From 027c2f0a31dbfa9a43dd89a8b176eaa650c8f8af Mon Sep 17 00:00:00 2001
From: Luca Errani <luca.errani1@gmail.com>
Date: Mon, 21 Nov 2022 12:30:42 +0100
Subject: [PATCH] fix: segmentation fault on canonicalize method

---
 source/packaging/manifest.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/source/packaging/manifest.cpp b/source/packaging/manifest.cpp
index 6bab2afe..48af8d0a 100644
--- a/source/packaging/manifest.cpp
+++ b/source/packaging/manifest.cpp
@@ -61,7 +61,11 @@ path manifest::canonicalize(const std::vector<xlnt::relationship> &rels) const
 
         if (component == "..")
         {
-            absolute_parts.pop_back();
+            if (absolute_parts.size() > 0)
+            {
+                absolute_parts.pop_back();
+            }
+
             continue;
         }