diff --git a/external/src/RandomX b/external/src/RandomX
index f1fb568..0b4d553 160000
--- a/external/src/RandomX
+++ b/external/src/RandomX
@@ -1 +1 @@
-Subproject commit f1fb56896ed4ab5bf5d1040931b60c73204097c7
+Subproject commit 0b4d553b20a20387a52730e3e7d234e7a4042419
diff --git a/src/block_template.cpp b/src/block_template.cpp
index 9cdb2bf..bfc7428 100644
--- a/src/block_template.cpp
+++ b/src/block_template.cpp
@@ -911,10 +911,11 @@ uint32_t BlockTemplate::get_hashing_blobs(uint32_t extra_nonce_start, uint32_t c
 
 	for (uint32_t i = 0; i < count; ++i) {
 		uint8_t blob[128];
-		const uint32_t n = get_hashing_blob_nolock(extra_nonce_start + i, blob);
+		uint32_t n = get_hashing_blob_nolock(extra_nonce_start + i, blob);
 
 		if (n > sizeof(blob)) {
 			LOGERR(1, "internal error: get_hashing_blob_nolock returned too large blob size " << n << ", expected <= " << sizeof(blob));
+			n = sizeof(blob);
 		}
 		else if (n < 76) {
 			LOGERR(1, "internal error: get_hashing_blob_nolock returned too little blob size " << n << ", expected >= 76");
diff --git a/src/json_rpc_request.cpp b/src/json_rpc_request.cpp
index 1f56b46..faed2db 100644
--- a/src/json_rpc_request.cpp
+++ b/src/json_rpc_request.cpp
@@ -26,7 +26,10 @@ static constexpr char log_category_prefix[] = "JSONRPCRequest ";
 namespace p2pool {
 
 JSONRPCRequest::JSONRPCRequest(const char* address, int port, const char* req, CallbackBase* cb)
-	: m_callback(cb)
+	: m_socket{}
+	, m_connect{}
+	, m_write{}
+	, m_callback(cb)
 	, m_contentLength(0)
 	, m_contentLengthHeader(false)
 	, m_readBufInUse(false)
diff --git a/src/p2pool.cpp b/src/p2pool.cpp
index f0b4eb6..23d91be 100644
--- a/src/p2pool.cpp
+++ b/src/p2pool.cpp
@@ -1004,12 +1004,16 @@ int p2pool::run()
 		return 1;
 	}
 
-	{
+	try {
 		ZMQReader z(m_params->m_host, m_params->m_zmqPort, this);
 		get_info();
 		const int rc = uv_run(uv_default_loop_checked(), UV_RUN_DEFAULT);
 		LOGINFO(1, "uv_run exited, result = " << rc);
 	}
+	catch (const std::exception& e) {
+		LOGERR(1, "exception " << e.what());
+		panic();
+	}
 
 	m_stopped = true;
 
diff --git a/src/pow_hash.cpp b/src/pow_hash.cpp
index 53bed68..c44cb78 100644
--- a/src/pow_hash.cpp
+++ b/src/pow_hash.cpp
@@ -130,7 +130,7 @@ void RandomX_Hasher::set_seed_async(const hash& seed)
 	work->seed = seed;
 	work->req.data = work;
 
-	uv_queue_work(uv_default_loop_checked(), &work->req,
+	const int err = uv_queue_work(uv_default_loop_checked(), &work->req,
 		[](uv_work_t* req)
 		{
 			bkg_jobs_tracker.start("RandomX_Hasher::set_seed_async");
@@ -145,6 +145,14 @@ void RandomX_Hasher::set_seed_async(const hash& seed)
 			bkg_jobs_tracker.stop("RandomX_Hasher::set_seed_async");
 		}
 	);
+
+	if (err) {
+		LOGERR(1, "uv_queue_work failed, error " << uv_err_name(err));
+		if (!work->pool->stopped()) {
+			work->hasher->set_seed(work->seed);
+		}
+		delete work;
+	}
 }
 
 void RandomX_Hasher::set_seed(const hash& seed)
diff --git a/src/side_chain.cpp b/src/side_chain.cpp
index e512c6a..7e2314f 100644
--- a/src/side_chain.cpp
+++ b/src/side_chain.cpp
@@ -634,8 +634,7 @@ void SideChain::print_status()
 		Wallet w = m_pool->params().m_wallet;
 		hash eph_public_key;
 		for (size_t i = 0, n = m_chainTip->m_outputs.size(); i < n; ++i) {
-			w.get_eph_public_key(m_chainTip->m_txkeySec, i, eph_public_key);
-			if (m_chainTip->m_outputs[i].m_ephPublicKey == eph_public_key) {
+			if (w.get_eph_public_key(m_chainTip->m_txkeySec, i, eph_public_key) && (m_chainTip->m_outputs[i].m_ephPublicKey == eph_public_key)) {
 				reward_share = m_chainTip->m_outputs[i].m_reward;
 				break;
 			}
diff --git a/src/tcp_server.h b/src/tcp_server.h
index 71aece2..438ebb3 100644
--- a/src/tcp_server.h
+++ b/src/tcp_server.h
@@ -178,7 +178,7 @@ private:
 protected:
 	void start_listening(const std::string& listen_addresses);
 
-	std::atomic<int> m_finished{ 0 };
+	std::atomic<int> m_finished;
 	int m_listenPort;
 
 	uv_loop_t m_loop;
diff --git a/src/tcp_server.inl b/src/tcp_server.inl
index d9c6640..c2409cc 100644
--- a/src/tcp_server.inl
+++ b/src/tcp_server.inl
@@ -24,6 +24,8 @@ namespace p2pool {
 template<size_t READ_BUF_SIZE, size_t WRITE_BUF_SIZE>
 TCPServer<READ_BUF_SIZE, WRITE_BUF_SIZE>::TCPServer(allocate_client_callback allocate_new_client)
 	: m_allocateNewClient(allocate_new_client)
+	, m_loopThread{}
+	, m_finished(0)
 	, m_listenPort(-1)
 	, m_loopStopped(false)
 	, m_numConnections(0)
diff --git a/src/zmq_reader.cpp b/src/zmq_reader.cpp
index 220e7db..4d586f6 100644
--- a/src/zmq_reader.cpp
+++ b/src/zmq_reader.cpp
@@ -50,7 +50,6 @@ ZMQReader::ZMQReader(const char* address, uint32_t zmq_port, MinerCallbackHandle
 	if (!m_publisherPort) {
 		LOGERR(1, "failed to to bind ZMQ publisher port, aborting");
 		panic();
-
 	}
 
 	const int err = uv_thread_create(&m_worker, run_wrapper, this);