Messages in this thread | | | From | Toke Høiland-Jørgensen <> | Subject | Re: [PATCH bpf-next v3 0/4] bpf: verifier: use target program's type for access verifications | Date | Wed, 26 Aug 2020 11:26:11 +0200 |
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Udip Pant <udippant@fb.com> writes:
> This patch series adds changes in verifier to make decisions such as granting > of read / write access or enforcement of return code status based on > the program type of the target program while using dynamic program > extension (of type BPF_PROG_TYPE_EXT). > > The BPF_PROG_TYPE_EXT type can be used to extend types such as XDP, SKB > and others. Since the BPF_PROG_TYPE_EXT program type on itself is just a > placeholder for those, we need this extended check for those extended > programs to actually work with proper access, while using this option. > > Patch #1 includes changes in the verifier. > Patch #2 adds selftests to verify write access on a packet for a valid > extension program type > Patch #3 adds selftests to verify proper check for the return code > Patch #4 adds selftests to ensure access permissions and restrictions > for some map types such sockmap.
Thanks for fixing this!
For the series: Acked-by: Toke Høiland-Jørgensen <toke@redhat.com>
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