diff options
Diffstat (limited to 'tools/testing')
| -rw-r--r-- | tools/testing/selftests/bpf/progs/verifier_unpriv.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/progs/verifier_unpriv.c b/tools/testing/selftests/bpf/progs/verifier_unpriv.c index 42de5cff7e52..3069e70fbcbd 100644 --- a/tools/testing/selftests/bpf/progs/verifier_unpriv.c +++ b/tools/testing/selftests/bpf/progs/verifier_unpriv.c @@ -96,6 +96,24 @@ __naked void pseudo_btf_id_log_masks_address(void) : __clobber_all); } +static int pseudo_func_callback(__u32 index, void *ctx) +{ + return 0; +} + +SEC("socket") +__description("unpriv: pseudo function policy diagnostic") +__success __failure_unpriv +__msg_unpriv("loading/calling other bpf or kernel functions") +__not_msg_unpriv("BPF-to-BPF function call") +__msg_unpriv("policy check failed for BPF function reference") +__msg_unpriv("avoid BPF function references in unprivileged") +int unpriv_pseudo_func_policy(void *ctx) +{ + bpf_loop(1, pseudo_func_callback, NULL, 0); + return 0; +} + SEC("socket") __description("unpriv: return pointer") __success __failure_unpriv __msg_unpriv("R0 leaks addr") |