From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f80.google.com (mail-io1-f80.google.com [209.85.166.80]) (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 E9AA11C84B8 for ; Tue, 5 Aug 2025 15:57:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.80 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754409454; cv=none; b=dBc43gUCn30jvVaE0n0PubVxet/AXvIFbZ/h4+8G6LBVT9iMSM43ECy/z0ODCfzBdOhNaCjNVM9BijssjVoqxTfuedr8fmcP72Y1Fy33y36s+h6ollk1hMh9vLHtVNCS1g9cVyItE4iQIBPMY0fxrhHnqO6quJIhx9K9eCuEeoo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754409454; c=relaxed/simple; bh=g0ecg3Q81U2CFlbsKTtZuExNs/RfX1k10w5EglLEdqo=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=dPFV8bqZPx9NU5/UOhGWFprOlCrZPpIz0wUIlK6rkQhx6a37qoxqY7gwSPr93zkiOoNzSD+De9TkoZPVHVcSeVA/MKjj2024uWX6xf3zrKwe6VhsqGPYj/asEkbapOu3M/rEebNkOfm5GyyyqEKEiXejGTP+m4nuKWH6PCjc/aA= 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=209.85.166.80 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-f80.google.com with SMTP id ca18e2360f4ac-87c3902f73fso1700739f.1 for ; Tue, 05 Aug 2025 08:57:32 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1754409452; x=1755014252; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=f8mlwvJNmo6qdqX17K3vXEq/b8z8wXKmt9sQYJcWZQQ=; b=scaZfGjfUChQLS+seXGr950qsMKSbcBxNXbOSFOZpRKvLlCqR/FwCfyFJTyJ5isGRR LEQUYyQYBaKVmXdLo302spmM5KnjcxWnLxOCa65f3UQw+RsiQAezK6hJBOngVs3NwAyq HnfsBs2XumHfNOg668iRmPYGymswknD9XOr8j6lmEzvI61cqEc4eElo23mJZ9uKiUEvx G3rnKENnZDjCIZW0NDWDAndTj6Njj/hFA/eJbnweLeEzDyRIyMFvHtCyZRglb/YwMY+P 7n2ZNgr2RDFo3LSUCsNYzE9sEDk+FMDMFkq28bg4IuxuhxwKyLRfbWx0HEFuONJrZSgC gjlQ== X-Forwarded-Encrypted: i=1; AJvYcCWk2dNaos1IiNKIU9K96eglQItmoZwGWso6O3TYfMC2ZiYjEUbNWBFyPde2LCT4nHzJnfx4ffO/fU8Erlo=@vger.kernel.org X-Gm-Message-State: AOJu0Yyz8jZ0YooYg4ORW9gaQIVKDnG1fXlz5MhhOBKs1di2Lz2szImn 3oHeIVFH9lZwRWageRfq6paV1D+0+3xDuQMHJvWOwDEvcnKFN8pH5lEaJPDQgNFlG4RjgkLWbqn xP41cu9fYGPfJaGxO84BPHuleiGU2bPGXahP3P0F+bT/6IQqs1aKy8ICGUZ0= X-Google-Smtp-Source: AGHT+IH7KiSosg8Up/F9+Xg6br5+pgu4hBSl8CrIFlfN5oaPEvTm+11ueLjC/XCOM5H8C/jojG9KWwPymeO0F/la2YqySOy3Ardl Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6602:3fd5:b0:881:7fe8:d4ca with SMTP id ca18e2360f4ac-88191b4d579mr723966639f.3.1754409452077; Tue, 05 Aug 2025 08:57:32 -0700 (PDT) Date: Tue, 05 Aug 2025 08:57:32 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <689229ec.050a0220.7f033.002a.GAE@google.com> Subject: [syzbot] [wireless?] WARNING in drv_unassign_vif_chanctx (3) 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: 7e161a991ea7 Merge tag 'i2c-for-6.17-rc1-part2' of git://g.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=13cc7aa2580000 kernel config: https://syzkaller.appspot.com/x/.config?x=a1bb6a60e53533c7 dashboard link: https://syzkaller.appspot.com/bug?extid=6506f7abde798179ecc4 compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/c830eae67136/disk-7e161a99.