[PATCH v14 03/12] selftests/landlock: Test IOCTL support
Mickaël Salaün
mic at digikod.net
Fri Apr 19 05:44:00 UTC 2024
On Fri, Apr 05, 2024 at 09:40:31PM +0000, Günther Noack wrote:
> Exercises Landlock's IOCTL feature in different combinations of
> handling and permitting the LANDLOCK_ACCESS_FS_IOCTL_DEV right, and in
> different combinations of using files and directories.
>
> Signed-off-by: Günther Noack <gnoack at google.com>
> ---
> tools/testing/selftests/landlock/fs_test.c | 227 ++++++++++++++++++++-
> 1 file changed, 224 insertions(+), 3 deletions(-)
>
> diff --git a/tools/testing/selftests/landlock/fs_test.c b/tools/testing/selftests/landlock/fs_test.c
> index 418ad745a5dd..8a72e26d4977 100644
> --- a/tools/testing/selftests/landlock/fs_test.c
> +++ b/tools/testing/selftests/landlock/fs_test.c
> @@ -3831,6 +3842,16 @@ TEST_F_FORK(ftruncate, open_and_ftruncate_in_different_processes)
> ASSERT_EQ(0, close(socket_fds[1]));
> }
>
> +/* Invokes the FS_IOC_GETFLAGS IOCTL and returns its errno or 0. */
> +static int test_fs_ioc_getflags_ioctl(int fd)
> +{
> + uint32_t flags;
> +
> + if (ioctl(fd, FS_IOC_GETFLAGS, &flags) < 0)
> + return errno;
> + return 0;
> +}
test_fs_ioc_getflags_ioctl() should be moved to the next patch where it
is used.
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