[PATCH bpf] bpf: Add missing BPF_LINK_TYPE invocations

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Pengfei Xu reported [1] Syzkaller/KASAN issue found in bpf_link_show_fdinfo.

The reason is missing BPF_LINK_TYPE invocation for uprobe multi
link and for several other links, adding that.

[1] https://lore.kernel.org/bpf/ZXptoKRSLspnk2ie@xxxxxxxxxxxxxxxx/

Fixes: 89ae89f53d20 ("bpf: Add multi uprobe link")
Fixes: e420bed02507 ("bpf: Add fd-based tcx multi-prog infra with link support")
Fixes: 84601d6ee68a ("bpf: add bpf_link support for BPF_NETFILTER programs")
Fixes: 35dfaad7188c ("netkit, bpf: Add bpf programmable net device")
Reported-by: Pengfei Xu <pengfei.xu@xxxxxxxxx>
Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx>
---
 include/linux/bpf_types.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/linux/bpf_types.h b/include/linux/bpf_types.h
index fc0d6f32c687..38cbdaec6bdf 100644
--- a/include/linux/bpf_types.h
+++ b/include/linux/bpf_types.h
@@ -148,3 +148,7 @@ BPF_LINK_TYPE(BPF_LINK_TYPE_PERF_EVENT, perf)
 #endif
 BPF_LINK_TYPE(BPF_LINK_TYPE_KPROBE_MULTI, kprobe_multi)
 BPF_LINK_TYPE(BPF_LINK_TYPE_STRUCT_OPS, struct_ops)
+BPF_LINK_TYPE(BPF_LINK_TYPE_NETFILTER, netfilter)
+BPF_LINK_TYPE(BPF_LINK_TYPE_TCX, tcx)
+BPF_LINK_TYPE(BPF_LINK_TYPE_UPROBE_MULTI, uprobe_multi)
+BPF_LINK_TYPE(BPF_LINK_TYPE_NETKIT, netkit)
-- 
2.43.0





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