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=-5.4 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS, T_DKIMWL_WL_HIGH,URIBL_BLOCKED,USER_AGENT_MUTT autolearn=unavailable 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 02D38C43219 for ; Thu, 2 May 2019 16:39:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B81B2208CB for ; Thu, 2 May 2019 16:39:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1556815151; bh=gDPHbxt9LVMK97B1ZrH7kdXOc8HPO6c4G8WTx15fEc4=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=2A/2WBDQMtGJvZ5erF7BG7Ha+KXpxowMT+ffrmsXgaP+NT2Mcbn41TFRzbbia1cM5 NIW8RuMd2ODCTD78TVkOW8pduWNgtquyGmzQ9KNQYTLUYXRA/2QiHjQHdGVwV33F8P ozjJNG/aGAQmDRR8FcqGQPwazQsJkQMSmS5Pxo+0= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726415AbfEBQjK (ORCPT ); Thu, 2 May 2019 12:39:10 -0400 Received: from mail.kernel.org ([198.145.29.99]:55152 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726338AbfEBQjK (ORCPT ); Thu, 2 May 2019 12:39:10 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 79DA720651; Thu, 2 May 2019 16:39:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1556815150; bh=gDPHbxt9LVMK97B1ZrH7kdXOc8HPO6c4G8WTx15fEc4=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=140yulC8DoadNyUZ55ayejb1130wdBTw4D4+IfUpMQyEniosXTdV1uwLZ5z/ezqbc kCooq5wv7R8fe1Y8i714S8VgLKGRANs7Fy89FW2dzlhDU+rpO20wdeZ41ET5bd/PsJ piHve0dSw8BVyFfDIjaUL2P5vN4iJeXt2eQBUjsI= Date: Thu, 2 May 2019 18:39:07 +0200 From: Greg Kroah-Hartman To: Andrey Konovalov Cc: linux-usb@vger.kernel.org, linux-media@vger.kernel.org, Alan Stern , Mike Isely , Mauro Carvalho Chehab , linux-kernel@vger.kernel.org, syzbot+af8f8d2ac0d39b0ed3a0@syzkaller.appspotmail.com, syzbot+170a86bf206dd2c6217e@syzkaller.appspotmail.com Subject: Re: [PATCH] media: pvrusb2: use a different format for warnings Message-ID: <20190502163907.GA14995@kroah.com> References: MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.11.4 (2019-03-13) Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Message-ID: <20190502163907.ICha7H-ZhP9C0X-ZjdvViu3XEZy7moLf0l6k0w6Y3Tg@z> On Thu, May 02, 2019 at 06:09:26PM +0200, Andrey Konovalov wrote: > When the pvrusb2 driver detects that there's something wrong with the > device, it prints a warning message. Right now those message are > printed in two different formats: > > 1. ***WARNING*** message here > 2. WARNING: message here > > There's an issue with the second format. Syzkaller recognizes it as a > message produced by a WARN_ON(), which is used to indicate a bug in the > kernel. However pvrusb2 prints those warnings to indicate an issue with > the device, not the bug in the kernel. > > This patch changes the pvrusb2 driver to consistently use the first > warning message format. This will unblock syzkaller testing of this > driver. > > Reported-by: syzbot+af8f8d2ac0d39b0ed3a0@syzkaller.appspotmail.com > Reported-by: syzbot+170a86bf206dd2c6217e@syzkaller.appspotmail.com > Signed-off-by: Andrey Konovalov Reviewed-by: Greg Kroah-Hartman