From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f70.google.com (mail-io1-f70.google.com [209.85.166.70]) (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 9FB7D10A1B for ; Fri, 29 Dec 2023 11:10:06 +0000 (UTC) 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-f70.google.com with SMTP id ca18e2360f4ac-7bb454e1d64so103064539f.3 for ; Fri, 29 Dec 2023 03:10:06 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1703848206; x=1704453006; 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=Chb2vlA4LActVFiNDAWk46034fCzF24yUVD9dZLCdw8=; b=Pwp4jUk8k6x3x445OpdnpZibwXH+iyNwIG008CEUDeu1gRismTjuU9XIVgn2X22+/2 +zFf/VF74Po6VvW5pEIrbtDtEBdkv+/YzGJFpecZ6hFDO4CKDgkL4UODD/XkDRh3ftlc LGTTzAJgkip5qiyjq0i/WTOzGWthuSL2FK8iTT7R/b2HH87OLhopBAe+WmEDZ/I70zwT QiBy8hDEb22OkWBsb2VC0QWGnT7Z7mqTGTft8rxUG/oYxBWON3mzv2vGE36s3y3nQL6J a/9njR7R2eCy54uoX5dGwTpriZHZ4ShJ9gQ+igRRcdwVleefJFvejZ++qUwGCU8e3SU1 8Dvw== X-Gm-Message-State: AOJu0YxrrTfpPQiA5cSSlIadkEqEdA8MHS1k8bQQ0jwQW/cRuk2AD4Af k/vaoCDza6uW6DwFZvXFXtd3j7tdk/fpNCDrBSl5mk38x8eL X-Google-Smtp-Source: AGHT+IHAr/sReOuW9LQnCPgNK0h9F+fGh40frMAce3gfmCHtHoOoGhA/GPFuKB8kiqeobJrFgfXvBJqxqULrx4GYmQRVMrWcbGl4 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6638:4888:b0:46c:ff73:a8f5 with SMTP id ct8-20020a056638488800b0046cff73a8f5mr322643jab.4.1703848205863; Fri, 29 Dec 2023 03:10:05 -0800 (PST) Date: Fri, 29 Dec 2023 03:10:05 -0800 In-Reply-To: <20231229104551.1876-1-hdanton@sina.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000000fd27c060da413f5@google.com> Subject: Re: [syzbot] [net?] INFO: rcu detected stall in fq_pie_timer (2) From: syzbot To: hdanton@sina.com, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot has tested the proposed patch but the reproducer is still triggering an issue: INFO: rcu detected stall in corrupted rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2652 jiffies s: 13037 root: 0x1/. rcu: blocking rcu_node structures (internal RCU debug): Tested on: commit: 8735c7c8 Merge tag '6.7rc7-smb3-srv-fix' of git://git... git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master console output: https://syzkaller.appspot.com/x/log.txt?x=16b4a855e80000 kernel config: https://syzkaller.appspot.com/x/.config?x=c7bcb8f62f1e2c3e dashboard link: https://syzkaller.appspot.com/bug?extid=15c3ba3f7ca8ced0914d compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 patch: https://syzkaller.appspot.com/x/patch.diff?x=17522dcee80000