1 // SPDX-License-Identifier: GPL-2.0 2 3 #include <test_progs.h> 4 #include "bad_struct_ops.skel.h" 5 #include "bad_struct_ops2.skel.h" 6 7 static void invalid_prog_reuse(void) 8 { 9 struct bad_struct_ops *skel; 10 char *log = NULL; 11 int err; 12 13 skel = bad_struct_ops__open(); 14 if (!ASSERT_OK_PTR(skel, "bad_struct_ops__open")) 15 return; 16 17 if (start_libbpf_log_capture()) 18 goto cleanup; 19 20 err = bad_struct_ops__load(skel); 21 log = stop_libbpf_log_capture(); 22 ASSERT_ERR(err, "bad_struct_ops__load should fail"); 23 ASSERT_HAS_SUBSTR(log, 24 "struct_ops init_kern testmod_2 func ptr test_1: invalid reuse of prog test_1", 25 "expected init_kern message"); 26 27 cleanup: 28 free(log); 29 bad_struct_ops__destroy(skel); 30 } 31 32 static void unused_program(void) 33 { 34 struct bad_struct_ops2 *skel; 35 char *log = NULL; 36 int err; 37 38 skel = bad_struct_ops2__open(); 39 if (!ASSERT_OK_PTR(skel, "bad_struct_ops2__open")) 40 return; 41 42 /* struct_ops programs not referenced from any maps are open 43 * with autoload set to true. 44 */ 45 ASSERT_TRUE(bpf_program__autoload(skel->progs.foo), "foo autoload == true"); 46 47 if (start_libbpf_log_capture()) 48 goto cleanup; 49 50 err = bad_struct_ops2__load(skel); 51 ASSERT_ERR(err, "bad_struct_ops2__load should fail"); 52 log = stop_libbpf_log_capture(); 53 ASSERT_HAS_SUBSTR(log, "prog 'foo': failed to load", 54 "message about 'foo' failing to load"); 55 56 cleanup: 57 free(log); 58 bad_struct_ops2__destroy(skel); 59 } 60 61 void test_bad_struct_ops(void) 62 { 63 if (test__start_subtest("invalid_prog_reuse")) 64 invalid_prog_reuse(); 65 if (test__start_subtest("unused_program")) 66 unused_program(); 67 } 68