Bug #69037 [Opn->Wfx]: preg_replaceæ¿æ¢å
容è¿å¤æ¥Segmentation fault
Edit report at https://bugs.php.net/bug.php?id=69037&edit=1
ID: 69037
Updated by: laruence@php.net
Reported by: wangxx2026 at 126 dot com
Summary: preg_replaceæ¿æ¢å
容è¿å¤æ¥Segmentation fault
-Status: Open
+Status: Wont fix
Type: Bug
Package: Filter related
Operating System: Ubuntu 12.04.3
PHP Version: 5.5.16
Block user comment: N
Private report: N
New Comment:
this is a knew issue: http://php.net/manual/en/pcre.configuration.php#ini.pcre.recursion-limit
Previous Comments:
------------------------------------------------------------------------
[2015-02-12 11:14:48] wangxx2026 at 126 dot com
#0 0x00000000004a9fa9 in match (
eptr=0x7f4e91699620
" &n"...,
ecode=0x2a66193 "\205", mstart=<error reading variable: Cannot access memory at address
0x7fffc4f48da8>,
offset_top=<error reading variable: Cannot access memory at address 0x7fffc4f48da4>,
md=<error reading variable: Cannot access memory at address 0x7fffc4f48d98>,
eptrb=<error reading variable: Cannot access memory at address 0x7fffc4f48d90>,
rdepth=8862) at /usr/local/src/php-5.5.16/ext/pcre/pcrelib/pcre_exec.c:516
#1 0x00000000004acf3e in match (
eptr=0x7f4e91699620
" &n"...,
ecode=0x2a661a4 "y",
mstart=0x7f4e91692e46
" &n"...,
offset_top=4, md=0x7fffc57438c0, eptrb=0x0, rdepth=8861) at
/usr/local/src/php-5.5.16/ext/pcre/pcrelib/pcre_exec.c:2043
#2 0x00000000004aab1e in match (
eptr=0x7f4e9169961a
" &n"...,
ecode=0x2a66193 "\205",
mstart=0x7f4e91692e46
" &n"...,
offset_top=4, md=0x7fffc57438c0, eptrb=0x0, rdepth=8860) at
/usr/local/src/php-5.5.16/ext/pcre/pcrelib/pcre_exec.c:983
#3 0x00000000004acf3e in match (
eptr=0x7f4e9169961a
" &n"...,
ecode=0x2a661a4 "y",
mstart=0x7f4e91692e46
" &n"...,
offset_top=4, md=0x7fffc57438c0, eptrb=0x0, rdepth=8859) at
/usr/local/src/php-5.5.16/ext/pcre/pcrelib/pcre_exec.c:2043
......
------------------------------------------------------------------------
[2015-02-12 10:08:44] laruence@php.net
Thank you for this bug report. To properly diagnose the problem, we
need a backtrace to see what is happening behind the scenes. To
find out how to generate a backtrace, please read
http://bugs.php.net/bugs-generating-backtrace.php
for *NIX and
http://bugs.php.net/bugs-generating-backtrace-win32.php
for Win32
Once you have generated a backtrace, please submit it to this bug
report and change the status back to "Open". Thank you for helping
us make PHP better.
------------------------------------------------------------------------
[2015-02-12 09:19:54] 25843528 at qq dot com
you are chinese
------------------------------------------------------------------------
[2015-02-12 08:31:16] wangxx2026 at 126 dot com
çæ¬å·ä¿®æ¹
------------------------------------------------------------------------
[2015-02-12 08:22:32] wangxx2026 at 126 dot com
Description:
------------
preg_replaceæ¿æ¢å
容è¿å¤æ¥Segmentation fault
Test script:
---------------
$s='<p>
ä¹å¤·æ°å壹å·ç¬å
·ä¸æ ¼çå¤ç«é¢ï¼ä¸åº¦å¼é¢äºä¸è¥¿æ¹åºçé£å°ï¼èç¼æ æ¯ï¼æ´è·å¾äº2014年度“é£å°æ¥¼ç”çç§°å·ã<br
/>
&nbs!
p; &n!
bsp; &nbs!
p; &n!
bsp; !
 !
; &nb!
sp; &!
nbsp; !
&nbs!
p; &n!
bsp; &!
nbsp;  !
; &nb!
sp; &n!
bsp; !
&nbs!
p; &nb!
sp; &!
nbsp;  !
; &nbs!
p; &n!
bsp; !
 !
; &nb!
sp; &!
nbsp; !
&nbs!
p; &n!
bsp; &!
nbsp;  !
; &nb!
sp; &n!
bsp; !
&nbs!
p; &nb!
sp; &!
nbsp;  !
; &nbs!
p; &n!
bsp; !
 !
; &nb!
sp; &!
nbsp; !
&nbs!
p; &n!
bsp; &!
nbsp;  !
; &nb!
sp; &n!
bsp; !
&nbs!
p; &nb!
sp; &!
nbsp;  !
; &nbs!
p; &n!
bsp; !
 !
; &nb!
sp; &!
nbsp; !
&nbs!
p; &n!
bsp; &!
nbsp;  !
; &nb!
sp; &n!
bsp; !
&nbs!
p; &nb!
sp; &!
nbsp;  !
; &nbs!
p; &n!
bsp; !
 !
; &nb!
sp; &!
nbsp; !
&nbs!
p; &n!
bsp; &!
nbsp;  !
; &nb!
sp; &n!
bsp; !
&nbs!
p; &nb!
sp; &!
nbsp;  !
; &nbs!
p; </p>
';
preg_replace("/(\ \;)+/", "", $s);
Expected result:
----------------
no Segmentation fault
Actual result:
--------------
Segmentation fault
------------------------------------------------------------------------
--
Edit this bug report at https://bugs.php.net/bug.php?id=69037&edit=1
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