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=-8.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 4D86CC48BE5 for ; Wed, 16 Jun 2021 23:45:56 +0000 (UTC) Received: from smtp1.osuosl.org (smtp1.osuosl.org [140.211.166.138]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id CC1D2610EA for ; Wed, 16 Jun 2021 23:45:55 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CC1D2610EA Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=mit.edu Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linux-kernel-mentees-bounces@lists.linuxfoundation.org Received: from localhost (localhost [127.0.0.1]) by smtp1.osuosl.org (Postfix) with ESMTP id 8969A83A87; Wed, 16 Jun 2021 23:45:55 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp1.osuosl.org ([127.0.0.1]) by localhost (smtp1.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id QNzH_As4Pwwn; Wed, 16 Jun 2021 23:45:54 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [IPv6:2605:bc80:3010:104::8cd3:938]) by smtp1.osuosl.org (Postfix) with ESMTPS id BB42083A42; Wed, 16 Jun 2021 23:45:54 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id A2749C000D; Wed, 16 Jun 2021 23:45:54 +0000 (UTC) Received: from smtp4.osuosl.org (smtp4.osuosl.org [140.211.166.137]) by lists.linuxfoundation.org (Postfix) with ESMTP id 7BD10C000B for ; Wed, 16 Jun 2021 23:45:53 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp4.osuosl.org (Postfix) with ESMTP id 611C1415DA for ; Wed, 16 Jun 2021 23:45:53 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp4.osuosl.org ([127.0.0.1]) by localhost (smtp4.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Azv4dFsOh6IN for ; Wed, 16 Jun 2021 23:45:52 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.8.0 Received: from outgoing.mit.edu (outgoing-auth-1.mit.edu [18.9.28.11]) by smtp4.osuosl.org (Postfix) with ESMTPS id 0D72D415D4 for ; Wed, 16 Jun 2021 23:45:51 +0000 (UTC) Received: from cwcc.thunk.org (pool-72-74-133-215.bstnma.fios.verizon.net [72.74.133.215]) (authenticated bits=0) (User authenticated as tytso@ATHENA.MIT.EDU) by outgoing.mit.edu (8.14.7/8.12.4) with ESMTP id 15GNjYBQ004246 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 16 Jun 2021 19:45:35 -0400 Received: by cwcc.thunk.org (Postfix, from userid 15806) id 9069E15C3CB8; Wed, 16 Jun 2021 19:45:34 -0400 (EDT) Date: Wed, 16 Jun 2021 19:45:34 -0400 From: "Theodore Ts'o" To: Anirudh Rayabharam Subject: Re: [PATCH v2] ext4: fix kernel infoleak via ext4_extent_header Message-ID: References: <20210506185655.7118-1-mail@anirudhrb.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20210506185655.7118-1-mail@anirudhrb.com> Cc: Andrew Morton , linux-kernel-mentees@lists.linuxfoundation.org, linux-kernel@vger.kernel.org, Andreas Dilger , Dave Kleikamp , syzbot+2dcfeaf8cb49b05e8f1a@syzkaller.appspotmail.com, linux-ext4@vger.kernel.org, Alex Tomas X-BeenThere: linux-kernel-mentees@lists.linuxfoundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: linux-kernel-mentees-bounces@lists.linuxfoundation.org Sender: "Linux-kernel-mentees" On Fri, May 07, 2021 at 12:26:54AM +0530, Anirudh Rayabharam wrote: > Initialize eh_generation of struct ext4_extent_header to prevent leaking > info to userspace. Fixes KMSAN kernel-infoleak bug reported by syzbot at: > http://syzkaller.appspot.com/bug?id=78e9ad0e6952a3ca16e8234724b2fa92d041b9b8 > > Reported-by: syzbot+2dcfeaf8cb49b05e8f1a@syzkaller.appspotmail.com > Fixes: a86c61812637 ("[PATCH] ext3: add extent map support") > Signed-off-by: Anirudh Rayabharam Applied, thanks. - Ted _______________________________________________ Linux-kernel-mentees mailing list Linux-kernel-mentees@lists.linuxfoundation.org https://lists.linuxfoundation.org/mailman/listinfo/linux-kernel-mentees