From: Martin Kronbichler <martin.kronbichler@it.uu.se>
Date: Mon, 29 Nov 2021 14:12:20 +0000 (+0100)
Subject: Avoid dereferencing a past-the-end iterator
X-Git-Tag: v9.4.0-rc1~790^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F13004%2Fhead;p=dealii.git

Avoid dereferencing a past-the-end iterator
---

diff --git a/include/deal.II/base/utilities.h b/include/deal.II/base/utilities.h
index 9990ecbd03..255b700959 100644
--- a/include/deal.II/base/utilities.h
+++ b/include/deal.II/base/utilities.h
@@ -1307,7 +1307,7 @@ namespace Utilities
 #else
         (void)allow_compression;
 #endif
-        fisb.push(boost::iostreams::array_source(&*cbegin, &*cend));
+        fisb.push(boost::iostreams::array_source(&*cbegin, cend - cbegin));
 
         boost::archive::binary_iarchive bia(fisb);
         bia >> object;
@@ -1355,7 +1355,7 @@ namespace Utilities
 #else
         (void)allow_compression;
 #endif
-        fisb.push(boost::iostreams::array_source(&*cbegin, &*cend));
+        fisb.push(boost::iostreams::array_source(&*cbegin, cend - cbegin));
 
         boost::archive::binary_iarchive bia(fisb);
         bia >> unpacked_object;