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=-2.3 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, T_DKIMWL_WL_HIGH,USER_AGENT_MUTT 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 EEDE8C43218 for ; Tue, 11 Jun 2019 11:57:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C6F8B2145D for ; Tue, 11 Jun 2019 11:57:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1560254251; bh=Uq1aKoA58IIxt5ESBHMCw3b1bddlMyP0ZMlndO8Tey8=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=1ytYkjNj1EayNs81W7CU/eExrIXozFrGOkEs2r00VLx5uOJoKEE0FRNp2sulM3qv4 Z3lIZvhf7bxuAfV1+SEeRUVjH26igh8PwmMSyEGwMUX/YYKlNJyZia6j75U2/AXQuR ZVitc//dHsWKpMGtZUZQtl5kly2OXsAt/a464c94= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2404301AbfFKL5a (ORCPT ); Tue, 11 Jun 2019 07:57:30 -0400 Received: from mail.kernel.org ([198.145.29.99]:39210 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2403877AbfFKL5a (ORCPT ); Tue, 11 Jun 2019 07:57:30 -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 023EF2089E; Tue, 11 Jun 2019 11:57:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1560254249; bh=Uq1aKoA58IIxt5ESBHMCw3b1bddlMyP0ZMlndO8Tey8=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=OWjsNlssvDMH8z3OuHuhqcoB1rPmf2+uIA+IZnZiTR01fqENkttGKZNAMK8oczd7N gP20Yh/caE+WNjzeL25FOTONFF9KdvxGYn9ZRqi57ZdNGfAGnkW9lMpplCrkgYIqGf nvPqbamCeD2juW/MYVxN+OFjDE4129aYopPIWbn4= Date: Tue, 11 Jun 2019 13:57:27 +0200 From: Greg KH To: Miles Chen Cc: stable@vger.kernel.org, Vladimir Davydov , Michal Hocko , Johannes Weiner , Jaegeuk Kim , Bradley Bolen , Linus Torvalds Subject: Re: backport commit ("739f79fc9db1 mm: memcontrol: fix NULL pointer crash in test_clear_page_writeback()") to linux-4.9-stable Message-ID: <20190611115727.GA19615@kroah.com> References: <1560243467.26425.8.camel@mtkswgap22> <20190611103407.GA3486@kroah.com> <20190611111817.GA12260@kroah.com> <1560253172.2479.12.camel@mtkswgap22> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1560253172.2479.12.camel@mtkswgap22> User-Agent: Mutt/1.12.0 (2019-05-25) Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On Tue, Jun 11, 2019 at 07:39:32PM +0800, Miles Chen wrote: > On Tue, 2019-06-11 at 13:18 +0200, Greg KH wrote: > > On Tue, Jun 11, 2019 at 12:34:07PM +0200, Greg KH wrote: > > > On Tue, Jun 11, 2019 at 04:57:47PM +0800, Miles Chen wrote: > > > > Hi reviewers, > > > > > > > > I suggest to backport commit "739f79fc9db1 mm: memcontrol: fix NULL > > > > pointer crash in test_clear_page_writeback()" to linux-4.9 stable tree. > > > > > > > > This email reports a NULL pointer crash in test_clear_page_writeback() > > > > in android common kernel-4.9. There is a fix ("739f79fc9db1 mm: > > > > memcontrol: fix NULL pointer crash in test_clear_page_writeback()") in > > > > kernel-4.13. > > > > > > > > > > > > commit: 739f79fc9db1b38f96b5a5109b247a650fbebf6d > > > > subject: mm: memcontrol: fix NULL pointer crash in > > > > test_clear_page_writeback() > > > > kernel version to apply to: Linux-4.9 > > > > > > It does not apply cleanly to the 4.9.y tree, can you provide a working > > > backport of it that I can apply? > > thanks for the fast reply: > Sorry I do not have a working backport now. > I tried to find the correct patchset but failed. Ok, please send it when you have a working backport, and cc: everyone then. thanks, greg k-h