kconfig-hardened-check.git
2 months agoUpdate the UBSAN_SANITIZE_ALL kconfig check
Alexander Popov [Sun, 1 Sep 2024 10:40:16 +0000 (13:40 +0300)]
Update the UBSAN_SANITIZE_ALL kconfig check

It was enabled by default in UBSAN and removed in the commit
918327e9b7ffb45321cbb4b9b86b58ec555fe6b3 in Linux v6.9.

2 months agoMerge branch 'from-willenst-1'
Alexander Popov [Thu, 29 Aug 2024 06:25:26 +0000 (09:25 +0300)]
Merge branch 'from-willenst-1'

Refers to #152

2 months agounittest: test VersionCheck.table_print() to hit the coverage
Alexander Popov [Wed, 28 Aug 2024 18:20:01 +0000 (21:20 +0300)]
unittest: test VersionCheck.table_print() to hit the coverage

Refers to #145, #155

2 months agoMerge branch 'from-willenst-2'
Alexander Popov [Wed, 28 Aug 2024 18:01:12 +0000 (21:01 +0300)]
Merge branch 'from-willenst-2'

Refers to #145, #155

2 months agoremove engine debug output 155/head
Willenst [Tue, 27 Aug 2024 11:32:03 +0000 (13:32 +0200)]
remove engine debug output

remove unused libs

Remove engine debug output

2 months agoAdd test for `colorize_result`
Willenst [Thu, 22 Aug 2024 18:56:41 +0000 (20:56 +0200)]
Add test for `colorize_result`

2 months agoAdd test for `print_unknown_options`
Willenst [Thu, 22 Aug 2024 18:28:07 +0000 (20:28 +0200)]
Add test for `print_unknown_options`

2 months agoAdd io_uring_disabled sysctl check 152/head
Willenst [Mon, 26 Aug 2024 08:40:01 +0000 (10:40 +0200)]
Add io_uring_disabled sysctl check

3 months agoMerge branch 'from-jvoisin'
Alexander Popov [Mon, 19 Aug 2024 15:13:27 +0000 (18:13 +0300)]
Merge branch 'from-jvoisin'

Refers to #138

3 months agoAdd the `TEST_DEBUG_VIRTUAL` kconfig check 138/head
Alexander Popov [Mon, 19 Aug 2024 14:34:02 +0000 (17:34 +0300)]
Add the `TEST_DEBUG_VIRTUAL` kconfig check

3 months agoChange the `reason` for the `IP_SCTP` and `KGDB` kconfig checks
Alexander Popov [Mon, 19 Aug 2024 14:32:41 +0000 (17:32 +0300)]
Change the `reason` for the `IP_SCTP` and `KGDB` kconfig checks

3 months agoRemove the `PAGE_OWNER` kconfig check
Alexander Popov [Mon, 19 Aug 2024 14:30:31 +0000 (17:30 +0300)]
Remove the `PAGE_OWNER` kconfig check

It is not relevant any more.

3 months agoDisabling VCAP_KUNIT_TEST and BUILD_SALT doesn't look security relevant
Alexander Popov [Mon, 19 Aug 2024 14:27:06 +0000 (17:27 +0300)]
Disabling VCAP_KUNIT_TEST and BUILD_SALT doesn't look security relevant

3 months agoFix the check order, no functional changes
Alexander Popov [Mon, 19 Aug 2024 14:24:07 +0000 (17:24 +0300)]
Fix the check order, no functional changes

3 months agoIntroduce the ARM_PTDUMP_DEBUGFS check
Alexander Popov [Mon, 19 Aug 2024 14:22:00 +0000 (17:22 +0300)]
Introduce the ARM_PTDUMP_DEBUGFS check

`X86_PTDUMP` is the old name of `PTDUMP_DEBUGFS`,
see the upstream kernel commit 2ae27137b2db89365f623a7694786cf6d1acb6c7.

`ARM_PTDUMP` is the old name of `ARM_PTDUMP_DEBUGFS`,
see the upstream kernel commit 4fb69cc4566f175839615cc4ef8828ae4d5341d9.

