arm64: kasan: clear stale stack poison

[cascardo/linux.git] / arch / arm64 / kernel / sleep.S

diff --git a/arch/arm64/kernel/sleep.S b/arch/arm64/kernel/sleep.S
index e33fe33..fd10eb6 100644 (file)
--- a/arch/arm64/kernel/sleep.S
+++ b/arch/arm64/kernel/sleep.S
@@ -145,6 +145,10 @@ ENTRY(cpu_resume_mmu)
 ENDPROC(cpu_resume_mmu)
        .popsection
 cpu_resume_after_mmu:
+#ifdef CONFIG_KASAN
+       mov     x0, sp
+       bl      kasan_unpoison_remaining_stack
+#endif
        mov     x0, #0                  // return zero on success
        ldp     x19, x20, [sp, #16]
        ldp     x21, x22, [sp, #32]