On Wed, Sep 14, 2022 at 4:20 AM Lorenz Bauer <oss@xxxxxx> wrote: > > Hi, > > I think this patch is causing user-space breakage, see [0]. > > The gist is that we do BPF_PROG_RUN of a socket filter with 14 byte input to determine whether > BPF_PROG_RUN is available or not. I'll fix this in cilium/ebpf, but I think this patch > needs more work since users may be doing the same thing in their code. Ooops, sorry about that. Instead of rejecting len=0 data, we might accept the packet but add some safe header? I think that should be more backwards compatible? Zhengchao, something you can look into? > Thanks, > Lorenz > > 0: https://github.com/cilium/ebpf/pull/788
