Message ID | 20230223190935.41040-2-yuxuan.luo@canonical.com |
---|---|
State | New |
Headers | show
Return-Path: <kernel-team-bounces@lists.ubuntu.com> X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.ubuntu.com (client-ip=91.189.94.19; helo=huckleberry.canonical.com; envelope-from=kernel-team-bounces@lists.ubuntu.com; receiver=<UNKNOWN>) Authentication-Results: legolas.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=canonical.com header.i=@canonical.com header.a=rsa-sha256 header.s=20210705 header.b=pwOKXPyB; dkim-atps=neutral Received: from huckleberry.canonical.com (huckleberry.canonical.com [91.189.94.19]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4PN2dp5gCwz2462 for <incoming@patchwork.ozlabs.org>; Fri, 24 Feb 2023 06:09:50 +1100 (AEDT) Received: from localhost ([127.0.0.1] helo=huckleberry.canonical.com) by huckleberry.canonical.com with esmtp (Exim 4.86_2) (envelope-from <kernel-team-bounces@lists.ubuntu.com>) id 1pVGyM-0001Zk-1n; Thu, 23 Feb 2023 19:09:42 +0000 Received: from smtp-relay-internal-0.internal ([10.131.114.225] helo=smtp-relay-internal-0.canonical.com) by huckleberry.canonical.com with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.86_2) (envelope-from <yuxuan.luo@canonical.com>) id 1pVGyL-0001Zb-44 for kernel-team@lists.ubuntu.com; Thu, 23 Feb 2023 19:09:41 +0000 Received: from mail-qk1-f200.google.com (mail-qk1-f200.google.com [209.85.222.200]) (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 smtp-relay-internal-0.canonical.com (Postfix) with ESMTPS id DAF2C3F20F for <kernel-team@lists.ubuntu.com>; Thu, 23 Feb 2023 19:09:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=canonical.com; s=20210705; t=1677179380; bh=IIDWryGxt47YRdf4u6AJenMqiKwE4VPyop09qGCmiWU=; h=From:To:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=pwOKXPyBeckxwS+V31UUdqFroRRApQO41kmB0+mm+EpY9n5ny9cDsyRKAjmDQMasr KlG9KG0hq5VIV0bY5AiIYS35nGoxNSwv7vTwiRsOeX2FN76hkRNWaKdVyZj2P/nveV /F85NCzNFzOWAqKUafDZAluJfgKYAiqfvxsXZw2ZYq0j+6XSl2woj9xhuV0e3gPZ+A wOd2ohFvtrS5YYMjbYZfaSrlQ5NYQuYdo81GiTavbz3t5oKyTqwygMeiMOmzxrdhF+ 4jwc6VI0VpyPbYt6xTN6hTZgqIoF6q1vSCKgnk6Qwou5QFNLmVXHp6VF3/UQWXC2Vf vG/dqv4q/Wl6A== Received: by mail-qk1-f200.google.com with SMTP id 80-20020a370853000000b007051ae500a2so6852274qki.15 for <kernel-team@lists.ubuntu.com>; Thu, 23 Feb 2023 11:09:40 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=IIDWryGxt47YRdf4u6AJenMqiKwE4VPyop09qGCmiWU=; b=uQU4obg3smqbt2tkLmwJzLx3r4EUZAHEJtpZCq0+nGbB/BFN0mpd8kARpcLYnjnRY5 curYyZfEcnOFshzkvE79IHmQ8qDaINiKsSUHdcickZdEI+opC35XNMfa7pkHF6Hg+rCB 9q3jZ+XLVmDWAdXJl1JoL6vBQuFElcLBHuqZoi/Eof5Qsbh0+oA+AxqAEK9/z/XKWDz9 +OJUotszbmIC9sg0ot+f8l4FCeBEIdG3ROs8n0jhRRzlAfq0DL8M+m9I5PKS+NiXUQRC 