Re: [RFC][PATCH] security: split ptrace checking in proc

[Chris Wright <chrisw@sous-sol.org>]

* Stephen Smalley (sds@tycho.nsa.gov) wrote:
> What do you mean by "generic" in the above?  Just the fact that there
> wouldn't be any distinction between such access and access to a
> descriptor received explicitly via local IPC from the target task?

Basically, yeah.

> Ok, so perhaps the only distinction that makes sense is read vs.
> write/control, with all checks within proc except mem_write using the
> former and ptrace_attach and mem_write using the latter?

Yeah, that's what I was wondering, because maps seems to fall into the
readstate category as much as fd/ does (probably fdinfo/ is closer to
maps).

thanks,
-chris