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=-15.8 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,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 B156FC433ED for ; Wed, 7 Apr 2021 15:42:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8201D6113A for ; Wed, 7 Apr 2021 15:42:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230342AbhDGPmV (ORCPT ); Wed, 7 Apr 2021 11:42:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35992 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233167AbhDGPmU (ORCPT ); Wed, 7 Apr 2021 11:42:20 -0400 Received: from mail-ua1-x935.google.com (mail-ua1-x935.google.com [IPv6:2607:f8b0:4864:20::935]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CF7CFC061756 for ; Wed, 7 Apr 2021 08:42:09 -0700 (PDT) Received: by mail-ua1-x935.google.com with SMTP id h34so5859768uah.5 for ; Wed, 07 Apr 2021 08:42:09 -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:in-reply-to:references :mime-version:content-transfer-encoding; bh=yqteTSf6p6nxzxiSU2r+6vOVftJyvMAoVhFVE+RjAhE=; b=KFFCm7rGDfV7cRYPmIQRhtr+NlW+TcMxcj3GVrHoBr7JQhobCSYK50Z1sv/Ow6PhY0 85Ye7k1XNFQ7MtZ+gmnoFiIEZDFU+uU4lj+oUR/OHxa1UL+bcJDrFDKsP/gv2WFC0PJ+ ahUaIrzf8ImPTDRhslvKBXpgOjsDYsRkJHSmiHyvaMxIIRIN+ExOvw/2KJnEiTkxjEDn z7taIoOS6ITL0YY9rfhVOeiELkDVVg/KNBZdjRF10OF1x3Kh4KaIqsdgyIQ2sVTEW+S/ MSN4qUdcWJzQCogZ0u0EPGU4lZOtByfZzDZYKVIXkg/J8sp0Lrc9nVYR83QwGLLdCqgt n09A== 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:in-reply-to :references:mime-version:content-transfer-encoding; bh=yqteTSf6p6nxzxiSU2r+6vOVftJyvMAoVhFVE+RjAhE=; b=EFevbF8kuui3AMU+zqHRxRBwqFAuEZ+0sFxqyDu4BwCvj7Obp0YTSLFXpT3lJgKg+M 0UoIq80kmLfmFnexWO+DyFvEVQ+4pF/jCb2sFUTOxWqJEr+qGnTcJRF5NG5hn3oju92k F5YqeKh8KSSJAR5Uwa/FlHUiqpjGleaYC+bWrbTHaS2a0UoTFW9WMwVF/Ac81bgJ/+qW forDA4bl+aO/6aElF8OFFV3lZlvu2X7S4tEM83L3Apzej2e3Pnw1J4FnHOAA5wR2PFkV i0km+/WOrw1W9bdVDfxNUGEa9teezshifnbImIqY0AUa3pv6vDd8SJnstu5m5qr34kAD pMCw== X-Gm-Message-State: AOAM533wE3HMH5TS3SDD4Dw43qVRw/ExyhhWW6tCxEqh97A5OwRdFk24 iR1sWCnv9FlhMAhmDs8mM+kpSceUzQ0= X-Google-Smtp-Source: ABdhPJx4vViKWLQGlzdeQkjekwMy06sKCzon5UYhrVuX7s+C1asP2hV3wUk6SABIsq0EMHxcrnZ5fw== X-Received: by 2002:ab0:6f98:: with SMTP id f24mr2609687uav.101.1617810128894; Wed, 07 Apr 2021 08:42:08 -0700 (PDT) Received: from leah-cloudtop2.c.googlers.com.com (162.116.74.34.bc.googleusercontent.com. [34.74.116.162]) by smtp.googlemail.com with ESMTPSA id 81sm1172630uaq.3.2021.04.07.08.42.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 07 Apr 2021 08:42:08 -0700 (PDT) From: Leah Rumancik To: linux-ext4@vger.kernel.org Cc: Leah Rumancik Subject: [PATCH v2 1/2] ext4: wipe filename upon file deletion Date: Wed, 7 Apr 2021 15:42:01 +0000 Message-Id: <20210407154202.1527941-2-leah.rumancik@gmail.com> X-Mailer: git-send-email 2.31.0.208.g409f899ff0-goog In-Reply-To: <20210407154202.1527941-1-leah.rumancik@gmail.com> References: <20210407154202.1527941-1-leah.rumancik@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org Zero out filename and file type fields when file is deleted. Signed-off-by: Leah Rumancik --- fs/ext4/namei.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c index 883e2a7cd4ab..0147c86de99e 100644 --- a/fs/ext4/namei.c +++ b/fs/ext4/namei.c @@ -2492,6 +2492,10 @@ int ext4_generic_delete_entry(struct inode *dir, else de->inode = 0; inode_inc_iversion(dir); + + memset(de_del->name, 0, de_del->name_len); + memset(&de_del->file_type, 0, sizeof(__u8)); + return 0; } i += ext4_rec_len_from_disk(de->rec_len, blocksize); -- 2.31.0.208.g409f899ff0-goog