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dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:43818 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kdVWv-0008BR-5M for qemu-devel@archiver.kernel.org; Fri, 13 Nov 2020 04:38:05 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:52162) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kdVW5-0007K5-36 for qemu-devel@nongnu.org; Fri, 13 Nov 2020 04:37:13 -0500 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:46327) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1kdVW3-00068g-AG for qemu-devel@nongnu.org; Fri, 13 Nov 2020 04:37:12 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1605260230; 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=FIvyiZRKr8ZD6+UHYM50vEtpnZ8SgBI53kC3MhcHdY8=; b=ckOL0pEj4Ymt2ZLl/wdmE1AM1xwl3hUd7S1IzZgIixzYh/Ptf+NOl5u1r5+qtQk7aGQbfU NXRNaESPC0w2INFlzWdMMYSWogKmTlSABAOcexOlICS7K0MYMUI/EOOJ75ZHKeryJFkCyV atWa2940Ms86i8ILK8SXan17U2pOus8= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-291-0TgWY6Y-O_-MaDhe83GOnw-1; Fri, 13 Nov 2020 04:37:08 -0500 X-MC-Unique: 0TgWY6Y-O_-MaDhe83GOnw-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 69FE9186DD4A for ; Fri, 13 Nov 2020 09:37:07 +0000 (UTC) Received: from redhat.com (ovpn-113-180.ams2.redhat.com [10.36.113.180]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 8B3B46EF65; Fri, 13 Nov 2020 09:37:06 +0000 (UTC) Date: Fri, 13 Nov 2020 09:37:03 +0000 From: Daniel =?utf-8?B?UC4gQmVycmFuZ8Op?= To: Markus Armbruster Subject: Re: [PATCH 1/2] authz-list-file: Fix file read error handling Message-ID: <20201113093703.GB30434@redhat.com> References: <20201113062358.2563662-1-armbru@redhat.com> <20201113062358.2563662-2-armbru@redhat.com> MIME-Version: 1.0 In-Reply-To: <20201113062358.2563662-2-armbru@redhat.com> User-Agent: Mutt/1.14.6 (2020-07-11) X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=berrange@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=216.205.24.124; envelope-from=berrange@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/11/12 08:00:44 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] 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 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: Daniel =?utf-8?B?UC4gQmVycmFuZ8Op?= Cc: qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On Fri, Nov 13, 2020 at 07:23:57AM +0100, Markus Armbruster wrote: > The Error ** argument must be NULL, &error_abort, &error_fatal, or a > pointer to a variable containing NULL. Passing an argument of the > latter kind twice without clearing it in between is wrong: if the > first call sets an error, it no longer points to NULL for the second > call. > > qauthz_list_file_complete() is wrong that way: it passes @errp to > qauthz_list_file_complete() without checking for failure. If it runs > into another failure, it trips error_setv()'s assertion. Reproducer: > > $ qemu-system-x86_64 -nodefaults -S -display none -object authz-list-file,id=authz0,filename= > qemu-system-x86_64: ../util/error.c:59: error_setv: Assertion `*errp == NULL' failed. > Aborted (core dumped) > > Fix it to check for failure. > > Fixes: 55d869846de802a16af1a50584c51737bd664387 > Signed-off-by: Markus Armbruster > --- > authz/listfile.c | 3 +++ > 1 file changed, 3 insertions(+) Reviewed-by: Daniel P. Berrangé 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 :|