3 months agoMerge branch 'master' into from-jvoisin
Alexander Popov [Mon, 19 Aug 2024 10:27:46 +0000 (13:27 +0300)]
Merge branch 'master' into from-jvoisin

3 months agoMerge remote-tracking branch 'citypw/patch-1'
Alexander Popov [Sun, 18 Aug 2024 14:34:55 +0000 (17:34 +0300)]
Merge remote-tracking branch 'citypw/patch-1'

Thanks, @citypw

3 months agoAdd ARM SMMU check options 150/head
Shawn C [Tue, 6 Aug 2024 16:05:45 +0000 (16:05 +0000)]
Add ARM SMMU check options

Threat model:
https://github.com/hardenedlinux/grsecurity-101-tutorials/blob/master/embedded_platform_security.md

3 months agoAdd missing UBSAN_SIGNED_WRAP mentioned in kernel/configs/hardening.config
Alexander Popov [Sun, 11 Aug 2024 15:05:25 +0000 (18:05 +0300)]
Add missing UBSAN_SIGNED_WRAP mentioned in kernel/configs/hardening.config

3 months agoImprove the CONFIG_GCC_PLUGIN_STRUCTLEAK check
Alexander Popov [Sun, 11 Aug 2024 14:36:49 +0000 (17:36 +0300)]
Improve the CONFIG_GCC_PLUGIN_STRUCTLEAK check

3 months agoUpdate the KSPP recommendations (II)
Alexander Popov [Sun, 11 Aug 2024 13:56:58 +0000 (16:56 +0300)]
Update the KSPP recommendations (II)

3 months agoUpdate the KSPP recommendations
Alexander Popov [Sun, 11 Aug 2024 13:49:57 +0000 (16:49 +0300)]
Update the KSPP recommendations

3 months agoAdd the comments about `vm.mmap_rnd_bits` and `vm.mmap_rnd_compat_bits` sysctls
Alexander Popov [Sun, 11 Aug 2024 11:14:15 +0000 (14:14 +0300)]
Add the comments about `vm.mmap_rnd_bits` and `vm.mmap_rnd_compat_bits` sysctls

Refers to #146

3 months agoMark the sysrq checks as GrapheneOS recommendations
Alexander Popov [Sun, 11 Aug 2024 09:39:51 +0000 (12:39 +0300)]
Mark the sysrq checks as GrapheneOS recommendations

And update the README by the way.

See #104

3 months agoReorder some checks
Alexander Popov [Sun, 11 Aug 2024 09:27:12 +0000 (12:27 +0300)]
Reorder some checks

3 months agoImprove the reflections on CONFIG_PANIC_ON_OOPS
Alexander Popov [Sat, 10 Aug 2024 14:23:23 +0000 (17:23 +0300)]
Improve the reflections on CONFIG_PANIC_ON_OOPS

3 months agoAdd the LKDTM check
Alexander Popov [Sat, 10 Aug 2024 11:05:34 +0000 (14:05 +0300)]
Add the LKDTM check

Thanks to @izh1979 for the idea.

3 months agoAdd defconfigs for Linux v6.10
Alexander Popov [Sun, 28 Jul 2024 21:40:48 +0000 (00:40 +0300)]
Add defconfigs for Linux v6.10

And remove the unneeded one for Linux v6.6 by the way.

3 months agoMerge branch 'simp_detect_arch'
Alexander Popov [Sun, 28 Jul 2024 17:46:50 +0000 (20:46 +0300)]
Merge branch 'simp_detect_arch'

Looks good to me. Thanks, @jvoisin.

4 months agoSimplify a bit the detect_arch function 148/head
jvoisin [Tue, 16 Jul 2024 23:38:32 +0000 (01:38 +0200)]
Simplify a bit the detect_arch function

- Use a regex to extract the arch instead of doing the extraction "by hand".
- Reduce nested indentation.
- Reduce the amount of code in the loop.
- Remove a forceful `re.compile`: python will cache regex in a compiled form if
  necessary.

4 months agoAdd the FAULT_INJECTION check
Alexander Popov [Sun, 7 Jul 2024 15:39:22 +0000 (18:39 +0300)]
Add the FAULT_INJECTION check

Thanks to @izh1979 for the idea.

