From 8b6d548b55bcfa207c7f4c8bcc18db06ba0e4ab0 Mon Sep 17 00:00:00 2001
From: Andreas Kling <kling@serenityos.org>
Date: Sat, 29 Feb 2020 21:36:00 +0100
Subject: [PATCH] Kernel: Disable interrupts throughout Thread::raw_backtrace()

Otherwise we may hit an assertion when validating stack addresses.
---
 Kernel/Thread.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Kernel/Thread.cpp b/Kernel/Thread.cpp
index 87412c557f..902934cf54 100644
--- a/Kernel/Thread.cpp
+++ b/Kernel/Thread.cpp
@@ -816,6 +816,7 @@ String Thread::backtrace_impl() const
 
 Vector<uintptr_t> Thread::raw_backtrace(uintptr_t ebp) const
 {
+    InterruptDisabler disabler;
     auto& process = const_cast<Process&>(this->process());
     ProcessPagingScope paging_scope(process);
     Vector<uintptr_t, Profiling::max_stack_frame_count> backtrace;