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=-0.4 required=3.0 tests=FROM_LOCAL_HEX, 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 C25FCC2D0DB for ; Sun, 26 Jan 2020 15:25:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A36AC2071A for ; Sun, 26 Jan 2020 15:25:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726438AbgAZPZD (ORCPT ); Sun, 26 Jan 2020 10:25:03 -0500 Received: from mail-il1-f199.google.com ([209.85.166.199]:35822 "EHLO mail-il1-f199.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726080AbgAZPZC (ORCPT ); Sun, 26 Jan 2020 10:25:02 -0500 Received: by mail-il1-f199.google.com with SMTP id h18so5770141ilc.2 for ; Sun, 26 Jan 2020 07:25:02 -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=RjRY8jb+5UI6pjP3QDbg06fxukj7aEOy3CbF/dNamkc=; b=HSYJADeh7WFCyNOmo43q9EuCNiU90UtwEabH3UsWdVJbeJeKXtvWkrU58o25toPfca iAqVWL4+VFMKEFT61Em8PtxAjh5vAZ/SXLzPlFGdC5NWyXiBIs7KLdeiXo67GMEboJcC 5V3Tk5xpVl9pKwW92V+1zKFSmmjKV9UD1ASpHYBCWGJVy9y0kcXqKe2CMNhdLWaOl6Ha dikgpFKXtTGE1piTld8Gqlpp57MYtpcPjrt64imqLkuTatRaV8z62l4C5/GcRR7IwhIA KzFeGwckWaJX55kbK/s9O9doqzQY2PJTqfVRmnLv5vFkpX4G+0hm60LjUSkHGmDwTbFO dVJA== X-Gm-Message-State: APjAAAXVc88tCgw/eAoJOjYGiVYtwP3beqB1jyqs8htTPJxgssxtwADR bhogZkC6Y7CeXgoMao5SyRRQal+DkSWpqcb5Jn+oLuaJvYfH X-Google-Smtp-Source: APXvYqxx8mMeFFgL/ZBVyqZz9kOD/SiLe3QSxztT5lA5/Xu2sGr9dWlclDW5GVH4eU2r0rYEIZFk2fSbaf1Mo91+scqt7ZMxnXOr MIME-Version: 1.0 X-Received: by 2002:a6b:600f:: with SMTP id r15mr9168784iog.54.1580052302010; Sun, 26 Jan 2020 07:25:02 -0800 (PST) Date: Sun, 26 Jan 2020 07:25:02 -0800 In-Reply-To: <0000000000003cf909059a69fe9a@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000003021ea059d0c98b4@google.com> Subject: Re: INFO: rcu detected stall in addrconf_rs_timer (3) From: syzbot To: davem@davemloft.net, edumazet@google.com, jhs@mojatatu.com, jiri@resnulli.us, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com, xiyou.wangcong@gmail.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 suspects this bug was fixed by commit: commit d9e15a2733067c9328fb56d98fe8e574fa19ec31 Author: Eric Dumazet Date: Mon Jan 6 14:10:39 2020 +0000 pkt_sched: fq: do not accept silly TCA_FQ_QUANTUM bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1625d479e00000 start commit: a1ec57c0 net: stmmac: tc: Fix TAPRIO division operation git tree: net-next kernel config: https://syzkaller.appspot.com/x/.config?x=7159d94cd4de714e dashboard link: https://syzkaller.appspot.com/bug?extid=c22c6b9dce8e773ddcb6 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=168e33b6e00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=178c160ae00000 If the result looks correct, please mark the bug fixed by replying with: #syz fix: pkt_sched: fq: do not accept silly TCA_FQ_QUANTUM For information about bisection process see: https://goo.gl/tpsmEJ#bisection