From: Daniel Mack
> >> +
> >> + struct { /* anonymous struct used by BPF_PROG_ATTACH/DETACH commands */
> >> + __u32 target_fd; /* container object to attach
> >> to */
> >> + __u32 attach_bpf_fd; /* eBPF program to attach */
> >> + __u32 attach_type; /* BPF_ATTACH_TYPE_* */
> >> + __u64 attach_flags;
> >> + };
> >
> > there is a 4 byte hole in this struct. Can we pack it differently?
>
> Okay - I swapped "type" and "flags" to repair this.
That just moves the pad to the end of the structure.
Still likely to cause a problem for 32bit apps on a 64bit kernel.
If you can't think of any flags, why 64 of them?
David
