From ca1d8b4d1b3f4e77f56fe450f3759d40e9f9091a Mon Sep 17 00:00:00 2001
From: Daniel Gultsch <daniel@gultsch.de>
Date: Sat, 17 Feb 2024 09:05:40 +0100
Subject: [PATCH] fix race condition accessing rtpSender

---
 .../eu/siacs/conversations/xmpp/jingle/TrackWrapper.java  | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/main/java/eu/siacs/conversations/xmpp/jingle/TrackWrapper.java b/src/main/java/eu/siacs/conversations/xmpp/jingle/TrackWrapper.java
index e62aa18fd..16e89ca3b 100644
--- a/src/main/java/eu/siacs/conversations/xmpp/jingle/TrackWrapper.java
+++ b/src/main/java/eu/siacs/conversations/xmpp/jingle/TrackWrapper.java
@@ -65,8 +65,14 @@ class TrackWrapper<T extends MediaStreamTrack> {
     public static <T extends MediaStreamTrack> RtpTransceiver getTransceiver(
             @Nonnull final PeerConnection peerConnection, final TrackWrapper<T> trackWrapper) {
         final RtpSender rtpSender = trackWrapper.rtpSender;
+        final String rtpSenderId;
+        try {
+            rtpSenderId = rtpSender.id();
+        } catch (final IllegalStateException e) {
+            return null;
+        }
         for (final RtpTransceiver transceiver : peerConnection.getTransceivers()) {
-            if (transceiver.getSender().id().equals(rtpSender.id())) {
+            if (transceiver.getSender().id().equals(rtpSenderId)) {
                 return transceiver;
             }
         }