From mboxrd@z Thu Jan 1 00:00:00 1970 Reply-To: kernel-hardening@lists.openwall.com Sender: Vasiliy Kulikov Date: Wed, 6 Jul 2011 22:35:12 +0400 From: Vasiliy Kulikov Message-ID: <20110706183511.GA3299@albatros> References: <20110630135718.GA13406@albatros> <20110703180028.GA26742@albatros> <20110704115523.GA11252@albatros> <20110705142659.GA18290@peqn> <20110705145033.GA3052@albatros> <20110705155755.GB14784@peqn> <20110705174200.GC6102@albatros> <20110706163140.GA24949@peqn> <20110706165732.GA4820@albatros> <20110706180831.GA15379@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20110706180831.GA15379@redhat.com> Subject: Re: [kernel-hardening] Re: [PATCH] shm: handle separate PID namespaces case To: kernel-hardening@lists.openwall.com Cc: akpm@linux-foundation.org, daniel.lezcano@free.fr, ebiederm@xmission.com, mingo@elte.hu, rdunlap@xenotime.net, tj@kernel.org List-ID: On Wed, Jul 06, 2011 at 20:08 +0200, Oleg Nesterov wrote: > Cough. I stil think exit_shm() should check .in_use != 0 lockless. Give me a proof it is safe for all architectures :) -- Vasiliy Kulikov http://www.openwall.com - bringing security into open computing environments