[Bug 2278] Reproducable crash when moving a slider control

[Wine Bugs]

http://bugs.winehq.org/show_bug.cgi?id=2278

------- Additional Comments From [e-mail]  2004-13-06 10:25 -------
Confirmed on CVS.

Backtrace:
=>0 0x409af490 (TRACKBAR_Paint+0x38(infoPtr=0x28, hdc=0x0) [trackbar.c:1484] in
COMCTL32.DLL) (ebp=406df9d8)
  1 0x409afa31 (TRACKBAR_WindowProc+0x1e5(hwnd=0x10028, uMsg=0xf, wParam=0x0,
lParam=0x0) [trackbar.c:1789] in COMCTL32.DLL) (ebp=406dfa0c)
  2 0x407f51a3 (WINPROC_wrapper+0x17 in USER32.DLL) (ebp=406dfa30)
  3 0x407f5200 (WINPROC_CallWndProc+0x54(proc=0x409af84c, hwnd=0x10028, msg=0xf,
wParam=0x0, lParam=0x0) [winproc.c:230] in USER32.DLL) (ebp=406dfa5c)
  4 0x407fa7b6 (CallWindowProcW+0xd6(func=0x409af84c, hwnd=0x10028, msg=0xf,
wParam=0x0, lParam=0x0) [winproc.c:3144] in USER32.DLL) (ebp=406dfa90)
  5 0x40809d22 (call_window_proc+0xae(hwnd=0x10028, msg=0xf, wparam=0x0,
lparam=0x0, unicode=0x1, same_thread=0x1) [message.c:1456] in USER32.DLL)
(ebp=406dfaec)
  6 0x4080aa47 (SendMessageTimeoutW+0x10b(hwnd=0x10028, msg=0xf, wparam=0x0,
lparam=0x0, flags=0x0, timeout=0xffffffff, res_ptr=0x406dfb74) [message.c:1920]
in USER32.DLL) (ebp=406dfb50)
  7 0x4080ac71 (SendMessageW+0x31(hwnd=0x10028, msg=0xf, wparam=0x0, lparam=0x0)
[message.c:2001] in USER32.DLL) (ebp=406dfb7c)
  8 0x407e33f9 (RDW_Paint+0x7d(wndPtr=0x40202910, hrgn=0x0, flags=0x180, ex=0x0)
[painting.c:654] in USER32.DLL) (ebp=406dfbb0)
  9 0x407e3a8b (RedrawWindow+0x18b(hwnd=0x10028, rectUpdate=0x0, hrgnUpdate=0x0,
flags=0x180) [painting.c:891] in USER32.DLL) (ebp=406dfc1c)
  10 0x407e3d89 (UpdateWindow+0x21(hwnd=0x10028) [painting.c:907] in USER32.DLL)
(ebp=406dfc38)
  11 0x409af628 (TRACKBAR_MouseMove+0xb8(infoPtr=0x40202a28, fwKeys=0x1,
pts=0xf009d) [trackbar.c:1556] in COMCTL32.DLL) (ebp=406dfc60)
  12 0x409afcdc (TRACKBAR_WindowProc+0x490(hwnd=0x10028, uMsg=0x200, wParam=0x1,
lParam=0xf009d) [trackbar.c:1786] in COMCTL32.DLL) (ebp=406dfc98)
  13 0x407f51a3 (WINPROC_wrapper+0x17 in USER32.DLL) (ebp=406dfcbc)
  14 0x407f5200 (WINPROC_CallWndProc+0x54(proc=0x409af84c, hwnd=0x10028,
msg=0x200, wParam=0x1, lParam=0xf009d) [winproc.c:230] in USER32.DLL) (ebp=406dfce8)
  15 0x407fa7b6 (CallWindowProcW+0xd6(func=0x408694f8, hwnd=0x10028, msg=0x200,
wParam=0x1, lParam=0xf009d) [winproc.c:3144] in USER32.DLL) (ebp=406dfd1c)
  16 0x407ded92 (DispatchMessageW+0x96(msg=0x406dfda0) [message.c:891] in
USER32.DLL) (ebp=406dfd60)
  17 0x407d6a46 (.L381+0x10 [dialog.c] in USER32.DLL) (ebp=406dfd88)
  18 0x4080b71d (IsDialogMessageA+0x3d(hwndDlg=0x10024, pmsg=0x406dfdec)
[message.c:2403] in USER32.DLL) (ebp=406dfdcc)
  19 0x00402f91 (FilterTest.exe..text+0x1f91 in FilterTest.exe) (ebp=407deb20)
  20 0xec835356 (_end+0x74932e22) (ebp=57e58955)

Something managed to screw up infoPtr. If I get time, I'll investigate more.