From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ot1-f80.google.com (mail-ot1-f80.google.com [209.85.210.80]) (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 D95CF3DB62F for ; Mon, 30 Mar 2026 17:02:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.80 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774890148; cv=none; b=T2ff4OfGl37vHhJ4s2YGrnTMjmqr72JltxCsb2My9/ASFh2m7aWQTbkseBcxZIR6FTjAHvNdwn46EQh8ybtHIUVHw1phTanosbNx9MfJCZUoy2LCfUV9VKZCS3AVNSYHF42e0Fuy4tFhyJKk507N5tpbl4E52XAZceEd3+p7ej4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774890148; c=relaxed/simple; bh=PscUMBJeALgXkrzEr55iAdTiOndq/btG5UzVzX4XpFE=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=FegdGmvr7UYKqk3JmvDKL/ccavCOzGV6qPNb7fDgJvQE6WtOljsHMou9z1jXTkXSLUwRGcw27QJQg0EvxBGjVVzxDyaP5rZhm2T3TDQcfN1hLBManQj3a2w/C0oUDwG0piux7WPrsYkWKo34jLaCO11SZ1620f9IDSp8xukDxJ0= 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=209.85.210.80 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-ot1-f80.google.com with SMTP id 46e09a7af769-7d9e1498d4dso17195077a34.0 for ; Mon, 30 Mar 2026 10:02:26 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1774890146; x=1775494946; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=eLa9SEMx7Rn347oDNh0dvEjMbfgmYnhOztAK4NScfao=; b=jsPCe8MOzIfCi7T+0x/7gB+e+4CdCivT2BQ/EGELDEuSannZWXZCpZoCk22iDzOb1t FlRzVlHbndm2xmxQxAyON9gtzlSmvAQCGSZvwb4c5boFljWZgTyKAqAwrgAI0FLVAPuV OMCYBBxwS1lCvE6q7x/wbbB5rxNXyWiUXjYzNKJZOyp6wxlNUYpBTkJLabeD7shYJ9Ne FNeiRIoId0fTqAJCXYUTOIqp09iefOaXT+TJVCH9T/RWVzzzxzVN9RuNVcTX+0QpBViz J03HzaS78LP8UF25ohV8JnDZzslaV9SHB+1eElq7J4/4YZJytoJD34vW6ChnM949Fv6V pVnA== X-Gm-Message-State: AOJu0YyXkaTfM8n0te12mF4aIL+ryQJ3ku6Xi+GTEMb05NF1yJkOsCrG Y5d/j4O5X1ZMJS9BFroLccDECrLVRu0DILfzh9IhUeBLV0N3iSgddMB644WWV3tZ3fGWQ3mx6nB swRuvtncVuPgaCHyTZvU/wHZGVF10KGZw/Dzgnp/enXtDEy/f0E+eITxVe8HcYA== Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6808:5087:b0:46a:8dd5:3a3a with SMTP id 5614622812f47-46a8dd5a8ffmr6160056b6e.16.1774890145679; Mon, 30 Mar 2026 10:02:25 -0700 (PDT) Date: Mon, 30 Mar 2026 10:02:25 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <69caaca1.a70a0220.97f31.01de.GAE@google.com> Subject: [syzbot] INFO: The task syz-executor:NUM has been waiting for writeback completion for more than NUM seconds. From: syzbot To: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 7aaa8047eafd Linux 7.0-rc6 git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=16271a48580000 kernel config: https://syzkaller.appspot.com/x/.config?x=6754c86e8d9e4c91 dashboard link: https://syzkaller.appspot.com/bug?extid=52fb13daf83df5a1b81a compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/ba4c84dc7f81/disk-7aaa8047.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/24a0b91bd406/vmlinux-7aaa8047.xz kernel image: https://storage.googleapis.com/syzbot-assets/71276b7ae1be/bzImage-7aaa8047.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+52fb13daf83df5a1b81a@syzkaller.appspotmail.com INFO: The task syz-executor:19624 has been waiting for writeback completion for more than 142 seconds. INFO: The task syz-executor:19624 has been waiting for writeback completion for more than 142 seconds. --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup