From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0ACD9C433F5 for ; Sun, 29 May 2022 17:56:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231423AbiE2R4L (ORCPT ); Sun, 29 May 2022 13:56:11 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50694 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229694AbiE2R4I (ORCPT ); Sun, 29 May 2022 13:56:08 -0400 Received: from sipsolutions.net (s3.sipsolutions.net [IPv6:2a01:4f8:191:4433::2]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1754A4B41A for ; Sun, 29 May 2022 10:56:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sipsolutions.net; s=mail; h=MIME-Version:Content-Transfer-Encoding: Content-Type:References:In-Reply-To:Date:Cc:To:From:Subject:Message-ID:Sender :Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From:Resent-To: Resent-Cc:Resent-Message-ID; bh=190r9qJwFvNNRiNpmHW+00h4gKYz6/hvhNKsg+u9ISs=; t=1653846967; x=1655056567; b=Qh+pyGhcbhypahFSZ4AQHRGN+1NBJQgnJ5F22bdaNDpM3vg 4FqBHPhQhEzxQN0J95I0DIypPOUPaqUoIHnTycFWc1CXtpKNG7/NSNS32l4f6SB26xuqpFdzm5WXg UX/It5AlvYONWRMDyXquo9E7KjJpL3uOIA/GfXAYoXDGSPHG5aFkwgUL6UfAXF+wPCKcq5G7mrLDG LekofjD6NzqNYwVEaCnPJWjN6snZmFcRVopNZroO3mcLxwRbpsPOg3JMNABanP+G1dzue5ZLcZa4p qKKHgiuvTH/4iMMnW7qlGr8rZUzAEzcldH2qzgcagdBqmgPIqRM740AEK6QwoVaw==; Received: by sipsolutions.net with esmtpsa (TLS1.3:ECDHE_X25519__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim 4.95) (envelope-from ) id 1nvN8w-007nhJ-9k; Sun, 29 May 2022 19:55:58 +0200 Message-ID: Subject: Re: [PATCH v2 2/2] UML: add support for KASAN under x86_64 From: Johannes Berg To: David Gow , Vincent Whitchurch , Patricia Alfonso , Jeff Dike , Richard Weinberger , anton.ivanov@cambridgegreys.com, Dmitry Vyukov , Brendan Higgins , Andrew Morton , Andrey Konovalov , Andrey Ryabinin Cc: kasan-dev , linux-um@lists.infradead.org, LKML , Daniel Latypov , linux-mm@kvack.org Date: Sun, 29 May 2022 19:55:57 +0200 In-Reply-To: References: <20220527185600.1236769-1-davidgow@google.com> <20220527185600.1236769-2-davidgow@google.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.44.1 (3.44.1-1.fc36) MIME-Version: 1.0 X-malware-bazaar: not-scanned Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 2022-05-27 at 22:14 +0200, Johannes Berg wrote: > On Fri, 2022-05-27 at 11:56 -0700, David Gow wrote: > >=20 > > This is v2 of the KASAN/UML port. It should be ready to go. >=20 > Nice, thanks a lot! :) >=20 > > It does benefit significantly from the following patches: > > - Bugfix for memory corruption, needed for KASAN_STACK support: > > https://lore.kernel.org/lkml/20220523140403.2361040-1-vincent.whitchurc= h@axis.com/ >=20 > Btw, oddly enough, I don't seem to actually see this (tried gcc 10.3 and > 11.3 so far) - is there anything you know about compiler versions > related to this perhaps? Or clang only? >=20 I do see it on gcc (Debian 10.2.1-6) 10.2.1 20210110, but that was a different .config too ... strange. johannes