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charset=us-ascii Content-Disposition: inline tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: ccb98ccef0e543c2bd4ef1a72270461957f3d8d0 commit: f4dc7fffa9873db50ec25624572f8217a6225de8 efi: libstub: unify initrd loading between architectures date: 2 years, 3 months ago config: arm64-randconfig-003-20241220 (https://download.01.org/0day-ci/archive/20250101/202501010146.LSAElru1-lkp@intel.com/config) compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 9daf10ff8f29ba3a88a105aaa9d2379c21b77d35) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250101/202501010146.LSAElru1-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202501010146.LSAElru1-lkp@intel.com/ All warnings (new ones prefixed by >>): drivers/firmware/efi/libstub/efi-stub-helper.c:559: warning: Function parameter or struct member 'initrd' not described in 'efi_load_initrd_dev_path' drivers/firmware/efi/libstub/efi-stub-helper.c:559: warning: Excess function parameter 'load_addr' description in 'efi_load_initrd_dev_path' drivers/firmware/efi/libstub/efi-stub-helper.c:559: warning: Excess function parameter 'load_size' description in 'efi_load_initrd_dev_path' >> drivers/firmware/efi/libstub/efi-stub-helper.c:662: warning: Function parameter or struct member 'out' not described in 'efi_load_initrd' vim +662 drivers/firmware/efi/libstub/efi-stub-helper.c ec93fc371f014a Ard Biesheuvel 2020-02-03 542 ec93fc371f014a Ard Biesheuvel 2020-02-03 543 /** 8c0a839c2bccb7 Heinrich Schuchardt 2020-06-16 544 * efi_load_initrd_dev_path() - load the initrd from the Linux initrd device path ec93fc371f014a Ard Biesheuvel 2020-02-03 545 * @load_addr: pointer to store the address where the initrd was loaded ec93fc371f014a Ard Biesheuvel 2020-02-03 546 * @load_size: pointer to store the size of the loaded initrd ec93fc371f014a Ard Biesheuvel 2020-02-03 547 * @max: upper limit for the initrd memory allocation 8c0a839c2bccb7 Heinrich Schuchardt 2020-06-16 548 * 8c0a839c2bccb7 Heinrich Schuchardt 2020-06-16 549 * Return: 8c0a839c2bccb7 Heinrich Schuchardt 2020-06-16 550 * * %EFI_SUCCESS if the initrd was loaded successfully, in which ec93fc371f014a Ard Biesheuvel 2020-02-03 551 * case @load_addr and @load_size are assigned accordingly 8c0a839c2bccb7 Heinrich Schuchardt 2020-06-16 552 * * %EFI_NOT_FOUND if no LoadFile2 protocol exists on the initrd device path 8c0a839c2bccb7 Heinrich Schuchardt 2020-06-16 553 * * %EFI_OUT_OF_RESOURCES if memory allocation failed 8c0a839c2bccb7 Heinrich Schuchardt 2020-06-16 554 * * %EFI_LOAD_ERROR in all other cases ec93fc371f014a Ard Biesheuvel 2020-02-03 555 */ f61900fd0ebf6c Arvind Sankar 2020-04-30 556 static f4dc7fffa9873d Ard Biesheuvel 2022-09-16 557 efi_status_t efi_load_initrd_dev_path(struct