Received: by 2002:a25:e74b:0:0:0:0:0 with SMTP id e72csp1864763ybh; Fri, 17 Jul 2020 03:20:06 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwCGYvxQ2Qf0Q7jf2QZLysleNGbli+JRNe4G/MiABs8cjwjSKBr5blGn0I0EcJJb89R5A8u X-Received: by 2002:a17:906:f202:: with SMTP id gt2mr7794703ejb.70.1594981206548; Fri, 17 Jul 2020 03:20:06 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1594981206; cv=none; d=google.com; s=arc-20160816; b=R8W8zItnNYfOudOX/L50g0JH3ouSzSeKHMnjts8CX72WlLCjHGP+zgdLFBRLGMZK4J z72OIRbnZOVz5fzMvRkc1e0CNdm9QEY8ikwM5PX3ykT1a3XdeA6DeMVb5L386f3rLH1b HsXzNmdBWeU5Ju6z6qA4JAcatOu+KL9X+SQ/7oTRmqVbDvGL9TAPxast07EEjfY+NJHU H9dn2NHGrR1+yl/hwdeijSWFjFROxPkHf05zfTYDl8Z96T6lmkISjfOR9S9hFxu6cWDV yg27DX/QDT+5VMhvlZI/wSkbhAxN16BMq924tkrX1jBvtWQgMhwFkU1xIDRNtxY8iFfC /8aw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:dkim-signature; bh=UOSt48aO65gwAUB2x+iP6NI41YTkFaT/oMyZi4pbRB0=; b=GfUTNDwiQNyCfXohIL8ZH4I5b3lbyZIPQF9yIMjD+AGOMgMOEdBUOupNmG3tMTXB4D wIbq4IOMt+9lBYR6hSkIj13s8Y8NNyM3CleVZI+H16fv7MsVupoOHxsoCvGqGppqE1Io tO5d/SfIjurKseqlTXkJmf1mId5Iv/54B0IKaBSEpUiKZI+MT3MPWVc2GYTG3UGCWZ4b +0IHT35/dB/Rvfh4KUQ40XnOTSNqW4e4AxtmikiDDMbWXmUfcCgJegd2ixQs2mcRn2E6 KnNXcArJHRfgcPsfnbNExVZu1M81SKPzK2CJm8JzJ+m73UJ923+R1VDgm8FEfMRD77OO TkwQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b="xEp4/wQw"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id s23si5741409edi.7.2020.07.17.03.19.43; Fri, 17 Jul 2020 03:20:06 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b="xEp4/wQw"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726401AbgGQKTe (ORCPT + 99 others); Fri, 17 Jul 2020 06:19:34 -0400 Received: from mail.kernel.org ([198.145.29.99]:41372 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725864AbgGQKTd (ORCPT ); Fri, 17 Jul 2020 06:19:33 -0400 Received: from willie-the-truck (236.31.169.217.in-addr.arpa [217.169.31.236]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 7E7C22063A; Fri, 17 Jul 2020 10:19:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1594981173; bh=UOSt48aO65gwAUB2x+iP6NI41YTkFaT/oMyZi4pbRB0=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=xEp4/wQwm+BYnpeOPkED1GCD0Sd/uO+toFmvPdeSJf8s5AWO8N1KRseke5NzbCeYF UcE9OPw5ZFJH58C+E6CLZm/sZeAVtjw12atWQmsuRac0fPwJO7554jIl9Um59VDGGD 1rCI7nGtpriu6D8/SGqPKGUH+wEv65DgRMjRCKUg= Date: Fri, 17 Jul 2020 11:19:29 +0100 From: Will Deacon To: Guo Ren Cc: Catalin Marinas , Linux Kernel Mailing List , linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, Guo Ren Subject: Re: [PATCH] arm64: Make TSK_STACK_CANARY more accurate defined Message-ID: <20200717101929.GA8727@willie-the-truck> References: <1594613013-13059-1-git-send-email-guoren@kernel.org> <20200714083715.GE4516@willie-the-truck> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jul 17, 2020 at 08:56:23AM +0800, Guo Ren wrote: > BTW, Jim found a GCC security leak in arm64, and would you want to > have a look at it? Thanks. This seems to be tracked in their bugzilla here: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96191 I agree with Jim that this should be fixed. Will