From 0f6284e4709cb2be7a89a50ee41bf9c83831aec5 Mon Sep 17 00:00:00 2001
From: "github-actions[bot]"
 <41898282+github-actions[bot]@users.noreply.github.com>
Date: Fri, 12 Aug 2022 11:58:50 -0700
Subject: [PATCH] Fix hang caused by calling Environment.FailFast on multiple
 threads (#72567)

Fixes #72565

Co-authored-by: Jan Kotas <jkotas@microsoft.com>
---
 src/coreclr/vm/eepolicy.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/coreclr/vm/eepolicy.cpp b/src/coreclr/vm/eepolicy.cpp
index b908456814407..d9e81754ca2a6 100644
--- a/src/coreclr/vm/eepolicy.cpp
+++ b/src/coreclr/vm/eepolicy.cpp
@@ -361,6 +361,7 @@ void LogInfoForFatalError(UINT exitCode, LPCWSTR pszMessage, LPCWSTR errorSource
     }
     else if (pPreviousThread != nullptr)
     {
+        GCX_PREEMP(); // Avoid blocking other threads that may be trying to suspend the runtime
         while (s_pCrashingThread != FatalErrorLoggingFinished)
         {
             ClrSleepEx(50, /*bAlertable*/ FALSE);