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-rw-r--r--arch/arm/kernel/sleep.S4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm/kernel/sleep.S b/arch/arm/kernel/sleep.S
index a86a1d4f3461..93afd1005b43 100644
--- a/arch/arm/kernel/sleep.S
+++ b/arch/arm/kernel/sleep.S
@@ -127,6 +127,10 @@ cpu_resume_after_mmu:
instr_sync
#endif
bl cpu_init @ restore the und/abt/irq banked regs
+#if defined(CONFIG_KASAN) && defined(CONFIG_KASAN_STACK)
+ mov r0, sp
+ bl kasan_unpoison_task_stack_below
+#endif
mov r0, #0 @ return zero on success
ldmfd sp!, {r4 - r11, pc}
ENDPROC(cpu_resume_after_mmu)