lkml.org 
[lkml]   [2020]   [Jul]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Subject[PATCH v3 00/19] Introduce partial kernel_read_file() support
Date
v3:
- add reviews/acks
- add "IMA: Add support for file reads without contents" patch
- trim CC list, in case that's why vger ignored v2
v2: [missing from lkml archives! (CC list too long?) repeating changes here]
- fix issues in firmware test suite
- add firmware partial read patches
- various bug fixes/cleanups
v1: https://lore.kernel.org/lkml/20200717174309.1164575-1-keescook@chromium.org/

Hi,

Here's my tree for adding partial read support in kernel_read_file(),
which fixes a number of issues along the way. It's got Scott's firmware
and IMA patches ported and everything tests cleanly for me (even with
CONFIG_IMA_APPRAISE=y).

I think the intention is for this to go via Greg's tree since Scott's
driver code will depend on it?

Thanks,

-Kees


Kees Cook (15):
test_firmware: Test platform fw loading on non-EFI systems
selftest/firmware: Add selftest timeout in settings
firmware_loader: EFI firmware loader must handle pre-allocated buffer
fs/kernel_read_file: Remove FIRMWARE_PREALLOC_BUFFER enum
fs/kernel_read_file: Remove FIRMWARE_EFI_EMBEDDED enum
fs/kernel_read_file: Split into separate source file
fs/kernel_read_file: Remove redundant size argument
fs/kernel_read_file: Switch buffer size arg to size_t
fs/kernel_read_file: Add file_size output argument
LSM: Introduce kernel_post_load_data() hook
firmware_loader: Use security_post_load_data()
module: Call security_kernel_post_load_data()
LSM: Add "contents" flag to kernel_read_file hook
fs/kernel_file_read: Add "offset" arg for partial reads
firmware: Store opt_flags in fw_priv

Scott Branden (4):
fs/kernel_read_file: Split into separate include file
IMA: Add support for file reads without contents
firmware: Add request_partial_firmware_into_buf()
test_firmware: Test partial read support

drivers/base/firmware_loader/fallback.c | 19 +-
drivers/base/firmware_loader/fallback.h | 5 +-
.../base/firmware_loader/fallback_platform.c | 16 +-
drivers/base/firmware_loader/firmware.h | 7 +-
drivers/base/firmware_loader/main.c | 143 ++++++++++---
drivers/firmware/efi/embedded-firmware.c | 21 +-
drivers/firmware/efi/embedded-firmware.h | 19 ++
fs/Makefile | 3 +-
fs/exec.c | 132 +-----------
fs/kernel_read_file.c | 189 ++++++++++++++++++
include/linux/efi_embedded_fw.h | 13 --
include/linux/firmware.h | 12 ++
include/linux/fs.h | 39 ----
include/linux/ima.h | 19 +-
include/linux/kernel_read_file.h | 55 +++++
include/linux/lsm_hook_defs.h | 6 +-
include/linux/lsm_hooks.h | 12 ++
include/linux/security.h | 19 +-
kernel/kexec.c | 2 +-
kernel/kexec_file.c | 19 +-
kernel/module.c | 24 ++-
lib/test_firmware.c | 159 +++++++++++++--
security/integrity/digsig.c | 8 +-
security/integrity/ima/ima_fs.c | 10 +-
security/integrity/ima/ima_main.c | 70 +++++--
security/integrity/ima/ima_policy.c | 1 +
security/loadpin/loadpin.c | 17 +-
security/security.c | 26 ++-
security/selinux/hooks.c | 8 +-
.../selftests/firmware/fw_filesystem.sh | 91 +++++++++
tools/testing/selftests/firmware/settings | 8 +
tools/testing/selftests/kselftest/runner.sh | 6 +-
32 files changed, 860 insertions(+), 318 deletions(-)
create mode 100644 drivers/firmware/efi/embedded-firmware.h
create mode 100644 fs/kernel_read_file.c
create mode 100644 include/linux/kernel_read_file.h
create mode 100644 tools/testing/selftests/firmware/settings

--
2.25.1

\
 
 \ /
  Last update: 2020-07-24 23:38    [W:0.347 / U:0.028 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site