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From ca99fe81c8aee204c1a8b7f3ca264130e54d9418 Mon Sep 17 00:00:00 2001
From: Alon Bar-Lev <alon.barlev@gmail.com>
Date: Sat, 1 Sep 2018 21:32:07 +0300
Subject: [PATCH] tpm: tpm_deprecated.c fix compare
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
tpm/tpm_deprecated.c:437:7: error: ‘__builtin_memcmp_eq’ reading 20 bytes from a region of size 8 [-Werror=stringop-overflow=]
if (memcmp(&b1, &newAuthLink, sizeof(TPM_HMAC))) {
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors
Bug: https://bugs.gentoo.org/show_bug.cgi?id=664198
---
tpm/tpm_deprecated.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tpm/tpm_deprecated.c b/tpm/tpm_deprecated.c
index c362b56..4c49f54 100644
--- a/tpm/tpm_deprecated.c
+++ b/tpm/tpm_deprecated.c
@@ -434,7 +434,7 @@ TPM_RESULT TPM_ChangeAuthAsymFinish(TPM_KEY_HANDLE parentHandle,
tpm_hmac_final(&hmac_ctx, b1.digest);
/* 6. The TPM SHALL compare b1 with newAuthLink. The TPM SHALL
indicate a failure if the values do not match. */
- if (memcmp(&b1, &newAuthLink, sizeof(TPM_HMAC))) {
+ if (memcmp(&b1, newAuthLink, sizeof(TPM_HMAC))) {
debug("TPM_ChangeAuthAsymFinish(): newAuthLink value does not match.");
return TPM_FAIL;
}
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