Prevent a crash when working with MN10300 ELF file

elfio/elfio_dump.hpp

@@ -686,10 +686,11 @@ class dump
                         void*       desc;
                         Elf_Word    descsz;
                     
-                        notes.get_note( j, type, name, desc, descsz );
-                        // 'name' usually contains \0 at the end. Try to fix it
-                        name = name.c_str();
-                        note( out, j, type, name );
+                        if ( notes.get_note(j, type, name, desc, descsz) ) {
+                            // 'name' usually contains \0 at the end. Try to fix it
+                            name = name.c_str();
+                            note( out, j, type, name );
+                        }
                     }
                     
                     out << std::endl;

elfio/elfio_note.hpp

@@ -60,8 +60,13 @@ class note_section_accessor
         const endianess_convertor& convertor = elf_file.get_convertor();
         type = convertor( *(Elf_Word*)( pData + 2*sizeof( Elf_Word ) ) );
         Elf_Word namesz = convertor( *(Elf_Word*)( pData ) );
-        name.assign( pData + 3*sizeof( Elf_Word ), namesz );
         descSize = convertor( *(Elf_Word*)( pData + sizeof( namesz ) ) );
+        Elf_Word max_name_size = note_section->get_size() - note_start_positions[index];
+        if ( namesz            > max_name_size ||
+             namesz + descSize > max_name_size ) {
+            return false;
+        }
+        name.assign( pData + 3 * sizeof( Elf_Word ), namesz );
         if ( 0 == descSize ) {
             desc = 0;
         }