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=-3.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS 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 DB952C433E0 for ; Fri, 15 May 2020 00:44:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A21F0206B6 for ; Fri, 15 May 2020 00:44:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728654AbgEOAoH (ORCPT ); Thu, 14 May 2020 20:44:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46814 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1726046AbgEOAoG (ORCPT ); Thu, 14 May 2020 20:44:06 -0400 Received: from shards.monkeyblade.net (shards.monkeyblade.net [IPv6:2620:137:e000::1:9]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 851E5C061A0C; Thu, 14 May 2020 17:44:06 -0700 (PDT) Received: from localhost (unknown [IPv6:2601:601:9f00:477::3d5]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) (Authenticated sender: davem-davemloft) by shards.monkeyblade.net (Postfix) with ESMTPSA id 9ECBF14D69E20; Thu, 14 May 2020 17:44:05 -0700 (PDT) Date: Thu, 14 May 2020 17:44:04 -0700 (PDT) Message-Id: <20200514.174404.371938387358739530.davem@davemloft.net> To: madhuparnabhowmik10@gmail.com Cc: allison@lohutok.net, tglx@linutronix.de, ap420073@gmail.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kernel-mentees@lists.linuxfoundation.org, paulmck@kernel.org, cai@lca.pw, joel@joelfernandes.org, frextrite@gmail.com Subject: Re: [PATCH net] drivers: net: hamradio: Fix suspicious RCU usage warning in bpqether.c From: David Miller In-Reply-To: <20200514141115.16074-1-madhuparnabhowmik10@gmail.com> References: <20200514141115.16074-1-madhuparnabhowmik10@gmail.com> X-Mailer: Mew version 6.8 on Emacs 26.3 Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [149.20.54.216]); Thu, 14 May 2020 17:44:06 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: madhuparnabhowmik10@gmail.com Date: Thu, 14 May 2020 19:41:15 +0530 > From: Madhuparna Bhowmik > > This patch fixes the following warning: > ============================= > WARNING: suspicious RCU usage > 5.7.0-rc5-next-20200514-syzkaller #0 Not tainted > ----------------------------- > drivers/net/hamradio/bpqether.c:149 RCU-list traversed in non-reader section!! > > Since rtnl lock is held, pass this cond in list_for_each_entry_rcu(). > > Reported-by: syzbot+bb82cafc737c002d11ca@syzkaller.appspotmail.com > Signed-off-by: Madhuparna Bhowmik Applied, thanks. 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=-3.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 CD782C433DF for ; Fri, 15 May 2020 00:44:19 +0000 (UTC) Received: from silver.osuosl.org (smtp3.osuosl.org [140.211.166.136]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 68F9F206B6 for ; Fri, 15 May 2020 00:44:19 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 68F9F206B6 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=davemloft.net Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linux-kernel-mentees-bounces@lists.linuxfoundation.org Received: from localhost (localhost [127.0.0.1]) by silver.osuosl.org (Postfix) with ESMTP id 1B9732DC04; Fri, 15 May 2020 00:44:19 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from silver.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 9RXHaj47fTwo; Fri, 15 May 2020 00:44:14 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by silver.osuosl.org (Postfix) with ESMTP id 7B5792DA5A; Fri, 15 May 2020 00:44:14 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 5D816C0863; Fri, 15 May 2020 00:44:14 +0000 (UTC) Received: from fraxinus.osuosl.org (smtp4.osuosl.org [140.211.166.137]) by lists.linuxfoundation.org (Postfix) with ESMTP id F20FAC016F for ; Fri, 15 May 2020 00:44:12 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by fraxinus.osuosl.org (Postfix) with ESMTP id E7AC187BA3 for ; Fri, 15 May 2020 00:44:12 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from fraxinus.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Ekmf9CHccdgw for ; Fri, 15 May 2020 00:44:08 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from shards.monkeyblade.net (shards.monkeyblade.net [23.128.96.9]) by fraxinus.osuosl.org (Postfix) with ESMTPS id 8B94887BA1 for ; Fri, 15 May 2020 00:44:08 +0000 (UTC) Received: from localhost (unknown [IPv6:2601:601:9f00:477::3d5]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) (Authenticated sender: davem-davemloft) by shards.monkeyblade.net (Postfix) with ESMTPSA id 9ECBF14D69E20; Thu, 14 May 2020 17:44:05 -0700 (PDT) Date: Thu, 14 May 2020 17:44:04 -0700 (PDT) Message-Id: <20200514.174404.371938387358739530.davem@davemloft.net> To: madhuparnabhowmik10@gmail.com From: David Miller In-Reply-To: <20200514141115.16074-1-madhuparnabhowmik10@gmail.com> References: <20200514141115.16074-1-madhuparnabhowmik10@gmail.com> X-Mailer: Mew version 6.8 on Emacs 26.3 Mime-Version: 1.0 X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [149.20.54.216]); Thu, 14 May 2020 17:44:06 -0700 (PDT) Cc: paulmck@kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, cai@lca.pw, allison@lohutok.net, joel@joelfernandes.org, tglx@linutronix.de, linux-kernel-mentees@lists.linuxfoundation.org, ap420073@gmail.com Subject: Re: [Linux-kernel-mentees] [PATCH net] drivers: net: hamradio: Fix suspicious RCU usage warning in bpqether.c X-BeenThere: linux-kernel-mentees@lists.linuxfoundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: linux-kernel-mentees-bounces@lists.linuxfoundation.org Sender: "Linux-kernel-mentees" From: madhuparnabhowmik10@gmail.com Date: Thu, 14 May 2020 19:41:15 +0530 > From: Madhuparna Bhowmik > > This patch fixes the following warning: > ============================= > WARNING: suspicious RCU usage > 5.7.0-rc5-next-20200514-syzkaller #0 Not tainted > ----------------------------- > drivers/net/hamradio/bpqether.c:149 RCU-list traversed in non-reader section!! > > Since rtnl lock is held, pass this cond in list_for_each_entry_rcu(). > > Reported-by: syzbot+bb82cafc737c002d11ca@syzkaller.appspotmail.com > Signed-off-by: Madhuparna Bhowmik Applied, thanks. _______________________________________________ Linux-kernel-mentees mailing list Linux-kernel-mentees@lists.linuxfoundation.org https://lists.linuxfoundation.org/mailman/listinfo/linux-kernel-mentees