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bpf: allow to specify log level and reduce it for test_verifier

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For the test_verifier case, it's quite hard to parse log level 2 to
figure out what's causing an issue when used to log level 1. We do
want to use bpf_verify_program() in order to simulate some of the
tests with strict alignment. So just add an argument to pass the level
and put it to 1 for test_verifier.

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Daniel Borkmann
2017-07-21 00:00:22 +02:00
committed by David S. Miller
parent 4cabc5b186
commit d655490417
4 changed files with 5 additions and 5 deletions
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2
tools/testing/selftests/bpf/test_align.c
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@@ -380,7 +380,7 @@ static int do_test_single(struct bpf_align_test *test)
prog_len = probe_filter_length(prog);
fd_prog = bpf_verify_program(prog_type ? : BPF_PROG_TYPE_SOCKET_FILTER,
prog, prog_len, 1, "GPL", 0,
bpf_vlog, sizeof(bpf_vlog));
bpf_vlog, sizeof(bpf_vlog), 2);
if (fd_prog < 0) {
printf("Failed to load program.\n");
printf("%s", bpf_vlog);

2
tools/testing/selftests/bpf/test_verifier.c
View File

@@ -5633,7 +5633,7 @@ static void do_test_single(struct bpf_test *test, bool unpriv,
fd_prog = bpf_verify_program(prog_type ? : BPF_PROG_TYPE_SOCKET_FILTER,
prog, prog_len, test->flags & F_LOAD_WITH_STRICT_ALIGNMENT,
"GPL", 0, bpf_vlog, sizeof(bpf_vlog));
"GPL", 0, bpf_vlog, sizeof(bpf_vlog), 1);
expected_ret = unpriv && test->result_unpriv != UNDEF ?
test->result_unpriv : test->result;