diff --git a/tools/testing/selftests/bpf/progs/verifier_iterating_callbacks.c b/tools/testing/selftests/bpf/progs/verifier_iterating_callbacks.c index 75dd922e4e9f..1fbcc5228306 100644 --- a/tools/testing/selftests/bpf/progs/verifier_iterating_callbacks.c +++ b/tools/testing/selftests/bpf/progs/verifier_iterating_callbacks.c @@ -168,6 +168,23 @@ static int iter_limit_cb(__u32 idx, struct num_context *ctx) return 0; } +SEC("?raw_tp") +__failure __msg("R1 type=ctx expected=scalar") +__naked void bpf_loop_reject_pointer(void) +{ + asm volatile ( + "r2 = %[iter_limit_cb];" + "r3 = 0;" + "r4 = 0;" + "call %[bpf_loop];" + "exit;" + : + : __imm_ptr(iter_limit_cb), + __imm(bpf_loop) + : __clobber_common + ); +} + SEC("?raw_tp") __success int bpf_loop_iter_limit_ok(void *unused)