4 months agoAdd the CONFIG_N_GSM check
Alexander Popov [Sun, 7 Jul 2024 13:49:47 +0000 (16:49 +0300)]
Add the CONFIG_N_GSM check

See https://www.openwall.com/lists/oss-security/2024/04/17/1.

Refers to #122.

4 months agoAdd the CRASH_DUMP check
Alexander Popov [Sun, 7 Jul 2024 12:49:10 +0000 (15:49 +0300)]
Add the CRASH_DUMP check

Refers to #84.

4 months agoUpdate the `kfence.sample_interval` check
Alexander Popov [Sun, 7 Jul 2024 12:19:03 +0000 (15:19 +0300)]
Update the `kfence.sample_interval` check

4 months agoAllow the empty values for Kconfig options
Alexander Popov [Sat, 6 Jul 2024 20:55:09 +0000 (23:55 +0300)]
Allow the empty values for Kconfig options

This prevents breaking on handling the strange Broadcom configs.

Refers to #143.

4 months agoAdd the missing SPDX info
Alexander Popov [Sat, 6 Jul 2024 13:02:08 +0000 (16:02 +0300)]
Add the missing SPDX info

4 months agoImprove the README
Alexander Popov [Sat, 6 Jul 2024 08:51:36 +0000 (11:51 +0300)]
Improve the README

4 months agoSpecify the `GPL-3.0-only` license explicitly
Alexander Popov [Sat, 6 Jul 2024 08:40:19 +0000 (11:40 +0300)]
Specify the `GPL-3.0-only` license explicitly

4 months agoUpdate the `decision` for the SLAB_MERGE_DEFAULT check
Alexander Popov [Wed, 3 Jul 2024 13:41:22 +0000 (16:41 +0300)]
Update the `decision` for the SLAB_MERGE_DEFAULT check

4 months agoUpdate the KFENCE_SAMPLE_INTERVAL check
Alexander Popov [Wed, 3 Jul 2024 13:38:13 +0000 (16:38 +0300)]
Update the KFENCE_SAMPLE_INTERVAL check

4 months agoMerge branch 'master' into grsecurity
Julien Voisin [Fri, 28 Jun 2024 13:30:04 +0000 (13:30 +0000)]
Merge branch 'master' into grsecurity

5 months agoComment out the RANDSTRUCT_PERFORMANCE check
Alexander Popov [Wed, 19 Jun 2024 18:44:08 +0000 (21:44 +0300)]
Comment out the RANDSTRUCT_PERFORMANCE check

5 months agoUpdate the KSPP recommendations (https://github.com/KSPP/linux/issues/362)
Alexander Popov [Wed, 19 Jun 2024 18:12:05 +0000 (21:12 +0300)]
Update the KSPP recommendations (https://github.com/KSPP/linux/issues/362)

Thanks to @kees!

5 months agoUpdate the 'kernel.modules_disabled' check
Alexander Popov [Sun, 16 Jun 2024 05:48:52 +0000 (08:48 +0300)]
Update the 'kernel.modules_disabled' check

5 months agoAdd the 'kernel.oops_limit' and 'kernel.warn_limit' checks
Alexander Popov [Sun, 16 Jun 2024 05:48:14 +0000 (08:48 +0300)]
Add the 'kernel.oops_limit' and 'kernel.warn_limit' checks

5 months agoAdd the "cfi" check
Alexander Popov [Sun, 16 Jun 2024 05:23:40 +0000 (08:23 +0300)]
Add the "cfi" check

5 months agoAdd the "MAGIC_SYSRQ_SERIAL" check
Alexander Popov [Sun, 16 Jun 2024 04:24:56 +0000 (07:24 +0300)]
Add the "MAGIC_SYSRQ_SERIAL" check

Thanks to @thestinger.

Refers to #104.

5 months agoAdd the "kernel.sysrq" check
Alexander Popov [Sun, 16 Jun 2024 04:03:29 +0000 (07:03 +0300)]
Add the "kernel.sysrq" check

Thanks to @thestinger.

Refers to #104.

5 months agoAdd the MAGIC_SYSRQ_DEFAULT_ENABLE check
Alexander Popov [Sat, 15 Jun 2024 21:56:25 +0000 (00:56 +0300)]
Add the MAGIC_SYSRQ_DEFAULT_ENABLE check

Thanks to @thestinger.

