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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 3CCB4C25B76 for ; Mon, 3 Jun 2024 17:56:11 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sEBuB-0001bZ-QR; Mon, 03 Jun 2024 13:55:35 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sEBtr-00014q-HI for qemu-devel@nongnu.org; Mon, 03 Jun 2024 13:55:18 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sEBtn-0000YZ-Ak for qemu-devel@nongnu.org; Mon, 03 Jun 2024 13:55:13 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1717437306; h=from:from:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=KARoLuBVHwanDn5ZOSrMUvpIv5PZX8QSh4rGPd7RZs8=; b=MjuuMbqbQuPc62stP9ZUFfC13D8M7Ci3el0iowocIzFuvmtbxyhT4pJ7AeuXRgHIwMjGHJ +f5v854fZ/77bqQJvo4+JsU7Eyxv728muPq9pN6T0wfBnpGCN5RR472WA2Px7GvKFU6ykX IN+fUiJEa0ykgbfLjLjgPmqSFX91dmU= Received: from mimecast-mx02.redhat.com (mx-ext.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-534-kx1ZY5kuPr2WkVm4BZxHLw-1; Mon, 03 Jun 2024 13:55:03 -0400 X-MC-Unique: kx1ZY5kuPr2WkVm4BZxHLw-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.rdu2.redhat.com [10.11.54.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id C43E829AA385; Mon, 3 Jun 2024 17:55:02 +0000 (UTC) Received: from redhat.com (unknown [10.42.28.31]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 0CB4F5620; Mon, 3 Jun 2024 17:55:01 +0000 (UTC) Date: Mon, 3 Jun 2024 18:55:00 +0100 From: Daniel =?utf-8?B?UC4gQmVycmFuZ8Op?= To: Alex =?utf-8?Q?Benn=C3=A9e?= Cc: Thomas Huth , qemu-devel@nongnu.org, qemu-trivial@nongnu.org, Akihiko Odaki Subject: Re: [PATCH] io/channel-socket: Fix -fsanitize=undefined problem with latest Clang Message-ID: References: <20240529133106.1224866-1-thuth@redhat.com> <877cf6gk10.fsf@draig.linaro.org> <8734pthqc8.fsf@draig.linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <8734pthqc8.fsf@draig.linaro.org> User-Agent: Mutt/2.2.12 (2023-09-09) X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.1 Received-SPF: pass client-ip=170.10.133.124; envelope-from=berrange@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: Daniel =?utf-8?B?UC4gQmVycmFuZ8Op?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On Mon, Jun 03, 2024 at 06:46:15PM +0100, Alex Bennée wrote: > Daniel P. Berrangé writes: > > > On Mon, Jun 03, 2024 at 03:47:55PM +0100, Alex Bennée wrote: > >> Thomas Huth writes: > >> > >> > Casting function pointers from one type to another causes undefined > >> > behavior errors when compiling with -fsanitize=undefined with Clang > >> > v18: > >> > >> Queued to testing/next, thanks. > > > > Please remove, as I don't think this is a viable approach to the > > problem > > Ok - I'll drop it. > > I still have: > > .gitlab-ci.d/buildtest.yml: Use -fno-sanitize=function in the clang-system job > > to prevent the CI failures. Yes, that's good. With regards, Daniel -- |: https://berrange.com -o- https://www.flickr.com/photos/dberrange :| |: https://libvirt.org -o- https://fstop138.berrange.com :| |: https://entangle-photo.org -o- https://www.instagram.com/dberrange :|