[Bug 32725] New: VC runtime functions crash when called from reloaded library in a thread

http://bugs.winehq.org/show_bug.cgi?id=32725

Bug #: 32725
           Summary: VC runtime functions crash when called from reloaded
                    library in a thread
           Product: Wine
           Version: 1.3.24
          Platform: x86
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: msvcrt
        AssignedTo: [e-mail]
        ReportedBy: [e-mail]
    Classification: Unclassified

Created attachment 43181
  --> http://bugs.winehq.org/attachment.cgi?id=43181
msvcrt-dll-problem.zip

Assume WHAT.DLL is a windows DLL with static MSVCRT linkage. If WHAT.DLL is
unloaded and reloaded, it's C runtime functions like std::cout can crash when
called from a thread.

According to Piotr Caban (piotr dot caban at gmail dot com) "The crash is
caused by incomplete FlsFree implementation. There's a comment in it's code
that says what needs to be added:
/* FIXME: add equivalent of ThreadZeroTlsCell here */"

The crash is repeatable with the attached example winelib program (captain.exe)
and windows DLL (what.dll). Code for the compiled what.dll is included. An
included README file describes the contents. 'make test' demonstrates the
problem.

[Bug 32725] VC runtime functions crash when called from reloaded library in a thread

http://bugs.winehq.org/show_bug.cgi?id=32725

Michael Ost  changed:

What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |[e-mail]

[Bug 32725] VC runtime functions crash when called from reloaded library in a thread

http://bugs.winehq.org/show_bug.cgi?id=32725

--- Comment #1 from Michael Ost  2013-01-15 13:39:01 CST ---
The crash does not happen in windows.

[Bug 32725] VC runtime functions crash when called from reloaded library in a thread

http://bugs.winehq.org/show_bug.cgi?id=32725

Piotr Caban  changed:

What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |[e-mail]
          Component|msvcrt                      |kernel32

[Bug 32725] VC runtime functions crash when called from reloaded library in a thread

http://bugs.winehq.org/show_bug.cgi?id=32725

Simon  changed:

What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |[e-mail]

[Bug 32725] VC runtime functions crash when called from reloaded library in a thread

https://bugs.winehq.org/show_bug.cgi?id=32725

Austin English  changed:

What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |download, source, testcase

[Bug 32725] VC runtime functions crash when called from reloaded library in a thread

https://bugs.winehq.org/show_bug.cgi?id=32725

[e-mail] changed:

What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |[e-mail]

--- Comment #2 from [e-mail] ---
Still crashes 1.7.53

[Bug 32725] VC runtime functions crash when called from reloaded library in a thread

https://bugs.winehq.org/show_bug.cgi?id=32725

[e-mail] changed:

What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |[e-mail]

--- Comment #3 from [e-mail] ---
(In reply to super_man from comment #2)
> Still crashes 1.7.53

Still crashing wine 1.9.16-git and staging 1.9.16

[Bug 32725] VC runtime functions crash when called from reloaded library in a thread

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=32725

--- Comment #4 from Gijs Vermeulen  ---
Running the provided captain.exe seems to work with wine-6.7, could you
confirm?