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Don't make shim abort when TPM log event fails (RHBZ #2002265) #414

Merged
merged 1 commit into from
Sep 13, 2021
Merged

Don't make shim abort when TPM log event fails (RHBZ #2002265) #414

merged 1 commit into from
Sep 13, 2021

Commits on Sep 13, 2021

  1. Don't make shim abort when TPM log event fails (RHBZ #2002265) 

    On Dell hardware booted in UEFI with option TPM 1.2 "On without Pre-Boot
Measurements", it appears that `tpm_log_event()` fails with Unsupported,
which causes Shim to abort due to believing it couldn't set up the
MokListRT, MokListXRT and SbatLevelRT variables.

This patch ignore the error when trying to write to the TPM and sets the
TPM as 'defective' to not try to write to it anymore.

Signed-off-by: Renaud Métrich <rmetrich@redhat.com>
    @rmetrich
    rmetrich committed Sep 13, 2021
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