From 24935f654f6df700a9a062298258b9485f584502 Mon Sep 17 00:00:00 2001
From: Romain Thomas <me@romainthomas.fr>
Date: Mon, 12 Sep 2022 07:10:18 +0200
Subject: [PATCH] Fix #784

---
 src/MachO/Binary.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/MachO/Binary.cpp b/src/MachO/Binary.cpp
index 95f35bb27a..f0504ef448 100644
--- a/src/MachO/Binary.cpp
+++ b/src/MachO/Binary.cpp
@@ -540,7 +540,7 @@ const SegmentCommand* Binary::segment_from_offset(uint64_t offset) const {
   }
 
   auto it = offset_seg_.lower_bound(offset);
-  if (it->first == offset || it == it_begin) {
+  if (it != std::end(offset_seg_) && (it->first == offset || it == it_begin)) {
     SegmentCommand* seg = it->second;
     if (seg->file_offset() <= offset && offset < (seg->file_offset() + seg->file_size())) {
       return seg;