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,DKIM_INVALID, DKIM_SIGNED,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 E6944C433B4 for ; Wed, 5 May 2021 16:19:54 +0000 (UTC) Received: from smtp4.osuosl.org (smtp4.osuosl.org [140.211.166.137]) (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 7998360FD9 for ; Wed, 5 May 2021 16:19:54 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7998360FD9 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org 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 smtp4.osuosl.org (Postfix) with ESMTP id 1D30A40346; Wed, 5 May 2021 16:19:54 +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 zAxCGqwE0bGy; Wed, 5 May 2021 16:19:50 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [IPv6:2605:bc80:3010:104::8cd3:938]) by smtp4.osuosl.org (Postfix) with ESMTP id 0D8094033E; Wed, 5 May 2021 16:19:49 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id D5C37C000D; Wed, 5 May 2021 16:19:49 +0000 (UTC) Received: from smtp4.osuosl.org (smtp4.osuosl.org [140.211.166.137]) by lists.linuxfoundation.org (Postfix) with ESMTP id 92D85C0001 for ; Wed, 5 May 2021 16:19:48 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp4.osuosl.org (Postfix) with ESMTP id 729EB40346 for ; Wed, 5 May 2021 16:19:48 +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 aqh0X5J6mRyb for ; Wed, 5 May 2021 16:19:47 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.8.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp4.osuosl.org (Postfix) with ESMTPS id 94A3D4033E for ; Wed, 5 May 2021 16:19:47 +0000 (UTC) Received: by mail.kernel.org (Postfix) with ESMTPSA id 9E4F46121F; Wed, 5 May 2021 16:19:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1620231587; bh=fT7+zpvoWRmNytMZL2ErSfKueKL5e/EoY6lsi8pRg/s=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=ACK3h/Z1y1ei7RhZZmJay3wwC2r70Mkq1UGqC9m+8ot1a05qF/bm3MPpdKXJeY3q5 1FsDEnX0pFhV+lJYGdVNxGlfHrIm/9uu5hu0N4BWVohSfusDQdQQCch0FP/9kCrmoG 8mPufec4nnVbS/NabyXAQ3nAI3MGYTaA5NiVxQjp+uiSk56q3E4KwkqW9CAN58egCV 7S6hFJZMtBy4VS4/HfaKFW6SMj9sIj9yeBJs16kHMDxv9Ja4l9nPKLJsSuhdTmm4Hw qSmEkEYh18RYjL2Ww9hntexWe6QlOVLZBHOVuUufqvE9ay+NH9yOa9tTlP2mW0P31n eEekriI6jap5A== Date: Wed, 5 May 2021 09:19:44 -0700 From: Eric Biggers To: Anirudh Rayabharam Subject: Re: [PATCH] ext4: fix kernel infoleak via ext4_extent_header Message-ID: References: <20210505133011.32484-1-mail@anirudhrb.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20210505133011.32484-1-mail@anirudhrb.com> Cc: Theodore Ts'o , linux-kernel@vger.kernel.org, Andreas Dilger , syzbot+2dcfeaf8cb49b05e8f1a@syzkaller.appspotmail.com, linux-ext4@vger.kernel.org, linux-kernel-mentees@lists.linuxfoundation.org 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 Wed, May 05, 2021 at 07:00:10PM +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 > Signed-off-by: Anirudh Rayabharam Can you include a "Fixes:" tag? - Eric _______________________________________________ Linux-kernel-mentees mailing list Linux-kernel-mentees@lists.linuxfoundation.org https://lists.linuxfoundation.org/mailman/listinfo/linux-kernel-mentees