From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f78.google.com (mail-io1-f78.google.com [209.85.166.78]) (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 4B1ED86359 for ; Tue, 5 Aug 2025 19:48:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.78 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754423312; cv=none; b=AQ3Fc95dNMaAGTAN7C6fRCyglTsVkozcpNUhqvM4DLPgwgF0HCyd+49J2NfMVTO8QGtQ9XErxTzN0xfI3Okj/k3FfPGpJg/2bNydythANRui3bFHBHUAGY6xQh/sgrLG+UA5HVPY6kgO9HOMJ4r+4uShq8uH27U0RauQCB2GvPo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754423312; c=relaxed/simple; bh=KdApcye60KBOAgseekhcTCUxR2HPCy7XhIzXNeeDtAQ=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=NcN3eNKrT+AhNOmet8f3lmEx/pE+XVxdrxcldMqr5x4JUwWmBiI0aFaGXr8QLUUr+aGz+0anGyX5PudsTUNVf+4/dI7PeS1S5oUoYEDgMZGXNwsYsva/ePxXTgk0HvDxV57GclFVMYSIVuZLd4sJFCesM7LdCNrl748rcpSLqR8= 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=209.85.166.78 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-f78.google.com with SMTP id ca18e2360f4ac-88170a3df7aso321666139f.0 for ; Tue, 05 Aug 2025 12:48:31 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1754423310; x=1755028110; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=Zs2euGn0ah7qTMO3mciJ66QIxphpePyNs7NtHKNe+ZQ=; b=t0z8BVK6LUc+Z3CpbB0xKQrOMLi6Z2srOvH5uc4luIo/vaMJX4mhzLta/Q5D2vRsRQ 7oduNjj+eLdT0rDCwTIZH8FIML8VCE4chOW9nZTTL1df1QpLX6uCNBs4u7um0IAd8rnA Sg04iRoaQZjHmrGrDMz4QpEWXh5qelNFu9mWaq4TC+dQ5eLc/fjzW0BGaWPlUXog9Jnr TnWCAmydRZQ4awGDoVwde2Od3o5SoZ8tZOk7TCXZrXBqaRr72YYkt+BrMmoyc38Q7a3E sqXECQ7urKpKU3oZoOjOf0SLl8p6lI2+Tu5DbZSS2sXx5kasAfvtuKrxdAMg+ntQ6C/m EJDg== X-Forwarded-Encrypted: i=1; AJvYcCW07XpfGjrtmv8DtATEyb4IlSDZvuFMTfd50GZycBkkQmFXXNxb9I3kBf11yJCfEvMrxutSCL0=@vger.kernel.org X-Gm-Message-State: AOJu0Ywg1WketP4baUkESi7pdoGemBaNMK6g4/4tRZlcl4OMhG975ahX WAcJ9u6BhYYweYLPnz6/pFUfxxHoPEgNnxKf/ncD7iD28A9M5H4T5AtlRUHgbIHnYpcysF1nPwZ Hwcnxco7DkKoATRKE5SSlNE2uH7K6BZh3rvwe+oQvOrkpZQ7o8+jAYgoYLL4= X-Google-Smtp-Source: AGHT+IEt+3Zjc5m/kisTeqXdfnZbP+4jV0np5AlLVJcR1JfEU9710iMC3OWxirj4xpUgpsROUFzfBr7fkTS4vkiONOUTsFUCib/v Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6602:6088:b0:881:8186:60a1 with SMTP id ca18e2360f4ac-8819f14b253mr13869739f.11.1754423310426; Tue, 05 Aug 2025 12:48:30 -0700 (PDT) Date: Tue, 05 Aug 2025 12:48:30 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6892600e.050a0220.7f033.002f.GAE@google.com> Subject: [syzbot] [wireless?] WARNING in ieee80211_teardown_sdata 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: 89748acdf226 Merge tag 'drm-next-2025-08-01' of https://gi.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=1603e2a2580000 kernel config: https://syzkaller.appspot.com/x/.config?x=8b51b56c81c0761d dashboard link: https://syzkaller.appspot.com/bug?extid=04851834dc894437cf21 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/095171b2ab97/disk-89748acd.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/48866e36b5ed/vmlinux-89748acd.xz kernel image: https://storage.googleapis.com/syzbot-assets/be4634873fa0/bzImage-89748acd.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+04851834dc894437cf21@syzkaller.appspotmail.com ------------[ cut here ]------------ WARNING: CPU: 0 PID: 1161 at net/mac80211/iface.c:848 ieee80211_teardown_sdata+0xd2/0x140 net/mac80211/iface.c:848 Modules linked in: CPU: 0 UID: 0 PID: 1161 Comm: kworker/u8:8 Not tainted 6.16.0-syzkaller-10499-g89748acdf226 #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 Workqueue: netns cleanup_net RIP: 0010:ieee80211_teardown_sdata+0xd2/0x140 net/mac80211/iface.c:848 Code: f6 48 89 df 31 f6 31 d2 e8 db 99 00 00 48 81 c3 80 17 00 00 48 89 df 5b 41 5c 41 5e 41 5f 5d e9 54 ba 00 00 e8 bf b6 d6 f6 90 <0f> 0b 90 4c 8d bb a0 09 00 00 4c 89 f8 48 c1 e8 03 42 80 3c 20 00 RSP: 0018:ffffc900040df390 EFLAGS: 00010293 RAX: ffffffff8ae8cce1 RBX: ffff888038ab8d80 RCX: ffff888027048000 RDX: 0000000000000000 RSI: 00000000ffffff9f RDI: ffff888038ab8d80 RBP: ffffc900040df530 R08: ffffffff8fa1ba37 R09: 1ffffffff1f43746 R10: dffffc0000000000 R11: ffffffff8ae92c70 R12: dffffc0000000000 R13: ffff888038ab8c10 R14: ffff888038ab9978 R15: ffff888038ab8000 FS: 0000000000000000(0000) GS:ffff888125c5b000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa038adcf98 CR3: 000000003edb8000 CR4: 0000000000350ef0 Call Trace: unregister_netdevice_many_notify+0x1953/0x1ff0 net/core/dev.c:12177 unregister_netdevice_many net/core/dev.c:12219 [inline] unregister_netdevice_queue+0x33c/0x380 net/core/dev.c:12063 unregister_netdevice include/linux/netdevice.h:3382 [inline] _cfg80211_unregister_wdev+0x165/0x590 net/wireless/core.c:1275 ieee80211_remove_interfaces+0x49a/0x6d0 net/mac80211/iface.c:2391 ieee80211_unregister_hw+0x5d/0x2c0 net/mac80211/main.c:1664 mac80211_hwsim_del_radio+0x275/0x460 drivers/net/wireless/virtual/mac80211_hwsim.c:5674 hwsim_exit_net+0x584/0x640 drivers/net/wireless/virtual/mac80211_hwsim.c:6554 ops_exit_list net/core/net_namespace.c:198 [inline] ops_undo_list+0x49a/0x990 net/core/net_namespace.c:251 cleanup_net+0x4c5/0x800 net/core/net_namespace.c:682 process_one_work kernel/workqueue.c:3236 [inline] process_scheduled_works+0xae1/0x17b0 kernel/workqueue.c:3319 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3400 kthread+0x711/0x8a0 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