Fix raft.h empty list deref

microsoft · Jan 15, 2025 · f4caefc · f4caefc
1 parent a2c0ea1
commit f4caefc
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/consensus/aft/raft.h b/src/consensus/aft/raft.h
@@ -564,7 +564,7 @@ namespace aft
         become_retired(idx, ccf::kv::RetirementPhase::Ordered);
       }
 
-      if (conf != configurations.back().nodes)
+      if (configurations.empty() || conf != configurations.back().nodes)
       {
         Configuration new_config = {idx, std::move(conf), idx};
         configurations.push_back(new_config);