From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f72.google.com (mail-io1-f72.google.com [209.85.166.72]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 64D8A1B59D for ; Wed, 6 Mar 2024 22:38:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.72 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709764685; cv=none; b=T5me7kqjZ5jRxh7D+nLVgy2fWcn1tgjQS2KriA9MkB20xVEy79NxM66iCEKz+kk2laEHJVEBUFbfSTySqywFq03F3K9q1V0Uhyg+EaxDK9WUJgfGXXoxLQOCfu55+gIV9ygkfnA2rINF5zZstKFN2whBKfvWtcVWFPYteZBYdmc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709764685; c=relaxed/simple; bh=aONfvMBLi+nGa8z5RQpjQsVQe9F1v8fIwL3IxZQZEyI=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=FZniR6yFuXjR9Bjy4qlsiO3WQ9+Ie1t5aGgoe7ooE4pt8tM4B6hGOe0agJzXjMRwUmC0Chs/4nDQs8P0OsLzhhOgx85D7QQ0FI3XC+r6PY3Ovwd9McYVsXm5o24F4atkz6q0LeZUfSeiJ2Blf/Y2wA7yKr6hRF7XRLbywFyhdPU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.72 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-io1-f72.google.com with SMTP id ca18e2360f4ac-7c7e21711d0so29995639f.3 for ; Wed, 06 Mar 2024 14:38:03 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1709764682; x=1710369482; 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=oQx8oyVkoBQfTgwpCDc5Joc1fA/0UhEcaF4wgBQJJZ8=; b=NGItxLlfEgj0+F4gocvYdO8YB5lc8uEh/SruMkg4MimnhzIXUk0AggkdtYgMrxtsIz JMMcSkog98y7vACeOVoA4lWH7OMQcfRQjOGolAuY2gKtUHfByQQ8qC+UIHQF16m4Nvke B+WwqbrcFjnIs0cG6ByAa1l+yGr/V2eXolR6Ro4e08Db+Qgs3YSxBlH1/0g+0DtTftmM YQ9CuCbgJ1ehTNclmndhC06y+2fX9XsKMZdefIH2ptBAtI2X6fmr11i4kew9Q2YLF3vc qhAonXFeIwiRAN4xGsX2yvsKOelfrzUNmcyVkJ4OB6GeHRzA2lTr5c1uC3MPqge6Tc05 xvHA== X-Forwarded-Encrypted: i=1; AJvYcCVGoSlUVMr+SYvNVhHDoaveLG2Zicackdw/KSxk1IE07qOFBzW7OTS8ElT5QPEs7z5cUQv+rFO/qoCiVIt/wxaevagw2Q3orA8spgYhtesN X-Gm-Message-State: AOJu0YwKQhWnKIlO/LgFmYH3NVF6v/fYBADTRPFdD4ZCudB4OVk0rgo2 pOywZjR0psYhCnLQXDoAL5LSlaFfpA4dZieOzVf2ZarvveUI45sE82yKenSI7t16t7vmYeiZKLM S0Vy6w3sLGcJKAfuP9pUKj+7FkHGDeZMcir8w9LazEIvwAbgO/S+7gVA= X-Google-Smtp-Source: AGHT+IGUeFlmZ563e7wj+Rf7wOdbVjqxtWnT0cqDf2LCScDa5TAdV8QLnpmJdPdM1DX82HvmD30tfAYPKrbIiXL+LIblSWlVilKs Precedence: bulk X-Mailing-List: netfilter-devel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6638:2181:b0:474:c5e2:384c with SMTP id s1-20020a056638218100b00474c5e2384cmr727865jaj.4.1709764682541; Wed, 06 Mar 2024 14:38:02 -0800 (PST) Date: Wed, 06 Mar 2024 14:38:02 -0800 In-Reply-To: <0000000000000c439a05daa527cb@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000008d7cfe0613059c97@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, michal.kubiak@intel.com, 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" syzbot suspects this issue was fixed by commit: commit 8c21ab1bae945686c602c5bfa4e3f3352c2452c5 Author: Eric Dumazet Date: Tue Aug 29 12:35:41 2023 +0000 net/sched: fq_pie: avoid stalls in fq_pie_timer() bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1338df0e180000 start commit: d4a7ce642100 igc: Fix Kernel Panic during ndo_tx_timeout c.. git tree: net 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 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: net/sched: fq_pie: avoid stalls in fq_pie_timer() For information about bisection process see: https://goo.gl/tpsmEJ#bisection