--- zzzz-none-000/linux-4.9.279/include/linux/init_task.h	2021-08-08 06:38:54.000000000 +0000
+++ puma7-atom-6591-750/linux-4.9.279/include/linux/init_task.h	2023-02-08 11:43:43.000000000 +0000
@@ -150,6 +150,14 @@
 # define INIT_PERF_EVENTS(tsk)
 #endif
 
+#ifdef CONFIG_DEBUG_MUTEXES
+#define INIT_TRACK_MUTEX_OWNER(tsk)					\
+	.blocked_on = NULL,						\
+	.blocked_on_ptrlock = __SPIN_LOCK_UNLOCKED(tsk.blocked_on_ptrlock),
+#else
+#define INIT_TRACK_MUTEX_OWNER(tsk)
+#endif
+
 #ifdef CONFIG_VIRT_CPU_ACCOUNTING_GEN
 # define INIT_VTIME(tsk)						\
 	.vtime_seqcount = SEQCNT_ZERO(tsk.vtime_seqcount),	\
@@ -259,6 +267,7 @@
 	.thread_node	= LIST_HEAD_INIT(init_signals.thread_head),	\
 	INIT_IDS							\
 	INIT_PERF_EVENTS(tsk)						\
+	INIT_TRACK_MUTEX_OWNER(tsk)					\
 	INIT_TRACE_IRQFLAGS						\
 	INIT_LOCKDEP							\
 	INIT_FTRACE_GRAPH						\