From patchwork Fri Nov 18 02:06:40 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiubo Li X-Patchwork-Id: 626162 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D6BF8C433FE for ; Fri, 18 Nov 2022 02:07:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240749AbiKRCHs (ORCPT ); Thu, 17 Nov 2022 21:07:48 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38462 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240746AbiKRCHr (ORCPT ); Thu, 17 Nov 2022 21:07:47 -0500 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A0EBA87A5A for ; Thu, 17 Nov 2022 18:06:52 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1668737211; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=aQfRGAJT8YybJ6Rqyzsdpd1icwaPrtbOkq+tkn5Lzuk=; b=TWaDH9WrGGLM6toNbT5w7/tdoVr9/QzRPWBibZzac6k2//Zp/fBP7+9P+manRrelHmnzR/ ujLCzZJj6cyxzKfui0MGQ3nqHKGJguHjzHr3568go1Zs9g3Kr22+fRUo/9vHqWJUMk7aju srkTkiW/TAsSf6Kd3y+CkpOgnZnm65s= Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-20-hQGwFr__MCa6qtadNgj0Dg-1; Thu, 17 Nov 2022 21:06:49 -0500 X-MC-Unique: hQGwFr__MCa6qtadNgj0Dg-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.rdu2.redhat.com [10.11.54.8]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 02C803804A4E; Fri, 18 Nov 2022 02:06:49 +0000 (UTC) Received: from lxbceph1.gsslab.pek2.redhat.com (unknown [10.72.47.117]) by smtp.corp.redhat.com (Postfix) with ESMTP id 69242C158CF; Fri, 18 Nov 2022 02:06:45 +0000 (UTC) From: xiubli@redhat.com To: ceph-devel@vger.kernel.org, jlayton@kernel.org, idryomov@gmail.com Cc: lhenriques@suse.de, mchangir@redhat.com, viro@zeniv.linux.org.uk, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, Xiubo Li Subject: [PATCH 0/2 v3] ceph: fix the use-after-free bug for file_lock Date: Fri, 18 Nov 2022 10:06:40 +0800 Message-Id: <20221118020642.472484-1-xiubli@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.8 Precedence: bulk List-ID: X-Mailing-List: ceph-devel@vger.kernel.org From: Xiubo Li Changed in V3: - switched to vfs_inode_has_locks() helper to fix another ceph file lock bug, thanks Jeff! - this patch series is based on Jeff's previous VFS lock patch: https://patchwork.kernel.org/project/ceph-devel/list/?series=695950 Changed in V2: - switch to file_lock.fl_u to fix the race bug - and the most code will be in the ceph layer Xiubo Li (2): ceph: switch to vfs_inode_has_locks() to fix file lock bug ceph: add ceph_lock_info support for file_lock fs/ceph/caps.c | 2 +- fs/ceph/locks.c | 24 ++++++++++++++++++------ fs/ceph/super.h | 1 - include/linux/ceph/ceph_fs_fl.h | 17 +++++++++++++++++ include/linux/fs.h | 2 ++ 5 files changed, 38 insertions(+), 8 deletions(-) create mode 100644 include/linux/ceph/ceph_fs_fl.h