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authorJiri Olsa <jolsa@kernel.org>2023-12-16 00:05:02 +0100
committerAndrii Nakryiko <andrii@kernel.org>2023-12-15 16:34:12 -0800
commit117211aa739a926e6555cfea883be84bee6f1695 (patch)
treee08e8f3efb34dec198c2549985e1a22fcf40a689 /include
parent2f2fee2bf74a7e31d06fc6cb7ba2bd4dd7753c99 (diff)
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: 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@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
Diffstat (limited to 'include')
-rw-r--r--include/linux/bpf_types.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/bpf_types.h b/include/linux/bpf_types.h
index fc0d6f32c687..94baced5a1ad 100644
--- a/include/linux/bpf_types.h
+++ b/include/linux/bpf_types.h
@@ -142,9 +142,13 @@ BPF_LINK_TYPE(BPF_LINK_TYPE_ITER, iter)
#ifdef CONFIG_NET
BPF_LINK_TYPE(BPF_LINK_TYPE_NETNS, netns)
BPF_LINK_TYPE(BPF_LINK_TYPE_XDP, xdp)
+BPF_LINK_TYPE(BPF_LINK_TYPE_NETFILTER, netfilter)
+BPF_LINK_TYPE(BPF_LINK_TYPE_TCX, tcx)
+BPF_LINK_TYPE(BPF_LINK_TYPE_NETKIT, netkit)
#endif
#ifdef CONFIG_PERF_EVENTS
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_UPROBE_MULTI, uprobe_multi)