Message ID | 20240409105537.18308-4-philmd@linaro.org (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.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 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 0B792CD1299 for <qemu-devel@archiver.kernel.org>; Tue, 9 Apr 2024 10:56:43 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from <qemu-devel-bounces@nongnu.org>) id 1ru992-0001Q5-P2; Tue, 09 Apr 2024 06:56:04 -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 <philmd@linaro.org>) id 1ru991-0001PQ-5z for qemu-devel@nongnu.org; Tue, 09 Apr 2024 06:56:03 -0400 Received: from mail-ej1-x635.google.com ([2a00:1450:4864:20::635]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from <philmd@linaro.org>) id 1ru98y-00039r-IL for qemu-devel@nongnu.org; Tue, 09 Apr 2024 06:56:02 -0400 Received: by mail-ej1-x635.google.com with SMTP id a640c23a62f3a-a51d0dda061so296776866b.1 for <qemu-devel@nongnu.org>; Tue, 09 Apr 2024 03:55:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1712660158; x=1713264958; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=9koRp/akTxCLkggEjRm+VVx6B9q0FvygX7l6hjj+Eio=; b=Oa9cNFhtX1Sv9iAqsWZBpBWnRLhlHtuoXu952DnD7cVr4d8WeStvenuTuy12dbOL2S s2iWZ9fCEPFkoc7zMMP8HjTsM0DwUTC8ZY2D+hPXulHYcj5sweRYp/g4x+zRcVjv+RoK m06KbbQeO1sql7HlrRGlnpZSKIyzMBte5aj3egixHIKJb9uek6otm5rbEJWAUL3GgISG 3NHTRUX0SEu928mek/3amMxzySY0ACUkMlJXF+kAsVtYox1bG7IVbrR61CsWrStLJppb 6EPTrJho/RBk9QGbulJDQNUVMaH4Lo7MBz7UlDNnpeDfJtBbCAk6qQvr0WToiBfkHSK9 PBGA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1712660158; x=1713264958; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=9koRp/akTxCLkggEjRm+VVx6B9q0FvygX7l6hjj+Eio=; b=FNQa/zAL/6xnXTcR7rxFaKyyRS3kom+VE+rQs1BPRKca75ZuAnuyD2WewK6cFMi5Fp QvBvCrbXOU7yZNZftCR396DulpzD31ZUNwBgbSPDnY5WStW+kR2qFcVUcKY4jCgWM00Q cgftRTUbigQ0kFG69uXa6ot+PZB1uYjdF+tn159a3bnAIlcUuU4j0Pkz0AGf32732lus SWa0Wysd0Zl9G4zlVhZLPGuqeoSQeIVXS8MrMj9STyg00TeNxQNg676+IiSiSi+bCnXe 0rhqPBHOpoei217jZb7H+oGR5JpjxzTjt1aTe2rjQEEwi4ASSgT17/MEg7rLom+SM7iF kTHw== X-Gm-Message-State: AOJu0Yy+DgnQ5cURBPZuEb3vOOLLP902w+qV5cRH/po2y/5HwiDjvE12 SCK62Oj2LAFO20FsZ7KLfqTJD5Q+LsM9RJldJ5af6GsLecZXFZ8BIsbshY8SjtzKPV/4c3G7Gv5 G X-Google-Smtp-Source: AGHT+IEC0/VDjJWrZqo+C4W8afMaFOf5E/U93L3cdKZ2Wht73bcqH0umZCGCs+2Na3IaAARxZO/NSQ== X-Received: by 2002:a17:906:d205:b0:a51:d081:4bab with SMTP id w5-20020a170906d20500b00a51d0814babmr1999966ejz.21.1712660158691; Tue, 09 Apr 2024 03:55:58 -0700 (PDT) Received: from m1x-phil.lan ([176.176.160.134]) by smtp.gmail.com with ESMTPSA id gl2-20020a170906e0c200b00a4df5e48d11sm5565924ejb.72.2024.04.09.03.55.56 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Tue, 09 Apr 2024 03:55:58 -0700 (PDT) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= <philmd@linaro.org> To: qemu-devel@nongnu.org Cc: Amit Shah <amit@kernel.org>, Paolo Bonzini <pbonzini@redhat.com>, "Gonglei (Arei)" <arei.gonglei@huawei.com>, Laurent Vivier <lvivier@redhat.com>, Gerd Hoffmann <kraxel@redhat.com>, "Michael S. Tsirkin" <mst@redhat.com>, =?utf-8?q?Marc-Andr=C3=A9_Lureau?= <marcandre.lureau@redhat.com>, =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= <philmd@linaro.org>, qemu-stable@nongnu.org, Alexander Bulekov <alxndr@bu.edu> Subject: [PATCH-for-9.0 v2 3/4] hw/char/virtio-serial-bus: Protect from DMA re-entrancy bugs Date: Tue, 9 Apr 2024 12:55:36 +0200 Message-ID: <20240409105537.18308-4-philmd@linaro.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20240409105537.18308-1-philmd@linaro.org> References: <20240409105537.18308-1-philmd@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::635; envelope-from=philmd@linaro.org; helo=mail-ej1-x635.google.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, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, 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: 2.1.29 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> Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org |
Series |
hw/virtio: Protect from more DMA re-entrancy bugs
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expand
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diff --git a/hw/char/virtio-serial-bus.c b/hw/char/virtio-serial-bus.c index 016aba6374..2094d213cd 100644 --- a/hw/char/virtio-serial-bus.c +++ b/hw/char/virtio-serial-bus.c @@ -985,8 +985,7 @@ static void virtser_port_device_realize(DeviceState *dev, Error **errp) return; } - port->bh = qemu_bh_new_guarded(flush_queued_data_bh, port, - &dev->mem_reentrancy_guard); + port->bh = virtio_bh_new_guarded(dev, flush_queued_data_bh, port); port->elem = NULL; }