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[2a0c:4d80:42:443::2]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-486eb33ee8bsm270102f8f.15.2026.09.10.11.32.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 10 Sep 2026 11:32:29 -0700 (PDT) Received: by alrua-x1.borgediget.toke.dk (Postfix, from userid 1000) id 8A4759B97EC; Thu, 10 Sep 2026 20:32:28 +0200 (CEST) From: =?UTF-8?q?Toke=20H=C3=B8iland-J=C3=B8rgensen?= To: linux-kernel@vger.kernel.org Cc: =?UTF-8?q?Toke=20H=C3=B8iland-J=C3=B8rgensen?= , Ihor Solodrai , Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Eduard Zingerman , Kumar Kartikeya Dwivedi , Martin KaFai Lau , Song Liu , Yonghong Song , Jiri Olsa , Emil Tsalapatis , Shuah Khan , bpf@vger.kernel.org Subject: [PATCH bpf-next v2 2/4] selftests/bpf: Add assertions for bpf_program__{add,clear}_flags() Date: Thu, 10 Sep 2026 20:32:15 +0200 Message-ID: <20260910183222.307208-2-toke@redhat.com> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260910183222.307208-1-toke@redhat.com> References: <20260910183222.307208-1-toke@redhat.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Add assertions that round-tripping through bpf_program__add_flags() and bpf_program__clear_flags() ends up with the original flags value. Arbitrarily add these to the kernel_flag test prog since that's where we're already checking for the bpf_program__flags() value (and the test name contains "flag"). Acked-by: Ihor Solodrai Signed-off-by: Toke Høiland-Jørgensen --- .../selftests/bpf/prog_tests/kernel_flag.c | 20 +++++++++++++++++-- 1 file changed, 18 insertions(+), 2 deletions(-) diff --git a/tools/testing/selftests/bpf/prog_tests/kernel_flag.c b/tools/testing/selftests/bpf/prog_tests/kernel_flag.c index 25eb59f460ab..72c0ef8da409 100644 --- a/tools/testing/selftests/bpf/prog_tests/kernel_flag.c +++ b/tools/testing/selftests/bpf/prog_tests/kernel_flag.c @@ -10,15 +10,31 @@ void test_kernel_flag(void) struct test_kernel_flag *lsm_skel; struct kfunc_call_test *skel = NULL; struct kfunc_call_test_lskel *lskel = NULL; + struct bpf_program *prog; + __u32 flags; int ret; - lsm_skel = test_kernel_flag__open_and_load(); + lsm_skel = test_kernel_flag__open(); if (!ASSERT_OK_PTR(lsm_skel, "lsm_skel")) return; - ASSERT_EQ(bpf_program__flags(lsm_skel->progs.bpf) & BPF_F_SLEEPABLE, + prog = lsm_skel->progs.bpf; + flags = bpf_program__flags(prog); + ASSERT_EQ(flags & BPF_F_SLEEPABLE, BPF_F_SLEEPABLE, "sleepable in program flags"); + ret = bpf_program__add_flags(prog, BPF_F_ANY_ALIGNMENT); + ASSERT_OK(ret, "bpf_program__add_flags ret"); + ASSERT_EQ(bpf_program__flags(prog), flags | BPF_F_ANY_ALIGNMENT, + "bpf_program__add_flags value"); + + ret = bpf_program__clear_flags(prog, BPF_F_ANY_ALIGNMENT); + ASSERT_OK(ret, "bpf_program__clear_flags ret"); + ASSERT_EQ(bpf_program__flags(prog), flags, "bpf_program__clear_flags value"); + + ret = test_kernel_flag__load(lsm_skel); + ASSERT_OK(ret, "test_kernel_flag__load"); + lsm_skel->bss->monitored_tid = sys_gettid(); ret = test_kernel_flag__attach(lsm_skel); -- 2.55.0