diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index 3626074acec9..4e593fc2c66d 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -2133,8 +2133,9 @@ unsigned long get_wchan(struct task_struct *p)
 
 static int kstack_depth_to_print = CONFIG_PRINT_STACK_DEPTH;
 
-void show_stack(struct task_struct *tsk, unsigned long *stack,
-		const char *loglvl)
+void __no_sanitize_address show_stack(struct task_struct *tsk,
+				      unsigned long *stack,
+				      const char *loglvl)
 {
 	unsigned long sp, ip, lr, newsp;
 	int count = 0;
diff --git a/arch/powerpc/kernel/stacktrace.c b/arch/powerpc/kernel/stacktrace.c
index 1deb1bf331dd..1961e6d5e33b 100644
--- a/arch/powerpc/kernel/stacktrace.c
+++ b/arch/powerpc/kernel/stacktrace.c
@@ -23,8 +23,8 @@
 
 #include <asm/paca.h>
 
-void arch_stack_walk(stack_trace_consume_fn consume_entry, void *cookie,
-		     struct task_struct *task, struct pt_regs *regs)
+void __no_sanitize_address arch_stack_walk(stack_trace_consume_fn consume_entry, void *cookie,
+					   struct task_struct *task, struct pt_regs *regs)
 {
 	unsigned long sp;
 
@@ -61,8 +61,8 @@ void arch_stack_walk(stack_trace_consume_fn consume_entry, void *cookie,
  *
  * If the task is not 'current', the caller *must* ensure the task is inactive.
  */
-int arch_stack_walk_reliable(stack_trace_consume_fn consume_entry,
-			     void *cookie, struct task_struct *task)
+int __no_sanitize_address arch_stack_walk_reliable(stack_trace_consume_fn consume_entry,
+						   void *cookie, struct task_struct *task)
 {
 	unsigned long sp;
 	unsigned long newsp;
diff --git a/arch/powerpc/perf/callchain.c b/arch/powerpc/perf/callchain.c
index 6c028ee513c0..082f6d0308a4 100644
--- a/arch/powerpc/perf/callchain.c
+++ b/arch/powerpc/perf/callchain.c
@@ -40,7 +40,7 @@ static int valid_next_sp(unsigned long sp, unsigned long prev_sp)
 	return 0;
 }
 
-void
+void __no_sanitize_address
 perf_callchain_kernel(struct perf_callchain_entry_ctx *entry, struct pt_regs *regs)
 {
 	unsigned long sp, next_sp;