bpf: Add missing BPF_LINK_TYPE invocations
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@xpf.sh.intel.com/ Fixes: 89ae89f5 ("bpf: Add multi uprobe link") Fixes: e420bed0 ("bpf: Add fd-based tcx multi-prog infra with link support") Fixes: 84601d6e ("bpf: add bpf_link support for BPF_NETFILTER programs") Fixes: 35dfaad7 ("netkit, bpf: Add bpf programmable net device") Reported-by: Pengfei Xu <pengfei.xu@intel.com> Signed-off-by: Jiri Olsa <jolsa@kernel.org> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Tested-by: Pengfei Xu <pengfei.xu@intel.com> Acked-by: Hou Tao <houtao1@huawei.com> Link: https://lore.kernel.org/bpf/20231215230502.2769743-1-jolsa@kernel.org
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