Re: [PATCH net-next 1/3] bpf: introduce current->pid, tgid, uid, gid, comm accessors

From	Alexei Starovoitov <ast@plumgrid.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH net-next 1/3] bpf: introduce current->pid, tgid, uid, gid, comm accessors
Date	2015-06-13 01:40 +0200
Message-ID	<pAGIi-3SR-9@gated-at.bofh.it> (permalink)
References	(2 earlier) <pAFjb-1QJ-9@gated-at.bofh.it> <pAFVU-2AR-15@gated-at.bofh.it> <pAG5A-2Mo-3@gated-at.bofh.it> <pAGyB-3E6-11@gated-at.bofh.it> <pAGyC-3E6-15@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On 6/12/15 4:25 PM, Andy Lutomirski wrote:
> It's a dangerous tool.  Also, shouldn't the returned uid match the
> namespace of the task that installed the probe, not the task that's
> being probed?

so leaking info to unprivileged apps is the concern?
The whole thing is for root only as you know.
The non-root is still far away. Today root needs to see the whole
kernel. That was the goal from the beginning.

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Thread

Re: [PATCH net-next 1/3] bpf: introduce current->pid, tgid, uid,  gid, comm accessors Alexei Starovoitov <ast@plumgrid.com> - 2015-06-13 01:30 +0200
  Re: [PATCH net-next 1/3] bpf: introduce current->pid, tgid, uid, gid,  comm accessors Andy Lutomirski <luto@amacapital.net> - 2015-06-13 01:30 +0200
    Re: [PATCH net-next 1/3] bpf: introduce current->pid, tgid, uid,  gid, comm accessors Alexei Starovoitov <ast@plumgrid.com> - 2015-06-13 01:40 +0200
      Re: [PATCH net-next 1/3] bpf: introduce current->pid, tgid, uid, gid,  comm accessors Andy Lutomirski <luto@amacapital.net> - 2015-06-13 01:50 +0200
        Re: [PATCH net-next 1/3] bpf: introduce current->pid, tgid, uid,  gid, comm accessors Alexei Starovoitov <ast@plumgrid.com> - 2015-06-13 02:00 +0200
          Re: [PATCH net-next 1/3] bpf: introduce current->pid, tgid, uid, gid,  comm accessors Andy Lutomirski <luto@amacapital.net> - 2015-06-13 02:10 +0200
            Re: [PATCH net-next 1/3] bpf: introduce current->pid, tgid, uid,  gid, comm accessors Alexei Starovoitov <ast@plumgrid.com> - 2015-06-13 02:20 +0200
              Re: [PATCH net-next 1/3] bpf: introduce current->pid, tgid, uid,  gid, comm accessors Alexei Starovoitov <ast@plumgrid.com> - 2015-06-13 02:30 +0200
              Re: [PATCH net-next 1/3] bpf: introduce current->pid, tgid, uid, gid,  comm accessors Andy Lutomirski <luto@amacapital.net> - 2015-06-13 02:30 +0200

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