From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f79.google.com (mail-io1-f79.google.com [209.85.166.79]) (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 AAF8B28152D for ; Mon, 21 Jul 2025 07:55:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.79 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753084534; cv=none; b=RfZnIAU6AQBDSXQznYeoaCMm3fZKAIY3uzonD36+cjNyT2KvJ2TFvRnui0cu+buS3wccLwrUaXPS5vq86XDObi+FXdVCv/ZxRVb48pYvAxP41Cvy/uZFw5xA4hrt541sIhiQQtx9wMzDI3Tn03Es6g9FIM9BdDSZFx/xNNLHabg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753084534; c=relaxed/simple; bh=0lse8KOroGbQPPspT2o3Gt8TESQEfPdvvUFUEyZmqtI=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=XBIXO6Z8hJT6HrZd18379q5cLoR3oANFutxfS3bqmAFx6y7nCZMvyZcXmatbfMXnfuXMJqZgtt/GW/xSC+ltgvJbYFEo4IDPvx+wUefTTVVTdvHOWckc2kdKlZi1e5kSQOqPxkOyZJeFx2q1PVr6owvpdMcV9Jf+52mQWYE0h4c= 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=209.85.166.79 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-io1-f79.google.com with SMTP id ca18e2360f4ac-86cc7cdb86fso366483539f.1 for ; Mon, 21 Jul 2025 00:55:32 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1753084531; x=1753689331; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=mpGtJjSTE4Hb4CxYNFdEl6s+ZrPvAdZM8nTLITHu/AU=; b=TzhgxvpRc4Obvmcd6dhtH15kxmK8KFnhmHut3HyMB9aquEhMQbPuWs8sAXm7lsLOxz U/300TsoT2WxTTLeoP4Q2NH2i6U57wug7jI5Oci3i1nvuyFNsn9BiKfjZJtQrZxCm6jI QHGYWiCjVRSSw7YxRXF1h54G6wD+wnFZ55nRykQxBk5NUC/8LYUQALBAbrsHtPf4xjiN /EBtE78EiU2H0wjVPdtVyBC8A+qmb47HUbNA46uPapJ7VbXC/c0QwIGAZ1j3q6A5qQno OVf547rmfCjgVhGwu29OMR6EPdCvS+bD1PPYwZaGccancRJiSlCHr2dOZIzHvRnUVnLi Kzbg== X-Forwarded-Encrypted: i=1; AJvYcCXWD+b7Ejk3d93ZS67dW3gT9I4iLZKlBF+sYi1M+xUZzZh+KEneZRFr0O5xcfq5a5ZCiYELN3s=@vger.kernel.org X-Gm-Message-State: AOJu0YxNkUNayV0ItGjofkpFFHE6OG/BsukB4sFmTzFpK5hEk5OLjS83 yiHtw1tDJSNNdvjFlQ3q5mmZeF5eQpdGWCIB/LfMSbCSSatxG+Zb35S0sV8ulUs4nfTSOlCUhnc G7iAN7nqNRID9PtFWCypb2iu2zwJ6DzIjmpIauYngKkzQ/PMXc+LsitoJOwE= X-Google-Smtp-Source: AGHT+IFIii7JfNpq4baM+HOiCqn2j+ywL/ztT7mpBre9UykTQTr4wVD4CtdvbbnhWSyoT5DxFd/EvfOjyL0s3IfX+e1ASXPbA95t Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6602:3d1:b0:875:d675:55f2 with SMTP id ca18e2360f4ac-879c28caec0mr2189233839f.7.1753084531607; Mon, 21 Jul 2025 00:55:31 -0700 (PDT) Date: Mon, 21 Jul 2025 00:55:31 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <687df273.a70a0220.693ce.00e5.GAE@google.com> Subject: [syzbot] [wireless?] WARNING in cfg80211_switch_netns From: syzbot To: johannes@sipsolutions.net, linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 4701ee5044fb be2net: Use correct byte order and format str.. git tree: net-next console output: https://syzkaller.appspot.com/x/log.txt?x=142f77d4580000 kernel config: https://syzkaller.appspot.com/x/.config?x=1a940d1173246e73 dashboard link: https://syzkaller.appspot.com/bug?extid=3515319a302224e081b4 compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/5771927b98f6/disk-4701ee50.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/e9e498c37560/vmlinux-4701ee50.xz kernel image: https://storage.googleapis.com/syzbot-assets/377ae84313ff/bzImage-4701ee50.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+3515319a302224e081b4@syzkaller.appspotmail.com ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6759 at net/wireless/core.c:204 cfg80211_switch_netns+0x560/0x590 net/wireless/core.c:204 Modules linked in: CPU: 1 UID: 0 PID: 6759 Comm: kworker/u8:18 Not tainted 6.16.0-rc6-syzkaller-01576-g4701ee5044fb #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Workqueue: netns cleanup_net RIP: 0010:cfg80211_switch_netns+0x560/0x590 net/wireless/core.c:204 Code: e1 07 38 c1 7c 8c 4c 89 e7 e8 dc be 63 f7 eb 82 e8 45 b0 01 f7 e9 63 fe ff ff e8 3b b0 01 f7 e9 59 fe ff ff e8 31 b0 01 f7 90 <0f> 0b 90 e9 a9 fd ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c cb fa RSP: 0018:ffffc9001ba67860 EFLAGS: 00010293 RAX: ffffffff8abe7a1f RBX: ffff888031530d78 RCX: ffff88802a70da00 RDX: 0000000000000000 RSI: 00000000ffffffef RDI: 0000000000000000 RBP: 00000000ffffffef R08: ffffffff8fa22af7 R09: 1ffffffff1f4455e R10: dffffc0000000000 R11: fffffbfff1f4455f R12: ffff888031530700 R13: ffff888027fc9580 R14: dffffc0000000000 R15: ffff8880315308f0 FS: 0000000000000000(0000) GS:ffff888125d16000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007faceb4e56c0 CR3: 0000000080016000 CR4: 00000000003526f0 Call Trace: cfg80211_pernet_exit+0xa2/0x140 net/wireless/core.c:1671 ops_exit_list net/core/net_namespace.c:198 [inline] ops_undo_list+0x497/0x990 net/core/net_namespace.c:251 cleanup_net+0x4c5/0x800 net/core/net_namespace.c:682 process_one_work kernel/workqueue.c:3238 [inline] process_scheduled_works+0xae1/0x17b0 kernel/workqueue.c:3321 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3402 kthread+0x70e/0x8a0 kernel/kthread.c:464 ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 --- 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