[Bug 41733] New: wineconsole: crashes in emacs mode when pasting (Ctrl+Y) empty buffer

[wine-bugs at winehq.org]

https://bugs.winehq.org/show_bug.cgi?id=41733

            Bug ID: 41733
           Summary: wineconsole: crashes in emacs mode when pasting
                    (Ctrl+Y) empty buffer
           Product: Wine
           Version: 1.9.23
          Hardware: x86
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: tools
          Assignee: wine-bugs at winehq.org
          Reporter: jre.winesim at gmail.com
      Distribution: ---

Created attachment 56173
  --> https://bugs.winehq.org/attachment.cgi?id=56173
Backtrace of crash.

Originally reported as https://bugs.debian.org/844412.

wineconsole in emacs mode crashes when pressing "Ctrl" + "y" (paste buffer)
while the buffer is still empty.

This is reproducible if wineconsole is in emacs mode (changing to emacs mode
requires restart, see bug #41732).

In a fresh wineprefix:

$ wineconsole
Right-click -> Set defaults
Setup - Default settings -> Configuration
-> Choose Edition: Emacs
-> Restart wineconsole
-> "Ctrl" + "y"
-> Crash, see backtrace.txt.
wine: Unhandled page fault on read access to 0x00000000 at address 0x7b43a074
(thread 0059), starting debugger...

Once I copy something to the buffer it works as expected:
$ wineconsole
Z:\home\jens>foo
-> "Strg" + "w" cuts "foo"
-> "Strg" + "y" pastes "foo" as expected.

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