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 AE233C433F5 for ; Mon, 11 Apr 2022 15:07:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1347631AbiDKPKH (ORCPT ); Mon, 11 Apr 2022 11:10:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34728 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234367AbiDKPKC (ORCPT ); Mon, 11 Apr 2022 11:10:02 -0400 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 32A2ADEE8; Mon, 11 Apr 2022 08:07:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=kaOYbB7BPRuQaA6MSo+ry7RpxuhRfvVv8fz/JnNUxz8=; b=fjLiTm+vkn8ToPkhqxJ9r/2JHE 6PU6Us8m6sMsugih5LHYR/OmBND3Ay1ajeJE260aTCfKQvwHxemQNuMnvqQxCkCWKArY4fn5FA2hR yWtB7EpN10msubpx9aFTZByz6VTehNutR3ZeLzOMHvsSgZVAC/qmbgYR3wNq6pwFS3TMTzSCbyQZL AS98yxFPTUj6ehFKyE6VXPo2J1KacTIokYLZ/kTpsG3pD9SSU5MSHao55JfuLhiotMh6s52wcvFhC oTisq+Mly46j02oPIv01FBg+El5Nee+170jKpTzvIO0huA/7xzC/jKNZMvjMFzGJVQ7f67NdnpV4S qjqfMrFQ==; Received: from hch by bombadil.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1ndvdR-009UOP-4a; Mon, 11 Apr 2022 15:07:21 +0000 Date: Mon, 11 Apr 2022 08:07:21 -0700 From: Christoph Hellwig To: Tom Rix Cc: tim@cyberelk.net, axboe@kernel.dk, jejb@linux.ibm.com, martin.petersen@oracle.com, nathan@kernel.org, ndesaulniers@google.com, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, llvm@lists.linux.dev Subject: Re: [PATCH] security: do not leak information in ioctl Message-ID: References: <20220409145137.67592-1-trix@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220409145137.67592-1-trix@redhat.com> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Wrong subject prefix, and this really should be split into one patch for pcd and one for sr. The sr prt looks sensible to me. But for pcd why can't you just initialize buffer using char buffer[32] = { }; and be done with it?