Re: [PATCH v2] bpf: Add length check for SK_DIAG_BPF_STORAGE_REQ_MAP_FD parsing

[Lin Ma]

Hello Leon,

> 
> My concern is related to maintainability in long run. Your check adds
> another layer of cabal knowledge which will be copied/pasted in other
> places.
> 
> Thanks
> 

Yeah, I guess you are right. I guess I should not just *fix* this issue
but also think of the maintainability. The very first idea pop into my
mind is to complete the necessary nla_policy hence the invalid nlattrs
could be rejected at the very first place.

Will spend more time on this.

Regards
Lin