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 6DB36C83F18 for ; Tue, 29 Aug 2023 22:58:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239998AbjH2W5k (ORCPT ); Tue, 29 Aug 2023 18:57:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47076 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241067AbjH2W52 (ORCPT ); Tue, 29 Aug 2023 18:57:28 -0400 Received: from mail-pj1-f69.google.com (mail-pj1-f69.google.com [209.85.216.69]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 68533139 for ; Tue, 29 Aug 2023 15:57:26 -0700 (PDT) Received: by mail-pj1-f69.google.com with SMTP id 98e67ed59e1d1-26f2dfb1fdbso5788716a91.2 for ; Tue, 29 Aug 2023 15:57:26 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1693349846; x=1693954646; 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=cAx6PSOlRe1SoOmdVLTfSTqRq8XYYm/GJtA05ydLXZQ=; b=bmQcpiiBmrdsRrFcsiPgHKAC4CHWLSW+oTKZZM/FSQtD3rgw8knnrCVbe4gGG6ip4j 50bTXwUyt6TP/ZrSZumTELUK7Q+9sHwjp2Fkp0H/P/gc9IRWBSWn0JdJSJmtEgu/Sm0K /IL0cVD/4kuJ2os/X9jv+bXKe5YN5ZvVQ8gngCoL5gIQVsvkf4oguDnvP+S1iLayhoX5 BSPWiQhjdhWH2MJX2kIpyU5vgPNhkKV8cQDkGsCn5XaOsSQWicd0SWUo8CZIeYXyY82q +iQlvr1sSYQNhIWzafjDU5mMeohrGSacAnYvTVt0DUfNnJivBBva1VdVhYlUMfGPvS8c 1iwg== X-Gm-Message-State: AOJu0Yx0dCEBP6VIYggEULoS003kaHVCn+jFAmruIdGg0Gd/Dyxj4TM8 8kGbQNQfE6qo9nSq4DACFLtrp8xwwWWbotc2FV5rDX1FI+he X-Google-Smtp-Source: AGHT+IEzdCowiZmXUDDhkbYINfZE/r+09JEfRrBJG3TV1PZiXW7dTgVeIl0Jj6WsJu8Hs/EFNhtwmwBtC0shQ2WpNjmc8DS1vxGs MIME-Version: 1.0 X-Received: by 2002:a17:90a:c908:b0:268:5c5d:25cf with SMTP id v8-20020a17090ac90800b002685c5d25cfmr153388pjt.4.1693349845961; Tue, 29 Aug 2023 15:57:25 -0700 (PDT) Date: Tue, 29 Aug 2023 15:57:25 -0700 In-Reply-To: <00000000000017ad3f06040bf394@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000000c97a4060417bcaf@google.com> Subject: Re: [syzbot] [net] INFO: rcu detected stall in sys_close (5) From: syzbot To: brauner@kernel.org, davem@davemloft.net, edumazet@google.com, eric.dumazet@gmail.com, gautamramk@gmail.com, hdanton@sina.com, jhs@mojatatu.com, jiri@resnulli.us, kuba@kernel.org, lesliemonis@gmail.com, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, mohitbhasi1998@gmail.com, netdev@vger.kernel.org, pabeni@redhat.com, sdp.sachin@gmail.com, syzkaller-bugs@googlegroups.com, tahiliani@nitk.edu.in, viro@zeniv.linux.org.uk, vsaicharan1998@gmail.com, xiyou.wangcong@gmail.com 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 ec97ecf1ebe485a17cd8395a5f35e6b80b57665a Author: Mohit P. Tahiliani Date: Wed Jan 22 18:22:33 2020 +0000 net: sched: add Flow Queue PIE packet scheduler bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=101bb718680000 start commit: 727dbda16b83 Merge tag 'hardening-v6.6-rc1' of git://git.k.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=121bb718680000 console output: https://syzkaller.appspot.com/x/log.txt?x=141bb718680000 kernel config: https://syzkaller.appspot.com/x/.config?x=45047a5b8c295201 dashboard link: https://syzkaller.appspot.com/bug?extid=e46fbd5289363464bc13 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14780797a80000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17c1fc9fa80000 Reported-by: syzbot+e46fbd5289363464bc13@syzkaller.appspotmail.com Fixes: ec97ecf1ebe4 ("net: sched: add Flow Queue PIE packet scheduler") For information about bisection process see: https://goo.gl/tpsmEJ#bisection