[Bug 45769] New: 0CC-FamiTracker etc. crashes after saving, due to AfxFormatString1(out=in)
wine-bugs at winehq.org
wine-bugs at winehq.org
Tue Sep 4 05:58:05 CDT 2018
https://bugs.winehq.org/show_bug.cgi?id=45769
Bug ID: 45769
Summary: 0CC-FamiTracker etc. crashes after saving, due to
AfxFormatString1(out=in)
Product: Wine
Version: 3.14
Hardware: x86-64
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: -unknown
Assignee: wine-bugs at winehq.org
Reporter: jimbo1qaz at gmail.com
Distribution: ---
0CC-FamiTracker 0.3.14.5 (http://hertzdevil.info/programs/0CCft_v0314r5.7z )
and my j0CC fork
(https://github.com/jimbo1qaz/j0CC-FamiTracker/releases/download/j0.6.0a/j0CC-Famitracker-j0.6.0a.exe
) crash after saving.
Confirmed on multiple machines including Ubuntu with 3.14 and 3.15, and a
Debian x64 VM with a .wine created under Debian version, and upgraded to 3.0.2.
Instructions:
- Open 0CC (and optionally open an existing file.
- Press Space (to enable editing) and mash the keyboard a bit to enter notes.
- Press Ctrl+S and specify a filename.
- Mash a few keys and press Ctrl+S a few times.
At this point 0CC will usually crash with an assertion error in CString, often
with a backtrace consisting of a single entry of 0x0. One time I got a
backtrace pointing to MFC UI code.
------------
I think this is a memory corruption issue arising from calling
`AfxFormatString1(text, IDS_FILE_SAVED, text);` with the same input and output
=
https://github.com/HertzDevil/0CC-FamiTracker/blob/v0.3.14.5/Source/FamiTrackerDoc.cpp#L701
But it doesn't crash on Windows. Is that a program bug or Wine bug?
- I think MFC is statically linked.
I thought it was a regression from some unknown earlier revision, but I
installed a Debian Stretch 64 VM, `apt-get install wine wine32`
(https://packages.debian.org/stretch/wine = 1.8.7-2), and `wine
0CC-FamiTracker.exe` experiences the same issue. Maybe the crash doesn't
manifest on Wine 32? IDK.
-----------
The code in question has been removed from 0CC, and I will be including a
workaround (don't call AfxFormatString1(out=in)) into j0CC soon.
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