From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lists1p.gnu.org (lists1p.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id F3D51606A324 for ; Mon, 2 Nov 2026 06:12:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key, unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=DSj5z1FA Received: from localhost ([::1] helo=lists1p.gnu.org) by lists1p.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1xNlHg-0005dJ-O7; Mon, 02 Nov 2026 01:12:45 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists1p.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1xNlHN-0005XQ-8j for qemu-devel@nongnu.org; Mon, 02 Nov 2026 01:12:27 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1xNlHJ-0001Gr-6h for qemu-devel@nongnu.org; Mon, 02 Nov 2026 01:12:24 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1793599938; h=from:from: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=AyhB37DOdN3owM/aPKWLOqI3rUyir0MWJgjl5vooCe4=; b=DSj5z1FA4aJG9sCjJen0jy4PKQlonwEV+DhULmCHV557lpT1FeUGiipZTA65ScLYmMId81 NrEO2bpyNgYKpWjYWG1qqOe1odtDoJUxs1KweXLfVky1ZpjH8syGoUKywV50jWt/R5aJFD c4PNwq98Wjytn2Au8Fd44Ygd8ikNgNQ= Received: from mx-prod-mc-06.mail-002.prod.us-west-2.aws.redhat.com (ec2-35-165-154-97.us-west-2.compute.amazonaws.com [35.165.154.97]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-459-15al_pkvOHe_EYOttUdhBg-1; Mon, 02 Nov 2026 01:12:15 -0500 X-MC-Unique: 15al_pkvOHe_EYOttUdhBg-1 X-Mimecast-MFC-AGG-ID: 15al_pkvOHe_EYOttUdhBg_1793599934 Received: from mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.93]) (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 mx-prod-mc-06.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id D2C351800147; Mon, 2 Nov 2026 06:12:14 +0000 (UTC) Received: from blackfin.pond.sub.org (unknown [10.44.22.2]) by mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 67416180057F; Mon, 2 Nov 2026 06:12:14 +0000 (UTC) Received: by blackfin.pond.sub.org (Postfix, from userid 1000) id 0EE0521E6A04; Mon, 02 Nov 2026 07:12:12 +0100 (CET) From: Markus Armbruster To: Daniel P. =?utf-8?Q?Berrang=C3=A9?= Cc: qemu-devel@nongnu.org, Pierrick Bouvier , Paolo Bonzini , Michael Roth , Eric Blake Subject: Re: [PATCH v2 7/8] qemu-options: document -compat insecure-input parameter In-Reply-To: <20261030141713.2841710-8-berrange@redhat.com> ("Daniel P. =?utf-8?Q?Berrang=C3=A9=22's?= message of "Fri, 30 Oct 2026 14:17:12 +0000") References: <20261030141713.2841710-1-berrange@redhat.com> <20261030141713.2841710-8-berrange@redhat.com> Date: Mon, 02 Nov 2026 07:12:12 +0100 Message-ID: <87wlqvvk1v.fsf@pond.sub.org> User-Agent: Gnus/5.13 (Gnus v5.13) X-Archived-By: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.93 Received-SPF: pass client-ip=170.10.129.124; envelope-from=armbru@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -37 X-Spam_score: -3.8 X-Spam_bar: --- X-Spam_report: (-3.8 / 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_LOW=-0.7, RCVD_IN_MSPIKE_H5=-1, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Archive: List-Post: List-Help: List-Subscribe: , Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org X-Spam-Status: No, score=-17.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_PASS, SPF_PASS,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 Daniel P. Berrang=C3=A9 writes: > This adds documentation for the previously added 'insecure-input' > parameter to -compat, which controls policy for insecure > configuration requests. > > Signed-off-by: Daniel P. Berrang=C3=A9 > --- > qemu-options.hx | 23 ++++++++++++++++++++++- > 1 file changed, 22 insertions(+), 1 deletion(-) > > diff --git a/qemu-options.hx b/qemu-options.hx > index 854341e7a07..0b8e6d0d8a9 100644 > --- a/qemu-options.hx > +++ b/qemu-options.hx > @@ -4696,7 +4696,9 @@ DEF("compat", HAS_ARG, QEMU_OPTION_compat, > "-compat [deprecated-input=3Daccept|reject|crash|warn][,deprecated-o= utput=3Daccept|hide]\n" > " Policy for handling deprecated management interface= s\n" > "-compat [unstable-input=3Daccept|reject|crash|warn][,unstable-outpu= t=3Daccept|hide]\n" > - " Policy for handling unstable management interfaces\= n", > + " Policy for handling unstable management interfaces\= n" > + "-compat [insecure-input=3Daccept|reject|crash|warn]\n" > + " Policy for handling insecure configuration requests= \n", > QEMU_ARCH_ALL) > SRST > ``-compat [deprecated-input=3D][,deprecated-output=3D]`` > @@ -4736,6 +4738,25 @@ SRST > Suppress unstable command results and events >=20=20 > Limitation: covers only syntactic aspects of QMP. > + > +``-compat [insecure-input=3D]`` > + Set policy for handling insecure configuration requests: > + > + ``insecure-input=3Daccept`` (default) > + Accept insecure configurations requests silently > + ``insecure-input=3Dwarn`` > + Accept insecure configuration requests with warning repeated > + warnings on stderr Scratch "warning". > + ``insecure-input=3Dreject`` > + Reject insecure configuration requests > + ``insecure-input=3Dcrash`` > + Crash on insecure configuration requests > + > + Limitation: an insecure configuration is one where QEMU does > + not provide a security boundary to protect against malicious > + usage / untrusted data. Covers only user creatable QOM types > + for devices, machine types and accelerators. Implicitly created > + QOM types and parent types are not checked at this time. > ERST >=20=20 > DEF("fw_cfg", HAS_ARG, QEMU_OPTION_fwcfg,