>On Thu, Jan 11, 2024 at 02:34:08AM +0000, Huyadi wrote:
>>
>> ->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?
>>
>> gcc 7.3 / glibc-2.28/ kernel 4.19/ OpenEulor20.03
>
>These are old versions. You should mention in the commit message which version of glibc added gettid().>
Ok, I'll add it .
>>
>> >>
>> >> 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,
>
>Can you just cast mnt_tmp? It exists to avoid such duplicate code.
I tried to add cast, but it is not effective. what's more, all FIXTURE_VARIANT_ADD declaration under tools/testing are assigned with constant,
So, current solution looks fine to me, what's your option?
>
>> >> + .mnt = {
>> >> + .type = "tmpfs",
>> >> + .data = "size=4m,mode=700",
>> >
>> >When applying this patch we get: "space before tab in indent"
>>
>> Sorry for inconvenient, I'll resend it v2 after checkpatch.pl shows no error.
>>
>> >> + },
>> >> .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/87129ef13603ae46c82bcd09eed948acf0506
>> >dbb
>
>Can you please add a getpid() helper like for renameat2() in this commit?>
Thanks your warm instruction, I'll do it and send patch soon.
>Also, all Landlock-related code is formatted with clang-format. You can do it with clang-format -i tools/testing/selftests/landlock/*.[ch]
>
>>
>> Got it, I'll resend it v2 including the fix
>>
>> >> index);
>> >> srv->unix_addr_len = SUN_LEN(&srv->unix_addr);
>> >> srv->unix_addr.sun_path[0] = '\0';
>> >> --
>> >> 2.23.0
>> >>
>> >>
>>
>>