linux_efi_initrd *initrd, ec93fc371f014a Ard Biesheuvel 2020-02-03 558 unsigned long max) ec93fc371f014a Ard Biesheuvel 2020-02-03 @559 { ec93fc371f014a Ard Biesheuvel 2020-02-03 560 efi_guid_t lf2_proto_guid = EFI_LOAD_FILE2_PROTOCOL_GUID; ec93fc371f014a Ard Biesheuvel 2020-02-03 561 efi_device_path_protocol_t *dp; ec93fc371f014a Ard Biesheuvel 2020-02-03 562 efi_load_file2_protocol_t *lf2; ec93fc371f014a Ard Biesheuvel 2020-02-03 563 efi_handle_t handle; ec93fc371f014a Ard Biesheuvel 2020-02-03 564 efi_status_t status; ec93fc371f014a Ard Biesheuvel 2020-02-03 565 ec93fc371f014a Ard Biesheuvel 2020-02-03 566 dp = (efi_device_path_protocol_t *)&initrd_dev_path; ec93fc371f014a Ard Biesheuvel 2020-02-03 567 status = efi_bs_call(locate_device_path, &lf2_proto_guid, &dp, &handle); ec93fc371f014a Ard Biesheuvel 2020-02-03 568 if (status != EFI_SUCCESS) ec93fc371f014a Ard Biesheuvel 2020-02-03 569 return status; ec93fc371f014a Ard Biesheuvel 2020-02-03 570 ec93fc371f014a Ard Biesheuvel 2020-02-03 571 status = efi_bs_call(handle_protocol, handle, &lf2_proto_guid, ec93fc371f014a Ard Biesheuvel 2020-02-03 572 (void **)&lf2); ec93fc371f014a Ard Biesheuvel 2020-02-03 573 if (status != EFI_SUCCESS) ec93fc371f014a Ard Biesheuvel 2020-02-03 574 return status; ec93fc371f014a Ard Biesheuvel 2020-02-03 575 f4dc7fffa9873d Ard Biesheuvel 2022-09-16 576 initrd->size = 0; f4dc7fffa9873d Ard Biesheuvel 2022-09-16 577 status = efi_call_proto(lf2, load_file, dp, false, &initrd->size, NULL); ec93fc371f014a Ard Biesheuvel 2020-02-03 578 if (status != EFI_BUFFER_TOO_SMALL) ec93fc371f014a Ard Biesheuvel 2020-02-03 579 return EFI_LOAD_ERROR; ec93fc371f014a Ard Biesheuvel 2020-02-03 580 f4dc7fffa9873d Ard Biesheuvel 2022-09-16 581 status = efi_allocate_pages(initrd->size, &initrd->base, max); ec93fc371f014a Ard Biesheuvel 2020-02-03 582 if (status != EFI_SUCCESS) ec93fc371f014a Ard Biesheuvel 2020-02-03 583 return status; ec93fc371f014a Ard Biesheuvel 2020-02-03 584 f4dc7fffa9873d Ard Biesheuvel 2022-09-16 585 status = efi_call_proto(lf2, load_file, dp, false, &initrd->size, f4dc7fffa9873d Ard Biesheuvel 2022-09-16 586 (void *)initrd->base); ec93fc371f014a Ard Biesheuvel 2020-02-03 587 if (status != EFI_SUCCESS) { f4dc7fffa9873d Ard Biesheuvel 2022-09-16 588 efi_free(initrd->size, initrd->base); ec93fc371f014a Ard Biesheuvel 2020-02-03 589 return EFI_LOAD_ERROR; ec93fc371f014a Ard Biesheuvel 2020-02-03 590 } ec93fc371f014a Ard Biesheuvel 2020-02-03 591 return EFI_SUCCESS; ec93fc371f014a Ard Biesheuvel 2020-02-03 592 } f61900fd0ebf6c Arvind Sankar 2020-04-30 593 f61900fd0ebf6c Arvind Sankar 2020-04-30 594 static f61900fd0ebf6c Arvind Sankar 2020-04-30 595 efi_status_t efi_load_initrd_cmdline(efi_loaded_image_t *image, f4dc7fffa9873d Ard Biesheuvel 2022-09-16 596 struct