From db3ed2cf9c67ed6a0da0bab6e43edae90ced4bf2 Mon Sep 17 00:00:00 2001 From: Masahisa Kojima Date: Fri, 3 Sep 2021 10:55:51 +0900 Subject: [PATCH] efi_loader: fix boot_service_capability_min calculation TCG EFI Protocol Specification requires to the input ProtocolCapability.Size < size of the EFI_TCG2_BOOT_SERVICE_CAPABILITY up to and including the vendor ID field. Current implementation does different calculation, let's fix it. Signed-off-by: Masahisa Kojima Reviewed-by: Ilias Apalodimas Reviewed-by: Heinrich Schuchardt --- include/efi_tcg2.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/efi_tcg2.h b/include/efi_tcg2.h index b6b958da51..a8c43e415f 100644 --- a/include/efi_tcg2.h +++ b/include/efi_tcg2.h @@ -127,8 +127,8 @@ struct efi_tcg2_boot_service_capability { efi_tcg_event_algorithm_bitmap active_pcr_banks; }; +/* up to and including the vendor ID (manufacturer_id) field */ #define boot_service_capability_min \ - sizeof(struct efi_tcg2_boot_service_capability) - \ offsetof(struct efi_tcg2_boot_service_capability, number_of_pcr_banks) #define TCG_EFI_SPEC_ID_EVENT_SIGNATURE_03 "Spec ID Event03" -- 2.39.5