From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Why does devices cgroup check for CAP_SYS_ADMIN explicitly? Date: Mon, 5 Nov 2012 18:38:45 -0800 Message-ID: <20121106023845.GI19354@mtj.dyndns.org> Mime-Version: 1.0 Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:date:from:to:cc:subject:message-id:mime-version:content-type :content-disposition:user-agent; bh=TI6h2GoVrVbDqmDjIoNS+TFhdhQDBJO35CdgM7v8huw=; b=hUEa5uCg0nTGkw4QmY0qv94k0ojQTsWvjkt350Y+6BJcMGH2AOXzV0SgfseEOnfO3B Qkklh8v/QBqI8aC93N8ezektU41Lw+5qy6F9c4knjQPm0AHPZKiHSDNcAFx6XShELZFQ wVhDuuaUkrKKoqjN7hEMEmCAV/rL7MHLJXQyuXHnwmQ9UGjiQ0m9o66E1FNJ2zqXyq3V 3nv9ip+Ma17RvKWf3GOxHt3nWTT5OQr/D5kR+ml6e0rB8l0GJAn/rwLEBDYKSR2DT/Bh hbvXvZg4+fRDSdx4tJPfskrf8f2Y55kiLEQP/WLGdX/hgKLUZI7V96vT8c0zxlwZI2gc PAPg== Content-Disposition: inline Sender: cgroups-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-ID: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Aristeu Rozanski , "Serge E. Hallyn" Cc: Li Zefan , containers-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Hello, guys. Why doesn't it follow the usual security enforced by cgroupfs permissions? Why is the explicit check necessary? Thanks. -- tejun