[Bug 52447] New: Regression: .NET framework 2 installer hangs

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=52447

Bug ID: 52447
           Summary: Regression: .NET framework 2 installer hangs
           Product: Wine
           Version: 7.0
          Hardware: x86-64
                OS: FreeBSD
            Status: NEW
          Severity: normal
          Priority: P2
         Component: ntdll
          Assignee: [e-mail]
          Reporter: [e-mail]

Shortly after Wine 6.11:

winetricks dotnet20

hangs while installing System.Windows.Forms. A git bisect gives:

fed7e7a78b4bea183d0cbb107953e275f17baa4f is the first bad commit
commit fed7e7a78b4bea183d0cbb107953e275f17baa4f
Author: Alexandre Julliard 
Date:   Mon Jun 21 15:57:26 2021 +0200

ntdll: Simulate a syscall return when starting a thread.

Signed-off-by: Alexandre Julliard

dlls/ntdll/unix/server.c        |   2 +-
 dlls/ntdll/unix/signal_arm.c    |  65 ++++++++++---------------
 dlls/ntdll/unix/signal_arm64.c  |  70 +++++++++++----------------
 dlls/ntdll/unix/signal_i386.c   | 102 ++++++++++++++++++----------------------
 dlls/ntdll/unix/signal_x86_64.c |  91 +++++++++++++++--------------------
 dlls/ntdll/unix/thread.c        |   2 +-
 dlls/ntdll/unix/unix_private.h  |   2 +-
 7 files changed, 138 insertions(+), 196 deletions(-)