From 79121ecceaa3b9763596772e7140b89272b11681 Mon Sep 17 00:00:00 2001
From: Jeffrey Morlan <mrnobo1024@yahoo.com>
Date: Tue, 4 May 2010 23:17:30 +0000
Subject: [PATCH] [NTOSKRNL] In kdbg 'thread list', don't try to read from the
 kernel stack if there isn't one. (Bug 5318)

svn path=/trunk/; revision=47102
---
 reactos/ntoskrnl/kdbg/kdb_cli.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/reactos/ntoskrnl/kdbg/kdb_cli.c b/reactos/ntoskrnl/kdbg/kdb_cli.c
index 4c469fd3721..5583ecec639 100644
--- a/reactos/ntoskrnl/kdbg/kdb_cli.c
+++ b/reactos/ntoskrnl/kdbg/kdb_cli.c
@@ -1223,7 +1223,13 @@ KdbpCmdThread(
                 str2 = "";
             }
 
-            if (Thread->Tcb.TrapFrame)
+            if (!Thread->Tcb.InitialStack)
+            {
+                /* Thread has no kernel stack (probably terminated) */
+                Esp = Ebp = NULL;
+                Eip = 0;
+            }
+            else if (Thread->Tcb.TrapFrame)
             {
                 if (Thread->Tcb.TrapFrame->PreviousPreviousMode == KernelMode)
                     Esp = (PULONG)Thread->Tcb.TrapFrame->TempEsp;