[Bug 43805] New: Regedit.exe crashes when exporting certain registry keys e.g. " HKLM\Software\Classes\steam"

https://bugs.winehq.org/show_bug.cgi?id=43805

            Bug ID: 43805
           Summary: Regedit.exe crashes when exporting certain registry
                    keys e.g. "HKLM\Software\Classes\steam"
           Product: Wine
           Version: 2.13
          Hardware: x86
               URL: https://steamcdn-a.akamaihd.net/client/installer/Steam
                    Setup.exe
                OS: Linux
            Status: NEW
          Keywords: download, regression
          Severity: normal
          Priority: P2
         Component: programs
          Assignee: wine-bugs(a)winehq.org
          Reporter: gyebro69(a)gmail.com
                CC: hugh.mcmaster(a)outlook.com
   Regression SHA1: 37b5607ff6fbb8818f439a10b9370805e16b8fb1
      Distribution: ---

Created attachment 59341
  --> https://bugs.winehq.org/attachment.cgi?id=59341
regedit crash log

To reproduce the crash:
1. Install the Steam client but don't launch it (you don't need to have a Steam
account to reproduce the bug).
2. When installation is finished run 'wine regedit' and try to export either
'HKCU/Software/Classes/steam' or HKLM/Software/Classes/steam' and see
regedit.exe crashing.

The crash was introduced by

commit 37b5607ff6fbb8818f439a10b9370805e16b8fb1
Author: Hugh McMaster <hugh.mcmaster(a)outlook.com>
Date:   Wed Jul 19 05:29:05 2017 +0000

    regedit: Export REG_SZ data via the export_data() function.

Arch Linux (64-bit)
Wine 2.18 (32-bit and 64-bit)

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[Bug 43805] Regedit.exe crashes when exporting certain registry keys e.g. "HKLM\Software\Classes\steam"

https://bugs.winehq.org/show_bug.cgi?id=43805

--- Comment #1 from Béla Gyebrószki <gyebro69(a)gmail.com> ---
Created attachment 59342
  --> https://bugs.winehq.org/attachment.cgi?id=59342
Empires:Dawn of the Modern World registry key (regedit4 format)

Another example to reproduce the bug. In the attachment there is an exported
registry key used by the game Empires: Dawn of the Modern World (GOG.com).
Exporting this specific key also crashes regedit.

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[Bug 43805] Regedit.exe crashes when exporting certain registry keys e.g. "HKLM\Software\Classes\steam"

https://bugs.winehq.org/show_bug.cgi?id=43805

Fabian Maurer <dark.shadow4(a)web.de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |dark.shadow4(a)web.de

--- Comment #2 from Fabian Maurer <dark.shadow4(a)web.de> ---
Sent in a patch to fix this issue:
https://source.winehq.org/patches/data/137467

For completeness, can you confirm it fixes the issue for you?

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[Bug 43805] Regedit.exe crashes when exporting certain registry keys e.g. "HKLM\Software\Classes\steam"

https://bugs.winehq.org/show_bug.cgi?id=43805

--- Comment #3 from Béla Gyebrószki <gyebro69(a)gmail.com> ---
(In reply to Fabian Maurer from comment #2)
> Sent in a patch to fix this issue:
> https://source.winehq.org/patches/data/137467
>
> For completeness, can you confirm it fixes the issue for you?

Thanks, the patch indeed fixes the crash here as well.

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[Bug 43805] Regedit.exe crashes when exporting certain registry keys e.g. "HKLM\Software\Classes\steam"

https://bugs.winehq.org/show_bug.cgi?id=43805

Fabian Maurer <dark.shadow4(a)web.de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
      Fixed by SHA1|                            |8e9a469e9c24ee3aa05e8fe5b4a
                   |                            |728295bb79e8b
         Resolution|---                         |FIXED

--- Comment #4 from Fabian Maurer <dark.shadow4(a)web.de> ---
Fixed as of 8e9a469e9c24ee3aa05e8fe5b4a728295bb79e8b.

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[Bug 43805] Regedit.exe crashes when exporting certain registry keys e.g. "HKLM\Software\Classes\steam"

https://bugs.winehq.org/show_bug.cgi?id=43805

Alexandre Julliard <julliard(a)winehq.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |CLOSED

--- Comment #5 from Alexandre Julliard <julliard(a)winehq.org> ---
Closing bugs fixed in 2.19.

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