[iovisor-dev] minutes: IO Visor TSC/Dev Meeting

2017-02-08 Thread Brenden Blanco via iovisor-dev
IO Visor summit coming, please prepare abstracts if you have something to discuss === Conferences === netdev conf coming up, talks needed Jesper - performance workshop DDoS topic idea: reach out to nic vendors who support xdp - future xdp direction idea: dpdk work idea: specifically, xdp ring

[iovisor-dev] bpf invalid stack off=-528

2017-02-08 Thread William Tu via iovisor-dev
Hi, I have a program which I use around at most 300byte of local stack as below. The largest struct is the "struct Headers" which is around 80 byte. However, when loading into the verifier, it says 393: (7b) *(u64 *)(r10 -56) = r1 394: (05) goto pc+56 451: (7b) *(u64 *)(r10 -528) = r0 invalid