[Bug 49556] filever.exe /v crashes when opening Metatrader 5's terminal64.exe
WineHQ Bugzilla
wine-bugs at winehq.org
Wed Dec 16 08:59:03 CST 2020
https://bugs.winehq.org/show_bug.cgi?id=49556
Alexandre Julliard <julliard at winehq.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |NOTOURBUG
Status|UNCONFIRMED |RESOLVED
Keywords|regression |
--- Comment #3 from Alexandre Julliard <julliard at winehq.org> ---
That's an app bug. Instead of using GetFileVersionInfoSizeA(), it hardcodes a
buffer size of 1.5 times the resource size for the version info. This is how it
used to work in NT4, but Wine is using the XP+ algorithm, which requires twice
the resource size.
This leads to heap corruption, which may or may not crash depending on the
allocation patterns. I expect that the same heap corruption happens on Windows
>= XP.
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