Files
xen/stubdom/vtpm_TPM_ChangeAuthAsymFinish.patch
Olaf Hering 22bf5be323 stubdom/vtpm: fix memcmp in TPM_ChangeAuthAsymFinish
gcc8 spotted this error:
error: 'memcmp' reading 20 bytes from a region of size 8 [-Werror=stringop-overflow=]

Signed-off-by: Olaf Hering <olaf@aepfle.de>
Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
2018-06-26 12:42:24 +01:00

13 lines
578 B
Diff

error: 'memcmp' reading 20 bytes from a region of size 8 [-Werror=stringop-overflow=]
--- a/tpm/tpm_deprecated.c
+++ b/tpm/tpm_deprecated.c
@@ -434,7 +434,7 @@ TPM_RESULT TPM_ChangeAuthAsymFinish(TPM_
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;
}