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Bug #43039 Seg Fault (11) when using DB4 handler
Submitted: 2007-10-19 14:45 UTC Modified: 2007-10-30 01:00 UTC
Votes:5
Avg. Score:4.6 ± 0.8
Reproduced:5 of 5 (100.0%)
Same Version:5 (100.0%)
Same OS:5 (100.0%)
From: philippe dot gablain at gmail dot com Assigned: helly (profile)
Status: No Feedback Package: DBM/DBA related
PHP Version: 5.2.4 OS: Linux Ubuntu 7.10
Private report: No CVE-ID: None
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 [2007-10-19 14:45 UTC] philippe dot gablain at gmail dot com 
Description:
------------
Segmentation fault got anytime I call dba_open() since I upgraded from Ubuntu 7.04 French to 7.10 French (Apache 2.2.4,PHP5.2.3).



Reproduce code:
---------------
$dbfile=" some ";


$id = dba_open ($dbfile, "n", "db4"); // tested wl or n

if (!$id) {
    echo "dba_open failed\n";
    exit;
}

dba_replace ("key", "some value", $id);
echo "<PRE>\n";
if ($the_key = dba_firstkey($id)) do {
    print("$the_key => ");
    print dba_fetch($the_key, $id);
    print("\n");
} while ($the_key = dba_nextkey($id));
echo "</PRE>\n";

dba_close ($id);

Expected result:
----------------
key => some value

Actual result:
--------------
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread -1216125264 (LWP 1289)]
0x085d7410 in ?? ()
(gdb) bt
#0  0x085d7410 in ?? ()
#1  0xb71f09ad in dba_open_db4 () from /usr/lib/apache2/modules/libphp5.so
#2  0xb71eefe5 in ?? () from /usr/lib/apache2/modules/libphp5.so
#3  0x08603d1c in ?? ()
#4  0xbfb590f8 in ?? ()
#5  0x00000001 in ?? ()
#6  0x00000000 in ?? ()

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 [2007-10-21 15:37 UTC] iliaa@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

Works fine in CVS, could be an issue with a buggy db4 library.
 [2007-10-21 15:44 UTC] magnus@php.net 
just tried it with db4.4 (default on Ubuntu 7.10) and it crashed, 
then I tried with db4.6 which works..
 [2007-10-22 20:22 UTC] helly@php.net 
What version of db 4.4 is that exactly?
 [2007-10-30 01:00 UTC] php-bugs at lists dot php dot net 
No feedback was provided for this bug for over a week, so it is
being suspended automatically. If you are able to provide the
information that was originally requested, please do so and change
the status of the bug back to "Open".
 [2008-01-07 10:52 UTC] gchiesa at smos dot org 
same issue with Ubuntu 7.10 and dba4.

---
$ dpkg -la | grep db4 

ii  libdb4.2                                   4.2.52+dfsg-2ubuntu1                Berkeley v4.2 Database Libraries [runtime]
ii  libdb4.3                                   4.3.29-8ubuntu2                     Berkeley v4.3 Database Libraries [runtime]
ii  libdb4.4                                   4.4.20-8.1ubuntu3.1                 Berkeley v4.4 Database Libraries [runtime]
ii  libdb4.5                                   4.5.20-5ubuntu3                     Berkeley v4.5 Database Libraries [runtime]
---
 
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