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Bug #76741 oci_bind_by_name memory allocation issue
Submitted: 2018-08-14 09:58 UTC Modified: 2018-11-18 22:33 UTC
From: dmitry dot matora at gmail dot com Assigned: sixd (profile)
Status: No Feedback Package: OCI8 related
PHP Version: 7.0.31 OS: Debian
Private report: No CVE-ID: None
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From: dmitry dot matora at gmail dot com
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 [2018-08-14 09:58 UTC] dmitry dot matora at gmail dot com 
Description:
------------
looks like oci_bind_by_name has some memory allocation issue

when clave == '';
running oci_bind_by_name($stid, ":password", strtoupper($clave))
produces 'Only variables should be passed by reference' which is expected, but then all empty strings are string(6) "\x00\x00\x00\x00\x00\x00" instead of string(0) ""
substr("", 0, 0) still produces string(0) "" though


Test script:
---------------
$clave = '';
oci_bind_by_name($stid, ":password", strtoupper($clave))
$test = ''; var_dump($test);
will produce string(6) "\x00\x00\x00\x00\x00\x00";

Expected result:
----------------
I expect 
$test = ''; var_dump($test);
to produce string(0) ""

Actual result:
--------------
after reaching clave=""; oci_bind_by_name($stid, ":password", strtoupper($clave))

$test = ''; var_dump($test);
produces string(6) "\x00\x00\x00\x00\x00\x00"

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 [2018-08-19 17:25 UTC] bukka@php.net
-Package: FPM related +Package: OCI8 related
 [2018-08-19 17:25 UTC] bukka@php.net 
it doesn't seem to be fpm related...
 [2018-08-20 03:48 UTC] sixd@php.net
-Status: Open +Status: Feedback -Assigned To: +Assigned To: sixd
 [2018-08-20 03:48 UTC] sixd@php.net 
Can you give a runnable testcase and any CREATE TABLE and INSERT statements required?
 [2018-11-18 22:33 UTC] cmb@php.net
-Status: Feedback +Status: No Feedback
 [2018-11-18 22:33 UTC] cmb@php.net 
No feedback was provided. The bug is being suspended because
we assume that you are no longer experiencing the problem.
If this is not the case and you are able to provide the
information that was requested earlier, please do so and
change the status of the bug back to "Re-Opened". Thank you.
 
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