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=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 B29C9C433FF for ; Thu, 15 Aug 2019 01:26:03 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 5EFEA2084F for ; Thu, 15 Aug 2019 01:26:03 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5EFEA2084F Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id C749F6B0003; Wed, 14 Aug 2019 21:26:02 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id C268C6B0005; Wed, 14 Aug 2019 21:26:02 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id B3A4A6B0007; Wed, 14 Aug 2019 21:26:02 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0211.hostedemail.com [216.40.44.211]) by kanga.kvack.org (Postfix) with ESMTP id 8CFA36B0003 for ; Wed, 14 Aug 2019 21:26:02 -0400 (EDT) Received: from smtpin05.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with SMTP id 355EC181AC9AE for ; Thu, 15 Aug 2019 01:26:02 +0000 (UTC) X-FDA: 75822920964.05.word80_34a8b96f97d16 X-HE-Tag: word80_34a8b96f97d16 X-Filterd-Recvd-Size: 3044 Received: from mail-oi1-f199.google.com (mail-oi1-f199.google.com [209.85.167.199]) by imf21.hostedemail.com (Postfix) with ESMTP for ; Thu, 15 Aug 2019 01:26:01 +0000 (UTC) Received: by mail-oi1-f199.google.com with SMTP id d12so9675oic.10 for ; Wed, 14 Aug 2019 18:26:01 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=ttLtpKYMG7TZIiRY6rerl+aSlij3EK8LczMw+lIahls=; b=J7S/1AKCUWeO6r+gUFp8nmzFaVPzmsdC6teXSfUt7zPVaHDHlEqU7EDIevILTnpwxZ +MIXzx55L81P7qkleSQxCVIbWzMURKjX5LiJQJql78hDBHP8WW1nV0T/W+8dETCISJt/ bGVe+Hqk0KHOHXDdZ2Wkusr4VMfwioMlaN8c4HJDSIeN4iCUuIwzctDJjYPNFAShXR7p ql/UzHpcmyt2/jmVgVJtecWYEKzb3TAehZvYEETro4ErqeKfybg3brLPuIT85V2H0BPv YCzaMsgzp/1RD+be81qkGmkWO9jxEkeHY4vdmE53vPhT5Dj/cWkyK8mNQ50xcRhJdC8P p5Fw== X-Gm-Message-State: APjAAAWJoO7yI/eGv0HH5ZPThbPgKAZ1ZG95Z1sW7jWoAPFQZjjgi8R6 I0lvNvJt5GjQwpBRmOmdmEZ62lnFgA65HFH1UF56ohiaE8Bc X-Google-Smtp-Source: APXvYqytQ/ELGP5+AJ2kRvyfVtkrEdnSzCYc+HmAHVK4EP5we3PzXTOJnMwkWDWnNNMXNALxzIO9aa+V7C7O9SGIfcOtTSnNTuWC MIME-Version: 1.0 X-Received: by 2002:a6b:dd18:: with SMTP id f24mr2888565ioc.97.1565832361042; Wed, 14 Aug 2019 18:26:01 -0700 (PDT) Date: Wed, 14 Aug 2019 18:26:01 -0700 In-Reply-To: <000000000000b851cb058f7e637f@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000a86cf005901dc156@google.com> Subject: Re: WARNING in cgroup_rstat_updated From: syzbot To: ast@kernel.org, daniel@iogearbox.net, hdanton@sina.com, john.fastabend@gmail.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes X-Bogosity: Ham, tests=bogofilter, spamicity=0.000263, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: syzbot has bisected this bug to: commit e9db4ef6bf4ca9894bb324c76e01b8f1a16b2650 Author: John Fastabend Date: Sat Jun 30 13:17:47 2018 +0000 bpf: sockhash fix omitted bucket lock in sock_close bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=143286e2600000 start commit: 31cc088a Merge tag 'drm-next-2019-07-19' of git://anongit... git tree: net-next final crash: https://syzkaller.appspot.com/x/report.txt?x=163286e2600000 console output: https://syzkaller.appspot.com/x/log.txt?x=123286e2600000 kernel config: https://syzkaller.appspot.com/x/.config?x=4dba67bf8b8c9ad7 dashboard link: https://syzkaller.appspot.com/bug?extid=370e4739fa489334a4ef syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16dd57dc600000 Reported-by: syzbot+370e4739fa489334a4ef@syzkaller.appspotmail.com Fixes: e9db4ef6bf4c ("bpf: sockhash fix omitted bucket lock in sock_close") For information about bisection process see: https://goo.gl/tpsmEJ#bisection