What were you trying to do that didn't work?

$ tpm2_eventlog --eventlog-version=2 mb_log_secureboot.bin

on a file downloaded from https://github.com/RedHat-SP-Security/keylime-tests/raw/refs/heads/main/functional/keylime-policy-commands/mb_log_secureboot.bin

Most likely a little/big-endian processing mismatch.

What is the impact of this issue to you?

cannot parse the measured boot log copied from a different system

Please provide the package NVR for which the bug is seen:

tpm2-tools-5.2-4.el9.s390x

How reproducible is this bug?:

always

Steps to reproduce

1. see above
2.  
3.  

Expected results

1. tpm2_eventlog --eventlog-version=2 mb_log_secureboot.bin 
   works correctly

Actual results

ERROR: insufficient size for SpecID event data

ERROR: failed to parse tpm2 eventlog

ERROR: Unable to run tpm2_eventlog