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/cbc8fc9ead36/vmlinux-7e161a99.xz kernel image: https://storage.googleapis.com/syzbot-assets/db1e8c2fe140/bzImage-7e161a99.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+6506f7abde798179ecc4@syzkaller.appspotmail.com ------------[ cut here ]------------ wlan1: Failed check-sdata-in-driver check, flags: 0x0 WARNING: CPU: 0 PID: 6119 at net/mac80211/driver-ops.c:366 drv_unassign_vif_chanctx+0x247/0x850 net/mac80211/driver-ops.c:366 Modules linked in: CPU: 0 UID: 0 PID: 6119 Comm: kworker/u8:8 Not tainted 6.16.0-syzkaller-11699-g7e161a991ea7 #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 Workqueue: netns cleanup_net RIP: 0010:drv_unassign_vif_chanctx+0x247/0x850 net/mac80211/driver-ops.c:366 Code: 74 24 10 48 81 c6 20 01 00 00 48 89 74 24 10 e8 ff fb bb f6 8b 54 24 04 48 8b 74 24 10 48 c7 c7 60 5b 08 8d e8 4a 9a 7a f6 90 <0f> 0b 90 90 e8 e0 fb bb f6 4c 89 f2 48 b8 00 00 00 00 00 fc ff df RSP: 0000:ffffc9000440f5f0 EFLAGS: 00010286 RAX: 0000000000000000 RBX: ffff8880758fcd80 RCX: ffffffff817a3308 RDX: ffff888026cb4880 RSI: ffffffff817a3315 RDI: 0000000000000001 RBP: ffff888076e70e40 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: fffffffffffec258 R12: ffff8880758fea28 R13: 0000000000000000 R14: ffff8880758fd728 R15: ffff8880758fe9d0 FS: 0000000000000000(0000) GS:ffff8881246c6000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc9ef0dafe8 CR3: 000000002b620000 CR4: 00000000003526f0 Call Trace: ieee80211_assign_link_chanctx+0x3f1/0xf00 net/mac80211/chan.c:916 __ieee80211_link_release_channel+0x273/0x4b0 net/mac80211/chan.c:1890 ieee80211_link_release_channel+0x128/0x200 net/mac80211/chan.c:2165 unregister_netdevice_many_notify+0x1419/0x24c0 net/core/dev.c:12177 unregister_netdevice_many net/core/dev.c:12219 [inline] unregister_netdevice_queue+0x305/0x3f0 net/core/dev.c:12063 unregister_netdevice include/linux/netdevice.h:3382 [inline] _cfg80211_unregister_wdev+0x64b/0x830 net/wireless/core.c:1275 ieee80211_remove_interfaces+0x34e/0x740 net/mac80211/iface.c:2391 ieee80211_unregister_hw+0x55/0x3a0 net/mac80211/main.c:1664 mac80211_hwsim_del_radio drivers/net/wireless/virtual/mac80211_hwsim.c:5674 [inline] hwsim_exit_net+0x3ac/0x7d0 drivers/net/wireless/virtual/mac80211_hwsim.c:6554 ops_exit_list net/core/net_namespace.c:198 [inline] ops_undo_list+0x2eb/0xab0 net/core/net_namespace.c:251 cleanup_net+0x408/0x890 net/core/net_namespace.c:682 process_one_work+0x9cf/0x1b70 kernel/workqueue.c:3236 process_scheduled_works kernel/workqueue.c:3319 [inline] worker_thread+0x6c8/0xf10 kernel/workqueue.c:3400 kthread+0x3c2/0x780 kernel/kthread.c:463 ret_from_fork+0x5d7/0x6f0 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