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Bug #24661 xmlCleanupParser called multiple times and causes crash
Submitted: 2003-07-15 05:16 UTC Modified: 2003-07-16 06:24 UTC
Votes:1
Avg. Score:5.0 ± 0.0
Reproduced:1 of 1 (100.0%)
Same Version:1 (100.0%)
Same OS:1 (100.0%)
From: wez@php.net Assigned:
Status: Not a bug Package: *XML functions
PHP Version: 5CVS-2003-07-15 (dev) OS: win32
Private report: No CVE-ID: None
View Developer Edit
 [2003-07-15 05:16 UTC] wez@php.net 
Description:
------------
dom, simplexml etc. all call xmlCleanupParser in their MSHUTDOWN functions and cause a crash.

Reproduce code:
---------------
Just run any simple script under the debugger to catch the exception - it doesn't even need to use xml related functions.

Expected result:
----------------
No crash ;)

Actual result:
--------------
Death

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 [2003-07-15 13:48 UTC] cw at centerwave dot de 
Could be the reason for #24634?
 [2003-07-15 13:51 UTC] rrichards@php.net 
You wouldn't happen to be using libxml2-2.5.8 would you?
 [2003-07-15 14:23 UTC] wez@php.net 
libxml2-2.5.7.win32, downloaded from xmlsoft site with dlls installed into C:\WINDOWS\SYSTEM32 under winxp pro.

Curiously, it only appears to be a visible problem when running under the debugger (cli SAPI).
 [2003-07-16 06:24 UTC] rrichards@php.net 
The problem is with libxml in the 2.5.7 and 2.5.8 releases. I submitted a fix, so it is fixed in the their cvs tree. PHP needs to be built with either a pre 2.5.7 version or a build from the latest cvs.

Note: libxml 2.5.7 built directly from the tar.gz file does not have the problem as the windows binary of libxml is built from cvs after some testing of the libxml release so contains updated code.
 
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