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 A7F86C4CECE for ; Thu, 19 Sep 2019 05:36:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 893EE21924 for ; Thu, 19 Sep 2019 05:36:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727968AbfISFgX (ORCPT ); Thu, 19 Sep 2019 01:36:23 -0400 Received: from a.mx.secunet.com ([62.96.220.36]:38570 "EHLO a.mx.secunet.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727435AbfISFgX (ORCPT ); Thu, 19 Sep 2019 01:36:23 -0400 Received: from localhost (localhost [127.0.0.1]) by a.mx.secunet.com (Postfix) with ESMTP id 5F19C20591; Thu, 19 Sep 2019 07:36:21 +0200 (CEST) X-Virus-Scanned: by secunet Received: from a.mx.secunet.com ([127.0.0.1]) by localhost (a.mx.secunet.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id b2ZgNklMSnpS; Thu, 19 Sep 2019 07:36:20 +0200 (CEST) Received: from mail-essen-01.secunet.de (mail-essen-01.secunet.de [10.53.40.204]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by a.mx.secunet.com (Postfix) with ESMTPS id A735E2058E; Thu, 19 Sep 2019 07:36:20 +0200 (CEST) Received: from gauss2.secunet.de (10.182.7.193) by mail-essen-01.secunet.de (10.53.40.204) with Microsoft SMTP Server id 14.3.439.0; Thu, 19 Sep 2019 07:36:20 +0200 Received: by gauss2.secunet.de (Postfix, from userid 1000) id 3FBC2318016F; Thu, 19 Sep 2019 07:36:20 +0200 (CEST) Date: Thu, 19 Sep 2019 07:36:20 +0200 From: Steffen Klassert To: syzbot , , , , , , , , , , , , , , , , , Subject: Re: INFO: task hung in cancel_delayed_work_sync Message-ID: <20190919053620.GG2879@gauss3.secunet.de> References: <0000000000001348750592a8ef50@google.com> <20190919051545.GB666@sol.localdomain> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <20190919051545.GB666@sol.localdomain> User-Agent: Mutt/1.9.4 (2018-02-28) X-EXCLAIMER-MD-CONFIG: 2c86f778-e09b-4440-8b15-867914633a10 Sender: linux-crypto-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org On Wed, Sep 18, 2019 at 10:15:45PM -0700, Eric Biggers wrote: > > Reproducer involves pcrypt, so probably the pcrypt deadlock again... > https://lkml.kernel.org/linux-crypto/20190817054743.GE8209@sol.localdomain/ I'll submit the patch I proposed here in case noone has a better idea how to fix this now: https://lkml.kernel.org/linux-crypto/20190821063704.GM2879@gauss3.secunet.de/ The original patch is from you, I did some modifications to forbid pcrypt if an underlying algorithm needs a fallback. May I leave your 'Signed off' on this patch, or just quote that the initial version is from you?