Re: [PATCH] proc: make proc_fd_permission() thread-friendly

[Linus Torvalds]

On Mon, Aug 26, 2013 at 10:54 AM, Oleg Nesterov <oleg@xxxxxxxxxx> wrote:
> proc_fd_permission() says "process can still access /proc/self/fd
> after it has executed a setuid()", but the "task_pid() = proc_pid()
> check only helps if the task is group leader, /proc/self points to
> /proc/leader-pid.

Patch looks ok to me, but since this has never worked and nobody has
actually complained, I can't really convince myself that this is
critical.

So I'm not going to apply it for 3.11, and it had better wait for the
next merge window.

                 Linus
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