From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id EC578C2B9F4 for ; Mon, 28 Jun 2021 12:38:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CA18761993 for ; Mon, 28 Jun 2021 12:38:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232763AbhF1Mki (ORCPT ); Mon, 28 Jun 2021 08:40:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39504 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232502AbhF1Mki (ORCPT ); Mon, 28 Jun 2021 08:40:38 -0400 Received: from mail-pl1-x636.google.com (mail-pl1-x636.google.com [IPv6:2607:f8b0:4864:20::636]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 978A9C061574; Mon, 28 Jun 2021 05:38:11 -0700 (PDT) Received: by mail-pl1-x636.google.com with SMTP id v12so8851117plo.10; Mon, 28 Jun 2021 05:38:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=WT6v9uHvNGHnkrWHqw+IXv7PjvRxi0xOsDaWugRiQFY=; b=QBNZk2FzsKVZFkEr2ZWCddj45xygaewHlKrtuogtrs9agXtqPkt9I87Pg8ePtRsK86 4KEp6j8xcsOlWbj+fRie+VbcwEsfUlSm8Vsgl2GVEpbNYZ3XrfE8Q6a0TGPq5Yp6wmqt sp8FLOKmtRdqhCAdsdoRPhOzrf8mdLp3v+AG//g5HC9SKt6/KQQtnw9OCXOna1cHHdfm wahn2cLq5XCPwGdTgPwa5L/lzgSbnJq7Fs2dZUKPgxuN6DhvqHaWDS6t2UMfwFVkxEDy o31Lfac7whjlPs3ig1RDDBaBtd2O36KPpwfRPRrFIuS+enwfsX8ut6XBEwlQi1x3ZgMI XYkQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=WT6v9uHvNGHnkrWHqw+IXv7PjvRxi0xOsDaWugRiQFY=; b=JMN4iFmCiB03MDfpjaIBklF44yuws6qIpmFgVTY/ukJfYA0B6wZemWg7D464/31s9H 89eNE6JYPlGM1oQmFejW+tanQV+XWcLrwTSZKMRP5NzrtKZD18k/Im9Jvem2lcvZetxl 1e94xnTNeMe4HXfZQ/ZgjdTBBfH+CUVR44siwi4ceSIHFzj1ppl4UtwMLot9W3dIgGjR 5mUGwNyiqw610jfOPXX2XXdpbFdwvl93IUOXhD1fbi9umwGWkyG4LcTLEYYk0rQ4t3ey 6QD0oXn+cG2c2En2flB+lJ2NC0uIbhPRfmP6cWmAUPgrx9JGVNp4k6+HPvTYf+GY4f39 Re9w== X-Gm-Message-State: AOAM530iI/+4S2nVZwpEdSijqEDptSVAKAMtSk0ik5MwA08KTuYKrSbz X0xZoRjPBFsq5DouxbYmkGVF6axrB8/4mFFU X-Google-Smtp-Source: ABdhPJzdkVuvbX+deaYXYvXccVsMs9GcFLfmgAKhU2DOdgfJq1F9YYoem/FHmnOSftHIvwN94oL18A== X-Received: by 2002:a17:90a:fd11:: with SMTP id cv17mr5786896pjb.8.1624883890837; Mon, 28 Jun 2021 05:38:10 -0700 (PDT) Received: from localhost.localdomain ([36.62.198.29]) by smtp.gmail.com with ESMTPSA id gl17sm2822835pjb.13.2021.06.28.05.38.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 28 Jun 2021 05:38:10 -0700 (PDT) From: Wang Shilong To: linux-fsdevel@vger.kernel.org Cc: linux-xfs@vger.kernel.org, linux-ext4@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, wangshilong1991@gmail.com Subject: [PATCH v2] fs: forbid invalid project ID Date: Mon, 28 Jun 2021 08:38:01 -0400 Message-Id: <20210628123801.3511-1-wangshilong1991@gmail.com> X-Mailer: git-send-email 2.27.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org fileattr_set_prepare() should check if project ID is valid, otherwise dqget() will return NULL for such project ID quota. Signed-off-by: Wang Shilong --- v1->v2: try to fix in the VFS --- fs/ioctl.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/fs/ioctl.c b/fs/ioctl.c index 1e2204fa9963..5db5b218637b 100644 --- a/fs/ioctl.c +++ b/fs/ioctl.c @@ -845,6 +845,9 @@ static int fileattr_set_prepare(struct inode *inode, if (fa->fsx_cowextsize == 0) fa->fsx_xflags &= ~FS_XFLAG_COWEXTSIZE; + if (!projid_valid(KPROJIDT_INIT(fa->fsx_projid))) + return -EINVAL; + return 0; } -- 2.27.0