6MM/oKMXjMWLx3NGrLADJeBkX3+jHj9d6WcwHwlMFBAp9KRbfAkGhcbzrRAMFYwAvRit pX+A== X-Gm-Message-State: AO0yUKXtmzGZbDRcpY1LFKoTe/UQzFwPVJZ+OlxPgOJNdw7w75k94QeD n3ogtosnRjkb7m1jYSX17Cgym4fSI9w1EQquxfYsPKyainjRBetzYulJ4ssw7xv0pVmvWFQxSra EPl3KlncfKWJTJDnnJiuG/D6haRJzgZbEE56nl7RLiUcvK84= X-Received: by 2002:ac8:5b89:0:b0:3b8:938e:73b3 with SMTP id a9-20020ac85b89000000b003b8938e73b3mr22044463qta.45.1677179378953; Thu, 23 Feb 2023 11:09:38 -0800 (PST) X-Google-Smtp-Source: AK7set+s9vPXUeoTr6RwBH7b9bbhaHjJMoyUGJ7AiJTV8gF9WYcjNyPNSpbxEAFG9bmIarp4eh+FoQ== X-Received: by 2002:ac8:5b89:0:b0:3b8:938e:73b3 with SMTP id a9-20020ac85b89000000b003b8938e73b3mr22044436qta.45.1677179378675; Thu, 23 Feb 2023 11:09:38 -0800 (PST) Received: from cache-ubuntu.hsd1.nj.comcast.net ([2601:86:200:98b0:ad8b:66f:549a:c082]) by smtp.gmail.com with ESMTPSA id 5-20020ac85605000000b003bfb8cbe914sm288540qtr.16.2023.02.23.11.09.38 for <kernel-team@lists.ubuntu.com> (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 23 Feb 2023 11:09:38 -0800 (PST) From: Yuxuan Luo <yuxuan.luo@canonical.com> To: kernel-team@lists.ubuntu.com Subject: [PATCH 1/1] block-map: add __GFP_ZERO flag for alloc_page in function bio_copy_kern Date: Thu, 23 Feb 2023 14:09:35 -0500 Message-Id: <20230223190935.41040-2-yuxuan.luo@canonical.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230223190935.41040-1-yuxuan.luo@canonical.com> References: <20230223190935.41040-1-yuxuan.luo@canonical.com> MIME-Version: 1.0 X-BeenThere: kernel-team@lists.ubuntu.com X-Mailman-Version: 2.1.20 Precedence: list List-Id: Kernel team discussions <kernel-team.lists.ubuntu.com> List-Unsubscribe: <https://lists.ubuntu.com/mailman/options/kernel-team>, <mailto:kernel-team-request@lists.ubuntu.com?subject=unsubscribe> List-Archive: <https://lists.ubuntu.com/archives/kernel-team> List-Post: <mailto:kernel-team@lists.ubuntu.com> List-Help: <mailto:kernel-team-request@lists.ubuntu.com?subject=help> List-Subscribe: <https://lists.ubuntu.com/mailman/listinfo/kernel-team>, <mailto:kernel-team-request@lists.ubuntu.com?subject=subscribe> Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: kernel-team-bounces@lists.ubuntu.com Sender: "kernel-team" <kernel-team-bounces@lists.ubuntu.com> |
Series |
CVE-2022-0494
|
expand
|
Acked-by: Thadeu Lima de Souza Cascardo <cascardo@canonical.com>
diff --git a/block/bio.c b/block/bio.c index 58921797f2e63..2d23063819544 100644 --- a/block/bio.c +++ b/block/bio.c @@ -1541,7 +1541,7 @@ struct bio *bio_copy_kern(struct request_queue *q, void *data, unsigned int len, if (bytes > len) bytes = len; - page = alloc_page(q->bounce_gfp | gfp_mask); + page = alloc_page(q->bounce_gfp | __GFP_ZERO | gfp_mask); if (!page) goto cleanup;