From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f200.google.com (mail-il1-f200.google.com [209.85.166.200]) (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 3125119F49E for ; Mon, 25 Nov 2024 13:16:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.200 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732540583; cv=none; b=ohi0zmgR3F1LP3mPngsKpq/UhSyVXMQ1BDVJ0UqexYH7vBoFeJWh9fytwTmYXLKO616k2MSM7sys5ogqVsG4FjqSY+XBtn095rG+AVUmzXg9uoPB8sGGdPgWOprV9H4XyTdLTlZhEsEksFTnma/QBHhr+7HNbFgPrUyaEgbb/mM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732540583; c=relaxed/simple; bh=roIkGxppyk36vBN5Aa6eHc1RlxwoOMeS01gUbDbG0fQ=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=UXBqut0t5+PLVu9HatK3iL4fbN+WOgHS0fy95r6J3u01ZE1hMP4u9HWObBvmVeVs319dRJ8iUNL5lHpIfXrxL/+wDIliN2HoB1en5FNseNcy/6dqwyNt6wh8jsn928t8kJb2G/J/MZZnDMFrAe8KEmSPSkjZni5ldfZKo9xE6qA= 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=209.85.166.200 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-f200.google.com with SMTP id e9e14a558f8ab-3a77a2d9601so53350535ab.3 for ; Mon, 25 Nov 2024 05:16:21 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1732540581; x=1733145381; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=tUeEscvPl0THsXTCcyvV67cLrpataPHdN4bYi/SNHVE=; b=i7TEUJwN2QWh1mOsaHMjtJ5zFN8PmU6coC0YhNgXHzQMtDqhAs7OuncZwCZtiKcQzS aBmsnUIBahAJ/ktphlZWifGaq/QeH2ixw0qXGr5n9WHJNZsD7hulzAwmqWZZ7AfDWVbe 1Av+UfV7mP7pvUTr7fz4Ta6c46RSXwwFfOEsBr74C7rfMO8//Wh5rBAoZ4h15P5xNwr2 Dlu2ZBiyqmBOt73AVnUKHx0iMt52MtP2BG9wMNOr6l6v+cvj3PgBqaqlZap0TdoiUb1h PkRj07hrVq6yS0eFVDWklldKXLmQSv0l2zB7sxJicbFp3nthCE7gmh16FKziN2eRSjVt CMFQ== X-Forwarded-Encrypted: i=1; AJvYcCUqeV56kLPtMmG8bzrZzsun/yA0IpqydjJeSsKJsmNEYbd5Q10nnR+yeW1TPq2QJzCH2OIHnQ463IHFuck=@vger.kernel.org X-Gm-Message-State: AOJu0YzCYeUDHCGXOk/MekviSktTWQnP30PGbVu133fArO59kSO6G6W0 qqkezN3uGdEuX6iUdeiBNesZb+m4+KEb6imZaNmaBCIw7RiVqEhIwq1a+gWp2r+kU+eUaiR+p4R nBJfSyxCSjILIbdtXPVf2gpegj3oS2wb1iX0RSCr73I91ZXdS5f94uRk= X-Google-Smtp-Source: AGHT+IFZP3MFmJFXYawZzjM1WHJDr4FPegED77nU69hwDq7WZ9qe3AIs018Ze5kDsiDe4gsMBEXzftjOoB3DZW6FcP1ToXBaj05U Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1547:b0:3a7:629a:8be8 with SMTP id e9e14a558f8ab-3a79acfca70mr162786835ab.3.1732540581438; Mon, 25 Nov 2024 05:16:21 -0800 (PST) Date: Mon, 25 Nov 2024 05:16:21 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <674478a5.050a0220.1cc393.0081.GAE@google.com> Subject: [syzbot] [net?] WARNING in call_netdevice_notifiers_info (2) From: syzbot To: davem@davemloft.net, edumazet@google.com, horms@kernel.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pabeni@redhat.com, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: fcc79e1714e8 Merge tag 'net-next-6.13' of git://git.kernel.. git tree: net console output: https://syzkaller.appspot.com/x/log.txt?x=14ffd75f980000 kernel config: https://syzkaller.appspot.com/x/.config?x=275de99a754927af dashboard link: https://syzkaller.appspot.com/bug?extid=9b66539a997baee14f5d compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/1539da626e54/disk-fcc79e17.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/d44dbcc68df2/vmlinux-fcc79e17.xz kernel image: https://storage.googleapis.com/syzbot-assets/76fdad1309ae/bzImage-fcc79e17.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+9b66539a997baee14f5d@syzkaller.appspotmail.com RTNL: assertion failed at net/core/dev.c (1987) WARNING: CPU: 0 PID: 12 at net/core/dev.c:1987 call_netdevice_notifiers_info+0x106/0x110 net/core/dev.c:1987 Modules linked in: CPU: 0 UID: 0 PID: 12 Comm: kworker/u8:1 Not tainted 6.12.0-syzkaller-05480-gfcc79e1714e8 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Workqueue: bond0 bond_mii_monitor RIP: 0010:call_netdevice_notifiers_info+0x106/0x110 net/core/dev.c:1987 Code: cc cc cc cc e8 2b 74 fd f7 c6 05 ec 80 70 06 01 90 48 c7 c7 20 5e 0e 8d 48 c7 c6 00 5e 0e 8d ba c3 07 00 00 e8 db 6c be f7 90 <0f> 0b 90 90 e9 73 ff ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc900001176d8 EFLAGS: 00010246 RAX: a4b68b757b823100 RBX: ffff88805a365ac0 RCX: ffff88801befda00 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff8155fe42 R09: 1ffffffff203c906 R10: dffffc0000000000 R11: fffffbfff203c907 R12: dffffc0000000000 R13: 1ffff92000022ee0 R14: 0000000000000004 R15: ffffc90000117720 FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffeb14c9ff8 CR3: 000000000e738000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: netdev_state_change+0x11f/0x1a0 net/core/dev.c:1378 linkwatch_do_dev+0x112/0x170 net/core/link_watch.c:177 ethtool_op_get_link+0x15/0x60 net/ethtool/ioctl.c:62 bond_check_dev_link+0x1f1/0x3f0 drivers/net/bonding/bond_main.c:873 bond_miimon_inspect drivers/net/bonding/bond_main.c:2740 [inline] bond_mii_monitor+0x49a/0x3170 drivers/net/bonding/bond_main.c:2962 process_one_work kernel/workqueue.c:3229 [inline] process_scheduled_works+0xa63/0x1850 kernel/workqueue.c:3310 worker_thread+0x870/0xd30 kernel/workqueue.c:3391 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 --- 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