From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 22DC710F4 for ; Sun, 24 Sep 2023 10:59:20 +0000 (UTC) Received: from mail-oa1-f69.google.com (mail-oa1-f69.google.com [209.85.160.69]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 51CC0107 for ; Sun, 24 Sep 2023 03:59:18 -0700 (PDT) Received: by mail-oa1-f69.google.com with SMTP id 586e51a60fabf-1bf2e81ce63so9892874fac.1 for ; Sun, 24 Sep 2023 03:59:18 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1695553157; x=1696157957; 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=Jlk+O3J+o0kkp1OKytTuo5mn2nF+ogupL5uOl8zcGuA=; b=Ju06olCrIgfVm2Wuom7ZQBTHItms/5pvUdqcO51NJKbuM2KtkzuoXoD6TE05se0TVV wadu6gYGBQ5SGDWCjRhv/xct/yQQM/eFsErZRh0xSW808aspLJWXrcENJIx+wdKYRVcQ MW31+lnStHisHUcWmzP+vkgAcNGqjBdUQmaAnvcavJkPbKh7FE0ZjDLeoniKWUpPL7qK zX/JnW8bN/DiveEEL79cGLfuOr1hEaBPiACTjghV/tffUbePX7qsbQYhLHjD51WQwCpN 2uO5GEXe7zhWq+REQVUwJKgLgx+nRvJu+4mDaILQOnlHxRc8Pfyh26/uj17nz7EltgiG lpKw== X-Gm-Message-State: AOJu0YzQFGwr2Bm4K3RJZUVjDY8aWvbm6wNdJGqEsA16dJOWSsNTS/9K 678iHjcS/WuSVtq1GNCPxjCtm5WglpDkAgaHyF5vOtWz+9um X-Google-Smtp-Source: AGHT+IGp8vx1D9jMEB/i7wblpIR1qbSKkkYzRnZBs6mxLXQ6LjSZuwUrXWRzpxMUsQ4CTqUu0G4qMtnatkOXoDUjowcVzPeX9afh Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6870:9a93:b0:1d6:a9da:847 with SMTP id hp19-20020a0568709a9300b001d6a9da0847mr2947177oab.0.1695553157625; Sun, 24 Sep 2023 03:59:17 -0700 (PDT) Date: Sun, 24 Sep 2023 03:59:17 -0700 In-Reply-To: <0000000000000c439a05daa527cb@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000a87e66060618bb7e@google.com> Subject: Re: [syzbot] [netfilter?] INFO: rcu detected stall in gc_worker (3) From: syzbot To: bpf@vger.kernel.org, coreteam@netfilter.org, davem@davemloft.net, dvyukov@google.com, edumazet@google.com, fw@strlen.de, gautamramk@gmail.com, hdanton@sina.com, jhs@mojatatu.com, jiri@resnulli.us, kadlec@netfilter.org, kuba@kernel.org, lesliemonis@gmail.com, linux-kernel@vger.kernel.org, mohitbhasi1998@gmail.com, netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, pabeni@redhat.com, pablo@netfilter.org, paulmck@kernel.org, sdp.sachin@gmail.com, syzkaller-bugs@googlegroups.com, tahiliani@nitk.edu.in, tglx@linutronix.de, vsaicharan1998@gmail.com, xiyou.wangcong@gmail.com Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=0.9 required=5.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_BLOCKED,RCVD_IN_MSPIKE_H3, RCVD_IN_MSPIKE_WL,SORTED_RECIPS,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net 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=15c5748e680000 start commit: d4a7ce642100 igc: Fix Kernel Panic during ndo_tx_timeout c.. git tree: net final oops: https://syzkaller.appspot.com/x/report.txt?x=17c5748e680000 console output: https://syzkaller.appspot.com/x/log.txt?x=13c5748e680000 kernel config: https://syzkaller.appspot.com/x/.config?x=77b9a3cf8f44c6da dashboard link: https://syzkaller.appspot.com/bug?extid=eec403943a2a2455adaa syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1504b511a80000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=137bf931a80000 Reported-by: syzbot+eec403943a2a2455adaa@syzkaller.appspotmail.com Fixes: ec97ecf1ebe4 ("net: sched: add Flow Queue PIE packet scheduler") For information about bisection process see: https://goo.gl/tpsmEJ#bisection