bug#24614: 25.1.50; Exception after moving mouse over over a different window

[Alain Schneble <a.s@realize.ch>]

Eli Zaretskii <eliz@gnu.org> writes:

>> From: Alain Schneble <a.s@realize.ch>
>> Date: Tue, 4 Oct 2016 16:53:14 +0200
>> 
>> I was working in an emacs-lisp-mode buffer displayed in a window of a
>> frame divided into 4 windows.  After moving the mouse over another
>> window showing an org-mode buffer, Emacs crashed.
>
> Looks like some stack issue, or maybe an exception in a non-main
> thread:

FWIW, I attached the backtrace of Thread 2 below.

Alain


17 Thread 66296.0x12eac stopped in ntdll!RtlAllocateHeap () of C:\WINDOWS\SYSTEM32\ntdll.dll
15 Thread 66296.0x10538 stopped in ntdll!ZwAlpcQueryInformation () of C:\WINDOWS\SYSTEM32\ntdll.dll
14 Thread 66296.0x12f80 stopped in ntdll!RtlUserThreadStart () of C:\WINDOWS\SYSTEM32\ntdll.dll
13 Thread 66296.0x11a54 stopped in ntdll!RtlUserThreadStart () of C:\WINDOWS\SYSTEM32\ntdll.dll
12 Thread 66296.0xd430 stopped in ntdll!RtlUserThreadStart () of C:\WINDOWS\SYSTEM32\ntdll.dll
11 Thread 66296.0x85dc stopped in ntdll!RtlUserThreadStart () of C:\WINDOWS\SYSTEM32\ntdll.dll
10 Thread 66296.0x49dc stopped in ntdll!RtlUserThreadStart () of C:\WINDOWS\SYSTEM32\ntdll.dll
9  Thread 66296.0x1115c stopped in ntdll!RtlUserThreadStart () of C:\WINDOWS\SYSTEM32\ntdll.dll
8  Thread 66296.0x1147c stopped in ntdll!RtlUserThreadStart () of C:\WINDOWS\SYSTEM32\ntdll.dll
7  Thread 66296.0x25a4 stopped in ntdll!RtlUserThreadStart () of C:\WINDOWS\SYSTEM32\ntdll.dll
6  Thread 66296.0xec50 stopped in ntdll!RtlUserThreadStart () of C:\WINDOWS\SYSTEM32\ntdll.dll
5  Thread 66296.0xaa50 stopped in ntdll!RtlUserThreadStart () of C:\WINDOWS\SYSTEM32\ntdll.dll
4  Thread 66296.0x11ac0 stopped in ntdll!ZwWaitForWorkViaWorkerFactory () of C:\WINDOWS\SYSTEM32\ntdll.dll
3  Thread 66296.0x10e18 stopped in ntdll!RtlUserThreadStart () of C:\WINDOWS\SYSTEM32\ntdll.dll
2  Thread 66296.0x11828 stopped in w32_wnd_proc (hwnd=<optimized out>,msg=<optimized out>,wParam=<optimized out>,lParam=<optimized out>) of w32fns.c:4613
1  Thread 66296.0xfb44 stopped in msvcrt!_initterm_e () of C:\WINDOWS\system32\msvcrt.dll

#0  0x0000000400174f47 in w32_wnd_proc (hwnd=<optimized out>, msg=<optimized out>, wParam=<optimized out>, lParam=<optimized out>) at w32fns.c:4613
        wmsg = {
          msg = {
            hwnd = 0x0, 
            message = 1457534076, 
            wParam = 512, 
            lParam = 0, 
            time = 1526048, 
            pt = {
              x = 4, 
              y = 33490634
            }
          }, 
          dwModifiers = 24731424, 
          rect = {
            left = 0, 
            top = 1626277, 
            right = 4, 
            bottom = 0
          }
        }
        windows_translate = <optimized out>
        key = <optimized out>
#1  0x00007ff859b51169 in USER32!DispatchMessageW () from C:\WINDOWS\system32\user32.dll
No symbol table info available.
#2  0x00007ff859b50ee2 in USER32!DispatchMessageW () from C:\WINDOWS\system32\user32.dll
No symbol table info available.
#3  0x00007ff859b60bee in USER32!GetMenuItemInfoW () from C:\WINDOWS\system32\user32.dll
No symbol table info available.
#4  0x00007ff85a6f8ba4 in ntdll!KiUserCallbackDispatcher () from C:\WINDOWS\SYSTEM32\ntdll.dll
No symbol table info available.
#5  0x00007ff859b721d4 in USER32!InvalidateRect () from C:\WINDOWS\system32\user32.dll
No symbol table info available.
#6  0x00007ff859b63075 in USER32!GetMessageW () from C:\WINDOWS\system32\user32.dll
No symbol table info available.
#7  0x0000000400174356 in w32_msg_pump (msg_buf=<optimized out>) at w32fns.c:2537
        msg = {
          hwnd = 0x1342bc6, 
          message = 275, 
          wParam = 1334030225, 
          lParam = 0, 
          time = 3891583468, 
          pt = {
            x = 2263, 
            y = 299
          }
        }
        focus_window = <optimized out>
#8  0x0000000400174900 in w32_msg_worker (arg=<optimized out>) at w32fns.c:2758
        msg = {
          hwnd = 0x0, 
          message = 0, 
          wParam = 0, 
          lParam = 0, 
          time = 0, 
          pt = {
            x = 0, 
            y = 0
          }
        }
        dummy_buf = {
          next = 0x0, 
          w32msg = {
            msg = {
              hwnd = 0x0, 
              message = 0, 
              wParam = 0, 
              lParam = 0, 
              time = 0, 
              pt = {
                x = 0, 
                y = 0
              }
            }, 
            dwModifiers = 0, 
            rect = {
              left = 0, 
              top = 0, 
              right = 0, 
              bottom = 0
            }
          }, 
          result = 0, 
          completed = 0
        }
#9  0x00007ff859aa8102 in KERNEL32!BaseThreadInitThunk () from C:\WINDOWS\system32\kernel32.dll
No symbol table info available.
#10 0x00007ff85a6ac5b4 in ntdll!RtlUserThreadStart () from C:\WINDOWS\SYSTEM32\ntdll.dll
No symbol table info available.
#11 0x0000000000000000 in ?? ()
No symbol table info available.
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Lisp Backtrace:
"redisplay_internal (C function)" (0x0)