diff options
| author | Ilya Leoshkevich <iii@linux.ibm.com> | 2023-01-28 01:06:28 +0100 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2023-01-28 12:30:08 -0800 |
| commit | 56e1a50483194b2e0ac54849e94cc2b80480895e (patch) | |
| tree | 80b6bdb7d75ceca93eb6a0764856ad916d38be26 /tools/testing/selftests/bpf/prog_tests/verify_pkcs7_sig.c | |
| parent | 98e13848cf43b66b0f32f10011aa398c2bff5ae6 (diff) | |
| download | linux-56e1a50483194b2e0ac54849e94cc2b80480895e.tar.gz linux-56e1a50483194b2e0ac54849e94cc2b80480895e.tar.bz2 linux-56e1a50483194b2e0ac54849e94cc2b80480895e.zip | |
selftests/bpf: Fix verify_pkcs7_sig on s390x
Use bpf_probe_read_kernel() instead of bpf_probe_read(), which is not
defined on all architectures.
While at it, improve the error handling: do not hide the verifier log,
and check the return values of bpf_probe_read_kernel() and
bpf_copy_from_user().
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Link: https://lore.kernel.org/r/20230128000650.1516334-10-iii@linux.ibm.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'tools/testing/selftests/bpf/prog_tests/verify_pkcs7_sig.c')
| -rw-r--r-- | tools/testing/selftests/bpf/prog_tests/verify_pkcs7_sig.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/verify_pkcs7_sig.c b/tools/testing/selftests/bpf/prog_tests/verify_pkcs7_sig.c index 579d6ee83ce0..dd7f2bc70048 100644 --- a/tools/testing/selftests/bpf/prog_tests/verify_pkcs7_sig.c +++ b/tools/testing/selftests/bpf/prog_tests/verify_pkcs7_sig.c @@ -61,6 +61,9 @@ static bool kfunc_not_supported; static int libbpf_print_cb(enum libbpf_print_level level, const char *fmt, va_list args) { + if (level == LIBBPF_WARN) + vprintf(fmt, args); + if (strcmp(fmt, "libbpf: extern (func ksym) '%s': not found in kernel or module BTFs\n")) return 0; |