On Wed, Jan 10, 2024 at 03:08:54PM +0800, Hu Yadi wrote:
> From: "Hu.Yadi" <hu.yadi@xxxxxxx>
>
> Two issues comes up while building selftest/landlock:
>
> the first one is as to gettid
>
> net_test.c: In function ‘set_service’:
> net_test.c:91:45: warning: implicit declaration of function ‘gettid’; did you mean ‘getgid’? [-Wimplicit-function-declaration]
> "_selftests-landlock-net-tid%d-index%d", gettid(),
> ^~~~~~
> getgid
> net_test.c:(.text+0x4e0): undefined reference to `gettid'
>
> the second is compiler error
> gcc -Wall -O2 -isystem fs_test.c -lcap -o /home/linux/tools/testing/selftests/landlock/fs_test
> fs_test.c:4575:9: error: initializer element is not constant
> .mnt = mnt_tmp,
> ^~~~~~~
What is the version of GCC (and headers) and on which system (and
version) are you building these tests?
>
> this patch is to fix them
>
> Signed-off-by: Hu.Yadi <hu.yadi@xxxxxxx>
> Suggested-by: Jiao <jiaoxupo@xxxxxxx>
> Reviewed-by:Berlin <berlin@xxxxxxx>
> ---
> tools/testing/selftests/landlock/fs_test.c | 5 ++++-
> tools/testing/selftests/landlock/net_test.c | 3 +--
> 2 files changed, 5 insertions(+), 3 deletions(-)
>
> diff --git a/tools/testing/selftests/landlock/fs_test.c b/tools/testing/selftests/landlock/fs_test.c
> index 18e1f86a6234..93eb40a09073 100644
> --- a/tools/testing/selftests/landlock/fs_test.c
> +++ b/tools/testing/selftests/landlock/fs_test.c
> @@ -4572,7 +4572,10 @@ FIXTURE_VARIANT(layout3_fs)
> /* clang-format off */
> FIXTURE_VARIANT_ADD(layout3_fs, tmpfs) {
> /* clang-format on */
> - .mnt = mnt_tmp,
> + .mnt = {
> + .type = "tmpfs",
> + .data = "size=4m,mode=700",
When applying this patch we get: "space before tab in indent"
> + },
> .file_path = file1_s1d1,
> };
>
> diff --git a/tools/testing/selftests/landlock/net_test.c b/tools/testing/selftests/landlock/net_test.c
> index 929e21c4db05..8fb357de8c55 100644
> --- a/tools/testing/selftests/landlock/net_test.c
> +++ b/tools/testing/selftests/landlock/net_test.c
> @@ -18,7 +18,6 @@
> #include <sys/prctl.h>
> #include <sys/socket.h>
> #include <sys/un.h>
> -
> #include "common.h"
>
> const short sock_port_start = (1 << 10);
> @@ -88,7 +87,7 @@ static int set_service(struct service_fixture *const srv,
> case AF_UNIX:
> srv->unix_addr.sun_family = prot.domain;
> sprintf(srv->unix_addr.sun_path,
> - "_selftests-landlock-net-tid%d-index%d", gettid(),
> + "_selftests-landlock-net-tid%ld-index%d", syscall(SYS_gettid),
You sent another patch that "replace SYS_<syscall> with __NR_<syscall>".
Why not here?
Please follow the same approach:
https://git.kernel.org/stable/c/87129ef13603ae46c82bcd09eed948acf0506dbb
> index);
> srv->unix_addr_len = SUN_LEN(&srv->unix_addr);
> srv->unix_addr.sun_path[0] = '\0';
> --
> 2.23.0
>
>
