From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Mon, 13 Apr 2026 10:01:52 +0200 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1wCCEy-00Be4m-0N for lore@lore.pengutronix.de; Mon, 13 Apr 2026 10:01:52 +0200 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1wCCEx-0001EE-IY for lore@pengutronix.de; Mon, 13 Apr 2026 10:01:52 +0200 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:MIME-Version:Date:Message-Id:Subject:References:In-Reply-To:Cc: To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=NU6RQmmzpBU4E84PrPYbjycEVAIMaQByANePq+w8FMM=; b=aWOmRCkqrGOWFn7DnQ2/nxxwWS zQ3rQ40YoTvRP4ShyvQk9mRs6jGS7ZSYgV8sxTAqyPLDaC1GYuSjRB1PzO/OV2YOgwcMge4SbVBVo 7MyKA0XoKUrnp22sfaNyeSXoyTz1OPvOllf0Of5v+a+vbubUsNAiLD17qx9GJD7uzCZnGhdIDnMGd XfVFcIFc+jLsfPRJqmMBGdbsEtdEOD+9fcf50a7XnvsYsMjnWkjtcORl+8yzJFmKzginMo9t2r0Cz fxtQvP7DRYL1gihdCl7EYs8x55H0qhnP3hLKW6Zu+ThJgLl53lMNYGc2x471fM8Zguo6lMxtseeLr T2+h2ung==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1wCCEe-0000000FCtq-1dsk; Mon, 13 Apr 2026 08:01:32 +0000 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1wCCEb-0000000FCtV-3dhC for barebox@lists.infradead.org; Mon, 13 Apr 2026 08:01:31 +0000 Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1wCCEa-00011F-8x; Mon, 13 Apr 2026 10:01:28 +0200 Received: from dude02.red.stw.pengutronix.de ([2a0a:edc0:0:1101:1d::28]) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1wCCEZ-0058Mh-2o; Mon, 13 Apr 2026 10:01:27 +0200 Received: from [::1] (helo=dude02.red.stw.pengutronix.de) by dude02.red.stw.pengutronix.de with esmtp (Exim 4.98.2) (envelope-from ) id 1wCCEZ-0000000EhTH-3P41; Mon, 13 Apr 2026 10:01:27 +0200 From: Sascha Hauer To: BAREBOX , Sascha Hauer Cc: "Claude Opus 4.6 (1M context)" In-Reply-To: <20260402-fs-ext4-buffer-overflows-v1-0-b9f8a909fe58@pengutronix.de> References: <20260402-fs-ext4-buffer-overflows-v1-0-b9f8a909fe58@pengutronix.de> Message-Id: <177606728780.3503674.3158873297209454083.b4-ty@pengutronix.de> Date: Mon, 13 Apr 2026 10:01:27 +0200 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Mailer: b4 0.14.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260413_010129_934224_C2F5577D X-CRM114-Status: UNSURE ( 5.34 ) X-CRM114-Notice: Please train this message. X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:3::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.whiteo.stw.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-5.2 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE autolearn=ham autolearn_force=no version=3.4.2 Subject: Re: [PATCH 0/5] fs: ext4: protection against corrupted filesystems X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.whiteo.stw.pengutronix.de) On Thu, 02 Apr 2026 12:12:28 +0200, Sascha Hauer wrote: > This series contains fixes against corrupted filesystems leading to > buffer overflows or division-by-zero. All patches have been tested to be > effective with manipulated fs images. > > Applied, thanks! [1/5] fs: ext4: validate log2_block_size from superblock at mount https://git.pengutronix.de/cgit/barebox/commit/?id=51336e4bb94d (link may not be stable) [2/5] fs: ext4: reject superblocks with zero inodesz, gdsize or inodes_per_group https://git.pengutronix.de/cgit/barebox/commit/?id=7e5e1a8beb10 (link may not be stable) [3/5] fs: ext4: fix OOB read and infinite loop in ext_iterate() https://git.pengutronix.de/cgit/barebox/commit/?id=c8db92662d3f (link may not be stable) [4/5] fs: ext4: reject dirents with too-small direntlen to prevent infinite loops https://git.pengutronix.de/cgit/barebox/commit/?id=fcc049a6dd97 (link may not be stable) [5/5] fs: ext4: validate extent eh_entries against buffer capacity https://git.pengutronix.de/cgit/barebox/commit/?id=0e8658a76cff (link may not be stable) Best regards, -- Sascha Hauer