Refers to #104.

5 months agoSync with KSPP: update the `decision` for some checks
Alexander Popov [Sat, 15 Jun 2024 20:16:35 +0000 (23:16 +0300)]
Sync with KSPP: update the `decision` for some checks

Thanks to @kees for the collaboration.

5 months agoAdd CONFIG_CC_IS_CLANG and CONFIG_CC_IS_GCC to the KSPP recommendations
Alexander Popov [Sat, 15 Jun 2024 19:20:51 +0000 (22:20 +0300)]
Add CONFIG_CC_IS_CLANG and CONFIG_CC_IS_GCC to the KSPP recommendations

It makes the tool show less FAILs.

5 months agoruff: Fix EXE001 "Shebang is present but file is not executable"
Alexander Popov [Sat, 15 Jun 2024 10:21:23 +0000 (13:21 +0300)]
ruff: Fix EXE001 "Shebang is present but file is not executable"

5 months agoAdd the comment about 'if arch' for the 'cut_attack_surface' checks
Alexander Popov [Mon, 10 Jun 2024 14:10:47 +0000 (17:10 +0300)]
Add the comment about 'if arch' for the 'cut_attack_surface' checks

Refers to #135.

5 months agoUpdate the KSPP recommendations
Alexander Popov [Mon, 10 Jun 2024 13:44:21 +0000 (16:44 +0300)]
Update the KSPP recommendations

Thanks to Kees for working together!

5 months agoCode refactoring to improve test coverage (II)
Alexander Popov [Mon, 10 Jun 2024 13:13:28 +0000 (16:13 +0300)]
Code refactoring to improve test coverage (II)

Test the `-v` argument.

5 months agoCode refactoring to improve test coverage (I)
Alexander Popov [Mon, 10 Jun 2024 13:12:15 +0000 (16:12 +0300)]
Code refactoring to improve test coverage (I)

5 months agoMerge branch 'scs-pac'
Alexander Popov [Sun, 9 Jun 2024 10:40:00 +0000 (13:40 +0300)]
Merge branch 'scs-pac'

Refers to #131

Thanks @jvoisin

5 months agoMerge branch 'page-table-check'
Alexander Popov [Sun, 9 Jun 2024 09:00:36 +0000 (12:00 +0300)]
Merge branch 'page-table-check'

Refers to #140

Thanks to @jvoisin

5 months agoMerge branch 'open_check'
Alexander Popov [Sun, 2 Jun 2024 17:37:31 +0000 (20:37 +0300)]
Merge branch 'open_check'

Refers to #134.

5 months agoCI: Add the test for the code checking that the cmdline file is not empty 134/head
Alexander Popov [Sun, 2 Jun 2024 17:24:52 +0000 (20:24 +0300)]
CI: Add the test for the code checking that the cmdline file is not empty

5 months agoCI: Add the tests for the code checking that the config files exist
Alexander Popov [Sun, 2 Jun 2024 17:13:10 +0000 (20:13 +0300)]
CI: Add the tests for the code checking that the config files exist

5 months agoCheck that the cmdline file is not empty
Alexander Popov [Sun, 2 Jun 2024 16:59:36 +0000 (19:59 +0300)]
Check that the cmdline file is not empty

5 months agoAlso check that the cmdline file and sysctl file exist
Alexander Popov [Sun, 2 Jun 2024 16:58:59 +0000 (19:58 +0300)]
Also check that the cmdline file and sysctl file exist

5 months agoMerge branch 'master' into open-check
Alexander Popov [Sun, 2 Jun 2024 16:38:10 +0000 (19:38 +0300)]
Merge branch 'master' into open-check

5 months agoCheck MITIGATION_SPECTRE_BHI and spectre_bhi
Alexander Popov [Sun, 2 Jun 2024 15:19:44 +0000 (18:19 +0300)]
Check MITIGATION_SPECTRE_BHI and spectre_bhi

5 months agoCheck MITIGATION_RFDS and reg_file_data_sampling
Alexander Popov [Sun, 2 Jun 2024 14:57:49 +0000 (17:57 +0300)]
Check MITIGATION_RFDS and reg_file_data_sampling

Refers to #116

5 months agoAdd the new name of SPECULATION_MITIGATIONS
Alexander Popov [Sun, 2 Jun 2024 12:31:12 +0000 (15:31 +0300)]
Add the new name of SPECULATION_MITIGATIONS

Since Linux v6.9 it's called CONFIG_CPU_MITIGATIONS.

