From 6bdc6809dabf6f18e55bce972a1c0f289a60427c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Manuel=20P=C3=A9gouri=C3=A9-Gonnard?=
<manuel.pegourie-gonnard@arm.com>
Date: Thu, 28 Nov 2019 10:29:41 +0100
Subject: [PATCH] Initialise variables to failing values
---
library/x509_crt.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/library/x509_crt.c b/library/x509_crt.c
index fde6843b5..b90ec72e8 100644
--- a/library/x509_crt.c
+++ b/library/x509_crt.c
@@ -2943,9 +2943,9 @@ static int x509_crt_find_parent_in(
mbedtls_x509_crt_restart_ctx *rs_ctx )
{
int ret;
- volatile int ret_fi;
+ volatile int ret_fi = MBEDTLS_ERR_PLATFORM_FAULT_DETECTED;
mbedtls_x509_crt *parent_crt;
- int signature_is_good;
+ int signature_is_good = 0;
#if defined(MBEDTLS_HAVE_TIME_DATE)
mbedtls_x509_crt *fallback_parent;
@@ -3040,7 +3040,6 @@ check_signature:
}
#endif
- signature_is_good = 0;
if( ret_fi == 0 )
{
mbedtls_platform_enforce_volatile_reads();
@@ -3781,7 +3780,7 @@ int mbedtls_x509_crt_verify_restartable( mbedtls_x509_crt *crt,
int ret;
mbedtls_x509_crt_verify_chain ver_chain;
uint32_t ee_flags;
- volatile uint32_t flags_fi;
+ volatile uint32_t flags_fi = -1u;
*flags = 0;
ee_flags = 0;