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authorJeremy Soller <jeremy@system76.com>2023-06-21 10:14:52 -0600
committerFelix Held <felix-coreboot@felixheld.de>2023-07-18 14:58:34 +0000
commitf501128536ca158d4a12a9afe6ea24e6ceb6506c (patch)
tree1c687ce921aa1a3a734ae9156b54ed82951329b2 /src/mainboard/google/nyan_big
parentf9aec6e2984878d779369fa5bb64c0404e81d4de (diff)
security/tpm: Respect CBMEM TPM log size
The preram TPM log was being copied to the end of the CBMEM TPM log no matter what the size of the CBMEM TPM log was. Eventually, it would overwrite anything else in CBMEM beyond the TPM log. This can currently be reproduced by enabling TPM_MEASURED_BOOT and performing multiple S3 suspends, as coreboot is incorrectly performing TPM measurements on S3 resume. Change-Id: If76299e68eb5ed2ed20c947be35cea46c51fcdec Signed-off-by: Jeremy Soller <jeremy@system76.com> Signed-off-by: Tim Crawford <tcrawford@system76.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/73297 Reviewed-by: Martin L Roth <gaumless@gmail.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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