ckdb - payout address search must be locked

src/ckdb.h

@@ -55,7 +55,7 @@
 
 #define DB_VLOCK "1"
 #define DB_VERSION "1.0.4"
-#define CKDB_VERSION DB_VERSION"-1.602"
+#define CKDB_VERSION DB_VERSION"-1.603"
 
 #define WHERE_FFL " - from %s %s() line %d"
 #define WHERE_FFL_HERE __FILE__, __func__, __LINE__

src/ckdb_cmd.c

@@ -667,7 +667,9 @@ static char *cmd_userset(PGconn *conn, char *cmd, char *id,
 				while (pa_item) {
 					DATA_PAYMENTADDRESSES(row, pa_item);
 					// Only EVER validate addresses once ... for now
+					K_RLOCK(paymentaddresses_free);
 					old_pa_item = find_any_payaddress(row->payaddress);
+					K_RUNLOCK(paymentaddresses_free);
 					if (old_pa_item) {
 						/* This test effectively means that
 						 * two users can never add the same