Message ID | 20211005161157.282396-1-sgarzare@redhat.com (mailing list archive) |
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Headers | show
Return-Path: <SRS0=P8o7=OZ=nongnu.org=qemu-devel-bounces+qemu-devel=archiver.kernel.org@kernel.org> X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B0B09C433F5 for <qemu-devel@archiver.kernel.org>; Tue, 5 Oct 2021 17:52:26 +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 6EC5861251 for <qemu-devel@archiver.kernel.org>; Tue, 5 Oct 2021 17:52:26 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 6EC5861251 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=nongnu.org Received: from localhost ([::1]:38036 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from <qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org>) id 1mXoc5-0002s7-Hc for qemu-devel@archiver.kernel.org; Tue, 05 Oct 2021 13:52:25 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:50140) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <sgarzare@redhat.com>) id 1mXn3O-0001vO-Tp for qemu-devel@nongnu.org; Tue, 05 Oct 2021 12:12:32 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:58187) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <sgarzare@redhat.com>) id 1mXn3M-0005T5-Ap for qemu-devel@nongnu.org; Tue, 05 Oct 2021 12:12:30 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1633450346; 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; bh=FQZz8zvqaTCK7zZ2EflZSOzFhI924oxp1GFjY4kCh38=; b=FQxvc+oUpRpvEpip19aCXFBVZ28w+8exsXjehH1eOydObaFO5kHA/wEUrF3df+TZ9BhXlR crDVIbwfM5ZK9i2IamXI8GLSE67SqUUxvosJ+0pF28nSbfu+FSWm4TCGoOczZI1KefVg2v rTeUufDFKpTpf3R9kONETJz3v52c73Q= 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-524-NY2x_bdYOxCbvgOVGGAeeg-1; Tue, 05 Oct 2021 12:12:25 -0400 X-MC-Unique: NY2x_bdYOxCbvgOVGGAeeg-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id A4D7D84A5E0; Tue, 5 Oct 2021 16:12:24 +0000 (UTC) Received: from steredhat.redhat.com (unknown [10.39.194.24]) by smtp.corp.redhat.com (Postfix) with ESMTP id 796D45E253; Tue, 5 Oct 2021 16:11:58 +0000 (UTC) From: Stefano Garzarella <sgarzare@redhat.com> To: qemu-devel@nongnu.org Subject: [PATCH 0/2] block: avoid integer overflow of `max-workers` and assert `max_busy_tasks` Date: Tue, 5 Oct 2021 18:11:55 +0200 Message-Id: <20211005161157.282396-1-sgarzare@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=sgarzare@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=170.10.133.124; envelope-from=sgarzare@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -28 X-Spam_score: -2.9 X-Spam_bar: -- X-Spam_report: (-2.9 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.066, 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_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: <qemu-devel.nongnu.org> List-Unsubscribe: <https://lists.nongnu.org/mailman/options/qemu-devel>, <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe> List-Archive: <https://lists.nongnu.org/archive/html/qemu-devel> List-Post: <mailto:qemu-devel@nongnu.org> List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help> List-Subscribe: <https://lists.nongnu.org/mailman/listinfo/qemu-devel>, <mailto:qemu-devel-request@nongnu.org?subject=subscribe> Cc: Kevin Wolf <kwolf@redhat.com>, Hanna Reitz <hreitz@redhat.com>, Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>, John Snow <jsnow@redhat.com>, qemu-block@nongnu.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" <qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org> |
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block: avoid integer overflow of `max-workers` and assert `max_busy_tasks`
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This series contains a patch that avoids an integer overflow of `max-workers` (struct BackupPerf) by adding a check and a patch that asserts this condition where the problem occurs. Buglink: https://bugzilla.redhat.com/show_bug.cgi?id=2009310 Signed-off-by: Stefano Garzarella <sgarzare@redhat.com> Stefano Garzarella (2): block/backup: avoid integer overflow of `max-workers` block/aio_task: assert `max_busy_tasks` is greater than 0 block/aio_task.c | 2 ++ block/backup.c | 4 ++-- 2 files changed, 4 insertions(+), 2 deletions(-)