On Mon 07-04-25 11:54:23, Christian Brauner wrote:
> Test that anonymous inodes cannot be open()ed.
>
> Signed-off-by: Christian Brauner <brauner@xxxxxxxxxx>
Looks good. Feel free to add:
Reviewed-by: Jan Kara <jack@xxxxxxx>
Honza
> ---
> tools/testing/selftests/filesystems/anon_inode_test.c | 17 +++++++++++++++++
> 1 file changed, 17 insertions(+)
>
> diff --git a/tools/testing/selftests/filesystems/anon_inode_test.c b/tools/testing/selftests/filesystems/anon_inode_test.c
> index 486496252ddd..e8e0ef1460d2 100644
> --- a/tools/testing/selftests/filesystems/anon_inode_test.c
> +++ b/tools/testing/selftests/filesystems/anon_inode_test.c
> @@ -48,5 +48,22 @@ TEST(anon_inode_no_exec)
> EXPECT_EQ(close(fd_context), 0);
> }
>
> +TEST(anon_inode_no_open)
> +{
> + int fd_context;
> +
> + fd_context = sys_fsopen("tmpfs", 0);
> + ASSERT_GE(fd_context, 0);
> +
> + ASSERT_GE(dup2(fd_context, 500), 0);
> + ASSERT_EQ(close(fd_context), 0);
> + fd_context = 500;
> +
> + ASSERT_LT(open("/proc/self/fd/500", 0), 0);
> + ASSERT_EQ(errno, ENXIO);
> +
> + EXPECT_EQ(close(fd_context), 0);
> +}
> +
> TEST_HARNESS_MAIN
>
>
> --
> 2.47.2
>
--
Jan Kara <jack@xxxxxxxx>
SUSE Labs, CR
