From patchwork Wed Nov 4 15:01:49 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paolo Bonzini X-Patchwork-Id: 318639 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B6C71C2D0A3 for ; Wed, 4 Nov 2020 15:14:56 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 014B22074B for ; Wed, 4 Nov 2020 15:14:55 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="Dp1weRhc" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 014B22074B Authentication-Results: mail.kernel.org; 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]:55222 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kaKUw-0002J9-Ps for qemu-devel@archiver.kernel.org; Wed, 04 Nov 2020 10:14:54 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:55474) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kaKIi-0003A3-Se for qemu-devel@nongnu.org; Wed, 04 Nov 2020 10:02:16 -0500 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:40270) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1kaKIY-00063D-IP for qemu-devel@nongnu.org; Wed, 04 Nov 2020 10:02:15 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1604502125; 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=Lb4syEnmU0K7xe+/tkz4DRw50t5jImgaqq34tSP2sek=; b=Dp1weRhcUaulW8RGAv0tOa5p4M+qnvfXFvl8H4C+Yu6UF6OoAEhXi3xATshGl1DL5XHddC uDJo4OYl2WZV3oHnQ3nVp753ReV8NyNlhYVVZ31TIFNItX0+0LmEfYyS5noo4DI0rn3rDz h/K5PuWvvtM+2H1H5VA0MjeEaPnUiQI= 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-195-S6edJIHfN0GSLnA36Ort9A-1; Wed, 04 Nov 2020 10:02:03 -0500 X-MC-Unique: S6edJIHfN0GSLnA36Ort9A-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 D685B64167; Wed, 4 Nov 2020 15:02:02 +0000 (UTC) Received: from virtlab701.virt.lab.eng.bos.redhat.com (virtlab701.virt.lab.eng.bos.redhat.com [10.19.152.228]) by smtp.corp.redhat.com (Postfix) with ESMTP id 720B07366D; Wed, 4 Nov 2020 15:02:02 +0000 (UTC) From: Paolo Bonzini To: qemu-devel@nongnu.org Subject: [PULL 16/20] fuzz: fuzz offsets within pio/mmio regions Date: Wed, 4 Nov 2020 10:01:49 -0500 Message-Id: <20201104150153.541326-17-pbonzini@redhat.com> In-Reply-To: <20201104150153.541326-1-pbonzini@redhat.com> References: <20201104150153.541326-1-pbonzini@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=pbonzini@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=216.205.24.124; envelope-from=pbonzini@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/11/03 00:03:41 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: , Cc: Alexander Bulekov , Darren Kenny Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Alexander Bulekov The code did not add offsets to FlatRange bases, so we did not fuzz offsets within device MemoryRegions. Signed-off-by: Alexander Bulekov Reviewed-by: Darren Kenny Message-Id: <20201029172901.534442-4-alxndr@bu.edu> Signed-off-by: Paolo Bonzini --- tests/qtest/fuzz/generic_fuzz.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/tests/qtest/fuzz/generic_fuzz.c b/tests/qtest/fuzz/generic_fuzz.c index 3a5dbc3ce2..262a963d2e 100644 --- a/tests/qtest/fuzz/generic_fuzz.c +++ b/tests/qtest/fuzz/generic_fuzz.c @@ -298,6 +298,11 @@ static bool get_io_address(address_range *result, AddressSpace *as, } while (cb_info.index != index && !cb_info.found); *result = cb_info.result; + if (result->size) { + offset = offset % result->size; + result->addr += offset; + result->size -= offset; + } return cb_info.found; }