From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A649514B078; Thu, 4 Jul 2024 11:54:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720094089; cv=none; b=Mf5J8PHWursvnsVTPBqmwcXa8zmtw6RvZWsWwHlZF5DnjJODwrnkD9Rod4fomSgMOUj1rono2SavwxDPaCGyGjrtX/raxx2kFNibginHAm4+1FforJk0xinIUbGkoVTi7xUoWfV5UkWRPTYx5bjrvYy5kpwQQmaiEsbrhWzEpqI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720094089; c=relaxed/simple; bh=kl9XkKFbLG8/cbOoGcnf0G2TA157gAgTav5mc9Tz9mo=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=VdkTAyFisWg4SNvLJehA6XH/Z7b9eJrVUFJne7sQzWoOS+vtaAGg5ivsMYB3uQA6xRK4Am4n5/ZWCVF411PP14GGiUfSCPpVHlt/jaUuIdkjIEytJX3GN0T6qI+tiaSb15Fl6JGEcD4Z1LEgBq34I6eDEvcuT7pJXuRirknu2LM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=VdNLFNnE; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="VdNLFNnE" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A8260C4AF0A; Thu, 4 Jul 2024 11:54:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1720094089; bh=kl9XkKFbLG8/cbOoGcnf0G2TA157gAgTav5mc9Tz9mo=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=VdNLFNnEeg09B2Du5hdaglmBnpQb4YpGCY1fFY+n9RN84QB/EyxadevuGDZRWM6+K c2twI58mEvTjsigqDX9PIsE3nPRn3+yJd+OqX75YoXnfOpqagxA0d51RL66QDoAVJR zjaIpjySpyrLrIkyNioQf1JRnvCvUn5lr46UQJaM= Date: Thu, 4 Jul 2024 13:54:46 +0200 From: Greg Kroah-Hartman To: Yunseong Kim Cc: Jakub Kicinski , stable@vger.kernel.org, Paolo Abeni , Sasha Levin , Steven Rostedt , Taehee Yoo , Pedro Tammela , Austin Kim , MichelleJin , linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, netdev@vger.kernel.org, ppbuk5246@gmail.com, Yeoreum Yun Subject: Re: [PATCH] tracing/net_sched: NULL pointer dereference in perf_trace_qdisc_reset() Message-ID: <2024070441-stool-quit-b846@gregkh> References: <20240702180146.5126-2-yskelg@gmail.com> <20240703191835.2cc2606f@kernel.org> <2024070400-slideshow-professor-af80@gregkh> <6391f34a-b401-47e8-8093-d3b067f26c1b@gmail.com> Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <6391f34a-b401-47e8-8093-d3b067f26c1b@gmail.com> On Thu, Jul 04, 2024 at 08:16:34PM +0900, Yunseong Kim wrote: > Hi Greg, Hi Jakub > > On 7/4/24 6:32 오후, Greg Kroah-Hartman wrote: > > On Wed, Jul 03, 2024 at 07:18:35PM -0700, Jakub Kicinski wrote: > >> On Wed, 3 Jul 2024 03:01:47 +0900 Yunseong Kim wrote: > >>> Support backports for stable version. There are two places where null > >>> deref could happen before > >>> commit 2c92ca849fcc ("tracing/treewide: Remove second parameter of __assign_str()") > >>> Link: https://lore.kernel.org/linux-trace-kernel/20240516133454.681ba6a0@rorschach.local.home/ > >>> > >>> I've checked +v6.1.82 +v6.6.22 +v6.7.10, +v6.8, +6.9, this version need > >>> to be applied, So, I applied the patch, tested it again, and confirmed > >>> working fine. > >> > >> You're missing the customary "[ Upstream commit ]" > >> line, not sure Greg will pick this up. > >> > > > > Yeah, I missed this, needs to be very obvious what is happening here. > > I'll replace the version in the queues with this one now, thanks. > > > > greg k-h > > > Thank you for your hard work. > > > This fix need to be applied versions in +v5.10.213, +v5.15.152, +v6.1.82 > +v6.6.22, +v6.7.10, +v6.8, +6.9 > Already done.