F-3507 - https://fenrir.wolfssl.com/finding/3507 - examples/attestation/activate_credential: zero-init tpmSession so early-failure cleanup is safe

Author: aidangarske

examples/attestation/activate_credential.c

@@ -99,6 +99,7 @@ int TPM2_ActivateCredential_Example(void* userCtx, int argc, char *argv[])
     XMEMSET(&endorse, 0, sizeof(endorse));
     XMEMSET(&storage, 0, sizeof(storage));
     XMEMSET(&akKey, 0, sizeof(akKey));
+    XMEMSET(&tpmSession, 0, sizeof(tpmSession));
 
     printf("Demo how to create a credential blob for remote attestation\n");
     rc = wolfTPM2_Init(&dev, TPM2_IoCb, userCtx);