diff options
Diffstat (limited to 'tools/testing/selftests/bpf/progs/test_kfunc_dynptr_param.c')
| -rw-r--r-- | tools/testing/selftests/bpf/progs/test_kfunc_dynptr_param.c | 16 |
1 files changed, 5 insertions, 11 deletions
diff --git a/tools/testing/selftests/bpf/progs/test_kfunc_dynptr_param.c b/tools/testing/selftests/bpf/progs/test_kfunc_dynptr_param.c index 061befb004c2..bf48fc43c7ab 100644 --- a/tools/testing/selftests/bpf/progs/test_kfunc_dynptr_param.c +++ b/tools/testing/selftests/bpf/progs/test_kfunc_dynptr_param.c @@ -11,12 +11,7 @@ #include <bpf/bpf_helpers.h> #include <bpf/bpf_tracing.h> #include "bpf_misc.h" - -extern struct bpf_key *bpf_lookup_system_key(__u64 id) __ksym; -extern void bpf_key_put(struct bpf_key *key) __ksym; -extern int bpf_verify_pkcs7_signature(struct bpf_dynptr *data_ptr, - struct bpf_dynptr *sig_ptr, - struct bpf_key *trusted_keyring) __ksym; +#include "bpf_kfuncs.h" struct { __uint(type, BPF_MAP_TYPE_RINGBUF); @@ -38,20 +33,19 @@ SEC("?lsm.s/bpf") __failure __msg("cannot pass in dynptr at an offset=-8") int BPF_PROG(not_valid_dynptr, int cmd, union bpf_attr *attr, unsigned int size, bool kernel) { - unsigned long val; + unsigned long val = 0; return bpf_verify_pkcs7_signature((struct bpf_dynptr *)&val, (struct bpf_dynptr *)&val, NULL); } SEC("?lsm.s/bpf") -__failure __msg("arg#0 expected pointer to stack or const struct bpf_dynptr") +__failure __msg("R1 expected pointer to stack or const struct bpf_dynptr") int BPF_PROG(not_ptr_to_stack, int cmd, union bpf_attr *attr, unsigned int size, bool kernel) { - unsigned long val = 0; + static struct bpf_dynptr val; - return bpf_verify_pkcs7_signature((struct bpf_dynptr *)val, - (struct bpf_dynptr *)val, NULL); + return bpf_verify_pkcs7_signature(&val, &val, NULL); } SEC("lsm.s/bpf") |