linux-kernel - Linux 5.6-rc1 kselftest build failures

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Date:   Tue, 11 Feb 2020 17:35:46 -0700
From:   shuah <shuah@...nel.org>
To:     linux-kselftest@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Dmitry Safonov <dima@...sta.com>,
        Aleksa Sarai <cyphar@...har.com>
Cc:     shuah <shuah@...nel.org>
Subject: Linux 5.6-rc1 kselftest build failures

The following tests fail to build on x86_64

openat2:

tools/testing/selftests/openat2'
gcc -Wall -O2 -g -fsanitize=address -fsanitize=undefined 
openat2_test.c helpers.c  -o tools/testing/selftests/openat2/openat2_test
In file included from /usr/include/fcntl.h:301,
                  from helpers.c:9:
In function ‘openat’,
     inlined from ‘touchat’ at helpers.c:49:11:
/usr/include/x86_64-linux-gnu/bits/fcntl2.h:126:4: error: call to 
‘__openat_missing_mode’ declared with attribute error: openat with 
O_CREAT or O_TMPFILE in third argument needs 4 arguments
   126 |    __openat_missing_mode ();
       |    ^~~~~~~~~~~~~~~~~~~~~~~~

timerns:

tools/testing/selftests/timens'
gcc -Wall -Werror -pthread  -lrt -ldl  timens.c  -o 
tools/testing/selftests/timens/timens
/usr/bin/ld: /tmp/ccGy5CST.o: in function `check_config_posix_timers':
timens.c:(.text+0x65a): undefined reference to `timer_create'
collect2: error: ld returned 1 exit status

thanks,
-- Shuah