discard better invalid stratosattk1 frames

dernasherbrezon · Aug 8, 2024 · 1a8ebec · 1a8ebec
1 parent 3fd1443
commit 1a8ebec
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/main/java/ru/r2cloud/jradio/sstk1/StratosatTk1Beacon.java b/src/main/java/ru/r2cloud/jradio/sstk1/StratosatTk1Beacon.java
@@ -30,6 +30,9 @@ public void readBeacon(byte[] data) throws IOException, UncorrectableException {
 			if (payloadLength > dis.available()) {
 				payloadLength = dis.available();
 			}
+			if (payloadLength < 0) {
+				throw new UncorrectableException("invalid field size");
+			}
 			switch (tk1Header.getMessageType()) {
 			case 0x0905:
 			case 0x9820: