From e4d05028a07f505a08802a6d1b11674c149df2b3 Mon Sep 17 00:00:00 2001 From: Kees Cook Date: Fri, 10 Jul 2020 10:29:41 -0700 Subject: [PATCH] selftests/seccomp: Set NNP for TSYNC ESRCH flag test The TSYNC ESRCH flag test will fail for regular users because NNP was not set yet. Add NNP setting. Fixes: 51891498f2da ("seccomp: allow TSYNC and USER_NOTIF together") Cc: stable@vger.kernel.org Reviewed-by: Tycho Andersen Signed-off-by: Kees Cook --- tools/testing/selftests/seccomp/seccomp_bpf.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/tools/testing/selftests/seccomp/seccomp_bpf.c b/tools/testing/selftests/seccomp/seccomp_bpf.c index 80223113f3e3..c8f93edc52cc 100644 --- a/tools/testing/selftests/seccomp/seccomp_bpf.c +++ b/tools/testing/selftests/seccomp/seccomp_bpf.c @@ -3262,6 +3262,11 @@ TEST(user_notification_with_tsync) int ret; unsigned int flags; + ret = prctl(PR_SET_NO_NEW_PRIVS, 1, 0, 0, 0); + ASSERT_EQ(0, ret) { + TH_LOG("Kernel does not support PR_SET_NO_NEW_PRIVS!"); + } + /* these were exclusive */ flags = SECCOMP_FILTER_FLAG_NEW_LISTENER | SECCOMP_FILTER_FLAG_TSYNC; -- 2.20.1