On Thu, Jun 2, 2022 at 6:52 PM Martin KaFai Lau <kafai@xxxxxx> wrote: > > On Wed, Jun 01, 2022 at 12:02:18PM -0700, Stanislav Fomichev wrote: > > sk_priority & sk_mark are writable, the rest is readonly. > > > > One interesting thing here is that the verifier doesn't > > really force me to add NULL checks anywhere :-/ > Are you aware if it is possible to get a NULL sk from some of the > bpf_lsm hooks ? No, I don't think it's relevant for lsm hooks. I'm more concerned about fentry/fexit which supposedly should go through the same verifier path and can be attached everywhere?
