[PATCH v8 00/12] Network support for Landlock

[Konstantin Meskhidze <konstantin.meskhidze@huawei.com>]

Hi,
This is a new V8 patch related to Landlock LSM network confinement.
It is based on the landlock's -next branch on top of v6.1-rc1 kernel version:
https://git.kernel.org/pub/scm/linux/kernel/git/mic/linux.git/log/?h=next

It brings refactoring of previous patch version V7.
Mostly there are minor fixes of logic and typos.

All test were run in QEMU evironment and compiled with
 -static flag.
 1. network_test: 18/18 tests passed.
 2. base_test: 7/7 tests passed.
 3. fs_test: 78/78 tests passed.
 4. ptrace_test: 8/8 tests passed.

Previous versions:
v7: https://lore.kernel.org/linux-security-module/20220829170401.834298-1-konstantin.meskhidze@huawei.com/
v6: https://lore.kernel.org/linux-security-module/20220621082313.3330667-1-konstantin.meskhidze@huawei.com/
v5: https://lore.kernel.org/linux-security-module/20220516152038.39594-1-konstantin.meskhidze@huawei.com
v4: https://lore.kernel.org/linux-security-module/20220309134459.6448-1-konstantin.meskhidze@huawei.com/
v3: https://lore.kernel.org/linux-security-module/20220124080215.265538-1-konstantin.meskhidze@huawei.com/
v2: https://lore.kernel.org/linux-security-module/20211228115212.703084-1-konstantin.meskhidze@huawei.com/
v1: https://lore.kernel.org/linux-security-module/20211210072123.386713-1-konstantin.meskhidze@huawei.com/

Konstantin Meskhidze (12):
  landlock: Make ruleset's access masks more generic
  landlock: Refactor landlock_find_rule/insert_rule
  landlock: Refactor merge/inherit_ruleset functions
  landlock: Move unmask_layers() and init_layer_masks()
  landlock: Refactor unmask_layers() and init_layer_masks()
  landlock: Refactor landlock_add_rule() syscall
  landlock: Add network rules support
  landlock: Implement TCP network hooks
  selftests/landlock: Share enforce_ruleset()
  selftests/landlock: Add 10 new test suites dedicated to network
  samples/landlock: Add network demo
  landlock: Document Landlock's network support

 Documentation/userspace-api/landlock.rst     |  72 +-
 include/uapi/linux/landlock.h                |  49 ++
 samples/landlock/sandboxer.c                 | 129 ++-
 security/landlock/Kconfig                    |   1 +
 security/landlock/Makefile                   |   2 +
 security/landlock/fs.c                       | 168 +---
 security/landlock/limits.h                   |   7 +-
 security/landlock/net.c                      | 164 ++++
 security/landlock/net.h                      |  26 +
 security/landlock/ruleset.c                  | 412 ++++++++--
 security/landlock/ruleset.h                  | 176 +++-
 security/landlock/setup.c                    |   2 +
 security/landlock/syscalls.c                 | 163 ++--
 tools/testing/selftests/landlock/base_test.c |   2 +-
 tools/testing/selftests/landlock/common.h    |  10 +
 tools/testing/selftests/landlock/config      |   4 +
 tools/testing/selftests/landlock/fs_test.c   |  75 +-
 tools/testing/selftests/landlock/net_test.c  | 823 +++++++++++++++++++
 18 files changed, 1972 insertions(+), 313 deletions(-)
 create mode 100644 security/landlock/net.c
 create mode 100644 security/landlock/net.h
 create mode 100644 tools/testing/selftests/landlock/net_test.c

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2.25.1