// SPDX-License-Identifier: GPL-2.0 /* Copyright (c) 2025 Microsoft */ #include <test_progs.h> #include "kfunc_call_test.skel.h" #include "kfunc_call_test.lskel.h" #include "test_kernel_flag.skel.h" void test_kernel_flag(void) { struct test_kernel_flag *lsm_skel; struct kfunc_call_test *skel = NULL; struct kfunc_call_test_lskel *lskel = NULL; int ret; lsm_skel = test_kernel_flag__open_and_load(); if (!ASSERT_OK_PTR(lsm_skel, "lsm_skel")) return; lsm_skel->bss->monitored_tid = sys_gettid(); ret = test_kernel_flag__attach(lsm_skel); if (!ASSERT_OK(ret, "test_kernel_flag__attach")) goto close_prog; /* Test with skel. This should pass the gatekeeper */ skel = kfunc_call_test__open_and_load(); if (!ASSERT_OK_PTR(skel, "skel")) goto close_prog; /* Test with lskel. This should fail due to blocking kernel-based bpf() invocations */ lskel = kfunc_call_test_lskel__open_and_load(); if (!ASSERT_ERR_PTR(lskel, "lskel")) goto close_prog; close_prog: if (skel) kfunc_call_test__destroy(skel); if (lskel) kfunc_call_test_lskel__destroy(lskel); lsm_skel->bss->monitored_tid = 0; test_kernel_flag__destroy(lsm_skel); }