[Bug 55635] New: mfreadwrite:mfplat - test_interfaces() crashes on Windows 7 & 8

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=55635

Bug ID: 55635
           Summary: mfreadwrite:mfplat - test_interfaces() crashes on
                    Windows 7 & 8
           Product: Wine
           Version: unspecified
          Hardware: x86-64
                OS: Windows
            Status: NEW
          Severity: normal
          Priority: P2
         Component: mfplat
          Assignee: [e-mail]
          Reporter: [e-mail]

mfreadwrite:mfplat - test_interfaces() crashes on Windows 7 & 8:

mfplat.c:1519: Test failed: Unexpected hr 0x800401f0.
mfplat.c:1519: this is the last test seen before the exception
09d0:mfplat: unhandled exception c0000005 at 009E731F

See https://test.winehq.org/data/patterns.html#mfreadwrite:mfplat

The crashes started on 2023-09-18 and happen in about 40% of the WineTest runs.
A bisect shows that they started with the commit below:

commit 07f50ee66b45b550b8e973f71e01640fb78ee0e0
Author:     Alistair Leslie-Hughes 
AuthorDate: Sat Sep 16 19:24:20 2023 +0200

mfreadwrite/reader: Update to IMFSourceReaderEx.

Signed-off-by: Nikolay Sivov