[CRIU] [PATCH 4/5] fown: test -- Update file_own_dead to test O_PATH case

[Andrey Vagin]

On Fri, Dec 07, 2018 at 03:29:47PM +0300, Cyrill Gorcunov wrote:
> Signed-off-by: Cyrill Gorcunov <gorcunov at gmail.com>
> ---
>  test/zdtm/static/Makefile         |  2 +-
>  test/zdtm/static/file_fown_dead.c | 19 +++++++++++++++++++
>  2 files changed, 20 insertions(+), 1 deletion(-)
> 
> diff --git a/test/zdtm/static/Makefile b/test/zdtm/static/Makefile
> index ab20c61b3574..2d7bd9c7bc5b 100644
> --- a/test/zdtm/static/Makefile
> +++ b/test/zdtm/static/Makefile
> @@ -119,7 +119,6 @@ TST_NOFILE	:=				\
>  		groups				\
>  		pdeath_sig			\
>  		file_fown			\
> -		file_fown_dead			\
>  		proc-self			\
>  		eventfs00			\
>  		epoll				\
> @@ -279,6 +278,7 @@ TST_FILE	=				\
>  		netns-nf			\
>  		maps_file_prot			\
>  		socket_close_data01		\
> +		file_fown_dead			\
>  
>  TST_DIR		=				\
>  		cwd00				\
> diff --git a/test/zdtm/static/file_fown_dead.c b/test/zdtm/static/file_fown_dead.c
> index 3a99bc729f51..92c6d0ad9dc7 100644
> --- a/test/zdtm/static/file_fown_dead.c
> +++ b/test/zdtm/static/file_fown_dead.c
> @@ -22,6 +22,9 @@
>  const char *test_doc	= "Check for restore with dead file owners";
>  const char *test_author	= "Cyrill Gorcunov <gorcunov at openvz.org>";
>  
> +char *filename;
> +TEST_OPTION(filename, string, "file name", 1);
> +
>  struct params {
>  	int	sigio;
>  	int	pipe_flags[2];
> @@ -81,9 +84,23 @@ int main(int argc, char *argv[])
>  	uid_t ruid, euid, suid;
>  	int status, pipes[2];
>  	pid_t pid;
> +	int fd;
>  
>  	test_init(argc, argv);
>  
> +	fd = open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_EXCL, 0644);
> +	if (fd < 0) {
> +		pr_perror("Can't create %s", filename);
> +		exit(1);
> +	}
> +	close(fd);
> +
> +	fd = open(filename, O_PATH, 0644);

Could you create another test for O_PATH?

> +	if (fd < 0) {
> +		pr_perror("Can't open %s as O_PATH", filename);
> +		exit(1);
> +	}
> +
>  	shared = (void *)mmap(NULL, 4096, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANONYMOUS, -1, 0);
>  	if ((void *)shared == MAP_FAILED) {
>  		fail("mmap failed");
> @@ -187,6 +204,8 @@ int main(int argc, char *argv[])
>  		exit(1);
>  	}
>  
> +	close(fd);
> +
>  	pass();
>  	return 0;
>  }
> -- 
> 2.17.2
>