From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755351Ab3LQSMu (ORCPT ); Tue, 17 Dec 2013 13:12:50 -0500 Received: from fw-tnat.austin.arm.com ([217.140.110.23]:58334 "EHLO highbank-bc01-b06.austin.arm.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1754991Ab3LQSMs (ORCPT ); Tue, 17 Dec 2013 13:12:48 -0500 Date: Tue, 17 Dec 2013 18:12:29 +0000 From: Catalin Marinas To: Konstantin Khlebnikov Cc: Will Deacon , "linux-kernel@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" Subject: Re: [PATCH 1/2] ARM64: check stack pointer in get_wchan Message-ID: <20131217181228.GT32118@arm.com> References: <20131205133010.16410.96824.stgit@buzz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20131205133010.16410.96824.stgit@buzz> User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Dec 05, 2013 at 01:30:10PM +0000, Konstantin Khlebnikov wrote: > get_wchan() is lockless. Task may wakeup at any time and change its own stack, > thus each next stack frame may be overwritten and filled with random stuff. > > Signed-off-by: Konstantin Khlebnikov Thanks. Applied (both patches). -- Catalin