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 autolearn=unavailable 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 6D57AC433DF for ; Sat, 6 Jun 2020 14:03:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 54FFC207C4 for ; Sat, 6 Jun 2020 14:03:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728534AbgFFODF (ORCPT ); Sat, 6 Jun 2020 10:03:05 -0400 Received: from mail-il1-f198.google.com ([209.85.166.198]:37634 "EHLO mail-il1-f198.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726336AbgFFODE (ORCPT ); Sat, 6 Jun 2020 10:03:04 -0400 Received: by mail-il1-f198.google.com with SMTP id n2so8501559ilq.4 for ; Sat, 06 Jun 2020 07:03:03 -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=LJZAuGgzfSnkvHTmE00Iff6jeeP1gMLsIve5vPXs9J8=; b=QG/Yf3o6D1wGX0X3lWV+P8jm9s7RF+281SaN6uvLlaWFiNxBP/lDZfAX7vdRx0cqVg BycHtUuF+VByfDI24USRwsi9BuauISGcuHrN+CMIOTrwVIGOVcD6J/opFGJo6zvFLRYW Vmp5O7aIOnyHYgSpEwCHS4z1jARjLBsATLdyQGN+Dit5ODYLWFzPvpG6QjV40NHrUuTl /2Ws8Vd5VViRceudoiF134vzZmIKLuSMjbuLyEzHKvmghPCsYA15uGi+0Nk09dMr6xOM Sh9WwokuZJrrSZnsGjwasMDDHzPTsk7amGizRpGqXoE34eviyp/JLlE0U/00fmwS62Do +N8g== X-Gm-Message-State: AOAM530ZYzUhtS/X+/6rTIkSQY3xVswnW8PRueleoLRwyK3aILuOGvdd kh8+FpwXMwBeqnLLCH+924Jkpz6ALqOzQxyqciZcaaqYjXmg X-Google-Smtp-Source: ABdhPJzqn+ZSrIp0x1Uvpzv2NUn6zmkiotwyelbnzRpg0vI/I0Hdz20BOyamVd6Xl18toENqbikwZsxqDbgImYnWA1pkJU5UCXOc MIME-Version: 1.0 X-Received: by 2002:a02:998b:: with SMTP id a11mr13290455jal.117.1591452183421; Sat, 06 Jun 2020 07:03:03 -0700 (PDT) Date: Sat, 06 Jun 2020 07:03:03 -0700 In-Reply-To: <000000000000c54420059e4f08ff@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000011eb1705a76ad69d@google.com> Subject: Re: WARNING in dev_change_net_namespace From: syzbot To: andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, dsahern@gmail.com, ebiederm@xmission.com, edumazet@google.com, eric.dumazet@gmail.com, hawk@kernel.org, jiri@mellanox.com, johannes.berg@intel.com, john.fastabend@gmail.com, kafai@fb.com, kpsingh@chromium.org, kuba@kernel.org, leon@kernel.org, linux-kernel@vger.kernel.org, mkubecek@suse.cz, netdev@vger.kernel.org, saiprakash.ranjan@codeaurora.org, songliubraving@fb.com, suzuki.poulose@arm.com, syzkaller-bugs@googlegroups.com, will@kernel.org, yhs@fb.com Content-Type: text/plain; charset="UTF-8" Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org syzbot has bisected this bug to: commit 13dc4d836179444f0ca90188cfccd23f9cd9ff05 Author: Will Deacon Date: Tue Apr 21 14:29:18 2020 +0000 arm64: cpufeature: Remove redundant call to id_aa64pfr0_32bit_el0() bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=109aa3b1100000 start commit: 7ae77150 Merge tag 'powerpc-5.8-1' of git://git.kernel.org.. git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=129aa3b1100000 console output: https://syzkaller.appspot.com/x/log.txt?x=149aa3b1100000 kernel config: https://syzkaller.appspot.com/x/.config?x=be4578b3f1083656 dashboard link: https://syzkaller.appspot.com/bug?extid=830c6dbfc71edc4f0b8f syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12032832100000 Reported-by: syzbot+830c6dbfc71edc4f0b8f@syzkaller.appspotmail.com Fixes: 13dc4d836179 ("arm64: cpufeature: Remove redundant call to id_aa64pfr0_32bit_el0()") For information about bisection process see: https://goo.gl/tpsmEJ#bisection