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mirror of https://gitlab.gnome.org/GNOME/libxml2.git synced 2025-03-20 18:50:08 +03:00
Nick Wellnhofer 477c7f6aff Fix quadratic runtime in HTML parser
Commit eeb99329 removed an important optimization avoiding quadratic
runtime when repeatedly scanning the input buffer for terminating
characters in the HTML push parser. The related bug is

    https://bugzilla.gnome.org/show_bug.cgi?id=444994

Make sure that ctxt->checkIndex is always written and store additional
parser state in ctxt->inSubset which is unused in the HTML parser.

Found by OSS-Fuzz.
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                  XML toolkit from the GNOME project

Full documentation is available on-line at
    http://xmlsoft.org/

This code is released under the MIT Licence see the Copyright file.

To build on an Unixised setup:
   ./configure ; make ; make install
   if the ./configure file does not exist, run ./autogen.sh instead.
To build on Windows:
   see instructions on win32/Readme.txt

To assert build quality:
   on an Unixised setup:
      run make tests
   otherwise:
       There is 3 standalone tools runtest.c runsuite.c testapi.c, which
       should compile as part of the build or as any application would.
       Launch them from this directory to get results, runtest checks 
       the proper functioning of libxml2 main APIs while testapi does
       a full coverage check. Report failures to the list.

To report bugs, follow the instructions at: 
  http://xmlsoft.org/bugs.html

A mailing-list xml@gnome.org is available, to subscribe:
    http://mail.gnome.org/mailman/listinfo/xml

The list archive is at:
    http://mail.gnome.org/archives/xml/

All technical answers asked privately will be automatically answered on
the list and archived for public access unless privacy is explicitly
required and justified.

Daniel Veillard

$Id$
Description
XML parser and toolkit
Readme 34 MiB
Languages
C 88.1%
HTML 5.8%
Python 3.6%
M4 0.5%
CMake 0.5%
Other 1.4%