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{ "id": 811581, "url": "http://patchwork.ozlabs.org/api/covers/811581/?format=api", "web_url": "http://patchwork.ozlabs.org/project/ubuntu-kernel/cover/cover.1504875135.git.joseph.salisbury@canonical.com/", "project": { "id": 15, "url": "http://patchwork.ozlabs.org/api/projects/15/?format=api", "name": "Ubuntu Kernel", "link_name": "ubuntu-kernel", "list_id": "kernel-team.lists.ubuntu.com", "list_email": "kernel-team@lists.ubuntu.com", "web_url": null, "scm_url": null, "webscm_url": null, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<cover.1504875135.git.joseph.salisbury@canonical.com>", "list_archive_url": null, "date": "2017-09-08T13:09:54", "name": "[SRU,Vivid,0/1] CIFS: Fix maximum SMB2 header size", "submitter": { "id": 7793, "url": "http://patchwork.ozlabs.org/api/people/7793/?format=api", "name": "Joseph Salisbury", "email": "joseph.salisbury@canonical.com" }, "mbox": "http://patchwork.ozlabs.org/project/ubuntu-kernel/cover/cover.1504875135.git.joseph.salisbury@canonical.com/mbox/", "series": [ { "id": 2204, "url": "http://patchwork.ozlabs.org/api/series/2204/?format=api", "web_url": "http://patchwork.ozlabs.org/project/ubuntu-kernel/list/?series=2204", "date": "2017-09-08T13:09:55", "name": "CIFS: Fix maximum SMB2 header size", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/2204/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/covers/811581/comments/", "headers": { "Return-Path": "<kernel-team-bounces@lists.ubuntu.com>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@bilbo.ozlabs.org", "Authentication-Results": "ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=lists.ubuntu.com\n\t(client-ip=91.189.94.19; helo=huckleberry.canonical.com;\n\tenvelope-from=kernel-team-bounces@lists.ubuntu.com;\n\treceiver=<UNKNOWN>)", "Received": [ "from huckleberry.canonical.com (huckleberry.canonical.com\n\t[91.189.94.19])\n\tby ozlabs.org (Postfix) with ESMTP id 3xpd2y5npZz9s7f;\n\tFri, 8 Sep 2017 23:10:02 +1000 (AEST)", "from localhost ([127.0.0.1] helo=huckleberry.canonical.com)\n\tby huckleberry.canonical.com with esmtp (Exim 4.86_2)\n\t(envelope-from <kernel-team-bounces@lists.ubuntu.com>)\n\tid 1dqJ2m-0000K6-2G; Fri, 08 Sep 2017 13:10:00 +0000", "from youngberry.canonical.com ([91.189.89.112])\n\tby huckleberry.canonical.com with esmtps\n\t(TLS1.0:DHE_RSA_AES_128_CBC_SHA1:128)\n\t(Exim 4.86_2) (envelope-from <joseph.salisbury@canonical.com>)\n\tid 1dqJ2i-0000JI-F9\n\tfor kernel-team@lists.ubuntu.com; Fri, 08 Sep 2017 13:09:56 +0000", "from 1.general.jsalisbury.us.vpn ([10.172.67.212] helo=salisbury)\n\tby youngberry.canonical.com with esmtpsa\n\t(TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32)\n\t(Exim 4.76) (envelope-from <joseph.salisbury@canonical.com>)\n\tid 1dqJ2i-0003kc-56\n\tfor kernel-team@lists.ubuntu.com; Fri, 08 Sep 2017 13:09:56 +0000", "by salisbury (Postfix, from userid 1000)\n\tid 267E97E00D2; Fri, 8 Sep 2017 09:09:55 -0400 (EDT)" ], "From": "Joseph Salisbury <joseph.salisbury@canonical.com>", "To": "kernel-team@lists.ubuntu.com", "Subject": "[SRU][Vivid][PATCH 0/1] CIFS: Fix maximum SMB2 header size", "Date": "Fri, 8 Sep 2017 09:09:54 -0400", "Message-Id": "<cover.1504875135.git.joseph.salisbury@canonical.com>", "X-Mailer": "git-send-email 2.7.4", "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>,\n\t<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>,\n\t<mailto:kernel-team-request@lists.ubuntu.com?subject=subscribe>", "MIME-Version": "1.0", "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>" }, "content": "BugLink: http://bugs.launchpad.net/bugs/1713884\n\n== SRU Justification ==\nCurrently the maximum size of SMB2/3 header is set incorrectly which\nleads to hanging of directory listing operations on encrypted SMB3\nconnections. Fix this by setting the maximum size to 170 bytes that\nis calculated as RFC1002 length field size (4) + transform header\nsize (52) + SMB2 header size (64) + create response size (56).\n\nThis bug is fixed by commit 9e37b1784f2be9397a903307574ee565bbadfd75 which is in \nmainline as of 4.13 final.\n\nCommit 9e37b1784f2b is needed in X, Z and A as well. However, there are context diffs\nfrom Vivid, so their SRUs will be sent separatly.\n\n\n== Fix ==\ncommit 9e37b1784f2be9397a903307574ee565bbadfd75\nAuthor: Pavel Shilovsky <pshilov@microsoft.com>\nDate: Thu Aug 24 15:16:40 2017 -0700\n\n CIFS: Fix maximum SMB2 header size\n\n== Regression Potential ==\nPatch is specific to to CIFS and only increases MAX_SMB2_HDR_SIZE.\n\nPatch submitted to kernel stable trees, so it will also be reivewed by a wider audience \nupstream.\n\n== Test Case ==\nA test kernel was built with this patch and tested by the original bug reporter.\nThe bug reporter states the test kernel resolved the bug.\n\n\nPavel Shilovsky (1):\n CIFS: Fix maximum SMB2 header size\n\n fs/cifs/smb2pdu.h | 4 ++--\n 1 file changed, 2 insertions(+), 2 deletions(-)" }