Re: Segfault in HEAD
| From: | Jani Taskinen | Date: | Sun, 07 Dec 2003 10:31:33 +0000 |
| Subject: | Re: Segfault in HEAD | ||
| References: | 1 | Groups: | php.internals |
| Request: | Send a blank email to internals+get-6263@lists.php.net to get a copy of this message | ||
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
>
>