fix_assertion_failure_walreceiver.patch

diff --git a/src/backend/postmaster/startup.c b/src/backend/postmaster/startup.c
index 22135d5e07..69077bd207 100644
--- a/src/backend/postmaster/startup.c
+++ b/src/backend/postmaster/startup.c
@@ -62,6 +62,9 @@ static volatile sig_atomic_t in_restore_command = false;
 static void StartupProcTriggerHandler(SIGNAL_ARGS);
 static void StartupProcSigHupHandler(SIGNAL_ARGS);
 
+/* Callbacks */
+static void StartupProcExit(int code, Datum arg);
+
 
 /* --------------------------------
  *		signal handler routines
@@ -183,6 +186,19 @@ HandleStartupProcInterrupts(void)
 }
 
 
+/* --------------------------------
+ *		signal handler routines
+ * --------------------------------
+ */
+static void
+StartupProcExit(int code, Datum arg)
+{
+	/* Shutdown the recovery environment */
+	if (standbyState != STANDBY_DISABLED)
+		ShutdownRecoveryTransactionEnvironment();
+}
+
+
 /* ----------------------------------
  *	Startup Process main entry point
  * ----------------------------------
@@ -190,6 +206,9 @@ HandleStartupProcInterrupts(void)
 void
 StartupProcessMain(void)
 {
+	/* Arrange to clean up at startup process exit */
+	on_shmem_exit(StartupProcExit, 0);
+
 	/*
 	 * Properly accept or ignore signals the postmaster might send us.
 	 */
diff --git a/src/backend/storage/ipc/standby.c b/src/backend/storage/ipc/standby.c
index 17de5a6d0e..aae6d28f93 100644
--- a/src/backend/storage/ipc/standby.c
+++ b/src/backend/storage/ipc/standby.c
@@ -131,6 +131,12 @@ InitRecoveryTransactionEnvironment(void)
 void
 ShutdownRecoveryTransactionEnvironment(void)
 {
+	static bool	called = false;
+
+	/* Prevent transaction tracking from being shut down more than once */
+	if (called)
+		return;
+
 	/* Mark all tracked in-progress transactions as finished. */
 	ExpireAllKnownAssignedTransactionIds();
 
@@ -143,6 +149,8 @@ ShutdownRecoveryTransactionEnvironment(void)
 
 	/* Cleanup our VirtualTransaction */
 	VirtualXactLockTableCleanup();
+
+	called = true;
 }