From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f198.google.com (mail-il1-f198.google.com [209.85.166.198]) (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 64ACF14BF89 for ; Wed, 9 Apr 2025 03:59:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.198 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744171148; cv=none; b=UY/fWTZD22lF0tZIFNEtj9X2Xg4QPAiTnV57Xjn0tslCDpistlVRA1Q015eoq2Odo8anMtPaXONaiFg4fhtJM17peGWRhC5FeO29FypeyK3ustdX58M1WqTLp8r4GNkfFnzBxW4kO501VOJJAPcdp23YYIxEWKqAZCi+khqDP54= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744171148; c=relaxed/simple; bh=/hs4mz57QkzD+POEBZdYWPhm87ASHpd3wXi171AOTVE=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=Dp/oZ3EOM2Wuo8b9azDolkk8EEfbNjkHiMlC2KpCca7cZmve2hbuJFvNYMopjDIhxVJbW9mz2foqEsfQSKi4oqWR4OuE/2pc9L16L9AQci/Nb+6fy7lB9lLRrExH6LTXKiX4xcwzsZkEEGRy6sr0RYNJATODaQX4sjlJnDq3ZyU= 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=209.85.166.198 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-f198.google.com with SMTP id e9e14a558f8ab-3d44dc8a9b4so69448785ab.3 for ; Tue, 08 Apr 2025 20:59:06 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1744171145; x=1744775945; 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=3Xmbh9ETjMYYnIqDT5ZMvjmgmJyKPg1AP50uzLWCg0M=; b=arwyw1Sdwtu64hejry1edUHCbSHaczsmyg5Urea4RDsl0DV2A0aHFnmnu3jTUYMKbt LsETMNcb7okGbZ+o9G5O8UbGhR6Jzzgjr5Xq6JML16fSo2t6LK7G3HRMU9htSwBt/ATB BFsEbY0etaRjPRz3B8YcxKjoOugm5RkUn7AKrV+9r6xM7z7uq1lUtCFcmNALiDkj70n+ 3jLrMnMkRvvsBvT5LKgCjByLHoLSXH1fkbpkPkO9BtCScZDHkFjzHpUeop2YzeYfcZaK GGgHFOOLhYUS+geVoR0ylftr4Adj3bUef3NUzGM73/IikSW0in+23UjhSk412CdfoWu6 X8zA== X-Forwarded-Encrypted: i=1; AJvYcCXlzBvlc4DgPVwTRya+oZQvzbPbCqe9ufL5A/QWPLNjJADbc1RSMIfgM1FxJg0CtOIubu9wE3M=@vger.kernel.org X-Gm-Message-State: AOJu0Yy7dQeziENqCnsJKGedF0bI9bQveeAJh3lMIfd62By9+jLTlJ1D 9t4UJPjy5YFBh/DMbCAIVL5vpap7a2rGuUhN1A7jvf2KF6jgAL9YnRb0KgVXNKHaM025xB7bQMz NuCzuRlXyNVv0izu0s+wETqh7lgjt5Xej0kKbU2+Z3xJ5R6QmRVYfO6I= X-Google-Smtp-Source: AGHT+IFjLjZ26x0YTu6iNlhJUnYo5KtlBBw/Aia86NjqsznbuOsPBWlCVziPfDJ8T26S/BmRFOyIO3aIpkN0zXTLzeAKegTiXgZq Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1582:b0:3d4:4134:5213 with SMTP id e9e14a558f8ab-3d7b462136cmr8112525ab.11.1744171145539; Tue, 08 Apr 2025 20:59:05 -0700 (PDT) Date: Tue, 08 Apr 2025 20:59:05 -0700 In-Reply-To: <67f4d325.050a0220.396535.0558.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <67f5f089.050a0220.258fea.0009.GAE@google.com> Subject: Re: [syzbot] [net?] WARNING in __linkwatch_sync_dev From: syzbot To: andrew@lunn.ch, davem@davemloft.net, edumazet@google.com, horms@kernel.org, jv@jvosburgh.net, kuba@kernel.org, linux-kernel@vger.kernel.org, liuhangbin@gmail.com, netdev@vger.kernel.org, pabeni@redhat.com, sdf@fomichev.me, stfomichev@gmail.com, sven@narfation.org, sw@simonwunderlich.de, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit 00b35530811f2aa3d7ceec2dbada80861c7632a8 Author: Eric Dumazet Date: Thu Feb 6 14:04:22 2025 +0000 batman-adv: adopt netdev_hold() / netdev_put() bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=175db74c580000 start commit: 7702d0130dc0 Add linux-next specific files for 20250408 git tree: linux-next final oops: https://syzkaller.appspot.com/x/report.txt?x=14ddb74c580000 console output: https://syzkaller.appspot.com/x/log.txt?x=10ddb74c580000 kernel config: https://syzkaller.appspot.com/x/.config?x=91edf513888f57d7 dashboard link: https://syzkaller.appspot.com/bug?extid=48c14f61594bdfadb086 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11520398580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16b1323f980000 Reported-by: syzbot+48c14f61594bdfadb086@syzkaller.appspotmail.com Fixes: 00b35530811f ("batman-adv: adopt netdev_hold() / netdev_put()") For information about bisection process see: https://goo.gl/tpsmEJ#bisection