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-rw-r--r--kernel/bpf/btf.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/kernel/bpf/btf.c b/kernel/bpf/btf.c
index a2cfba89a8e1..c490fbde22d4 100644
--- a/kernel/bpf/btf.c
+++ b/kernel/bpf/btf.c
@@ -3790,7 +3790,10 @@ bool btf_ctx_access(int off, int size, enum bpf_access_type type,
return true;
/* this is a pointer to another type */
- info->reg_type = PTR_TO_BTF_ID;
+ if (off != 0 && prog->aux->btf_id_or_null_non0_off)
+ info->reg_type = PTR_TO_BTF_ID_OR_NULL;
+ else
+ info->reg_type = PTR_TO_BTF_ID;
if (tgt_prog) {
ret = btf_translate_to_vmlinux(log, btf, t, tgt_prog->type, arg);