From 94df6059f4d47caa99440b7f3d98be5a3b7d82d2 Mon Sep 17 00:00:00 2001
From: Mike McLaughlin <mikem@microsoft.com>
Date: Tue, 3 Dec 2024 14:01:56 -0800
Subject: [PATCH] Fix recursion issue found in 109779

---
 src/coreclr/pal/src/thread/process.cpp | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/coreclr/pal/src/thread/process.cpp b/src/coreclr/pal/src/thread/process.cpp
index 2e22f22b5ae6e1..a2239e8b8281b3 100644
--- a/src/coreclr/pal/src/thread/process.cpp
+++ b/src/coreclr/pal/src/thread/process.cpp
@@ -2228,8 +2228,11 @@ PROCCreateCrashDump(
         size_t previousThreadId = InterlockedCompareExchange(&g_crashingThreadId, currentThreadId, 0);
         if (previousThreadId != 0)
         {
-            // Should never reenter or recurse
-            _ASSERTE(previousThreadId != currentThreadId);
+            // Return error if reenter this code
+            if (previousThreadId == currentThreadId)
+            {
+                return false;
+            }
 
             // The first thread generates the crash info and any other threads are blocked
             while (true)