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=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 2B387C3A5A2 for ; Fri, 20 Sep 2019 15:44:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 05ADB208C0 for ; Fri, 20 Sep 2019 15:44:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2404288AbfITPog (ORCPT ); Fri, 20 Sep 2019 11:44:36 -0400 Received: from relay10.mail.gandi.net ([217.70.178.230]:37981 "EHLO relay10.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2403989AbfITPog (ORCPT ); Fri, 20 Sep 2019 11:44:36 -0400 Received: from gandi.net (lmontsouris-657-1-214-187.w90-63.abo.wanadoo.fr [90.63.246.187]) (Authenticated sender: thibaut.sautereau@clip-os.org) by relay10.mail.gandi.net (Postfix) with ESMTPSA id 51A0A240008; Fri, 20 Sep 2019 15:44:34 +0000 (UTC) Date: Fri, 20 Sep 2019 17:44:34 +0200 From: Thibaut Sautereau To: dm-devel@redhat.com, Alasdair Kergon , Mike Snitzer Cc: linux-kernel@vger.kernel.org Subject: dm-crypt error when CONFIG_CRYPTO_AUTHENC is disabled Message-ID: <20190920154434.GA923@gandi.net> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline User-Agent: Mutt/1.12.1 (2019-06-15) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, I just got a dm-crypt "crypt: Error allocating crypto tfm" error when trying to "cryptsetup open" a volume. I found out that it was only happening when I disabled CONFIG_CRYPTO_AUTHENC. drivers/md/dm-crypt.c includes the crypto/authenc.h header and seems to use some CRYPTO_AUTHENC-related stuff. Therefore, shouldn't CONFIG_DM_CRYPT select CONFIG_CRYPTO_AUTHENC? -- Thibaut Sautereau CLIP OS developer