fix: nil pointer panic in FinalizeBlock

Author: yihuang

CHANGELOG.md

@@ -53,6 +53,7 @@ Every module contains its own CHANGELOG.md. Please refer to the module you are i
 ### Bug Fixes
 
 * (x/auth) [#23741](https://github.com/cosmos/cosmos-sdk/pull/23741) Support legacy global AccountNumber.
+* (baseapp) [#]() Fix nil pointer panic in FinalizeBlock.
 
 ### Removed
 

baseapp/abci.go

@@ -903,6 +903,10 @@ func (app *BaseApp) internalFinalizeBlock(ctx context.Context, req *abci.Finaliz
 // where they adhere to the sdk.Tx interface.
 func (app *BaseApp) FinalizeBlock(req *abci.FinalizeBlockRequest) (res *abci.FinalizeBlockResponse, err error) {
 	defer func() {
+		if res == nil {
+			return
+		}
+
 		// call the streaming service hooks with the FinalizeBlock messages
 		for _, streamingListener := range app.streamingManager.ABCIListeners {
 			if streamErr := streamingListener.ListenFinalizeBlock(app.finalizeBlockState.Context(), *req, *res); streamErr != nil {