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[176.36.0.241]) by smtp.gmail.com with ESMTPSA id m1-20020a05600c4f4100b003ee1e07a14asm1428724wmq.45.2023.03.24.19.55.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 24 Mar 2023 19:55:59 -0700 (PDT) From: Eduard Zingerman To: bpf@vger.kernel.org, ast@kernel.org Cc: andrii@kernel.org, daniel@iogearbox.net, martin.lau@linux.dev, kernel-team@fb.com, yhs@fb.com, Eduard Zingerman Subject: [PATCH bpf-next 05/43] selftests/bpf: prog_tests entry point for migrated test_verifier tests Date: Sat, 25 Mar 2023 04:54:46 +0200 Message-Id: <20230325025524.144043-6-eddyz87@gmail.com> X-Mailer: git-send-email 2.40.0 In-Reply-To: <20230325025524.144043-1-eddyz87@gmail.com> References: <20230325025524.144043-1-eddyz87@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org prog_tests/verifier.c would be used as a host for verifier/*.c tests migrated to use inline assembly and run from test_progs. The run_test_aux() function mimics the test_verifier behavior dropping CAP_SYS_ADMIN upon entry. Signed-off-by: Eduard Zingerman --- .../selftests/bpf/prog_tests/verifier.c | 29 +++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 tools/testing/selftests/bpf/prog_tests/verifier.c diff --git a/tools/testing/selftests/bpf/prog_tests/verifier.c b/tools/testing/selftests/bpf/prog_tests/verifier.c new file mode 100644 index 000000000000..aa63f5d84d97 --- /dev/null +++ b/tools/testing/selftests/bpf/prog_tests/verifier.c @@ -0,0 +1,29 @@ +// SPDX-License-Identifier: GPL-2.0-only + +#include + +#include "cap_helpers.h" + +__maybe_unused +static void run_tests_aux(const char *skel_name, skel_elf_bytes_fn elf_bytes_factory) +{ + struct test_loader tester = {}; + __u64 old_caps; + int err; + + /* test_verifier tests are executed w/o CAP_SYS_ADMIN, do the same here */ + err = cap_disable_effective(1ULL << CAP_SYS_ADMIN, &old_caps); + if (err) { + PRINT_FAIL("failed to drop CAP_SYS_ADMIN: %i, %s\n", err, strerror(err)); + return; + } + + test_loader__run_subtests(&tester, skel_name, elf_bytes_factory); + test_loader_fini(&tester); + + err = cap_enable_effective(old_caps, NULL); + if (err) + PRINT_FAIL("failed to restore CAP_SYS_ADMIN: %i, %s\n", err, strerror(err)); +} + +#define RUN(skel) run_tests_aux(#skel, skel##__elf_bytes) -- 2.40.0