e60e6962c5
This patch adds tests that bpf_ktime_get_coarse_ns(), bpf_timer_* and bpf_spin_lock()/bpf_spin_unlock() helpers are forbidden in tracing progs as their use there may result in various locking issues. Signed-off-by: Dmitrii Banshchikov <me@ubique.spb.ru> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/20211113142227.566439-3-me@ubique.spb.ru
34 lines
787 B
C
34 lines
787 B
C
// SPDX-License-Identifier: GPL-2.0
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#include <test_progs.h>
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#include "test_helper_restricted.skel.h"
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void test_helper_restricted(void)
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{
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int prog_i = 0, prog_cnt;
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int duration = 0;
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do {
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struct test_helper_restricted *test;
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int maybeOK;
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test = test_helper_restricted__open();
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if (!ASSERT_OK_PTR(test, "open"))
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return;
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prog_cnt = test->skeleton->prog_cnt;
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for (int j = 0; j < prog_cnt; ++j) {
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struct bpf_program *prog = *test->skeleton->progs[j].prog;
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maybeOK = bpf_program__set_autoload(prog, prog_i == j);
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ASSERT_OK(maybeOK, "set autoload");
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}
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maybeOK = test_helper_restricted__load(test);
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CHECK(!maybeOK, test->skeleton->progs[prog_i].name, "helper isn't restricted");
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test_helper_restricted__destroy(test);
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} while (++prog_i < prog_cnt);
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}
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