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| author | Eduard Zingerman <eddyz87@gmail.com> | 2023-03-25 04:54:46 +0200 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2023-03-25 17:02:02 -0700 |
| commit | 55108621a35e42f773de5d4b20cf7a14d6d53503 (patch) | |
| tree | 4fef08a44c347e3788962af894c235e41f45046d | |
| parent | 19a8e06f5f9155caf1a5577a0f7969eee13d0cbb (diff) | |
| download | bpf-55108621a35e42f773de5d4b20cf7a14d6d53503.tar.gz | |
selftests/bpf: prog_tests entry point for migrated test_verifier tests
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 <eddyz87@gmail.com>
Link: https://lore.kernel.org/r/20230325025524.144043-6-eddyz87@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
| -rw-r--r-- | tools/testing/selftests/bpf/prog_tests/verifier.c | 29 |
1 files changed, 29 insertions, 0 deletions
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 00000000000000..aa63f5d84d97a7 --- /dev/null +++ b/tools/testing/selftests/bpf/prog_tests/verifier.c @@ -0,0 +1,29 @@ +// SPDX-License-Identifier: GPL-2.0-only + +#include <test_progs.h> + +#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) |