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Message-ID: <a1995119-48d1-6e5b-c6c7-d5f7a973ca1f@huawei.com> Date: Mon, 19 Jun 2023 17:28:39 +0300 From: "Konstantin Meskhidze (A)" <konstantin.meskhidze@...wei.com> To: Mickaël Salaün <mic@...ikod.net> CC: <willemdebruijn.kernel@...il.com>, <gnoack3000@...il.com>, <linux-security-module@...r.kernel.org>, <netdev@...r.kernel.org>, <netfilter-devel@...r.kernel.org>, <yusongping@...wei.com>, <artem.kuzin@...wei.com> Subject: Re: [PATCH v11 00/12] Network support for Landlock 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 >>>> >>> . > .
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