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A handful of EFI changes for this cycle:

Browse Source 
- EFI CPER parsing improvements,
  - Don't take the address of efi_guid_t internal fields
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'efi-core-2021-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull EFI updates from Ingo Molnar:
 "A handful of EFI changes for this cycle:

   - EFI CPER parsing improvements

   - Don't take the address of efi_guid_t internal fields"

* tag 'efi-core-2021-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  efi: cper: check section header more appropriately
  efi: Don't use knowledge about efi_guid_t internals
  efi: cper: fix scnprintf() use in cper_mem_err_location()
This commit is contained in:
Linus Torvalds 2021-08-30 13:57:55 -07:00
commit 46f4945e2b
2 changed files with 7 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
drivers/firmware/efi/cper.c
View File

@ -221,7 +221,7 @@ static int cper_mem_err_location(struct cper_mem_err_compact *mem, char *msg)
return 0;
n = 0;
len = CPER_REC_LEN - 1;
len = CPER_REC_LEN;
if (mem->validation_bits & CPER_MEM_VALID_NODE)
n += scnprintf(msg + n, len - n, "node: %d ", mem->node);
if (mem->validation_bits & CPER_MEM_VALID_CARD)
@ -258,13 +258,12 @@ static int cper_mem_err_location(struct cper_mem_err_compact *mem, char *msg)
n += scnprintf(msg + n, len - n, "responder_id: 0x%016llx ",
mem->responder_id);
if (mem->validation_bits & CPER_MEM_VALID_TARGET_ID)
scnprintf(msg + n, len - n, "target_id: 0x%016llx ",
mem->target_id);
n += scnprintf(msg + n, len - n, "target_id: 0x%016llx ",
mem->target_id);
if (mem->validation_bits & CPER_MEM_VALID_CHIP_ID)
scnprintf(msg + n, len - n, "chip_id: %d ",
mem->extended >> CPER_MEM_CHIP_ID_SHIFT);
n += scnprintf(msg + n, len - n, "chip_id: %d ",
mem->extended >> CPER_MEM_CHIP_ID_SHIFT);
msg[n] = '\0';
return n;
}
@ -633,7 +632,7 @@ int cper_estatus_check(const struct acpi_hest_generic_status *estatus)
data_len = estatus->data_length;
apei_estatus_for_each_section(estatus, gdata) {
if (sizeof(struct acpi_hest_generic_data) > data_len)
if (acpi_hest_get_size(gdata) > data_len)
return -EINVAL;
record_size = acpi_hest_get_record_size(gdata);

2
security/integrity/platform_certs/efi_parser.c
View File

@ -55,7 +55,7 @@ int __init parse_efi_signature_list(
memcpy(&list, data, sizeof(list));
pr_devel("LIST[%04x] guid=%pUl ls=%x hs=%x ss=%x\n",
offs,
list.signature_type.b, list.signature_list_size,
&list.signature_type, list.signature_list_size,
list.signature_header_size, list.signature_size);
lsize = list.signature_list_size;