APPLIED: [PATCH 0/3][SRU][E] Fix panic when parsing tpm event log from firmware

Seth Forshee seth.forshee at
Mon Sep 30 15:00:51 UTC 2019

On Sat, Sep 28, 2019 at 10:46:55AM -0500, Seth Forshee wrote:
> BugLink:
> SRU Justification
> Impact: Some systems are getting kernel panics during boot while parsing
> tpm event logs from the firmware. This happens only when the tpm and
> secure boot are both enabled in the firmware.
> Fix: 3 patches which are currently applied to the upstream EFI
> maintainer tree.
> Test Case: On an affected system, booting a 5.3-based kernel will panic
> during boot when the tpm and secure boot are enabled. A patched kernel
> will boot successfully. The patches have been verified to fix the issue
> on a gen 6 Lenovo X1 Carbon.
> Regression Potential: If the patches have bugs they could cause
> regressions on systems not currently experiencing issues. The patches
> are pretty straightforward though and tagged for stable, so I believe
> the risk is minimal and (given the severity of the issue on affected
> hardware) acceptable.

Applied to eoan/master-next.

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