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[2007-05-06 19:12 UTC] Sjon at hortensius dot net
Description:
------------
Although other regexps work fine; this one crashes since 4.4.7 is installed
Reproduce code:
---------------
<?PHP
$x = new x();
class x {
function y($matches){
echo 'no problem!';
}
function x(){
preg_replace_callback('~\{([a-zA-Z\-_]{0,50})@([a-zA-Z_\d]{1,50})\}((?:(?:\{[a-zA-Z.\-_\d]{1,50}\}|[^\{\}]*)(\{,\})?)*)\{\1/\}~sU', array(&$this, 'y'), '{@function}argument{/}');
}
}
?>
Expected result:
----------------
I would expect the x::y function to be ran by preg_replace_callback
Actual result:
--------------
[Sun May 06 20:47:49 2007] [notice] child pid 26044 exit signal Segmentation fault (11)
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Last updated: Mon Oct 27 06:00:01 2025 UTC |
The backtrace is _very_ long. Here is the first part: Program received signal SIGSEGV, Segmentation fault. match (eptr=0x82a3b47 "argument{/}", ecode=0x82a37a5 "O", offset_top=6, md=0xbfeac6ac, ims=4, eptrb=0x0, flags=0, rdepth=11366) at /root/packages/php/src/php-4.4.7/ext/pcre/pcrelib/pcre_exec.c:372 372 /root/packages/php/src/php-4.4.7/ext/pcre/pcrelib/pcre_exec.c: No such file or directory. in /root/packages/php/src/php-4.4.7/ext/pcre/pcrelib/pcre_exec.c (gdb) bt #0 match (eptr=0x82a3b47 "argument{/}", ecode=0x82a37a5 "O", offset_top=6, md=0xbfeac6ac, ims=4, eptrb=0x0, flags=0, rdepth=11366) at /root/packages/php/src/php-4.4.7/ext/pcre/pcrelib/pcre_exec.c:372 #1 0x0807e197 in match (eptr=0x82a3b47 "argument{/}", ecode=<value optimized out>, offset_top=6, md=0xbfeac6ac, ims=4, eptrb=0x0, flags=0, rdepth=11365) at /root/packages/php/src/php-4.4.7/ext/pcre/pcrelib/pcre_exec.c:1187 #2 0x0807a5e0 in match (eptr=<value optimized out>, ecode=<value optimized out>, offset_top=<value optimized out>, md=0xbfeac6ac, ims=4, eptrb=0x0, flags=<value optimized out>, rdepth=11364) at /root/packages/php/src/php-4.4.7/ext/pcre/pcrelib/pcre_exec.c:1082 #3 0x0807e560 in match (eptr=<value optimized out>, ecode=<value optimized out>, offset_top=<value optimized out>, md=0xbfeac6ac, ims=4, eptrb=0x0, flags=<value optimized out>, rdepth=11363) at /root/packages/php/src/php-4.4.7/ext/pcre/pcrelib/pcre_exec.c:1740