Messages in this thread | | | From | Alexei Starovoitov <> | Date | Fri, 3 Dec 2021 14:20:28 -0800 | Subject | Re: [PATCH bpf-next 0/3] bpf: add signature |
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On Fri, Dec 3, 2021 at 2:06 PM Luca Boccassi <bluca@debian.org> wrote: > > On Fri, 2021-12-03 at 11:37 -0800, Alexei Starovoitov wrote: > > On Fri, Dec 3, 2021 at 11:36 AM Matteo Croce > > <mcroce@linux.microsoft.com> wrote: > > > > > > On Fri, Dec 3, 2021 at 8:22 PM Alexei Starovoitov > > > <alexei.starovoitov@gmail.com> wrote: > > > > > > > > On Fri, Dec 3, 2021 at 11:18 AM Matteo Croce > > > > <mcroce@linux.microsoft.com> wrote: > > > > > > > > > > From: Matteo Croce <mcroce@microsoft.com> > > > > > > > > > > This series add signature verification for BPF files. > > > > > The first patch implements the signature validation in the > > > > > kernel, > > > > > the second patch optionally makes the signature mandatory, > > > > > the third adds signature generation to bpftool. > > > > > > > > Matteo, > > > > > > > > I think I already mentioned that it's no-go as-is. > > > > We've agreed to go with John's suggestion. > > > > > > Hi, > > > > > > my previous attempt was loading a whole ELF file and parsing it in > > > kernel. > > > In this series I just validate the instructions against a > > > signature, > > > as with kernel CO-RE libbpf doesn't need to mangle it. > > > > > > Which suggestion? I think I missed this one.. > > > > This talk and discussion: > > https://linuxplumbersconf.org/event/11/contributions/947/ > > Thanks for the link - but for those of us who don't have ~5 hours to > watch a video recording, would you mind sharing a one line summary, > please? Is there an alternative patch series implementing BPF signing > that you can link us so that we can look at it? Just a link or > googlable reference would be more than enough.
It's not 5 hours and you have to read slides and watch John's presentation to follow the conversation.
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