ntdll: Don't call possibly deadly DbgUiGetThreadDebugObject.

Signed-off-by: Rémi Bernon <rbernon@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

ntdll: Don't call possibly deadly DbgUiGetThreadDebugObject.
4d582411 · Rémi Bernon · Alexandre Julliard · 5590ea4a · 4d582411
Commit 4d582411 authored Mar 16, 2021 by Rémi Bernon Committed by Alexandre Julliard Mar 16, 2021
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loader.c dlls/ntdll/loader.c +2 -1

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--- a/dlls/ntdll/loader.c
+++ b/dlls/ntdll/loader.c
@@ -3215,7 +3215,8 @@ void WINAPI LdrShutdownThread(void)
    RtlReleasePebLock();
    RtlLeaveCriticalSection( &loader_section );
-    if (DbgUiGetThreadDebugObject()) NtClose( DbgUiGetThreadDebugObject() );
+    /* don't call DbgUiGetThreadDebugObject as some apps hook it and terminate if called */
+    if (NtCurrentTeb()->DbgSsReserved[1]) NtClose( NtCurrentTeb()->DbgSsReserved[1] );
    RtlFreeThreadActivationContextStack();
 }