[Bug 29646] Microsoft Wine Guide crashes after playing one video clip (app sends invalid string address to MCIWNDM_SENDSTRINGA)

[wine-bugs at winehq.org]

https://bugs.winehq.org/show_bug.cgi?id=29646

Bruno Jesus <00cpxxx at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|REOPENED                    |NEW
                 CC|                            |00cpxxx at gmail.com
            Summary|Microsoft Wine Guide        |Microsoft Wine Guide
                   |crashes after playing one   |crashes after playing one
                   |video clip                  |video clip (app sends
                   |                            |invalid string address to
                   |                            |MCIWNDM_SENDSTRINGA)

--- Comment #5 from Bruno Jesus <00cpxxx at gmail.com> ---
The main issue here is that the application sends an invalid address in the
SENDSTRING command, when the DLL tries to access it a crash happens.

trace:mci:MCIWndProc 0x10074 0465 00000000 12772fc6
trace:mci:MCIWndProc MCIWNDM_SENDSTRINGA (invalid)

The backtrace from comment 0 only shifted lines but it's identical to current
wine. The invalid address (0x12772fc6) is always the same.

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