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=-4.1 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, 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 284A7C433E3 for ; Thu, 13 Aug 2020 23:25:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EFFED2224D for ; Thu, 13 Aug 2020 23:25:11 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=canb.auug.org.au header.i=@canb.auug.org.au header.b="eWcVOK9z" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726622AbgHMXZL (ORCPT ); Thu, 13 Aug 2020 19:25:11 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40196 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726205AbgHMXZK (ORCPT ); Thu, 13 Aug 2020 19:25:10 -0400 Received: from ozlabs.org (bilbo.ozlabs.org [IPv6:2401:3900:2:1::2]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 735DBC061757; Thu, 13 Aug 2020 16:25:09 -0700 (PDT) Received: from authenticated.ozlabs.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mail.ozlabs.org (Postfix) with ESMTPSA id 4BSN2m19kFz9sTN; Fri, 14 Aug 2020 09:25:03 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=canb.auug.org.au; s=201702; t=1597361105; bh=aXgzpd9CFe3IkARlfe+AQV0Aqs2X036V+1GWrROBFIw=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=eWcVOK9z+WZHI2OSKf4O5f3bZCO0P9ZWucX8p2GDqQ2Vac9SxRm9Dz80wNoFDpW4W FvaExKdF+vWiy+dZQg24ztR/kYUmE1/QNvApo5z/2DYSLO7MQ8qVAaMZfFxV8QdBhW g+hZ2cAIY465Ab2gFdJDbWWwHTxDBK1XZTlvGiptdMOP9QQXauk+wLB/ADwPEFkbV2 d6290J0NUD7bDtta9hK2/A0E8MZa9yZA8/Yh03fgfQ42Co/zWRU4FEEF6DUq29UUn7 Etx8KfnLycpcsUULQiVzhwEJ9dpUBMz+MgpjZaONzc0h3xqX9MVSbzi30cnIUd0CTO 6+Jg0zNuuPZkg== Date: Fri, 14 Aug 2020 09:25:02 +1000 From: Stephen Rothwell To: syzbot Cc: akpm@linux-foundation.org, cgroups@vger.kernel.org, hannes@cmpxchg.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-next@vger.kernel.org, mhocko@kernel.org, syzkaller-bugs@googlegroups.com, vdavydov.dev@gmail.com Subject: Re: linux-next boot error: WARNING in mem_cgroup_css_alloc Message-ID: <20200814092502.34c48995@canb.auug.org.au> In-Reply-To: <0000000000001c467c05acbf3196@google.com> References: <0000000000001c467c05acbf3196@google.com> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="Sig_/krubGEnJdNa0L.7SdKkKDu_"; protocol="application/pgp-signature"; micalg=pgp-sha256 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --Sig_/krubGEnJdNa0L.7SdKkKDu_ Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Hi, On Thu, 13 Aug 2020 02:47:26 -0700 syzbot wrote: > > syzbot found the following issue on: >=20 > HEAD commit: e6d113ac Add linux-next specific files for 20200813 > git tree: linux-next > console output: https://syzkaller.appspot.com/x/log.txt?x=3D11db9fd6900000 > kernel config: https://syzkaller.appspot.com/x/.config?x=3D2055bd0d83d5e= e16 > dashboard link: https://syzkaller.appspot.com/bug?extid=3Df96cbc69d9803e6= 63664 > compiler: gcc (GCC) 10.1.0-syz 20200507 >=20 > IMPORTANT: if you fix the issue, please add the following tag to the comm= it: > Reported-by: syzbot+f96cbc69d9803e663664@syzkaller.appspotmail.com #syz fix: mm: memcontrol: fix warning when allocating the root cgroup --=20 Cheers, Stephen Rothwell --Sig_/krubGEnJdNa0L.7SdKkKDu_ Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEENIC96giZ81tWdLgKAVBC80lX0GwFAl81y84ACgkQAVBC80lX 0Gx3uQf/cE5sU5zeLP79spf/R6yO7PvwNO1YLwQmnE4CA4b4g0MysfpTq8s1a0A1 o21sS9jpRfKECBmfzY6C15EubWYulmjB8IUpBUXIKT1Gy71gucsA9VlNQyeVQ/Wf DWIQTx5BrVOH1pzTz1BH/cIpg/XHJ2FV9+uKeICmMEAJE/ZbKgH1jF5d8dkKgKjD e1hZW+PQ9zxqReE5KVYZezq7WDCfz5jtis8mQQg5U2km4T31asNzA1KhV2abTluL lKinlQ2TiPpsaBJu0DRoiqqO/h/gItgXe9Y5LrzX7JW52AN7SeNo6SeHXyK7UwdB wAhg3+q30hcai1t3HnYdxru+9aLIcA== =uE3e -----END PGP SIGNATURE----- --Sig_/krubGEnJdNa0L.7SdKkKDu_--