From: Jeremy Linton Date: Tue, 1 Oct 2024 03:20:28 +0000 (-0500) Subject: efi/libstub: measure initrd to PCR9 independent of source X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=c004703ed7ae6be30ee7dcb37801bda4c6a24c3b;p=users%2Fjedix%2Flinux-maple.git efi/libstub: measure initrd to PCR9 independent of source Currently the initrd is only measured if it can be loaded using the INITRD_MEDIA_GUID, if we are loading it from a path provided via the command line it is never measured. Lets move the check down a couple lines so the measurement happens independent of the source. Signed-off-by: Jeremy Linton Reviewed-by: Ilias Apalodimas Signed-off-by: Ard Biesheuvel --- diff --git a/drivers/firmware/efi/libstub/efi-stub-helper.c b/drivers/firmware/efi/libstub/efi-stub-helper.c index e7346f8edb38c..c0c81ca4237e9 100644 --- a/drivers/firmware/efi/libstub/efi-stub-helper.c +++ b/drivers/firmware/efi/libstub/efi-stub-helper.c @@ -620,10 +620,6 @@ efi_status_t efi_load_initrd(efi_loaded_image_t *image, status = efi_load_initrd_dev_path(&initrd, hard_limit); if (status == EFI_SUCCESS) { efi_info("Loaded initrd from LINUX_EFI_INITRD_MEDIA_GUID device path\n"); - if (initrd.size > 0 && - efi_measure_tagged_event(initrd.base, initrd.size, - EFISTUB_EVT_INITRD) == EFI_SUCCESS) - efi_info("Measured initrd data into PCR 9\n"); } else if (status == EFI_NOT_FOUND) { status = efi_load_initrd_cmdline(image, &initrd, soft_limit, hard_limit); @@ -636,6 +632,11 @@ efi_status_t efi_load_initrd(efi_loaded_image_t *image, if (status != EFI_SUCCESS) goto failed; + if (initrd.size > 0 && + efi_measure_tagged_event(initrd.base, initrd.size, + EFISTUB_EVT_INITRD) == EFI_SUCCESS) + efi_info("Measured initrd data into PCR 9\n"); + status = efi_bs_call(allocate_pool, EFI_LOADER_DATA, sizeof(initrd), (void **)&tbl); if (status != EFI_SUCCESS)