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 060A6C432C0 for ; Sat, 23 Nov 2019 15:29:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D77E2205C9 for ; Sat, 23 Nov 2019 15:29:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726759AbfKWP3D (ORCPT ); Sat, 23 Nov 2019 10:29:03 -0500 Received: from mail-il1-f200.google.com ([209.85.166.200]:46457 "EHLO mail-il1-f200.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726487AbfKWP3C (ORCPT ); Sat, 23 Nov 2019 10:29:02 -0500 Received: by mail-il1-f200.google.com with SMTP id i74so9306658ild.13 for ; Sat, 23 Nov 2019 07:29:00 -0800 (PST) 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=iWEwDEb/a+W0LwDErZeV1TWmaFzTm+B32y2sBPFqXpk=; b=lm/YR/+Zw86wmeVK20HKEsQnyxHnOgMaUPzj5uqad1j02zYgERT7Ox2UQulFGPhANU nyb7bCJlJ33fyoyf3v6XCFdC2rrCekx5N8xPcUKm8Vf/OwB1VwVkSdYv+jZEdHFY2Xs2 KbUoEaZm8kX1fH+9F3RFuY0Ur6Zthj2/8ti0URAxxa5XfSsGD25yx7cjibG8kOCj/GPN a+7Vh66WaIRLC6FFHxiNAR5RHWIc5PAf5vDhsJNb8hqlDJG9ZvtcEOKKsUFgnZNIKoZZ yK37wiwbds8IjHawH4VpjMdwxZy/1tTWrDj6GMoFqFur7Au6unT1VmP5P23Nxk0WKl2p /GgA== X-Gm-Message-State: APjAAAVYylPE/jWsk6vRW7IeNdyjfxeXY4rYE2/BOSjLXNVETM6PdJAv GZxJcKYien6VzIVnMGoIyv8xV1SF35X9IwQEcITtl2nn9ea+ X-Google-Smtp-Source: APXvYqzR7IZ3ZU8hAUSstgRytaL4XuHPpFM7jal23gEyT0xSvDbcd0YQn0CiO0dsSMXH+yS4xQX/b0XtFOETy+C64+sWmMQUxIiu MIME-Version: 1.0 X-Received: by 2002:a92:868f:: with SMTP id l15mr23646952ilh.199.1574522940544; Sat, 23 Nov 2019 07:29:00 -0800 (PST) Date: Sat, 23 Nov 2019 07:29:00 -0800 In-Reply-To: <00000000000009f9a305708faf46@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000008fdf12059805304e@google.com> Subject: Re: WARNING in cgroup_apply_control_enable From: syzbot To: akpm@linux-foundation.org, davem@davemloft.net, guro@fb.com, hannes@cmpxchg.org, linux-kernel@vger.kernel.org, lizefan@huawei.com, lizf@cn.fujitsu.com, menage@google.com, mingo@redhat.com, rostedt@goodmis.org, syzkaller-bugs@googlegroups.com, tj@kernel.org Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syzbot has bisected this bug to: commit 0d5936344f30aba0f6ddb92b030cb6a05168efe6 Author: Tejun Heo Date: Mon Sep 25 16:00:19 2017 +0000 sched: Implement interface for cgroup unified hierarchy bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=16142bd2e00000 start commit: 3a272031 Merge tag 'libnvdimm-fixes-4.19-rc8' of git://git.. git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=15142bd2e00000 console output: https://syzkaller.appspot.com/x/log.txt?x=11142bd2e00000 kernel config: https://syzkaller.appspot.com/x/.config?x=88e9a8a39dc0be2d dashboard link: https://syzkaller.appspot.com/bug?extid=5493b2a54d31d6aea629 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11c890f6400000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10a94dd6400000 Reported-by: syzbot+5493b2a54d31d6aea629@syzkaller.appspotmail.com Fixes: 0d5936344f30 ("sched: Implement interface for cgroup unified hierarchy") For information about bisection process see: https://goo.gl/tpsmEJ#bisection