X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=lightning%2Fsrc%2Frouting%2Fnetwork_graph.rs;h=e7431502f0e477a7660147a0ea3ec855ca774a18;hb=423073dfe53ee56b464fa042fe9b8f635a78c2f1;hp=308c0526eb58cc84207abce8c27d114a059e0bcc;hpb=50b348c4fa7079dcb008d3d5cf8ebc18e5200874;p=rust-lightning

diff --git a/lightning/src/routing/network_graph.rs b/lightning/src/routing/network_graph.rs
index 308c0526..e7431502 100644
--- a/lightning/src/routing/network_graph.rs
+++ b/lightning/src/routing/network_graph.rs
@@ -716,8 +716,8 @@ impl NetworkGraph {
 					if let Some(capacity_sats) = channel.capacity_sats {
 						// It's possible channel capacity is available now, although it wasn't available at announcement (so the field is None).
 						// Don't query UTXO set here to reduce DoS risks.
-						if htlc_maximum_msat > capacity_sats * 1000 {
-							return Err(LightningError{err: "htlc_maximum_msat is larger than channel capacity".to_owned(), action: ErrorAction::IgnoreError});
+						if capacity_sats > MAX_VALUE_MSAT / 1000 || htlc_maximum_msat > capacity_sats * 1000 {
+							return Err(LightningError{err: "htlc_maximum_msat is larger than channel capacity or capacity is bogus".to_owned(), action: ErrorAction::IgnoreError});
 						}
 					}
 				}
@@ -1302,7 +1302,7 @@ mod tests {
 
 		match net_graph_msg_handler.handle_channel_update(&valid_channel_update) {
 			Ok(_) => panic!(),
-			Err(e) => assert_eq!(e.err, "htlc_maximum_msat is larger than channel capacity")
+			Err(e) => assert_eq!(e.err, "htlc_maximum_msat is larger than channel capacity or capacity is bogus")
 		};
 		unsigned_channel_update.htlc_maximum_msat = OptionalField::Absent;