[Bug 55696] New: msvfw32:mciwnd - The 64-bit test_MCIWndCreate() crashes in Wine

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=55696

Bug ID: 55696
           Summary: msvfw32:mciwnd - The 64-bit test_MCIWndCreate()
                    crashes in Wine
           Product: Wine
           Version: unspecified
          Hardware: x86-64
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: msvfw32
          Assignee: [e-mail]
          Reporter: [e-mail]
      Distribution: ---

msvfw32:mciwnd - The 64-bit test_MCIWndCreate() crashes in Wine:

mciwnd.c:276: Test failed: bad open message 4 0
Unhandled exception: page fault on read access to 0x00000000fe9e0cec in 64-bit
code (0x000002cc593dcd).
[...]
Backtrace:
=>0 0x000002cc593dcd MCIWndProc+0xaed(hWnd=00000000037B01F4, wMsg=0x480,
wParam=0xc8, lParam=0x7ffffe2ff650)
[/builds/wine/wine/build64/../dlls/msvfw32/mciwnd.c:960] in msvfw32
(0x00000000000480)
  1 0x00000216a27f9b call_window_proc+0x4b(hwnd=00000000037B01F4, msg=0x480,
wp=0xc8, lp=0x7ffffe2ff650, result=00007FFFFE2FF4A8, arg=0000000140001DC0)
[/builds/wine/wine/build64/../dlls/user32/winproc.c:109] in user32
(0x007ffffe2ff650)
  2 0x00000216a290fc WINPROC_CallProcAtoW+0xdc(callback=0000000216A27F50,
hwnd=00000000037B01F4, msg=0x480, wParam=<is not available>,
lParam=0x7ffffe2ff650, result=00007FFFFE2FF4A8, arg=0000000140001DC0,
mapping=WMCHAR_MAP_SENDMESSAGE)
[/builds/wine/wine/build64/../dlls/user32/winproc.c:323] in user32
(0x00000000000480)
  3 0x00000216a29f96 dispatch_win_proc_params+0xe6(params=00007FFFFE2FF570)
[/builds/wine/wine/build64/../dlls/user32/winproc.c:720] in user32
(0000000000000000)
  4 0x00000216a1113d dispatch_send_message+0x5d(params=00007FFFFE2FF570,
wparam=<internal error>, lparam=<internal error>)
[/builds/wine/wine/build64/../dlls/user32/message.c:594] in user32
(0000000000000000)
  5 0x00000216a12ce1 SendMessageA+0x71(hwnd=00000000037B01F4, msg=<is not
available>, wparam=<is not available>, lparam=0x7ffffe2ff650)
[/builds/wine/wine/build64/../dlls/user32/message.c:635] in user32
(0x007ffffe2ff570)
  6 0x000001400027e0 in msvfw32_test (+0x27e0) (0x0000014000b396)

See https://test.winehq.org/data/patterns.html#msvfw32:mciwnd

A bisect shows that the crashes started with the commit below:

commit a81c53504ae32715e6e91bd020fdebd5bef20d48
Author:     Alexandre Julliard 
AuthorDate: Thu Sep 28 16:30:32 2023 +0200

ntdll: Release the low address space reservation for 64-bit apps.