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=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 6F52EC433E0 for ; Fri, 22 Jan 2021 12:59:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 22362230FC for ; Fri, 22 Jan 2021 12:59:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727179AbhAVM6j (ORCPT ); Fri, 22 Jan 2021 07:58:39 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60682 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727066AbhAVM6i (ORCPT ); Fri, 22 Jan 2021 07:58:38 -0500 Received: from mail.skyhub.de (mail.skyhub.de [IPv6:2a01:4f8:190:11c2::b:1457]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F14B1C06174A; Fri, 22 Jan 2021 04:57:57 -0800 (PST) Received: from zn.tnic (p200300ec2f0c15006a0f3bad299fee59.dip0.t-ipconnect.de [IPv6:2003:ec:2f0c:1500:6a0f:3bad:299f:ee59]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.skyhub.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id 73D101EC03E1; Fri, 22 Jan 2021 13:57:55 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1611320275; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:in-reply-to:in-reply-to: references:references; bh=0pY7e06EduD9wfMLJll3GyDKoPwVC4ON7p0l4ewku7k=; b=lX2Xi3xc/wQDEtcJpsAjPLPd9YveLEthCpvB0MUUPR+cAzgL8avh0eNpZZRKzFWsADcffk FBvQrJZXkfr2tx1A68xl9iT6IBwMWVIuUF9fZHJ6NfJ0j97eP7x7RJwHTyQ14SFXZOHVEL juIKXwV5mA7sKtYJBH7N6La7oXh69j4= Date: Fri, 22 Jan 2021 13:57:48 +0100 From: Borislav Petkov To: Kalle Valo Cc: Jiri Slaby , Nick Kossifidis , Luis Chamberlain , Ping-Ke Shih , linux-wireless@vger.kernel.org, lkml Subject: Re: net/wireless/reg.c:144 suspicious rcu_dereference_check() usage! Message-ID: <20210122125748.GH4867@zn.tnic> References: <20210122101124.GE4867@zn.tnic> <20210122105034.GF4867@zn.tnic> <87v9bpb1t0.fsf@codeaurora.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <87v9bpb1t0.fsf@codeaurora.org> Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org On Fri, Jan 22, 2021 at 02:20:43PM +0200, Kalle Valo wrote: > Can you try this commit: > > 51d62f2f2c50 cfg80211: Save the regulatory domain with a lock > > https://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211.git/commit/?id=51d62f2f2c50 Yap, that fixes both machines, thx! Reported-by: Borislav Petkov Tested-by: Borislav Petkov -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette