[PATCH v1 0/1] Enable Landlock by default

Tim Gardner tim.gardner at canonical.com
Tue Dec 7 12:43:37 UTC 2021


I assume this patch is destined for Jammy (22.04) ?

Dropped landlock at lists.linux.dev

rtg

On 12/3/21 11:52 AM, Mickaël Salaün wrote:
> Hi,
> 
> The Landlock security feature is built in Ubuntu kernel since 5.13 which
> is great!  However, it is not enough to enable the
> CONFIG_SECURITY_LANDLOCK option as described in the related help.  The
> CONFIG_LSM option needs to be prepended by "landlock," to make Landlock
> system calls available without modifying the kernel boot arguments.
> 
> Could you please apply the attached patch to make this feature more
> broadly available?
> 
> This can be validated with the tests provided by the kernel sources:
> 
> fakeroot make -C tools/testing/selftests TARGETS=landlock gen_tar
> tar -xf
> tools/testing/selftests/kselftest_install/kselftest-packages/kselftest.tar.gz
> # as root:
> ./run_kselftest.sh
> 
> If Yama is enabled, half of the ptrace tests may failed, which is OK.
> 
> Regards,
> 
> Mickaël Salaün (1):
>    UBUNTU: [Config] Enable Landlock by default
> 
>   debian.master/config/config.common.ubuntu | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> 
> base-commit: 86d5f4d4ce66d96657de67b735dacb25b8ab8a1b
> 

-- 
-----------
Tim Gardner
Canonical, Inc



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