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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1948FC433EF for ; Sun, 5 Dec 2021 12:50:47 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 867E36B0078; Sun, 5 Dec 2021 07:50:36 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 8178D6B007B; Sun, 5 Dec 2021 07:50:36 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 705ED6B007D; Sun, 5 Dec 2021 07:50:36 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (relay034.a.hostedemail.com [64.99.140.34]) by kanga.kvack.org (Postfix) with ESMTP id 5D8866B0078 for ; Sun, 5 Dec 2021 07:50:36 -0500 (EST) Received: from smtpin01.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay10.hostedemail.com (Postfix) with ESMTP id 84EBC548 for ; Sun, 5 Dec 2021 10:22:17 +0000 (UTC) X-FDA: 78883350714.01.6D680AB Received: from mo4-p01-ob.smtp.rzone.de (mo4-p01-ob.smtp.rzone.de [85.215.255.53]) by imf21.hostedemail.com (Postfix) with ESMTP id C01B9D0369C8 for ; Sun, 5 Dec 2021 10:22:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; t=1638699719; s=strato-dkim-0002; d=chronox.de; h=References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Cc:Date: From:Subject:Sender; bh=w29/FAlmYkr2r/ds8uAmjC9rizw3Oh2i6q43H5La4OI=; b=G+6prlYFUn/kyLrEcwnRIwoKT5Q/7dWCCECnoaayRVfVEmRM4dEx6ROxWBPF30tgrg jIRtSGQs/O1WQ0DkzmRSLJSLMiLLnI5TJbU+pN2x0kKjhivwxth+QVrTnOp8bNmn+Y5a Y+MBN+CGyf7kK9rcmvOHvPUIXU8gf0WYj/hNYXO/8T0UH0OnahSI3WYAwlEGloNMRGn+ 9REeXnoC/0SHdU7nrCpmtE/BTjBnqTQKuqt5hvMjiymhjB2AJiQEmOxHp8TbKTGSpumj Y3A8sPafErP7pILpdx+TlISK3kyVhukf3/m+GnpR+AOqOl3VTZGAfJe2TbYdOlVpqeku RS3A== X-RZG-AUTH: ":P2ERcEykfu11Y98lp/T7+hdri+uKZK8TKWEqNyiHySGSa9k9xmwdNnzGHXPZJfSf8vUi" X-RZG-CLASS-ID: mo00 Received: from positron.chronox.de by smtp.strato.de (RZmta 47.34.10 DYNA|AUTH) with ESMTPSA id 006230xB5ALvu70 (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256 bits)) (Client did not present a certificate); Sun, 5 Dec 2021 11:21:57 +0100 (CET) From: Stephan =?ISO-8859-1?Q?M=FCller?= To: kernel test robot Cc: Herbert Xu , Mat Martineau , LKML , Linux Memory Management List , lkp@lists.01.org, lkp@intel.com Subject: Re: [security] d3b04a4398: WARNING:at_crypto/kdf_sp800108.c:#crypto_kdf108_init Date: Sun, 05 Dec 2021 11:21:56 +0100 Message-ID: <3438006.aCxCBeP46V@positron.chronox.de> In-Reply-To: <20211130080419.GC29514@xsang-OptiPlex-9020> References: <20211130080419.GC29514@xsang-OptiPlex-9020> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" X-Stat-Signature: 5pkckubqux7akr4b7r1soczhjenzsaj3 Authentication-Results: imf21.hostedemail.com; dkim=pass header.d=chronox.de header.s=strato-dkim-0002 header.b=G+6prlYF; spf=none (imf21.hostedemail.com: domain of smueller@chronox.de has no SPF policy when checking 85.215.255.53) smtp.mailfrom=smueller@chronox.de; dmarc=none X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: C01B9D0369C8 X-HE-Tag: 1638699736-796845 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000220, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Am Dienstag, 30. November 2021, 09:04:19 CET schrieb kernel test robot: Hi, ... > > > +------------------------------------------------------+------------+------- > -----+ > | | d792134423 | > | | d3b04a4398 | > > +------------------------------------------------------+------------+------- > -----+ > | boot_successes | 14 | 0 > | | boot_failures | 0 | > | 16 | WARNING:at_crypto/kdf_sp800108.c:#crypto_kdf108_init | 0 > | | 16 | EIP:crypto_kdf108_init > | | 0 | 16 | > +------------------------------------------------------+------------+------- > -----+ > > > If you fix the issue, kindly add following tag > Reported-by: kernel test robot > > > [ 18.648980][ T1] WARNING: CPU: 0 PID: 1 at crypto/kdf_sp800108.c:138 > crypto_kdf108_init (crypto/kdf_sp800108.c:136) [ 18.649900][ T1] > Modules linked in: The issue is that the self-test fails for 16 out of 30 times, i.e. it is kind of random when it happens or not. I am unable to reproduce it with i386 and clang-13. I can also not reproduce it with GCC. Nor do I see an obvious issue in the code that points to either uninitizlized memory or otherwise could affect the test result. I keep trying with Clang-14 Ciao Stephan