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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id AA142C0032E for ; Sun, 22 Oct 2023 11:52:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231684AbjJVLwf (ORCPT ); Sun, 22 Oct 2023 07:52:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35342 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231321AbjJVLwe (ORCPT ); Sun, 22 Oct 2023 07:52:34 -0400 Received: from mail-oo1-f71.google.com (mail-oo1-f71.google.com [209.85.161.71]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4368E112 for ; Sun, 22 Oct 2023 04:52:32 -0700 (PDT) Received: by mail-oo1-f71.google.com with SMTP id 006d021491bc7-581ff5ab8d3so4473667eaf.1 for ; Sun, 22 Oct 2023 04:52:32 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1697975551; x=1698580351; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=IXk6ipW0WGEi096jxXY2WBNHGYG5TkCETUVTeM32tA0=; b=p9RmkTkhKre6IU+rjdKikbMijxls2MrToY2JtXzM8Qep8tUFCQPVeYLr9ftzSRIGR0 BklNawXtld0dxPnP6WgNBfKjQKNJ3+Vud3dChoDLuVSTP+iCH9agnHSpIsKUtbOTE5XM 0p6Yh/tC3DKrm/Fvbuq0r55PSdxI32zribklG6/euzCPfOxKEliCiZdNF/RdeCivPxZH DgXH2qv03Mdr/5Y506MQ3MXaEWyhd+XIejMj4xwkyO0G89Nn5xd8UkWvEFPwIhP8JIYP olUAdYGiG6jNy0MnlqMopmLt97So7Yr1KmnIvcIaKgn5L6fH6sGv2NrhLyqIOfZc5rbr yhxg== X-Gm-Message-State: AOJu0YwF45/xZDgIyNypnrDjHlenT0jnuQMxSlVHZVrR1cuz5kmZPfTK g7yyL8lO7QPbdcY7QLGW1CoRspdy/aEJ7xGMHZgHCcWRsZhB X-Google-Smtp-Source: AGHT+IEvMT+swEq07R5cFoGX9zXWQzPjIfXPkahPbW7Kk4Q7RWNC6vbYiKNsJ9CIG1L3psFE+kMdNeFhLTSurFuYmMgxx1r9D47G MIME-Version: 1.0 X-Received: by 2002:a05:6871:3308:b0:1e9:e1dd:b953 with SMTP id nf8-20020a056871330800b001e9e1ddb953mr2956608oac.1.1697975551329; Sun, 22 Oct 2023 04:52:31 -0700 (PDT) Date: Sun, 22 Oct 2023 04:52:31 -0700 In-Reply-To: <000000000000438c4a06031aff8b@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000930e6f06084cbd43@google.com> Subject: Re: [syzbot] [kernel?] INFO: rcu detected stall in schedule (6) From: syzbot To: davem@davemloft.net, edumazet@google.com, hdanton@sina.com, jiri@nvidia.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pabeni@redhat.com, peterz@infradead.org, syzkaller-bugs@googlegroups.com, tglx@linutronix.de Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syzbot has bisected this issue to: commit c2368b19807affd7621f7c4638cd2e17fec13021 Author: Jiri Pirko Date: Fri Jul 29 07:10:35 2022 +0000 net: devlink: introduce "unregistering" mark and use it during devlinks iteration bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=12ed7a99680000 start commit: a785fd28d31f Merge tag 'for-6.5-rc5-tag' of git://git.kern.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=11ed7a99680000 console output: https://syzkaller.appspot.com/x/log.txt?x=16ed7a99680000 kernel config: https://syzkaller.appspot.com/x/.config?x=3e670757e16affb dashboard link: https://syzkaller.appspot.com/bug?extid=77195ae75047f1438785 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15ec36ada80000 Reported-by: syzbot+77195ae75047f1438785@syzkaller.appspotmail.com Fixes: c2368b19807a ("net: devlink: introduce "unregistering" mark and use it during devlinks iteration") For information about bisection process see: https://goo.gl/tpsmEJ#bisection