| 1 | // SPDX-License-Identifier: GPL-2.0 |
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| 2 | /* Copyright (c) 2022 Meta Platforms, Inc. and affiliates. */ |
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| 3 | |
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| 4 | #include <vmlinux.h> |
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| 5 | #include <bpf/bpf_tracing.h> |
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| 6 | #include <bpf/bpf_helpers.h> |
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| 7 | #include <bpf/bpf_core_read.h> |
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| 8 | #include "bpf_experimental.h" |
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| 9 | |
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| 10 | /* BTF load should fail as bpf_rb_root __contains this type and points to |
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| 11 | * 'node', but 'node' is not a bpf_rb_node |
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| 12 | */ |
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| 13 | struct node_data { |
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| 14 | int key; |
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| 15 | int data; |
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| 16 | struct bpf_list_node node; |
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| 17 | }; |
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| 18 | |
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| 19 | #define private(name) SEC(".data." #name) __hidden __attribute__((aligned(8))) |
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| 20 | private(A) struct bpf_spin_lock glock; |
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| 21 | private(A) struct bpf_rb_root groot __contains(node_data, node); |
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| 22 | |
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| 23 | SEC("tc" ) |
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| 24 | long rbtree_api_add__wrong_node_type(void *ctx) |
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| 25 | { |
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| 26 | struct node_data *n; |
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| 27 | |
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| 28 | n = bpf_obj_new(typeof(*n)); |
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| 29 | if (!n) |
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| 30 | return 1; |
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| 31 | |
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| 32 | bpf_spin_lock(&glock); |
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| 33 | bpf_rbtree_first(&groot); |
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| 34 | bpf_spin_unlock(&glock); |
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| 35 | return 0; |
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| 36 | } |
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| 37 | |
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| 38 | char _license[] SEC("license" ) = "GPL" ; |
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| 39 | |
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