From: "Konstantin Meskhidze (A)" <konstantin.meskhidze@huawei.com>
To: "Mickaël Salaün" <mic@digikod.net>
Cc: <willemdebruijn.kernel@gmail.com>, <gnoack3000@gmail.com>,
<linux-security-module@vger.kernel.org>, <netdev@vger.kernel.org>,
<netfilter-devel@vger.kernel.org>,
<anton.sirazetdinov@huawei.com>
Subject: Re: [PATCH v7 16/18] seltests/landlock: add invalid input data test
Date: Tue, 11 Oct 2022 10:55:34 +0300 [thread overview]
Message-ID: <4d97342e-0961-e691-40af-c007d02ea43c@huawei.com> (raw)
In-Reply-To: <b4b49d93-72a1-b7b4-68e4-2bd03034ee77@digikod.net>
10/10/2022 1:37 PM, Mickaël Salaün пишет:
>
> On 12/09/2022 19:22, Mickaël Salaün wrote:
>>
>> On 10/09/2022 22:51, Konstantin Meskhidze (A) wrote:
>>>
>>>
>>> 9/6/2022 11:09 AM, Mickaël Salaün пишет:
>>>>
>>>> On 29/08/2022 19:03, Konstantin Meskhidze wrote:
>>>>> This patch adds rules with invalid user space supplied data:
>>>>> - out of range ruleset attribute;
>>>>> - unhandled allowed access;
>>>>> - zero port value;
>>>>> - zero access value;
>>>>>
>>>>> Signed-off-by: Konstantin Meskhidze <konstantin.meskhidze@huawei.com>
>>>>> ---
>>>>>
>>>>> Changes since v6:
>>>>> * Adds invalid ruleset attribute test.
>>>>>
>>>>> Changes since v5:
>>>>> * Formats code with clang-format-14.
>>>>>
>>>>> Changes since v4:
>>>>> * Refactors code with self->port variable.
>>>>>
>>>>> Changes since v3:
>>>>> * Adds inval test.
>>>>>
>>>>> ---
>>>>> tools/testing/selftests/landlock/net_test.c | 66 ++++++++++++++++++++-
>>>>> 1 file changed, 65 insertions(+), 1 deletion(-)
>>>>>
>>>>> diff --git a/tools/testing/selftests/landlock/net_test.c b/tools/testing/selftests/landlock/net_test.c
>>>>> index a93224d1521b..067ba45f58a5 100644
>>>>> --- a/tools/testing/selftests/landlock/net_test.c
>>>>> +++ b/tools/testing/selftests/landlock/net_test.c
>>>>> @@ -26,9 +26,12 @@
>>>>>
>>>>> #define IP_ADDRESS "127.0.0.1"
>>>>>
>>>>> -/* Number pending connections queue to be hold */
>>>>> +/* Number pending connections queue to be hold. */
>>>>
>>>> Patch of a previous patch?
>>>>
>>>>
>>>>> #define BACKLOG 10
>>>>>
>>>>> +/* Invalid attribute, out of landlock network access range. */
>>>>> +#define LANDLOCK_INVAL_ATTR 7
>>>>> +
>>>>> FIXTURE(socket)
>>>>> {
>>>>> uint port[MAX_SOCKET_NUM];
>>>>> @@ -719,4 +722,65 @@ TEST_F(socket, ruleset_expanding)
>>>>> /* Closes socket 1. */
>>>>> ASSERT_EQ(0, close(sockfd_1));
>>>>> }
>>>>> +
>>>>> +TEST_F(socket, inval)
>>>>> +{
>>>>> + struct landlock_ruleset_attr ruleset_attr = {
>>>>> + .handled_access_net = LANDLOCK_ACCESS_NET_BIND_TCP
>>>>> + };
>>>>> + struct landlock_ruleset_attr ruleset_attr_inval = {
>>>>> + .handled_access_net = LANDLOCK_INVAL_ATTR
>>>>
>>>> Please add a test similar to TEST_F_FORK(layout1,
>>>> file_and_dir_access_rights) instead of explicitly defining and only
>>>> testing LANDLOCK_INVAL_ATTR.
>>>>
>>> Do you want fs test to be in this commit or maybe its better to add
>>> it into "[PATCH v7 01/18] landlock: rename access mask" one.
>
> Just to make it clear, I didn't suggested an FS test, but a new network
> test similar to layout1.file_and_dir_access_rights but only related to
> the network. It should replace/extend the content of this patch (16/18).
>
Ok. I will check out out "layout1.file_and_dir_access_rights" one.
But anyway we need some test like TEST_F_FORK(layout1, with_net) and
TEST_F_FORK(socket, with_fs) with mixed attributes as you suggested.
>
>>
>> You can squash all the new tests patches (except the "move helper
>> function").
> You should move most of your patch descriptions in a comment above the
> related tests. The commit message should list all the new tests and
> quickly explain which part of the kernel is covered (i.e. mostly the TCP
> part of Landlock). You can get some inspiration from
> https://git.kernel.org/mic/c/f4056b9266b571c63f30cda70c2d89f7b7e8bb7b
>
> You need to rebase on top of my next branch (from today).
Ok. Thank you. Sorry for the delay - I was under the snow with
Business Trip to China preparings. So I've got out of 10 days quarantine
now and continued working.