linux_efi_initrd *initrd, f61900fd0ebf6c Arvind Sankar 2020-04-30 597 unsigned long soft_limit, f61900fd0ebf6c Arvind Sankar 2020-04-30 598 unsigned long hard_limit) f61900fd0ebf6c Arvind Sankar 2020-04-30 599 { f61900fd0ebf6c Arvind Sankar 2020-04-30 600 if (!IS_ENABLED(CONFIG_EFI_GENERIC_STUB_INITRD_CMDLINE_LOADER) || f4dc7fffa9873d Ard Biesheuvel 2022-09-16 601 (IS_ENABLED(CONFIG_X86) && (!efi_is_native() || image == NULL))) f4dc7fffa9873d Ard Biesheuvel 2022-09-16 602 return EFI_UNSUPPORTED; f61900fd0ebf6c Arvind Sankar 2020-04-30 603 f61900fd0ebf6c Arvind Sankar 2020-04-30 604 return handle_cmdline_files(image, L"initrd=", sizeof(L"initrd=") - 2, f61900fd0ebf6c Arvind Sankar 2020-04-30 605 soft_limit, hard_limit, f4dc7fffa9873d Ard Biesheuvel 2022-09-16 606 &initrd->base, &initrd->size); f61900fd0ebf6c Arvind Sankar 2020-04-30 607 } f61900fd0ebf6c Arvind Sankar 2020-04-30 608 f046fff8bc4c4d Ilias Apalodimas 2021-11-19 609 static const struct { f046fff8bc4c4d Ilias Apalodimas 2021-11-19 610 efi_tcg2_event_t event_data; f046fff8bc4c4d Ilias Apalodimas 2021-11-19 611 efi_tcg2_tagged_event_t tagged_event; f046fff8bc4c4d Ilias Apalodimas 2021-11-19 612 u8 tagged_event_data[]; f046fff8bc4c4d Ilias Apalodimas 2021-11-19 613 } initrd_tcg2_event = { f046fff8bc4c4d Ilias Apalodimas 2021-11-19 614 { f046fff8bc4c4d Ilias Apalodimas 2021-11-19 615 sizeof(initrd_tcg2_event) + sizeof("Linux initrd"), f046fff8bc4c4d Ilias Apalodimas 2021-11-19 616 { f046fff8bc4c4d Ilias Apalodimas 2021-11-19 617 sizeof(initrd_tcg2_event.event_data.event_header), f046fff8bc4c4d Ilias Apalodimas 2021-11-19 618 EFI_TCG2_EVENT_HEADER_VERSION, f046fff8bc4c4d Ilias Apalodimas 2021-11-19 619 9, f046fff8bc4c4d Ilias Apalodimas 2021-11-19 620 EV_EVENT_TAG, f046fff8bc4c4d Ilias Apalodimas 2021-11-19 621 }, f046fff8bc4c4d Ilias Apalodimas 2021-11-19 622 }, f046fff8bc4c4d Ilias Apalodimas 2021-11-19 623 { f046fff8bc4c4d Ilias Apalodimas 2021-11-19 624 INITRD_EVENT_TAG_ID, f046fff8bc4c4d Ilias Apalodimas 2021-11-19 625 sizeof("Linux initrd"), f046fff8bc4c4d Ilias Apalodimas 2021-11-19 626 }, f046fff8bc4c4d Ilias Apalodimas 2021-11-19 627 { "Linux initrd" }, f046fff8bc4c4d Ilias Apalodimas 2021-11-19 628 }; f046fff8bc4c4d Ilias Apalodimas 2021-11-19 629 f046fff8bc4c4d Ilias Apalodimas 2021-11-19 630 static void efi_measure_initrd(unsigned long load_addr, unsigned long load_size) f046fff8bc4c4d Ilias Apalodimas 2021-11-19 631 { f046fff8bc4c4d Ilias Apalodimas 2021-11-19 632 efi_guid_t tcg2_guid = EFI_TCG2_PROTOCOL_GUID; f046fff8bc4c4d Ilias Apalodimas 2021-11-19 633 efi_tcg2_protocol_t *tcg2 = NULL; f046fff8bc4c4d Ilias Apalodimas 2021-11-19 634 efi_status_t status; f046fff8bc4c4d Ilias Apalodimas 2021-11-19 635 f046fff8bc4c4d Ilias Apalodimas 2021-11-19 636 efi_bs_call(locate_protocol, &tcg2_guid, NULL, (void **)&tcg2); f046fff8bc4c4d Ilias Apalodimas 2021-11-19 637 if (tcg2) { f046fff8bc4c4d Ilias Apalodimas 2021-11-19 638 status = efi_call_proto(tcg2, hash_log_extend_event, f046fff8bc4c4d Ilias Apalodimas 2021-11-19 639 0, load_addr, load_size, f046fff8bc4c4d Ilias Apalodimas 2021-11-19 640 &initrd_tcg2_event.event_data); f046fff8bc4c4d Ilias Apalodimas 2021-11-19 641 if (status != EFI_SUCCESS) f046fff8bc4c4d Ilias Apalodimas 2021-11-19 642 efi_warn("Failed to measure initrd data: 0x%lx\n", f046fff8bc4c4d Ilias Apalodimas 2021-11-19 643 status); f046fff8bc4c4d Ilias Apalodimas 2021-11-19 644 else f046fff8bc4c4d Ilias Apalodimas 2021-11-19 645 efi_info("Measured initrd data into PCR %d\n", f046fff8bc4c4d Ilias Apalodimas 2021-11-19 646 initrd_tcg2_event.event_data.event_header.pcr_index); f046fff8bc4c4d Ilias Apalodimas 2021-11-19 647 } f046fff8bc4c4d Ilias Apalodimas 2021-11-19 648 } f046fff8bc4c4d Ilias Apalodimas 2021-11-19 649 8c0a839c2bccb7 Heinrich Schuchardt 2020-06-16 650 /** 8c0a839c2bccb7 Heinrich Schuchardt 2020-06-16 651 * efi_load_initrd() - Load initial RAM disk 8c0a839c2bccb7 Heinrich Schuchardt 2020-06-16 652 * @image: EFI loaded image protocol 947228cb9f1a2c Atish Patra 2021-07-02 653 * @soft_limit: preferred address for loading the initrd 947228cb9f1a2c Atish Patra 2021-07-02 654 * @hard_limit: upper limit address for loading the initrd 8c0a839c2bccb7 Heinrich Schuchardt 2020-06-16 655 * 8c0a839c2bccb7 Heinrich Schuchardt 2020-06-16 656 * Return: status code 8c0a839c2bccb7 Heinrich Schuchardt 2020-06-16 657 */ f61900fd0ebf6c Arvind Sankar 2020-04-30 658 efi_status_t efi_load_initrd(efi_loaded_image_t *image, f61900fd0ebf6c Arvind Sankar 2020-04-30 659 unsigned long soft_limit, f4dc7fffa9873d Ard Biesheuvel 2022-09-16 660 unsigned long hard_limit, f4dc7fffa9873d Ard Biesheuvel 2022-09-16 661 const struct linux_efi_initrd **out) f61900fd0ebf6c Arvind Sankar 2020-04-30 @662 { f4dc7fffa9873d Ard Biesheuvel 2022-09-16 663 efi_guid_t tbl_guid = LINUX_EFI_INITRD_MEDIA_GUID; f4dc7fffa9873d Ard Biesheuvel 2022-09-16 664 efi_status_t status = EFI_SUCCESS; f4dc7fffa9873d Ard Biesheuvel 2022-09-16 665 struct linux_efi_initrd initrd, *tbl; f61900fd0ebf6c Arvind Sankar 2020-04-30 666 f4dc7fffa9873d Ard Biesheuvel 2022-09-16 667 if (!IS_ENABLED(CONFIG_BLK_DEV_INITRD) || efi_noinitrd) f4dc7fffa9873d Ard Biesheuvel 2022-09-16 668 return EFI_SUCCESS; f4dc7fffa9873d Ard Biesheuvel 2022-09-16 669 f4dc7fffa9873d Ard Biesheuvel 2022-09-16 670 status = efi_load_initrd_dev_path(&initrd, hard_limit); f61900fd0ebf6c Arvind Sankar 2020-04-30 671 if (status == EFI_SUCCESS) { f61900fd0ebf6c Arvind Sankar 2020-04-30 672 efi_info("Loaded initrd from LINUX_EFI_INITRD_MEDIA_GUID device path\n"); f4dc7fffa9873d Ard Biesheuvel 2022-09-16 