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Bug #53737 segfault / php crash on nl2br(object)
Submitted: 2011-01-13 14:58 UTC Modified: 2011-01-14 12:33 UTC
From: martin at veverka dot eu Assigned:
Status: Not a bug Package: Strings related
PHP Version: 5.3.5 OS: gentoo 1.12.14, FreeBSD 8.0
Private report: No CVE-ID: None
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From: martin at veverka dot eu
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 [2011-01-13 14:58 UTC] martin at veverka dot eu 
Description:
------------
Calling nl2br(any_object) causes segmentation fault and crashing php.

Test script:
---------------
<?php

// any object
echo nl2br(new mysqli());


Expected result:
----------------
fatal error is expected

Catchable fatal error: Object of class mysqli could not be converted to string in - on line 3

Actual result:
--------------
segfault and php crash

dmesg shows this:
[12476.986676] php-cgi[21195]: segfault at 3118 ip 00007ff86c5d6074 sp 00007fff1edd4e60 error 4 in php-cgi[7ff86c26f000+77e000]

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 [2011-01-13 15:58 UTC] cataphract@php.net
-Status: Open +Status: Feedback
 [2011-01-13 15:58 UTC] cataphract@php.net 
I can't reproduce:

$ ~/php/php5.3-t/bin/php -r "echo nl2br(new mysqli);"

Warning: nl2br() expects parameter 1 to be string, object given in Command line code on line 1

I also find no problem in nl2br (all pretty standard). Can you give more details?
 [2011-01-13 23:02 UTC] martin at veverka dot eu
-Status: Feedback +Status: Closed
 [2011-01-13 23:02 UTC] martin at veverka dot eu 
Seems that the segfault is caused by the object itself, I will post more details as soon as i know something. Sorry for the misleading description.
 [2011-01-14 12:33 UTC] cataphract@php.net
-Status: Closed +Status: Bogus
 [2011-01-14 12:33 UTC] cataphract@php.net 
I'm closing as bogus. If you find the problem, please submit a new bug report.

Than you.
 
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