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Date: Sun, 7 Dec 2003 12:31:33 +0200 (EET)
Reply-To: Jani Taskinen <sniper@iki.fi>
To: Andrey Hristov <php@hristov.com>
Cc: internals@lists.php.net
In-Reply-To: <3FD206E3.2090703@hristov.com>
Message-ID: <Pine.LNX.4.53.0312071230020.7075@ybpnyubfg.ybpnyqbznva>
References: <3FD206E3.2090703@hristov.com>
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Subject: Re: [PHP-DEV] Segfault in HEAD
From: sniper@iki.fi (Jani Taskinen)


    Please add this as one regression test..there are never too many
    of these. (If it doesn't already exist)
    
    --Jani

On Sat, 6 Dec 2003, Andrey Hristov wrote:

>Hi,
>the following script segfaults when HEAD is used (no problem with PHP_4_3).
><?php
>$s = "FUBAR";
>$s[0][] = 1;
>?>
>
>Here is a session that shows the script and the error spotted by valgrind.
>[session]
>
>bash-2.05b$ cat soffset.php
><?php
>$s = "FUBAR";
>$s[0][] = 1;
>?>
>bash-2.05b$ valgrind ./php soffset.php
>==4985== Memcheck, a.k.a. Valgrind, a memory error detector for x86-linux.
>==4985== Copyright (C) 2002-2003, and GNU GPL'd, by Julian Seward.
>==4985== Using valgrind-2.0.0, a program supervision framework for 
>x86-linux.
>==4985== Copyright (C) 2000-2003, and GNU GPL'd, by Julian Seward.
>==4985== Estimated CPU clock rate is 300 MHz
>==4985== For more details, rerun with: -v
>==4985==
>==4985== Invalid read of size 4
>==4985==    at 0x814C3E3: zend_assign_dim_handler (zend_execute.c:2069)
>==4985==    by 0x814A22E: execute (zend_execute.c:1273)
>==4985==    by 0x812C1EA: zend_execute_scripts (zend.c:1016)
>==4985==    by 0x80F221B: php_execute_script (main.c:1625)
>==4985==    Address 0x0 is not stack'd, malloc'd or free'd
>Segmentation fault
>bash-2.05b$ ../4_3/php soffset.php
>bash-2.05b$
>
>[/session]
>
>Regards,
>Andrey
>
>