New subject: [Bug 53789] charmap.exe from ReactOS leads to heap corruption under Wine

13 Oct 2022


      https://bugs.winehq.org/show_bug.cgi?id=53789
Bug ID: 53789
           Summary: charmap.exe from ReactOS leads to heap corruption
                    under Wine
           Product: Wine
           Version: 7.18
          Hardware: x86-64
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: gdi32
          Assignee: wine-bugs@winehq.org
          Reporter: dark.shadow4@web.de
      Distribution: ---
Created attachment 73279
  --> https://bugs.winehq.org/attachment.cgi?id=73279
charmap file to reproduce
Just for the record.
This crash happens with certain fonts only, I used the Fixedsys font
(https://aur.archlinux.org/packages/ttf-fixedsys-excelsior-linux)
Attaching files to reproduce, from ROS commit
9cc9a26392ea4cc246284af61185db01f8212ca9.
Problem is this line:
https://gitlab.winehq.org/wine/wine/-/blob/wine-7.18/dlls/gdi32/uniscribe/sh...
where the index is < 0
Merge request (WIP): https://gitlab.winehq.org/wine/wine/-/merge_requests/1054
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[Bug 53789] New: charmap.exe from ReactOS leads to heap corruption under Wine