diff --git a/Source/Threading/Threads/AuOSThread.cpp b/Source/Threading/Threads/AuOSThread.cpp
index 29c21f3d..2a471b0d 100644
--- a/Source/Threading/Threads/AuOSThread.cpp
+++ b/Source/Threading/Threads/AuOSThread.cpp
@@ -309,6 +309,8 @@ namespace Aurora::Threading::Threads
 
     bool OSThread::Run()
     {
+        AU_DEBUG_MEMCRUNCH;
+
         if (!this->terminated_)
         {
             SysPanic("::Run called on system thread");
@@ -320,15 +322,16 @@ namespace Aurora::Threading::Threads
         }
 
         this->terminated_->Reset();
+        auto copy = this->info_.callbacks;
 
         return ExecuteNewOSContext([=]()
         {
             try
             {
                 // this functional backends are being deprecated
-                if (this->info_.callbacks)
+                if (copy)
                 {
-                    this->info_.callbacks->OnEntry(this);
+                    copy->OnEntry(this);
                 }
             }
             catch (...)
@@ -598,6 +601,8 @@ namespace Aurora::Threading::Threads
 
     void OSThread::_ThreadEP()
     {
+        AU_DEBUG_MEMCRUNCH;
+
         // Poke TLS reference thread entity
         // TODO: we need an internal OSThread *TryPokeTLSThread()
         auto osThread = static_cast<OSThread *>(GetThread());
@@ -629,6 +634,7 @@ namespace Aurora::Threading::Threads
             if (auto task = task_)
             {
                 this->epExecEvent->Set();
+                AU_DEBUG_REVERSE_MEMCRUNCH;
                 task();
             }
         }