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=-2.2 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, 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 58730C43603 for ; Sat, 7 Dec 2019 17:35:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 234E324670 for ; Sat, 7 Dec 2019 17:35:13 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=rajagiritech-edu-in.20150623.gappssmtp.com header.i=@rajagiritech-edu-in.20150623.gappssmtp.com header.b="jSli4jXD" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726511AbfLGRe2 (ORCPT ); Sat, 7 Dec 2019 12:34:28 -0500 Received: from mail-pl1-f194.google.com ([209.85.214.194]:40236 "EHLO mail-pl1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726414AbfLGRe2 (ORCPT ); Sat, 7 Dec 2019 12:34:28 -0500 Received: by mail-pl1-f194.google.com with SMTP id g6so4035575plp.7 for ; Sat, 07 Dec 2019 09:34:28 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=rajagiritech-edu-in.20150623.gappssmtp.com; s=20150623; h=date:from:to:cc:subject:message-id:mime-version:content-disposition :user-agent; bh=tPWpSnwJ2COIRhD9qb77po5FOe0i3trGmFgluWtfyyI=; b=jSli4jXDgNnaJy+iRKywzdvnk6EOhsjOwG0Lf5T+fJYaWCOj2yzYpqzGtdMXUM0np6 mtHAnme/N43DM5yKZKTEKFzRa9ny8XoQ2AGlaxMAnoZXPRsto5uhJrHhtylhPBWA/cyh H2fMLVyRpzr6f+9s7DQpmdYgQx3c1T2G4z4y2pJJGbYIHQN61op0PeTkE6jXJrWV3LMq pT3dSeQg2XNA58VmoyQJ/AeUvhEfcQ3SAxg7gVnKV9fAaTjfDtoveNeikrw1FFmu5kMV qjki+3fWgjaMc5fByVsDAqR2gnRTaIi5xcUZQjLSOmNxIMxx+n2JbzJRexwNh3OTmNgM TQKA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:mime-version :content-disposition:user-agent; bh=tPWpSnwJ2COIRhD9qb77po5FOe0i3trGmFgluWtfyyI=; b=mcA6Xfn4rODqDO/vTBwONYmwlgMTcJTJG8hshOHPFcJgnP8rGDXacNJcWRdax1bgw2 lWEgvz2R83mg22EpeE1zB8qQboJanvf2HXFF2E69jlF9EVmcEhcj2D1q4u3xh9asd3KR 9lObz6avVfcV89gezXF77C1qRIXPMD1A4pKPXN8HrjpYR4BYOAWIQhA7wgDSkRG9LLqb ca4eMgoblYUWBD3FKRNJ2WyoIdO7dJ9kROOJ8VYFQ0oc8mESqfdG39UJOasDIWaTnNUD kp7GeLiBAO/sJcmn1Wmzwsxs6WgQnuZR3YdmbvrcN4qiMQxA7BddtLCUpWqR6AxybGq9 40Sg== X-Gm-Message-State: APjAAAVpsBOe9GvrYO7mF9W464tM9RWFk4cATwDJBB2c1I+a2r1n8xHQ liV9NrbYIeNoFBwjrsM7tfUYbA== X-Google-Smtp-Source: APXvYqyjffLJTjWelmui7B6GTt8oKp0HoxP98kQhATKXEaIb5Zsc6WZeEBR1JoWAD5vvrXNKdeKQ/g== X-Received: by 2002:a17:902:830b:: with SMTP id bd11mr20191188plb.317.1575740067449; Sat, 07 Dec 2019 09:34:27 -0800 (PST) Received: from debian ([122.164.203.149]) by smtp.gmail.com with ESMTPSA id w11sm15981912pfn.4.2019.12.07.09.34.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 07 Dec 2019 09:34:26 -0800 (PST) Date: Sat, 7 Dec 2019 23:04:20 +0530 From: Jeffrin Jose To: peterz@infradead.org, mingo@redhat.com, will@kernel.org Cc: linux-kernel@vger.kernel.org Subject: [PROBLEM]: WARNING: lock held when returning to user space! (5.4.1 #16 Tainted: G ) Message-ID: <20191207173420.GA5280@debian> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.12.2 (2019-09-21) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org hello all, i got the following output related from typical dmesg output from 5.4.1 kernel ================================================ WARNING: lock held when returning to user space! 5.4.1 #16 Tainted: G E ------------------------------------------------ tpm2-abrmd/691 is leaving the kernel with locks still held! 2 locks held by tpm2-abrmd/691: #0: ffff8881ee784ba8 (&chip->ops_sem){.+.+}, at: tpm_try_get_ops+0x2b/0xc0 [tpm] #1: ffff8881ee784d88 (&chip->tpm_mutex){+.+.}, at: tpm_try_get_ops+0x57/0xc0 [tpm] -- software engineer rajagiri school of engineering and technology