Refers to #127, #117

5 months agoAdd the new names of RETPOLINE, CPU_SRSO, SLS
Alexander Popov [Sun, 2 Jun 2024 12:12:55 +0000 (15:12 +0300)]
Add the new names of RETPOLINE, CPU_SRSO, SLS

Since Linux v6.9 they are renamed:
  RETPOLINE -> MITIGATION_RETPOLINE
  CPU_SRSO -> MITIGATION_SRSO
  SLS -> MITIGATION_SLS

Refers to #127, #117

5 months agoAdd the new name of PAGE_TABLE_ISOLATION
Alexander Popov [Sun, 2 Jun 2024 11:54:07 +0000 (14:54 +0300)]
Add the new name of PAGE_TABLE_ISOLATION

Since Linux v6.9 it's called CONFIG_MITIGATION_PAGE_TABLE_ISOLATION.

Refers to #127, #117

6 months agoAdd two PAGE_TABLE_CHECK related checks from kspp 140/head
jvoisin [Wed, 22 May 2024 20:03:43 +0000 (22:03 +0200)]
Add two PAGE_TABLE_CHECK related checks from kspp

Newly added in https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=87caef42200cd44f8b808ec2f8ac2257f3e0a8c1

6 months agoMerge branch 'master' into scs_pac 131/head
Julien Voisin [Sun, 19 May 2024 19:17:19 +0000 (19:17 +0000)]
Merge branch 'master' into scs_pac

6 months agoAdd a couple of grsecurity disabled options
jvoisin [Fri, 17 May 2024 00:20:28 +0000 (02:20 +0200)]
Add a couple of grsecurity disabled options

This is based on a grsecurity 6.6 patch

6 months agoMerge remote-tracking branch 'origin/pylint'
Alexander Popov [Tue, 14 May 2024 14:07:04 +0000 (17:07 +0300)]
Merge remote-tracking branch 'origin/pylint'

Refers to #136

6 months agoDon't use TODO to avoid pylint warnings 136/head
Alexander Popov [Tue, 14 May 2024 13:15:27 +0000 (16:15 +0300)]
Don't use TODO to avoid pylint warnings

6 months agoCI: add pylint
Alexander Popov [Tue, 14 May 2024 13:16:29 +0000 (16:16 +0300)]
CI: add pylint

6 months agoDrop 'disable=invalid-name' for pylint
Alexander Popov [Tue, 14 May 2024 13:14:56 +0000 (16:14 +0300)]
Drop 'disable=invalid-name' for pylint

6 months agoDrop __about__.py and use 'version = attr:' in setup.cfg
Alexander Popov [Tue, 14 May 2024 13:12:43 +0000 (16:12 +0300)]
Drop __about__.py and use 'version = attr:' in setup.cfg

6 months agoCI: Add the mypy arguments to the WoodPecker CI
Alexander Popov [Mon, 13 May 2024 23:56:14 +0000 (02:56 +0300)]
CI: Add the mypy arguments to the WoodPecker CI

6 months agoMerge branch 'typing'
Alexander Popov [Mon, 13 May 2024 23:49:45 +0000 (02:49 +0300)]
Merge branch 'typing'

Refers to #121

6 months agoCI: Put mypy into a separate workflow and add some useful arguments 121/head
Alexander Popov [Mon, 13 May 2024 23:26:36 +0000 (02:26 +0300)]
CI: Put mypy into a separate workflow and add some useful arguments

6 months agoIntroduce ResultType and improve static typing in test_engine.py
Alexander Popov [Mon, 13 May 2024 23:17:21 +0000 (02:17 +0300)]
Introduce ResultType and improve static typing in test_engine.py

