From bad8c4b0c58acbc92545b0da8a8bdbeca404ea77 Mon Sep 17 00:00:00 2001
From: alan <alan-shaffer@users.noreply.github.com>
Date: Tue, 13 Nov 2018 07:40:46 -0500
Subject: [PATCH] [Kernel] Don't dereference null pointers in SetThreadName.

---
 src/xenia/kernel/xboxkrnl/xboxkrnl_debug.cc | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/xenia/kernel/xboxkrnl/xboxkrnl_debug.cc b/src/xenia/kernel/xboxkrnl/xboxkrnl_debug.cc
index 45510bac2..51878814c 100644
--- a/src/xenia/kernel/xboxkrnl/xboxkrnl_debug.cc
+++ b/src/xenia/kernel/xboxkrnl/xboxkrnl_debug.cc
@@ -42,6 +42,12 @@ void RtlRaiseException(pointer_t<X_EXCEPTION_RECORD> record) {
         reinterpret_cast<X_THREADNAME_INFO*>(&record->exception_information[0]);
 
     assert_true(thread_info->type == 0x1000);
+
+    if (!thread_info->name_ptr) {
+      XELOGD("SetThreadName called with null name_ptr");
+      return;
+    }
+
     auto name =
         kernel_memory()->TranslateVirtual<const char*>(thread_info->name_ptr);