Index: kernel/generic/src/printf/printf_core.c
===================================================================
--- kernel/generic/src/printf/printf_core.c	(revision e330da6e8c9b0dc3c32eed16c06b64b13f0a6963)
+++ kernel/generic/src/printf/printf_core.c	(revision 4b583f4c93e98921f30c1663cc83ccd84e0a624c)
@@ -739,4 +739,7 @@
 				else
 					qualifier = PrintfQualifierLongLong;
+				i = nxt;
+				uc = str_decode(fmt, &nxt, STR_NO_LIMIT);
+				break;
 			case 'h':
 				/* Char or short */