> .
next prev parent reply other threads:[~2022-10-11 7:55 UTC|newest]
Thread overview: 64+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-29 17:03 [PATCH v7 00/18] Network support for Landlock Konstantin Meskhidze
2022-08-29 17:03 ` [PATCH v7 01/18] landlock: rename access mask Konstantin Meskhidze
2022-09-06 8:06 ` Mickaël Salaün
2022-09-09 10:42 ` Konstantin Meskhidze (A)
2022-09-12 17:16 ` Mickaël Salaün
2022-08-29 17:03 ` [PATCH v7 02/18] landlock: refactor landlock_find_rule/insert_rule Konstantin Meskhidze
2022-09-06 8:07 ` Mickaël Salaün
2022-09-09 10:48 ` Konstantin Meskhidze (A)
2022-09-12 17:17 ` Mickaël Salaün
2022-10-12 8:37 ` Konstantin Meskhidze (A)
2022-10-12 10:06 ` Mickaël Salaün
2022-10-12 11:13 ` Konstantin Meskhidze (A)
2022-08-29 17:03 ` [PATCH v7 03/18] landlock: refactor merge/inherit_ruleset functions Konstantin Meskhidze
2022-09-06 8:07 ` Mickaël Salaün
2022-09-09 14:53 ` Konstantin Meskhidze (A)
2022-09-12 17:17 ` Mickaël Salaün
2022-08-29 17:03 ` [PATCH v7 04/18] landlock: move helper functions Konstantin Meskhidze
2022-09-06 8:07 ` Mickaël Salaün
2022-09-10 16:50 ` Konstantin Meskhidze (A)
2022-08-29 17:03 ` [PATCH v7 05/18] landlock: refactor " Konstantin Meskhidze
2022-09-06 8:07 ` Mickaël Salaün
2022-09-10 17:20 ` Konstantin Meskhidze (A)
2022-09-12 17:18 ` Mickaël Salaün
2022-08-29 17:03 ` [PATCH v7 06/18] landlock: refactor landlock_add_rule syscall Konstantin Meskhidze
2022-08-29 17:03 ` [PATCH v7 07/18] landlock: user space API network support Konstantin Meskhidze
2022-09-06 8:08 ` Mickaël Salaün
2022-09-10 17:25 ` Konstantin Meskhidze (A)
2022-08-29 17:03 ` [PATCH v7 08/18] landlock: add network rules support Konstantin Meskhidze
2022-09-06 8:08 ` Mickaël Salaün
2022-09-10 18:27 ` Konstantin Meskhidze (A)
2022-09-12 17:18 ` Mickaël Salaün
2022-08-29 17:03 ` [PATCH v7 09/18] landlock: implement TCP network hooks Konstantin Meskhidze
2022-09-06 8:08 ` Mickaël Salaün
2022-09-10 20:28 ` Konstantin Meskhidze (A)
2022-09-12 17:18 ` Mickaël Salaün
2022-08-29 17:03 ` [PATCH v7 10/18] seltests/landlock: move helper function Konstantin Meskhidze
2022-09-06 8:09 ` Mickaël Salaün
2022-09-10 20:29 ` Konstantin Meskhidze (A)
2022-08-29 17:03 ` [PATCH v7 11/18] seltests/landlock: add tests for bind() hooks Konstantin Meskhidze
2022-09-06 8:09 ` Mickaël Salaün
2022-09-10 20:47 ` Konstantin Meskhidze (A)
2022-08-29 17:03 ` [PATCH v7 12/18] seltests/landlock: add tests for connect() hooks Konstantin Meskhidze
2022-08-29 17:03 ` [PATCH v7 13/18] seltests/landlock: add AF_UNSPEC family test Konstantin Meskhidze
2022-09-06 8:09 ` Mickaël Salaün
2022-09-10 20:48 ` Konstantin Meskhidze (A)
2022-08-29 17:03 ` [PATCH v7 14/18] seltests/landlock: add rules overlapping test Konstantin Meskhidze
2022-09-06 8:09 ` Mickaël Salaün
2022-09-10 20:49 ` Konstantin Meskhidze (A)
2022-08-29 17:03 ` [PATCH v7 15/18] seltests/landlock: add ruleset expanding test Konstantin Meskhidze
2022-08-29 17:03 ` [PATCH v7 16/18] seltests/landlock: add invalid input data test Konstantin Meskhidze
2022-09-06 8:09 ` Mickaël Salaün
2022-09-10 20:51 ` Konstantin Meskhidze (A)
2022-09-12 17:22 ` Mickaël Salaün
2022-10-10 10:37 ` Mickaël Salaün
2022-10-11 7:55 ` Konstantin Meskhidze (A) [this message]
2022-10-11 8:32 ` Mickaël Salaün
2022-08-29 17:04 ` [PATCH v7 17/18] samples/landlock: add network demo Konstantin Meskhidze
2022-09-06 8:10 ` Mickaël Salaün
2022-09-10 20:59 ` Konstantin Meskhidze (A)
2022-09-12 17:23 ` Mickaël Salaün
2022-08-29 17:04 ` [PATCH v7 18/18] landlock: Document Landlock's network support Konstantin Meskhidze
2022-09-06 8:12 ` Mickaël Salaün
2022-09-10 21:14 ` Konstantin Meskhidze (A)
2022-09-12 17:23 ` Mickaël Salaün
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