6 months agoImprove the VersionCheck static typing
Alexander Popov [Mon, 13 May 2024 23:10:36 +0000 (02:10 +0300)]
Improve the VersionCheck static typing

6 months agoImprove typing and drop the unused **kwargs in the KconfigCheck constructor
Alexander Popov [Mon, 13 May 2024 22:12:17 +0000 (01:12 +0300)]
Improve typing and drop the unused **kwargs in the KconfigCheck constructor

6 months agoImprove _open() to avoid mypy and pylint warnings
Alexander Popov [Mon, 13 May 2024 22:09:48 +0000 (01:09 +0300)]
Improve _open() to avoid mypy and pylint warnings

No untyped *args and **kwargs.
Explicit encoding.

Nice!

6 months agoCI: Check static typing with mypy during the functional test
Alexander Popov [Mon, 13 May 2024 17:06:16 +0000 (20:06 +0300)]
CI: Check static typing with mypy during the functional test

6 months agoStyle fixes for engine import
Alexander Popov [Mon, 13 May 2024 16:40:54 +0000 (19:40 +0300)]
Style fixes for engine import

6 months agoUse dict instead of OrderedDict
Alexander Popov [Mon, 13 May 2024 16:03:19 +0000 (19:03 +0300)]
Use dict instead of OrderedDict

Changed in Python version 3.7:
Dictionary order is guaranteed to be insertion order.

This makes the code simpler and faster.

6 months agoAdd more typing annotations to test_engine.py
Alexander Popov [Mon, 13 May 2024 15:52:39 +0000 (18:52 +0300)]
Add more typing annotations to test_engine.py

Annotate all functions to enable mypy checking for them.

6 months agoFix mypy typing warnings for ChecklistObjType
Alexander Popov [Mon, 13 May 2024 15:16:37 +0000 (18:16 +0300)]
Fix mypy typing warnings for ChecklistObjType

6 months agoAdd more precise typing for checklist: List[ChecklistObjType]
Alexander Popov [Mon, 13 May 2024 15:12:35 +0000 (18:12 +0300)]
Add more precise typing for checklist: List[ChecklistObjType]

6 months agoFix assertion style
Alexander Popov [Mon, 13 May 2024 13:26:42 +0000 (16:26 +0300)]
Fix assertion style

Make assertions look similarly.

6 months agoFix mypy typing warnings in engine.py
Alexander Popov [Sun, 12 May 2024 23:27:07 +0000 (02:27 +0300)]
Fix mypy typing warnings in engine.py

6 months agoAdd more typing annotations to engine.py
Alexander Popov [Mon, 13 May 2024 12:07:08 +0000 (15:07 +0300)]
Add more typing annotations to engine.py

Annotate all functions to enable mypy checking for them.

6 months agoMove print_unknown_options() to engine.py
Alexander Popov [Mon, 13 May 2024 11:57:26 +0000 (14:57 +0300)]
Move print_unknown_options() to engine.py

That is better for specifying typing.

6 months agoAdd more precise typing for OrderedDict
Alexander Popov [Sun, 12 May 2024 20:13:57 +0000 (23:13 +0300)]
Add more precise typing for OrderedDict

6 months agoAdd more typing annotations to checks.py
Alexander Popov [Sun, 12 May 2024 16:20:33 +0000 (19:20 +0300)]
Add more typing annotations to checks.py

Annotate all functions to enable mypy checking for them.

6 months agoMake the static typing work for Python v3.8
Alexander Popov [Sun, 12 May 2024 16:15:23 +0000 (19:15 +0300)]
Make the static typing work for Python v3.8

Kind of hackish :)

6 months agoFix mypy typing warnings in __init__.py
Alexander Popov [Sun, 12 May 2024 15:31:23 +0000 (18:31 +0300)]
Fix mypy typing warnings in __init__.py

6 months agoAdd more typing annotations to __init__.py
Alexander Popov [Sun, 12 May 2024 15:29:25 +0000 (18:29 +0300)]
Add more typing annotations to __init__.py

Annotate all functions to enable mypy checking for them.

6 months agoFix pylint warnings in _open
Alexander Popov [Sun, 12 May 2024 15:21:44 +0000 (18:21 +0300)]
Fix pylint warnings in _open