psbt: assertion for index in bounds

vincenzopalazzo · Aug 18, 2020 · 973456c · 973456c
1 parent d1d96a9
commit 973456c
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/common/psbt_open.c b/common/psbt_open.c
@@ -377,6 +377,7 @@ bool psbt_has_required_fields(struct wally_psbt *psbt)
 			return false;
 
 		/* If is P2SH, redeemscript must be present */
+		assert(psbt->tx->inputs[i].index < input->utxo->num_outputs);
 		const u8 *outscript =
 			wally_tx_output_get_script(tmpctx,
 				&input->utxo->outputs[psbt->tx->inputs[i].index]);