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1cd0e7715c
Add a new selftest to check the PTR_UNTRUSTED condition. Below is the result, #160 ptr_untrusted:OK Signed-off-by: Yafang Shao <laoar.shao@gmail.com> Link: https://lore.kernel.org/r/20230713025642.27477-5-laoar.shao@gmail.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
36 lines
990 B
C
36 lines
990 B
C
// SPDX-License-Identifier: GPL-2.0
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/* Copyright (C) 2023 Yafang Shao <laoar.shao@gmail.com> */
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#include <string.h>
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#include <linux/bpf.h>
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#include <test_progs.h>
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#include "test_ptr_untrusted.skel.h"
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#define TP_NAME "sched_switch"
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void serial_test_ptr_untrusted(void)
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{
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struct test_ptr_untrusted *skel;
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int err;
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skel = test_ptr_untrusted__open_and_load();
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if (!ASSERT_OK_PTR(skel, "skel_open"))
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goto cleanup;
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/* First, attach lsm prog */
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skel->links.lsm_run = bpf_program__attach_lsm(skel->progs.lsm_run);
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if (!ASSERT_OK_PTR(skel->links.lsm_run, "lsm_attach"))
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goto cleanup;
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/* Second, attach raw_tp prog. The lsm prog will be triggered. */
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skel->links.raw_tp_run = bpf_program__attach_raw_tracepoint(skel->progs.raw_tp_run,
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TP_NAME);
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if (!ASSERT_OK_PTR(skel->links.raw_tp_run, "raw_tp_attach"))
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goto cleanup;
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err = strncmp(skel->bss->tp_name, TP_NAME, strlen(TP_NAME));
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ASSERT_EQ(err, 0, "cmp_tp_name");
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cleanup:
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test_ptr_untrusted__destroy(skel);
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}
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