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Message-ID: <de9fd04b-8da9-b03b-b278-5437c67b15eb@digikod.net> Date: Mon, 19 Jun 2023 20:23:23 +0200 From: Mickaël Salaün <mic@...ikod.net> To: "Konstantin Meskhidze (A)" <konstantin.meskhidze@...wei.com> 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 On 19/06/2023 16:28, Konstantin Meskhidze (A) wrote: > > > 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? Yes, you can Cc me and send emails to syzkaller@...glegroups.com: https://groups.google.com/g/syzkaller >> >> >>> >>> 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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