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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id BCC1EC61DF4 for ; Sat, 25 Nov 2023 12:42:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231960AbjKYMmu (ORCPT ); Sat, 25 Nov 2023 07:42:50 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44814 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231802AbjKYMmr (ORCPT ); Sat, 25 Nov 2023 07:42:47 -0500 Received: from mail-pg1-f199.google.com (mail-pg1-f199.google.com [209.85.215.199]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6A78DBF for ; Sat, 25 Nov 2023 04:42:53 -0800 (PST) Received: by mail-pg1-f199.google.com with SMTP id 41be03b00d2f7-5aaae6f46e1so3287541a12.3 for ; Sat, 25 Nov 2023 04:42:53 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1700916173; x=1701520973; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=MVWFhLs8ORSFO/NO9yPaeWB3lSAwZhu+e7DVkC4j4oY=; b=GVsuOJrOLn5heQH2FE3hZkm6BrKg78PhiDN/YCkbAnDZNHfi6T3stUxTJWToMqeHKX +yYIZrLQ7uPj20gV/ACmiD04LfoCrsFsyXsOekcdJ33U6ix+QGDWCpXQnfEGS4xEWgfy LSjtQvQ+9rnTb7A1Gw8adkfdDXy9CbykmVCSmkJbzcdkap1GoyeaNKstLPmy8PteWNtJ Rjlj8V8kLXZn9NqKhosyM3D3BNwGPo6frHtZe++qKaq8HGEZlHdUjbmfnnvzB0PI5xqq 1nhPNkw4EfZ1sN/0cjLgAsVZ6BuO08CR+lte/ErDxhKHVIMmbUMWdVSzFSfE502NsxdC sZlg== X-Gm-Message-State: AOJu0YwcT+CARusBy+h6lLABctfJWnisc7/PjnWt0bNGMAEbZrZnk7rf Eh2G+MZsbgHnYaJ/bQrsAdWlR5pWOlUacGO9vK0PkenXHg5AZhs= X-Google-Smtp-Source: AGHT+IGmwvj0uhcxUM2+OVOVH00RKehTmiix306e+Pd3JQ2bYnu8+329vmUx6Bav0U8rEIoPM8XXZvpxqEt0hWm3DxyVKv/fcoli MIME-Version: 1.0 X-Received: by 2002:a63:154c:0:b0:5c1:589d:b3dc with SMTP id 12-20020a63154c000000b005c1589db3dcmr984573pgv.1.1700916173006; Sat, 25 Nov 2023 04:42:53 -0800 (PST) Date: Sat, 25 Nov 2023 04:42:52 -0800 In-Reply-To: <000000000000fb2f84060ad4da7f@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000048efa9060af96848@google.com> Subject: Re: [syzbot] [ntfs3?] WARNING in indx_insert_into_buffer From: syzbot To: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org For archival purposes, forwarding an incoming command email to linux-kernel@vger.kernel.org. *** Subject: [ntfs3?] WARNING in indx_insert_into_buffer Author: eadavis@qq.com please test WARNING in indx_insert_into_buffer #syz test https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 037266a5f723 diff --git a/fs/ntfs3/index.c b/fs/ntfs3/index.c index cf92b2433f7a..a625302a3b1e 100644 --- a/fs/ntfs3/index.c +++ b/fs/ntfs3/index.c @@ -1909,8 +1909,11 @@ indx_insert_into_buffer(struct ntfs_index *indx, struct ntfs_inode *ni, * Undo critical operations. */ indx_mark_free(indx, ni, new_vbn >> indx->idx2vbn_bits); - memcpy(hdr1, hdr1_saved, used1); + kfree(hdr1); + hdr1 = (struct INDEX_HDR *)hdr1_saved; indx_write(indx, ni, n1, 0); + kfree(up_e); + return err; } out: