On Tue, Jun 2, 2020 at 7:58 AM Daniel Borkmann <daniel@xxxxxxxxxxxxx> wrote: > > This series fixes an issue originally reported by Lorenz Bauer where using > the bpf_skb_adjust_room() helper hid a checksum bug since it wasn't adjusting > CHECKSUM_UNNECESSARY's skb->csum_level after decap. The fix is two-fold: > i) We do a safe reset in bpf_skb_adjust_room() to CHECKSUM_NONE with an opt- > out flag BPF_F_ADJ_ROOM_NO_CSUM_RESET. > ii) We add a new bpf_csum_level() for the latter in order to allow users to > manually inc/dec the skb->csum_level when needed. > The series is rebased against latest bpf-next tree. It can be applied there, > or to bpf after the merge win sync from net-next. Applied. Thanks
