On Mon, Oct 30, 2023 at 10:35:59AM +0100, Jiri Pirko wrote: > Hi BPF :) > > I'm trying to use bpf_dynptr_from_skb() kfunc in my program. I compiled > it with having following declaration in the bpf .c file: > extern int bpf_dynptr_from_skb(struct __sk_buff *skb, __u64 flags, > struct bpf_dynptr *ptr__uninit) __ksym; > > I have all "BPF/BTF" kernel config options on. During load, > I'm still getting: > > libbpf: failed to find BTF for extern 'bpf_dynptr_from_skb': -3 heya, error -3 suggests there's no BTF generated, is there .BTF section in the object ? did you compile with -g ? jirka > > I'm pretty much clueless about what may be wrong. Documentation didn't > help me either :/ > > Any idea what I may be doing wrong? > > Thanks > > Jiri >
