_stmt.c:2397
#6 0x08130eb0 in pdo_dbstmt_free_storage (stmt=0x855a800)
at /home/mukra/php5.2-200803010130/ext/pdo/pdo_stmt.c:2403
#7 0x083345f5 in zend_objects_store_del_ref_by_handle (handle=2)
at /home/mukra/php5.2-200803010130/Zend/zend_objects_API.c:206
#8 0x0833449b in zend_objects_store_del_ref (zobject=0x855b174)
at /home/mukra/php5.2-200803010130/Zend/zend_objects_API.c:168
#9 0x0830f12d in _zval_dtor_func (zvalue=0x855b174,
__zend_filename=0x84482ec
"/home/mukra/php5.2-200803010130/Zend/zend_variables.h", __zend_lineno=35)
at /home/mukra/php5.2-200803010130/Zend/zend_variables.c:52
#10 0x08301a2e in _zval_dtor (zvalue=0x855b174,
__zend_filename=0x8448270
"/home/mukra/php5.2-200803010130/Zend/zend_execute_API.c",
__zend_lineno=414)
at /home/mukra/php5.2-200803010130/Zend/zend_variables.h:35
---Type <return> to continue, or q <return> to quit---
#11 0x08301bec in _zval_ptr_dtor (zval_ptr=0x855aa7c,
__zend_filename=0x84493ec
"/home/mukra/php5.2-200803010130/Zend/zend_variables.c",
__zend_lineno=175)
at /home/mukra/php5.2-200803010130/Zend/zend_execute_API.c:414
#12 0x0830f49c in _zval_ptr_dtor_wrapper (zval_ptr=0x855aa7c)
at /home/mukra/php5.2-200803010130/Zend/zend_variables.c:175
#13 0x0831d54a in zend_hash_apply_deleter (ht=0x8478650, p=0x855aa70)
at /home/mukra/php5.2-200803010130/Zend/zend_hash.c:611
#14 0x0831da79 in zend_hash_reverse_apply (ht=0x8478650,
apply_func=0x830154e <zval_call_destructor>)
at /home/mukra/php5.2-200803010130/Zend/zend_hash.c:760
#15 0x083015d5 in shutdown_destructors ()
at /home/mukra/php5.2-200803010130/Zend/zend_execute_API.c:211
#16 0x08310b08 in zend_call_destructors ()
at /home/mukra/php5.2-200803010130/Zend/zend.c:845
#17 0x082bf5f5 in php_request_shutdown (dummy=0x0)
at /home/mukra/php5.2-200803010130/main/main.c:1446
#18 0x0838e62f in main (argc=2, argv=0xbfa713b4)
at /home/mukra/php5.2-200803010130/sapi/cli/php_cli.c:1321
(gdb)
--
Edit bug report at http://bugs.php.net/?id=44301&edit=1
--
Try a CVS snapshot (PHP 5.2):
http://bugs.php.net/fix.php?id=44301&r=trysnapshot52
Try a CVS snapshot (PHP 5.3):
http://bugs.php.net/fix.php?id=44301&r=trysnapshot53
Try a CVS snapshot (PHP 6.0):
http://bugs.php.net/fix.php?id=44301&r=trysnapshot60
Fixed in CVS: http://bugs.php.net/fix.php?id=44301&r=fixedcvs
Fixed in release:
http://bugs.php.net/fix.php?id=44301&r=alreadyfixed
Need backtrace: http://bugs.php.net/fix.php?id=44301&r=needtrace
Need Reproduce Script: http://bugs.php.net/fix.php?id=44301&r=needscript
Try newer version: http://bugs.php.net/fix.php?id=44301&r=oldversion
Not developer issue: http://bugs.php.net/fix.php?id=44301&r=support
Expected behavior: http://bugs.php.net/fix.php?id=44301&r=notwrong
Not enough info:
http://bugs.php.net/fix.php?id=44301&r=notenoughinfo
Submitted twice:
http://bugs.php.net/fix.php?id=44301&r=submittedtwice
register_globals: http://bugs.php.net/fix.php?id=44301&r=globals
PHP 4 support discontinued: http://bugs.php.net/fix.php?id=44301&r=php4
Daylight Savings: http://bugs.php.net/fix.php?id=44301&r=dst
IIS Stability: http://bugs.php.net/fix.php?id=44301&r=isapi
Install GNU Sed: http://bugs.php.net/fix.php?id=44301&r=gnused
Floating point limitations: http://bugs.php.net/fix.php?id=44301&r=float
No Zend Extensions: http://bugs.php.net/fix.php?id=44301&r=nozend
MySQL Configuration Error: http://bugs.php.net/fix.php?id=44301&r=mysqlcfg
