diff --git a/ntoskrnl/include/internal/cm.h b/ntoskrnl/include/internal/cm.h
index a211862531c..38c61513c7e 100644
--- a/ntoskrnl/include/internal/cm.h
+++ b/ntoskrnl/include/internal/cm.h
@@ -160,6 +160,9 @@ typedef struct _CM_KEY_HASH_TABLE_ENTRY
     EX_PUSH_LOCK Lock;
     PKTHREAD Owner;
     PCM_KEY_HASH Entry;
+#if DBG
+    PVOID LockBackTrace[5];
+#endif
 } CM_KEY_HASH_TABLE_ENTRY, *PCM_KEY_HASH_TABLE_ENTRY;
 
 //
diff --git a/ntoskrnl/include/internal/cm_x.h b/ntoskrnl/include/internal/cm_x.h
index 5e7dffd2872..82a0fc8992f 100644
--- a/ntoskrnl/include/internal/cm_x.h
+++ b/ntoskrnl/include/internal/cm_x.h
@@ -6,6 +6,19 @@
 * PROGRAMMERS:     Alex Ionescu (alex.ionescu@reactos.org)
 */
 
+#if DBG
+FORCEINLINE
+VOID
+CmpCaptureLockBackTraceByIndex(_In_ ULONG Index)
+{
+    /* Capture the backtrace */
+    RtlCaptureStackBackTrace(1,
+                             _countof(CmpCacheTable[Index].LockBackTrace),
+                             CmpCacheTable[Index].LockBackTrace,
+                             NULL);
+}
+#endif
+
 //
 // Returns the hashkey corresponding to a convkey
 //
@@ -104,8 +117,12 @@ FORCEINLINE
 VOID
 CmpAcquireKcbLockExclusiveByIndex(ULONG Index)
 {
+    ASSERT(CmpCacheTable[Index].Owner != KeGetCurrentThread());
     ExAcquirePushLockExclusive(&CmpCacheTable[Index].Lock);
     CmpCacheTable[Index].Owner = KeGetCurrentThread();
+#if DBG
+    CmpCaptureLockBackTraceByIndex(Index);
+#endif
 }
 
 //