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[PATCH] target/arm: Fix PAuth keys access checks for disabled SEL2
From: |
Florian Lugou |
Subject: |
[PATCH] target/arm: Fix PAuth keys access checks for disabled SEL2 |
Date: |
Tue, 17 May 2022 16:52:42 +0200 |
As per the description of the HCR_EL2.APK field in the ARMv8 ARM,
Pointer Authentication keys accesses should only be trapped to Secure
EL2 if it is enabled.
Signed-off-by: Florian Lugou <florian.lugou@provenrun.com>
---
target/arm/helper.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/target/arm/helper.c b/target/arm/helper.c
index 432bd81919..29f73c7343 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -6758,7 +6758,7 @@ static CPAccessResult access_pauth(CPUARMState *env,
const ARMCPRegInfo *ri,
int el = arm_current_el(env);
if (el < 2 &&
- arm_feature(env, ARM_FEATURE_EL2) &&
+ arm_is_el2_enabled(env) &&
!(arm_hcr_el2_eff(env) & HCR_APK)) {
return CP_ACCESS_TRAP_EL2;
}
--
2.25.1
- [PATCH] target/arm: Fix PAuth keys access checks for disabled SEL2,
Florian Lugou <=