| // SPDX-License-Identifier: GPL-2.0 |
| /* Copyright (c) 2022 Meta Platforms, Inc. and affiliates. */ |
| |
| #include <vmlinux.h> |
| #include <bpf/bpf_tracing.h> |
| #include <bpf/bpf_helpers.h> |
| #include <bpf/bpf_core_read.h> |
| #include "bpf_experimental.h" |
| |
| /* BTF load should fail as bpf_rb_root __contains this type and points to |
| * 'node', but 'node' is not a bpf_rb_node |
| */ |
| struct node_data { |
| int key; |
| int data; |
| struct bpf_list_node node; |
| }; |
| |
| #define private(name) SEC(".data." #name) __hidden __attribute__((aligned(8))) |
| private(A) struct bpf_spin_lock glock; |
| private(A) struct bpf_rb_root groot __contains(node_data, node); |
| |
| SEC("tc") |
| long rbtree_api_add__wrong_node_type(void *ctx) |
| { |
| struct node_data *n; |
| |
| n = bpf_obj_new(typeof(*n)); |
| if (!n) |
| return 1; |
| |
| bpf_spin_lock(&glock); |
| bpf_rbtree_first(&groot); |
| bpf_spin_unlock(&glock); |
| return 0; |
| } |
| |
| char _license[] SEC("license") = "GPL"; |