[Bug 3582] Moray 3.5 page fault in PE after call to CallWindowProcA

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=3582





--- Comment #10 from Henry <nospam at thenerdshow.com>  2008-04-29 00:19:52 ---
Moray 3.5 is probably crashing due to the program hard-coding addresses it
expects on Windows. In other words, it's not getting the expected pointer
address or HWND from wine's winproc and so it tries to access the wrong memory
for creating a window and gets a null pointer exception; it could be an
application bug, not a wine bug.

Winproc is in wine-source/dlls/user32/winproc.c and that might be a good place
to start. wine prior to version 0.9.15 would let you run native user32 (and I
believe now that is what I was doing) and then Moray would work (sometimes).
Whether or not  it would work would depend on where it was loaded (virtual
memory layout) since the address changes under linux. The (now old and clunky)
workaround was to have wine<0.9.15 users disable exec-shield and selinux. The
new wine does not require you to do this. On the other hand, you cannot use
native user32 anymore.

At least this is my estimation of the problem based on what I have read on the
web.

Some related discussion about wine Winproc
http://www.winehq.org/pipermail/wine-patches/2001-July/000768.html


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