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 510011C8FC8 for ; Sun, 17 Nov 2024 14:03:04 +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=1731852185; cv=none; b=eqog9EQ5nX4ihZ5ulvNe5Mi7XFWG5+D1kNEk1/SQ5TU3TDAgbowe1WyqM3qMQt9FKIYCTQ2WaSXknSxw1jzTaH++QnlwBaG/lMiqeeEsrj7B0N4ED/PCMaG8gvvyuYEJ4nCoJvGb5NLI0/WOe24avaIUY4lgUi7ivw1Dk5vBFBc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731852185; c=relaxed/simple; bh=t2uHVMYp7iXp+o0/F+cYkAZoh2d2psBzk/GeopJjg0M=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=XYZGxEPA4OJMOm++YSv8xPYHn/xwkGSWzawDT+rldPmoIiS2b1P9PC/aC3MMRJ0C0R61QWq8vVx74eci3cusVqOlNkAyb9UUG1h+5dGoMQ8s3ICZGIjkK28VJN4aQ2f/G4fBb6qkbgZALuHd7uGqfnH5CBdGxScHQeMtV1N2upc= 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-3a762c65543so4203265ab.3 for ; Sun, 17 Nov 2024 06:03:04 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1731852183; x=1732456983; 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=NUssD4OF1/0W4ulVXXYWglqzpn1NTprdCx53eur2zFw=; b=ttyHKPHZQNl9jnIcBfkQsBfjFi8vGzDhf+W8jL/sOn51M1R4vcAVR64w74nHUvrTxF LxKy0KgYmECKfJ2ikrP3k3hu1TG3jTi8b3iyxyftLaLXHTYL3Zhps2k4/X823LRpfiXb /3y8ZtXjLOuCuLofd1vbAWVEQF7tRw6gWPiHp7vjWu6rrqBAf0A9yNeFCXX06cdEmOCG JXef83GMUlzf5mC8balT43nwNFs0Co2dOfmFM66G85MnuPnIYcYc4jPjbZK+5GBy0wih x+7z7memzGoQM6wwnCqbSpvpw1stP0VvjUf8dnU0yMenGYyLXdQWe95Rg7LgUIB83iug xx4g== X-Forwarded-Encrypted: i=1; AJvYcCUg2ETOy3PAq/kUd2WKOmit1QfC+sBHgxDXxN0/XDy/6XI6obp9GDvXiArIOWxqvf3elraVB/7SVVyIHAM=@vger.kernel.org X-Gm-Message-State: AOJu0YzOKTHG1GDox42uKDvcZ75NFBNfshofoEXxKErnjJoida4kKjoa OR4/vcTcoNRWbT5uBJfWPRqjaz/+/ysF+v2tAnVBuRfmTovh6j8FJDbU5Q+goCmBucBBtQeyKg8 ZLxJ/MMMX0MS8uSymdvHE2wYiXO7+9sdChmgxycZyVQJTyXeTK5sf8OY= X-Google-Smtp-Source: AGHT+IGpPscsTKcEqBtvy667IuN2y2ojokY1wvLLrtmso7y8ucb+MsA5Aa7h+kCOP7Ws8bgrOxutXJzm1W2hGXSN+35UuaRYEzFV Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1aaf:b0:3a6:aa64:dc9 with SMTP id e9e14a558f8ab-3a74802f569mr80874525ab.13.1731852183560; Sun, 17 Nov 2024 06:03:03 -0800 (PST) Date: Sun, 17 Nov 2024 06:03:03 -0800 In-Reply-To: <0000000000006477b305f2b48b58@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6739f797.050a0220.87769.000f.GAE@google.com> Subject: Re: [syzbot] [bluetooth?] possible deadlock in rfcomm_dlc_exists From: syzbot To: axboe@kernel.dk, davem@davemloft.net, edumazet@google.com, hdanton@sina.com, johan.hedberg@gmail.com, kuba@kernel.org, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, luiz.dentz@gmail.com, luiz.von.dentz@intel.com, marcel@holtmann.org, netdev@vger.kernel.org, pabeni@redhat.com, syzkaller-bugs@googlegroups.com, yangyingliang@huawei.com Content-Type: text/plain; charset="UTF-8" syzbot suspects this issue was fixed by commit: commit 08d1914293dae38350b8088980e59fbc699a72fe Author: Luiz Augusto von Dentz Date: Mon Sep 30 17:26:21 2024 +0000 Bluetooth: RFCOMM: FIX possible deadlock in rfcomm_sk_state_change bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=11bcdb5f980000 start commit: 5847c9777c30 Merge tag 'cgroup-for-6.8-rc7-fixes' of git:/.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=70429b75d4a1a401 dashboard link: https://syzkaller.appspot.com/bug?extid=b69a625d06e8ece26415 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1097b049180000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=168a5bde180000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: Bluetooth: RFCOMM: FIX possible deadlock in rfcomm_sk_state_change For information about bisection process see: https://goo.gl/tpsmEJ#bisection