Index: uspace/app/bdsh/cmds/modules/cat/cat.c
===================================================================
--- uspace/app/bdsh/cmds/modules/cat/cat.c	(revision 7308e8483157ded22564d02d2cb722a721b9d8d0)
+++ uspace/app/bdsh/cmds/modules/cat/cat.c	(revision afe1d1e203e5c589222f7579368f84a24d325f3c)
@@ -144,14 +144,14 @@
 			return CMD_SUCCESS;
 		case 'H':
-			printf(cat_oops);
+			printf("%s", cat_oops);
 			return CMD_FAILURE;
 		case 't':
-			printf(cat_oops);
+			printf("%s", cat_oops);
 			return CMD_FAILURE;
 		case 'b':
-			printf(cat_oops);
+			printf("%s", cat_oops);
 			break;
 		case 'm':
-			printf(cat_oops);
+			printf("%s", cat_oops);
 			return CMD_FAILURE;
 		}
Index: uspace/app/bdsh/cmds/modules/rm/rm.c
===================================================================
--- uspace/app/bdsh/cmds/modules/rm/rm.c	(revision 7308e8483157ded22564d02d2cb722a721b9d8d0)
+++ uspace/app/bdsh/cmds/modules/rm/rm.c	(revision afe1d1e203e5c589222f7579368f84a24d325f3c)
@@ -227,5 +227,5 @@
 		}
 		memset(buff, 0, sizeof(buff));
-		snprintf(buff, len, argv[i]);
+		snprintf(buff, len, "%s", argv[i]);
 
 		scope = rm_scope(buff);
Index: uspace/srv/net/tl/udp/udp.c
===================================================================
--- uspace/srv/net/tl/udp/udp.c	(revision 7308e8483157ded22564d02d2cb722a721b9d8d0)
+++ uspace/srv/net/tl/udp/udp.c	(revision afe1d1e203e5c589222f7579368f84a24d325f3c)
@@ -740,5 +740,5 @@
 	int socket_id;
 	size_t addrlen;
-	size_t size;
+	size_t size = 0;
 	ipc_call_t answer;
 	size_t answer_count;