Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1638264

Re: [PATCH] key: Convert big_key payload.data to struct

From Kees Cook <keescook@chromium.org>
Newsgroups linux.kernel
Subject Re: [PATCH] key: Convert big_key payload.data to struct
Date 2017-05-09 18:20 +0200
Message-ID <tFg1I-45Y-29@gated-at.bofh.it> (permalink)
References <tEYHw-Wn-19@gated-at.bofh.it> <tEZ0S-1js-11@gated-at.bofh.it> <tEZke-1sP-7@gated-at.bofh.it> <tF8xb-7xS-7@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


On Tue, May 9, 2017 at 1:11 AM, David Howells <dhowells@redhat.com> wrote:
> Kees Cook <keescook@chromium.org> wrote:
>
>> This doesn't protect you against changes in struct path size,
>> though... the existing code (and this proposal) will break if that
>> ever happens...
>
> True - in which case you should kmalloc() it as Eric suggests.
>
>> What's the problem with defining the types at the top level? That
>> seems like a nice place to see them all at once.
>
> It means adding a bunch of dependencies to linux/key.h and union key_payload.
>
> Have you considered why we don't just put all the definitions for all the
> filesystems in linux/fs.h?  By this logic it would seem like a nice place to
> see them all at once.

I've seen other things that want to share a structure use embedded
structures, etc. I'll see if there is something else to be done, but
just cleaning up the casts alone makes the big_key code so much more
readable. :P

-Kees

-- 
Kees Cook
Pixel Security

Back to linux.kernel | Previous | NextPrevious in thread | Next in thread | Find similar | Unroll thread


Thread

[PATCH] key: Convert big_key payload.data to struct Kees Cook <keescook@chromium.org> - 2017-05-08 23:50 +0200
  Re: [PATCH] key: Convert big_key payload.data to struct David Howells <dhowells@redhat.com> - 2017-05-09 00:10 +0200
    Re: [PATCH] key: Convert big_key payload.data to struct Kees Cook <keescook@chromium.org> - 2017-05-09 00:30 +0200
      Re: [PATCH] key: Convert big_key payload.data to struct David Howells <dhowells@redhat.com> - 2017-05-09 10:20 +0200
        Re: [PATCH] key: Convert big_key payload.data to struct Kees Cook <keescook@chromium.org> - 2017-05-09 18:20 +0200
    Re: [PATCH] key: Convert big_key payload.data to struct Eric Biggers <ebiggers3@gmail.com> - 2017-05-09 00:30 +0200
      Re: [PATCH] key: Convert big_key payload.data to struct David Howells <dhowells@redhat.com> - 2017-05-09 09:30 +0200
        Re: [PATCH] key: Convert big_key payload.data to struct Eric Biggers <ebiggers3@gmail.com> - 2017-05-09 23:50 +0200

csiph-web