From dccfff8c19003d3539f238fdd2f112bf5b32c242 Mon Sep 17 00:00:00 2001
From: Andreas Kling <kling@serenityos.org>
Date: Sat, 11 Apr 2020 23:15:33 +0200
Subject: [PATCH] ProfileViewer: Don't crash when we can't disassemble
 something

---
 DevTools/ProfileViewer/DisassemblyModel.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/DevTools/ProfileViewer/DisassemblyModel.cpp b/DevTools/ProfileViewer/DisassemblyModel.cpp
index 37939976ce..52f6552a73 100644
--- a/DevTools/ProfileViewer/DisassemblyModel.cpp
+++ b/DevTools/ProfileViewer/DisassemblyModel.cpp
@@ -55,9 +55,15 @@ DisassemblyModel::DisassemblyModel(Profile& profile, ProfileNode& node)
     , m_node(node)
 {
     m_file = make<MappedFile>(profile.executable_path());
+
+    if (!m_file->is_valid())
+        return;
+
     auto elf_loader = make<ELF::Loader>((const u8*)m_file->data(), m_file->size());
 
     auto symbol = elf_loader->find_symbol(node.address());
+    if (!symbol.has_value())
+        return;
     ASSERT(symbol.has_value());
 
     auto view = symbol.value().raw_data();