673 if (initrd.size > 0) f4dc7fffa9873d Ard Biesheuvel 2022-09-16 674 efi_measure_initrd(initrd.base, initrd.size); f61900fd0ebf6c Arvind Sankar 2020-04-30 675 } else if (status == EFI_NOT_FOUND) { f4dc7fffa9873d Ard Biesheuvel 2022-09-16 676 status = efi_load_initrd_cmdline(image, &initrd, soft_limit, f4dc7fffa9873d Ard Biesheuvel 2022-09-16 677 hard_limit); f4dc7fffa9873d Ard Biesheuvel 2022-09-16 678 /* command line loader disabled or no initrd= passed? */ f4dc7fffa9873d Ard Biesheuvel 2022-09-16 679 if (status == EFI_UNSUPPORTED || status == EFI_NOT_READY) f4dc7fffa9873d Ard Biesheuvel 2022-09-16 680 return EFI_SUCCESS; f4dc7fffa9873d Ard Biesheuvel 2022-09-16 681 if (status == EFI_SUCCESS) f61900fd0ebf6c Arvind Sankar 2020-04-30 682 efi_info("Loaded initrd from command line option\n"); f61900fd0ebf6c Arvind Sankar 2020-04-30 683 } f4dc7fffa9873d Ard Biesheuvel 2022-09-16 684 if (status != EFI_SUCCESS) f4dc7fffa9873d Ard Biesheuvel 2022-09-16 685 goto failed; f4dc7fffa9873d Ard Biesheuvel 2022-09-16 686 f4dc7fffa9873d Ard Biesheuvel 2022-09-16 687 status = efi_bs_call(allocate_pool, EFI_LOADER_DATA, sizeof(initrd), f4dc7fffa9873d Ard Biesheuvel 2022-09-16 688 (void **)&tbl); f4dc7fffa9873d Ard Biesheuvel 2022-09-16 689 if (status != EFI_SUCCESS) f4dc7fffa9873d Ard Biesheuvel 2022-09-16 690 goto free_initrd; f046fff8bc4c4d Ilias Apalodimas 2021-11-19 691 f4dc7fffa9873d Ard Biesheuvel 2022-09-16 692 *tbl = initrd; f4dc7fffa9873d Ard Biesheuvel 2022-09-16 693 status = efi_bs_call(install_configuration_table, &tbl_guid, tbl); f4dc7fffa9873d Ard Biesheuvel 2022-09-16 694 if (status != EFI_SUCCESS) f4dc7fffa9873d Ard Biesheuvel 2022-09-16 695 goto free_tbl; f4dc7fffa9873d Ard Biesheuvel 2022-09-16 696 f4dc7fffa9873d Ard Biesheuvel 2022-09-16 697 if (out) f4dc7fffa9873d Ard Biesheuvel 2022-09-16 698 *out = tbl; f4dc7fffa9873d Ard Biesheuvel 2022-09-16 699 return EFI_SUCCESS; f4dc7fffa9873d Ard Biesheuvel 2022-09-16 700 f4dc7fffa9873d Ard Biesheuvel 2022-09-16 701 free_tbl: f4dc7fffa9873d Ard Biesheuvel 2022-09-16 702 efi_bs_call(free_pool, tbl); f4dc7fffa9873d Ard Biesheuvel 2022-09-16 703 free_initrd: f4dc7fffa9873d Ard Biesheuvel 2022-09-16 704 efi_free(initrd.size, initrd.base); f4dc7fffa9873d Ard Biesheuvel 2022-09-16 705 failed: f4dc7fffa9873d Ard Biesheuvel 2022-09-16 706 efi_err("Failed to load initrd: 0x%lx\n", status); f61900fd0ebf6c Arvind Sankar 2020-04-30 707 return status; f61900fd0ebf6c Arvind Sankar 2020-04-30 708 } 14c574f35cfbc9 Arvind Sankar 2020-05-18 709 :::::: The code at line 662 was first introduced by commit :::::: f61900fd0ebf6c6b91719d63272a54f4d11051df efi/libstub: Unify initrd loading across architectures :::::: TO: Arvind Sankar :::::: CC: Ard Biesheuvel -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki