On Tue, 2 Oct 2018 at 20:19, Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote: > > Hi all, > > After merging the bpf-next tree, today's linux-next build (x86_64 > allmodconfig) failed like this: > > x86_64-linux-gnu-ld: net/core/filter.o: in function `sk_lookup': > (.text+0x19219): undefined reference to `__udp6_lib_lookup' > > Caused by commit > > 6acc9b432e67 ("bpf: Add helper to retrieve socket in BPF") > > I assume that __udp6_lib_lookup ended up in the IPv6 module. > > I used the bpf-next tree from next-20181002 for today. My mistake, will send out a fix shortly. Cheers, Joe