finish_write(): Don't use old integrity table if already overwritten

[wimlib] / src / write.c

diff --git a/src/write.c b/src/write.c
index 5bca038a61afd909b5d868391ed21ebf37d49a5c..9acdffac84a147694057f6b1212090352e7a27ec 100644 (file)
--- a/src/write.c
+++ b/src/write.c
@@ -2350,6 +2350,15 @@ finish_write(WIMStruct *wim, int image, int write_flags,
                if (!(write_flags & WIMLIB_WRITE_FLAG_REUSE_INTEGRITY_TABLE))
                        old_lookup_table_end = 0;
 
+               if (wim->hdr.integrity_table_reshdr.offset_in_wim <
+                   wim->hdr.xml_data_reshdr.offset_in_wim +
+                       wim->hdr.xml_data_reshdr.size_in_wim)
+               {
+                       /* Old integrity table was partially overwritten by the
+                        * XML data.  */
+                       old_lookup_table_end = 0;
+               }
+
                new_lookup_table_end = wim->hdr.lookup_table_reshdr.offset_in_wim +
                                       wim->hdr.lookup_table_reshdr.size_in_wim;