From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f197.google.com (mail-il1-f197.google.com [209.85.166.197]) (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 8B5691547D5 for ; Sun, 5 Jan 2025 15:45:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.197 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736091904; cv=none; b=gj+mIgJbPTMjPezVri0w2alDtJvjDe4s4KA+OEz3+sTaXJhhG8+lBX1O9LAKvJnVTlJoYD+wuNKGlCVBU4IRSdmcwdtMOf3fpUp+ftmFdQgcEl1bV8FZUAo4tKpy3S216oPdgSqLS4ZF2qKopgMjIlKX8o8ceMZH+kX1sdZIX8w= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736091904; c=relaxed/simple; bh=xLQhZr0EN5jjBoypeww7FvA9A7WyNgocWYq12D0zgAM=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=AhwxvsnxBYcxu6iI5Zdcx3shJgAV+SJqt2xyvH0ebhoVVsryQIrQjdG1QSIRytQf40BSvUbmjV3kF6NJ43hBNZMf0442M7N4rFjerAOVClA79JgS6JSfH18KRqnsDMUyUYojWnGwCzcZcnU4JcfV3mU1uLOnVUPwlmUbISCZ2pQ= 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=209.85.166.197 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-il1-f197.google.com with SMTP id e9e14a558f8ab-3a9d57cff85so277146285ab.2 for ; Sun, 05 Jan 2025 07:45:02 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1736091901; x=1736696701; 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=aYO2mT0l8UdFQloxr21510y8jZ+d6H783XFANJKB5e4=; b=VANShloXhhw31lpdUI87iVSGoybwafq7iFvsZYk59suNhabjT3pwB5p16gTv5NJzJJ ES47sz7rJ6VPRMhdw0fixL1A7GUEveje0IKK3Z58hTjMX5lmi4/Ak7FKK3ta4PIJ4lVQ hWqoaFAVKWGrnaa9XBsNiZg1pcZNOi2cF9aCn83Vyku1LLCzyfgwW4rmWs3cTrN4Qb/9 XJPYjlqyej4hDGt8WTbFos7beNqyLJzJ/5AD4LusDX+LJlAuQo8wxbpPYrJIyTMZOgug 1MR4VYvLyWsCByqGkIf4kF8An/t6o9cpyDoUYobTNWByaYsUVPjJ2tDBLjAXGoq1QBz/ lM1g== X-Forwarded-Encrypted: i=1; AJvYcCXziTAGdy7S4LEH5xky9+4Jc1en10VjrTR3ZL6HnNpcsdA/NiVrlwGngxXF7LjsTNsmGIAw4ZU=@vger.kernel.org X-Gm-Message-State: AOJu0Yxz8k5tzdDYGLf7wY3qPrB190jqCmxethlroepVjr7FsXoaIikh zzV4FjXo920zf1OpYHrm7fLot8ShEbrjeosyTyt566mjXuHo/4CtF68E6P2gE3M0vHljOcT+BO6 Xpj+EFPo8mcL2DHob0qnoy2p9dQnliMQb5V2FfqCSchRKTL6oUIKyuoE= X-Google-Smtp-Source: AGHT+IFwCap45szDJbgHItMrNynRyqPDv0rMUC6X/I/GFjB+cEFn4XLaNGO4GeV3q5BlT/r5RZH/dBDV6dduH0YJsOYQBW0UD/dB Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1d94:b0:3a7:e047:733f with SMTP id e9e14a558f8ab-3c2d1e7f8f0mr533683665ab.1.1736091901794; Sun, 05 Jan 2025 07:45:01 -0800 (PST) Date: Sun, 05 Jan 2025 07:45:01 -0800 In-Reply-To: <000000000000bd671b06222de427@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <677aa8fd.050a0220.380ff0.0019.GAE@google.com> Subject: Re: [syzbot] [net] INFO: task hung in tun_chr_close (5) From: syzbot To: andrew+netdev@lunn.ch, andrew@lunn.ch, davem@davemloft.net, edumazet@google.com, jason@zx2c4.com, jasowang@redhat.com, jhs@mojatatu.com, jiri@resnulli.us, kuba@kernel.org, linux-kernel@vger.kernel.org, mail@country-targeted-traffic.com, netdev@vger.kernel.org, pabeni@redhat.com, syzkaller-bugs@googlegroups.com, vinicius.gomes@intel.com, willemdebruijn.kernel@gmail.com, wireguard@lists.zx2c4.com, xiyou.wangcong@gmail.com Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit 5a781ccbd19e4664babcbe4b4ead7aa2b9283d22 Author: Vinicius Costa Gomes Date: Sat Sep 29 00:59:43 2018 +0000 tc: Add support for configuring the taprio scheduler bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=11535418580000 start commit: 7ed2d9158877 qed: fix possible uninit pointer read in qed_.. git tree: net final oops: https://syzkaller.appspot.com/x/report.txt?x=13535418580000 console output: https://syzkaller.appspot.com/x/log.txt?x=15535418580000 kernel config: https://syzkaller.appspot.com/x/.config?x=fee25f93665c89ac dashboard link: https://syzkaller.appspot.com/bug?extid=b0ae8f1abf7d891e0426 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=112374f8580000 Reported-by: syzbot+b0ae8f1abf7d891e0426@syzkaller.appspotmail.com Fixes: 5a781ccbd19e ("tc: Add support for configuring the taprio scheduler") For information about bisection process see: https://goo.gl/tpsmEJ#bisection