From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oi1-f207.google.com (mail-oi1-f207.google.com [209.85.167.207]) (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 623D1341650 for ; Sat, 29 Aug 2026 09:52:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.167.207 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787997160; cv=none; b=g87vaJuZZYY5blwdvpvqIzTN58a+0k6garJhIcdAzuX12qsoxlT6OFyOy0KTyyC4uv25SLpKjkppJjwMqZicbkgVnanIYq6P2boNzDCIrYXAWeAQzlzsx9pVqKh8ejtD6sZO2phXda+mRic9a3ZkWRryWsz38LpvZ/EvC8JIvKc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787997160; c=relaxed/simple; bh=7HxJqW8kl3mBedfSIns23SYH4R4rI2R+AxosxsRb3wE=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=grSi8wflHYEwDTh1UR6SabJ8CLRKVIsPmYG1uiCuuB9Bvqt1FjvQCQq+aGqLGKR+i2akLpsgdqEaaNIFU5VPD73XNQu5Hg7AW9ZDhf9xXHsAppwKLlYKvtWwXicX4/7aDneTbqlJVmZ0jIZ+cgh2K0poE2jVq/VoIdZclgWjdJw= 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=209.85.167.207 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-oi1-f207.google.com with SMTP id 5614622812f47-4b28d7ffab1so3486676b6e.1 for ; Sat, 29 Aug 2026 02:52:39 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1787997158; x=1788601958; h=content-type:to:from:subject:message-id:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to :content-type; bh=qTjemiDelYT+ynRY5VdADp5FsRmha0NnpPL2XV2o8vk=; b=MZ/GQL9iS8O2qe5jtvyY2uaXht/N+niJzb87zbQYbjpI2+elZjO6tsXxmWH7VlfAls XtbzHBrMOKMYXmUsOecxtAjGQN9p5WthgY/0HxytjndmbzuUB05fXGv4MYBDFViXhI8w SFamu9fKLbJ7eaOp4sR0XFgWpZx0vZyY6Hrx8bSs+H3WynZpMR6Ymk4nsz1vf8Jt2EZR QlFoiGrH7AUyj9StJa2nbku3HUgkk++gRNIC5U7AqvRq/0QKG/XYn26vo1QmVTjhZ3Lm 1UL/a9uDkyUkvBV100ir1ri5fBKkS15ccDpCb9vHRVYowZCgcRtKc0SxKZkMBPxpGeK+ MuhQ== X-Gm-Message-State: AFuF++lyJ+Ejlddkqy6U3YhgoDHFaBVyC40gNlixttYnpEc83PHf3dyk XvBehykaeq3PQj1ze7AQaKWFMCFWbTZV4oW3q+1JpYMqudXF8cTaUcNEr+OsypSwopltL5KwWYr Uc7Hgtp5qqz8/0pDVPy3MuBtmhhCHOGAgmQ26/PYFe4a+VqxUL6LD+zQG8w2lOg== Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6808:1509:b0:4b2:6691:b019 with SMTP id 5614622812f47-4b37c6e64f3mr14624297b6e.3.1787997158255; Sat, 29 Aug 2026 02:52:38 -0700 (PDT) Date: Sat, 29 Aug 2026 02:52:38 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6a92abe6.1d9ded08.62e62.0107.GAE@google.com> Subject: [syzbot] BUG: Address NUM::NUM on device lo is missing its host route. 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: f1b8fa82cab7 Merge branch 'for-next/core' into for-kernelci git tree: git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci console output: https://syzkaller.appspot.com/x/log.txt?x=151d3d79580000 kernel config: https://syzkaller.appspot.com/x/.config?x=d1128bc53f2ef7f3 dashboard link: https://syzkaller.appspot.com/bug?extid=2aeee973408e81988d90 compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 userspace arch: arm64 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/932d85a2bda2/disk-f1b8fa82.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/5b6b8fb76e8d/vmlinux-f1b8fa82.xz kernel image: https://storage.googleapis.com/syzbot-assets/c246b61ee396/Image-f1b8fa82.gz.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+2aeee973408e81988d90@syzkaller.appspotmail.com IPv6: BUG: Address 2001::1 on device lo is missing its host route. netdevsim netdevsim6 eth10: set [0, 0] type 1 family 0 port 8472 - 0 --- 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