diff --git a/dom/media/ipc/RDDProcessHost.cpp b/dom/media/ipc/RDDProcessHost.cpp
index d07dbff3df92..17d30fabbbe2 100644
--- a/dom/media/ipc/RDDProcessHost.cpp
+++ b/dom/media/ipc/RDDProcessHost.cpp
@@ -256,7 +256,7 @@ void RDDProcessHost::DestroyProcess() {
 void RDDProcessHost::ResolvePromise() {
   MOZ_ASSERT(NS_IsMainThread());
 
-  if (!mLaunchPromiseSettled) {
+  if (mLaunchPromise && !mLaunchPromiseSettled) {
     mLaunchPromise->Resolve(true, __func__);
     mLaunchPromiseSettled = true;
   }
@@ -268,7 +268,7 @@ void RDDProcessHost::ResolvePromise() {
 void RDDProcessHost::RejectPromise() {
   MOZ_ASSERT(NS_IsMainThread());
 
-  if (!mLaunchPromiseSettled) {
+  if (mLaunchPromise && !mLaunchPromiseSettled) {
     mLaunchPromise->Reject(NS_ERROR_FAILURE, __func__);
     mLaunchPromiseSettled = true;
   }
diff --git a/dom/media/ipc/RDDProcessManager.cpp b/dom/media/ipc/RDDProcessManager.cpp
index 9f732e913966..aed7cfa0d7f0 100644
--- a/dom/media/ipc/RDDProcessManager.cpp
+++ b/dom/media/ipc/RDDProcessManager.cpp
@@ -129,7 +129,8 @@ RefPtr<GenericNonExclusivePromise> RDDProcessManager::LaunchRDDProcess() {
                                                        __func__);
   }
 
-  if (mLaunchRDDPromise && mProcess) {
+  if (mProcess) {
+    MOZ_DIAGNOSTIC_ASSERT(mLaunchRDDPromise);
     return mLaunchRDDPromise;
   }
 
@@ -154,7 +155,7 @@ RefPtr<GenericNonExclusivePromise> RDDProcessManager::LaunchRDDProcess() {
               NS_ERROR_NOT_AVAILABLE, __func__);
         }
 
-        if (IsRDDProcessDestroyed()) {
+        if (NS_WARN_IF(!IsRDDProcessLaunching())) {
           return GenericNonExclusivePromise::CreateAndReject(
               NS_ERROR_NOT_AVAILABLE, __func__);
         }
@@ -219,14 +220,14 @@ auto RDDProcessManager::EnsureRDDProcessAndCreateBridge(
       });
 }
 
-bool RDDProcessManager::IsRDDProcessLaunching() {
+bool RDDProcessManager::IsRDDProcessLaunching() const {
   MOZ_ASSERT(NS_IsMainThread());
   return !!mProcess && !mRDDChild;
 }
 
-bool RDDProcessManager::IsRDDProcessDestroyed() const {
+bool RDDProcessManager::IsRDDProcessAlive() const {
   MOZ_ASSERT(NS_IsMainThread());
-  return !mRDDChild && !mProcess;
+  return mRDDChild && mRDDChild->CanSend() && mProcess;
 }
 
 void RDDProcessManager::OnProcessUnexpectedShutdown(RDDProcessHost* aHost) {
@@ -261,14 +262,20 @@ void RDDProcessManager::NotifyRemoteActorDestroyed(
 
 void RDDProcessManager::DestroyProcess() {
   MOZ_ASSERT(NS_IsMainThread());
+
   if (!mProcess) {
     return;
   }
 
-  mProcess->Shutdown();
-  mProcessToken = 0;
+  // Move onto the stack to ensure we don't re-enter from a chained promise
+  // rejection on the process shutdown.
+  RDDProcessHost* process = mProcess;
   mProcess = nullptr;
+
+  process->Shutdown();
+  mProcessToken = 0;
   mRDDChild = nullptr;
+  mLaunchRDDPromise = nullptr;
   mQueuedPrefs.Clear();
 
   CrashReporter::RecordAnnotationCString(
@@ -280,7 +287,7 @@ bool RDDProcessManager::CreateContentBridge(
     ipc::Endpoint<PRemoteDecoderManagerChild>* aOutRemoteDecoderManager) {
   MOZ_ASSERT(NS_IsMainThread());
 
-  if (IsRDDProcessDestroyed()) {
+  if (NS_WARN_IF(!IsRDDProcessAlive())) {
     MOZ_LOG(sPDMLog, LogLevel::Debug,
             ("RDD shutdown before creating content bridge"));
     return false;
@@ -310,6 +317,12 @@ bool RDDProcessManager::CreateVideoBridge() {
   ipc::Endpoint<PVideoBridgeParent> parentPipe;
   ipc::Endpoint<PVideoBridgeChild> childPipe;
 
+  if (NS_WARN_IF(!IsRDDProcessAlive())) {
+    MOZ_LOG(sPDMLog, LogLevel::Debug,
+            ("RDD shutdown before creating video bridge"));
+    return false;
+  }
+
   GPUProcessManager* gpuManager = GPUProcessManager::Get();
   ipc::EndpointProcInfo gpuProcessInfo = gpuManager
                                              ? gpuManager->GPUEndpointProcInfo()
diff --git a/dom/media/ipc/RDDProcessManager.h b/dom/media/ipc/RDDProcessManager.h
index ea82390a40f2..d16a85ec9893 100644
--- a/dom/media/ipc/RDDProcessManager.h
+++ b/dom/media/ipc/RDDProcessManager.h
@@ -74,8 +74,8 @@ class RDDProcessManager final : public RDDProcessHost::Listener {
   RefPtr<PRDDChild::TestTriggerMetricsPromise> TestTriggerMetrics();
 
  private:
-  bool IsRDDProcessLaunching();
-  bool IsRDDProcessDestroyed() const;
+  bool IsRDDProcessLaunching() const;
+  bool IsRDDProcessAlive() const;
   bool CreateVideoBridge();
 
   // Called from our xpcom-shutdown observer.