[PATCH v11 00/12] Network support for Landlock

[Konstantin Meskhidze (A)]

6/6/2023 12:40 PM, Mickaël Salaün пишет:
> 
> On 06/06/2023 11:10, Konstantin Meskhidze (A) wrote:
>> 
>> 
>> 6/5/2023 6:02 PM, Mickaël Salaün пишет:
>>> Hi Konstantin,
>>>
>>> The kernel code looks good. I found some issues in tests and
>>> documentation, and I'm still reviewing the whole patches. In the
>>> meantime, I've pushed it in -next, we'll see how it goes.
>>>
>>> We need to have this new code covered by syzkaller. I'll work on that
>>> unless you want to.
>>>
>>> Regards,
>>>     Mickaël
>>>
>>     Hi, Mickaël!
>>     I have never set up syzkaller. Do you have a syzkaller scenario for
>> Landlock code? I need some hints. I will give it a shot.
> 
> You can get a look at https://github.com/google/syzkaller/pull/3423 or
> other Landlock-related PR.
> 
> The setup might be a bit challenging though, but it will be a good
> investment for future kernel changes.

   Thanks. I will handle it. Can you give me a hand with some tips if I 
have issues with syzkaller setup?
> 
> 
>> 
>>    Regards,
>>       Konstantin.
>>>
>>> On 15/05/2023 18:13, Konstantin Meskhidze wrote:
>>>> Hi,
>>>> This is a new V11 patch related to Landlock LSM network confinement.
>>>> It is based on the landlock's -next branch on top of v6.2-rc3+ kernel version:
>>>> https://git.kernel.org/pub/scm/linux/kernel/git/mic/linux.git/log/?h=next
>>>>
>>>> It brings refactoring of previous patch version V10.
>>>> Mostly there are fixes of logic and typos, refactoring some selftests.
>>>>
>>>> All test were run in QEMU evironment and compiled with
>>>>    -static flag.
>>>>    1. network_test: 36/36 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:
>>>> v10: https://lore.kernel.org/linux-security-module/20230323085226.1432550-1-konstantin.meskhidze@huawei.com/
>>>> v9: https://lore.kernel.org/linux-security-module/20230116085818.165539-1-konstantin.meskhidze@huawei.com/
>>>> v8: https://lore.kernel.org/linux-security-module/20221021152644.155136-1-konstantin.meskhidze@huawei.com/
>>>> 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 (11):
>>>>     landlock: Make ruleset's access masks more generic
>>>>     landlock: Refactor landlock_find_rule/insert_rule
>>>>     landlock: Refactor merge/inherit_ruleset functions
>>>>     landlock: Move and rename layer helpers
>>>>     landlock: Refactor layer helpers
>>>>     landlock: Refactor landlock_add_rule() syscall
>>>>     landlock: Add network rules and TCP hooks support
>>>>     selftests/landlock: Share enforce_ruleset()
>>>>     selftests/landlock: Add 11 new test suites dedicated to network
>>>>     samples/landlock: Add network demo
>>>>     landlock: Document Landlock's network support
>>>>
>>>> Mickaël Salaün (1):
>>>>     landlock: Allow filesystem layout changes for domains without such
>>>>       rule type
>>>>
>>>>    Documentation/userspace-api/landlock.rst     |   89 +-
>>>>    include/uapi/linux/landlock.h                |   48 +
>>>>    samples/landlock/sandboxer.c                 |  128 +-
>>>>    security/landlock/Kconfig                    |    1 +
>>>>    security/landlock/Makefile                   |    2 +
>>>>    security/landlock/fs.c                       |  232 +--
>>>>    security/landlock/limits.h                   |    7 +-
>>>>    security/landlock/net.c                      |  174 +++
>>>>    security/landlock/net.h                      |   26 +
>>>>    security/landlock/ruleset.c                  |  405 +++++-
>>>>    security/landlock/ruleset.h                  |  185 ++-
>>>>    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   |   74 +-
>>>>    tools/testing/selftests/landlock/net_test.c  | 1317 ++++++++++++++++++
>>>>    18 files changed, 2520 insertions(+), 349 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
>>>>
>>>> --
>>>> 2.25.1
>>>>
>>> .
> .