Re: BPF: RCU use-after-reallocation of hash table elements?

From: Jann Horn
Date: Wed Oct 03 2018 - 13:18:37 EST


On Wed, Oct 3, 2018 at 7:05 PM Alexei Starovoitov
<alexei.starovoitov@xxxxxxxxx> wrote:
> On Wed, Oct 03, 2018 at 06:15:08PM +0200, Jann Horn wrote:
> > Hi!
> >
> > Note: I haven't tested any of this; feel free to tell me that I've
> > completely misunderstood how all this works.
> >
> > The BPF manpage, at the moment, states about BPF hash tables:
>
> unfortunately man pages have been obsolete for long time.
> the only doc that is mostly up to date is
> http://docs.cilium.io/en/latest/bpf/

Oh. If you're not updating the manpage, could you at least put a
reference to that other documentation in the manpage?