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=-18.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=ham 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 8C2E5C433DB for ; Mon, 1 Mar 2021 19:42:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 503A66024A for ; Mon, 1 Mar 2021 19:42:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237796AbhCATmD (ORCPT ); Mon, 1 Mar 2021 14:42:03 -0500 Received: from mail.kernel.org ([198.145.29.99]:50722 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242076AbhCATfH (ORCPT ); Mon, 1 Mar 2021 14:35:07 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 8FD3F64EE7; Mon, 1 Mar 2021 17:13:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1614618808; bh=YH0HHJxTO3JKvY10XdVCF98QJ/N+9tGj7lBuxQBAdBA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=sIuxzbDYHXifkLJkJ1Bny7tChshrw7lZGQt3PewJl7Ll8/lFQro6TI3TGSdL6LzVw rxm6Hjh408e414XHkplQASVzQblA8vGXt5y6clFbYvctJypoR+FeRkgsOtzSdsHsN7 vct4E9jNBlT0vxo8qZ2grs+JFS85K7ANr7hkRvv4= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Jairaj Arava , Sathyanarayana Nujella , Pierre-Louis Bossart , Shuming Fan , Ranjani Sridharan , Mark Brown , Sasha Levin Subject: [PATCH 5.10 223/663] ASoC: rt5682: Fix panic in rt5682_jack_detect_handler happening during system shutdown Date: Mon, 1 Mar 2021 17:07:51 +0100 Message-Id: <20210301161152.832340405@linuxfoundation.org> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20210301161141.760350206@linuxfoundation.org> References: <20210301161141.760350206@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Sathyanarayana Nujella [ Upstream commit 45a2702ce10993eda7a5b12690294782d565519c ] During Coldboot stress tests, system encountered the following panic. Panic logs depicts rt5682_i2c_shutdown() happened first and then later jack detect handler workqueue function triggered. This situation causes panic as rt5682_i2c_shutdown() resets codec. Fix this panic by cancelling all jack detection delayed work. Panic log: [ 20.936124] sof_pci_shutdown [ 20.940248] snd_sof_device_shutdown [ 20.945023] snd_sof_shutdown [ 21.126849] rt5682_i2c_shutdown [ 21.286053] rt5682_jack_detect_handler [ 21.291235] BUG: kernel NULL pointer dereference, address: 000000000000037c [ 21.299302] #PF: supervisor read access in kernel mode [ 21.305254] #PF: error_code(0x0000) - not-present page [ 21.311218] PGD 0 P4D 0 [ 21.314155] Oops: 0000 [#1] PREEMPT SMP NOPTI [ 21.319206] CPU: 2 PID: 123 Comm: kworker/2:3 Tainted: G U 5.4.68 #10 [ 21.333687] ACPI: Preparing to enter system sleep state S5 [ 21.337669] Workqueue: events_power_efficient rt5682_jack_detect_handler [snd_soc_rt5682] [ 21.337671] RIP: 0010:rt5682_jack_detect_handler+0x6c/0x279 [snd_soc_rt5682] Fixes: a50067d4f3c1d ('ASoC: rt5682: split i2c driver into separate module') Signed-off-by: Jairaj Arava Signed-off-by: Sathyanarayana Nujella Reviewed-by: Pierre-Louis Bossart Reviewed-by: Shuming Fan Signed-off-by: Ranjani Sridharan Link: https://lore.kernel.org/r/20210205171428.2344210-1-ranjani.sridharan@linux.intel.com Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- sound/soc/codecs/rt5682-i2c.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/sound/soc/codecs/rt5682-i2c.c b/sound/soc/codecs/rt5682-i2c.c index 6b4e0eb30c89a..7e652843c57d9 100644 --- a/sound/soc/codecs/rt5682-i2c.c +++ b/sound/soc/codecs/rt5682-i2c.c @@ -268,6 +268,9 @@ static void rt5682_i2c_shutdown(struct i2c_client *client) { struct rt5682_priv *rt5682 = i2c_get_clientdata(client); + cancel_delayed_work_sync(&rt5682->jack_detect_work); + cancel_delayed_work_sync(&rt5682->jd_check_work); + rt5682_reset(rt5682); } -- 2.27.0