From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f197.google.com (mail-il1-f197.google.com [209.85.166.197]) (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 7A7532857E4 for ; Thu, 10 Apr 2025 13:08:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.197 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744290487; cv=none; b=HGRCSwS4sQ4GeQlASpDkx44oeghAEr8yv1V8nMgB8ORN5WpB/nPH//opgJXKHzccO/SBvml0PfIWBo93FBrt/Bsu206tmso7LN0+AcTPtPQfGIyQoHdIm0HZj6urANNCAfxEgAt3kJYrwc8B74XGMwCV3rW7swCYtTgp7g36jvA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744290487; c=relaxed/simple; bh=JdhG3tTrQJhiNkOCK4idU/+3NMmGue4emBCL5uR6tt4=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=ufh0u5Q1IPw14n3eiq3iYfDD5euoBt8zoq948VgtZ/2QfrrwIHbO/kWAHM6CmCRDT3J3hnHbOaDAPLUV/dqUUA/Bdf0e+QbTqzMpUL/1Tj0uFD9d5uBuMFFgYi1z+RwZIDJyqQgHWvQkqyOD0hfwMevpf1O1Y32HYQkInNphyUw= 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=209.85.166.197 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-f197.google.com with SMTP id e9e14a558f8ab-3d4423d0c49so7989825ab.0 for ; Thu, 10 Apr 2025 06:08:05 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1744290484; x=1744895284; 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=nAM7Rl7gk8QQiNEfx9Z0fnw4DIGYAK6MNq7KFJWljsQ=; b=fHxZbKpc4RCfy7ttWoRkmDFQ3Qi9LC6B5wOuFGrvodsz0ClBVSMcYLil5hg573HGUv 2wFMkW63gDIwNQxT7c9HlyZ+wt9B7JqhyCsxz2is/OFoiSJQh8GeSwFwKM6p0il51gAx YXd8UO0S69dzMo9ZWlThugk8pZnxjruv8lDtCxR4Y2smPPHZOwhbmHDmm1rZWSrY7liQ 6xfGkqUuR3EnLJ1/s0KAXvT42yX++Z7RzY7HaT2GRKgNkpnIKEz0wdu3JNSqOaBlhOTO KaxlOrkLK5w2JB9NepplDlB2xD5zglifeOTEOOoFcr8XbUjsaI5988FSrtIBrEpnKIWP 5GGg== X-Forwarded-Encrypted: i=1; AJvYcCWB9fH4VKZYsxGSuLBQFg9Ne6xHnh0ZRqEZFHmY7tCN3CrqF1q/ZeqzHcpK0pPDySt42ezHdg7hfmTVhuc=@vger.kernel.org X-Gm-Message-State: AOJu0YzK1LoC0AmG606BiVIQFapbKx6jIiVqN7NPrYQAPkZgTaa1kVPl Mbje7qBdtMsNs96bSf6Gu1Ks3OJC9w62okrB7TURHqj95keYTzflixp6EwjAzlanfYZQbFGlyjJ SbL8vS+/SVp5ESgiuIitb6GKYclak0eWMeEwPKwJiSfRMqIPWREPA11c= X-Google-Smtp-Source: AGHT+IEv2WwHH7NMuPuERfOghvKzL9goTCJuR5/dwuwfsvYgHOe0pNhL/2YDQF31nOzT+efUZ+iSKzdSlaMaI4aGK/0eWmTNs4O0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1909:b0:3d5:893a:93ea with SMTP id e9e14a558f8ab-3d7e5f728d9mr15715155ab.13.1744290484617; Thu, 10 Apr 2025 06:08:04 -0700 (PDT) Date: Thu, 10 Apr 2025 06:08:04 -0700 In-Reply-To: <20250410124124.1189471-1-memxor@gmail.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <67f7c2b4.050a0220.355867.0002.GAE@google.com> Subject: Re: [syzbot] [bpf?] possible deadlock in queue_stack_map_push_elem From: syzbot To: andrii@kernel.org, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, eddyz87@gmail.com, haoluo@google.com, john.fastabend@gmail.com, jolsa@kernel.org, kpsingh@kernel.org, linux-kernel@vger.kernel.org, martin.lau@linux.dev, memxor@gmail.com, netdev@vger.kernel.org, song@kernel.org, syzkaller-bugs@googlegroups.com, yonghong.song@linux.dev Content-Type: text/plain; charset="UTF-8" Hello, syzbot has tested the proposed patch but the reproducer is still triggering an issue: unregister_netdevice: waiting for DEV to become free unregister_netdevice: waiting for batadv0 to become free. Usage count = 3 Tested on: commit: e403941b bpf: Convert ringbuf.c to rqspinlock git tree: https://github.com/kkdwivedi/linux.git res-lock-next console output: https://syzkaller.appspot.com/x/log.txt?x=1511f74c580000 kernel config: https://syzkaller.appspot.com/x/.config?x=ea2b297a0891c87e dashboard link: https://syzkaller.appspot.com/bug?extid=252bc5c744d0bba917e1 compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 Note: no patches were applied.