From 373fc80fa468d142e319a41354e46ae0d938d85e Mon Sep 17 00:00:00 2001
From: Gabriel Ionita <d9rect@pm.me>
Date: Mon, 27 Oct 2025 19:50:00 +0100
Subject: [PATCH] add integer type validation

---
 src/symbol.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/symbol.cpp b/src/symbol.cpp
index 52715d8..e1f19fd 100644
--- a/src/symbol.cpp
+++ b/src/symbol.cpp
@@ -261,6 +261,14 @@ std::optional<VarInfo> Symbol::find_global_var(Dwarf_Debug dbg, const std::strin
 
         if (dwarf_diename(child_die, &name, &err) == DW_DLV_OK && name) {
           if (var_name == name) {
+            // Check if this is an integer type
+            if (!is_integer_type(dbg, child_die)) {
+              dwarf_dealloc(dbg, name, DW_DLA_STRING);
+              dwarf_dealloc(dbg, child_die, DW_DLA_DIE);
+              dwarf_dealloc(dbg, cu_die, DW_DLA_DIE);
+              return std::nullopt;
+            }
+
             Dwarf_Addr addr = get_global_var_addr(dbg, child_die);
             size_t size = get_var_size(dbg, child_die);