[pcre-dev] [Bug 616] New: Crash

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http://bugs.exim.org/show_bug.cgi?id=616
           Summary: Crash
           Product: PCRE
           Version: 7.2
          Platform: x86
        OS/Version: Linux
            Status: NEW
          Severity: bug
          Priority: medium
         Component: Code
        AssignedTo: ph10@???
        ReportedBy: felipensp@???
                CC: pcre-dev@???

Code:
<?php

for ($str = '<', $i = 0; $i < 9999; $i++) {
    $str .= str_repeat(md5(time()), 100);
}
preg_match_all('/<((?:(?!>).)+)>/s', $str, $matches);

?>

---------------------------
Test:

felipe@bl4ck:~/public_html$ php test.php
Falha de segmentação (core dumped)

---------------------------
GDB:

felipe@bl4ck:~/public_html$ gdb -q php
Using host libthread_db library "/lib/tls/i686/cmov/libthread_db.so.1".
(gdb) r test.php
Starting program: /usr/local/bin/php test.php
[Thread debugging using libthread_db enabled]
[New Thread -1212098144 (LWP 4950)]

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread -1212098144 (LWP 4950)]
match (
    eptr=0x847f6c4
"f9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5"...,
ecode=0x84aec70 "\033>T", 
    mstart=0x847cd18
"<1f99d77543ef9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5bbddcbd6529021f99d77"...,
offset_top=2, md=0xbf9731fc, ims=4, 
    eptrb=0x0, flags=0, rdepth=10669) at
/home/felipe/php-5.2.4/ext/pcre/pcrelib/pcre_exec.c:400
400     {

---------------------------
Backtrace:

(gdb) bt
#0  match (
    eptr=0x847f6c4
"f9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5"...,
ecode=0x84aec70 "\033>T", 
    mstart=0x847cd18
"<1f99d77543ef9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5bbddcbd6529021f99d77"...,
offset_top=2, md=0xbf9731fc, ims=4, 
    eptrb=0x0, flags=0, rdepth=10669) at
/home/felipe/php-5.2.4/ext/pcre/pcrelib/pcre_exec.c:400
#1  0x08095423 in match (eptr=<value optimized out>, ecode=<value optimized
out>, mstart=<value optimized out>, offset_top=2, 
    md=0xbf9731fc, ims=4, eptrb=0x0, flags=<value optimized out>, rdepth=10668)
    at /home/felipe/php-5.2.4/ext/pcre/pcrelib/pcre_exec.c:856
#2  0x08093b07 in match (
    eptr=0x847f6c4
"f9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5"...,
ecode=<value optimized out>, 
    mstart=0x847cd18
"<1f99d77543ef9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5bbddcbd6529021f99d77"...,
offset_top=2, md=0xbf9731fc, ims=4, 
    eptrb=0x0, flags=<value optimized out>, rdepth=10667) at
/home/felipe/php-5.2.4/ext/pcre/pcrelib/pcre_exec.c:1234
#3  0x08093b07 in match (
    eptr=0x847f6c4
"f9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5"...,
ecode=<value optimized out>, 
    mstart=0x847cd18
"<1f99d77543ef9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5bbddcbd6529021f99d77"...,
offset_top=2, md=0xbf9731fc, ims=4, 
    eptrb=0x0, flags=<value optimized out>, rdepth=10666) at
/home/felipe/php-5.2.4/ext/pcre/pcrelib/pcre_exec.c:1234
#4  0x08093b07 in match (
    eptr=0x847f6c4
"f9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5"...,
ecode=<value optimized out>, 
    mstart=0x847cd18
"<1f99d77543ef9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5bbddcbd6529021f99d77"...,
offset_top=2, md=0xbf9731fc, ims=4, 
    eptrb=0x0, flags=<value optimized out>, rdepth=10665) at
/home/felipe/php-5.2.4/ext/pcre/pcrelib/pcre_exec.c:1234
#5  0x08093b07 in match (
    eptr=0x847f6c4
"f9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5"...,
ecode=<value optimized out>, 
    mstart=0x847cd18
"<1f99d77543ef9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5bbddcbd6529021f99d77"...,
offset_top=2, md=0xbf9731fc, ims=4, 
    eptrb=0x0, flags=<value optimized out>, rdepth=10664) at
/home/felipe/php-5.2.4/ext/pcre/pcrelib/pcre_exec.c:1234
#6  0x08093b07 in match (
    eptr=0x847f6c4
"f9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5bbddcbd6529021f99d77543ef9ba1aa5"...,
ecode=<value optimized out>, 
...

Regards,
Felipe.


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