From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f77.google.com (mail-io1-f77.google.com [209.85.166.77]) (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 0BBC922B584 for ; Thu, 7 Aug 2025 09:34:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.77 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754559274; cv=none; b=qwu6E9RdAH6ASPbl2ZfxtVAYX43zA/BtsZ4YtLCFa+4JqZgZmcbwZ+EKiRrxNrO0YG0E/AqFFnbKA87X8P6bmbQEJ4XrMfNu7erkULkOBAmV8op1u7Cy49d0nKhCWtLa9w5DYyr5mAnkwT4RVUtzEmYrIrQ+mgTD/4DEFRUt0uA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754559274; c=relaxed/simple; bh=gELV5DYZDqSPBZtY1LBmOo1nEqecEpnLJxkPRWpmJ38=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=SIhxtGvPpsNiH9dwVYBAoZ0ASdGjGi2nWODwkblBY5m1mRJDaHgJ1t+MqQ2vCW2fszgY/IRZkbihrlgdGUpQEsdFe2BmC0z3hjvEY9ST2BzrjfyokEZQYQs81kJHUQWMrp00pXWgXe3rnD8J/lNlvnD+6FuoywiGA4BvpuMw+KQ= 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=209.85.166.77 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-f77.google.com with SMTP id ca18e2360f4ac-88177c70d63so82552639f.1 for ; Thu, 07 Aug 2025 02:34:31 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1754559271; x=1755164071; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=Fjyqg8duMD58S8gtCQt8SefX/SjwKnwP2yTVcNnSrno=; b=T8hhdcblUMFW1dVsUwLC1VK0TtkS1IYwsIokuYbgCURn3aTqIa9Hd8gLmKniQWBxL6 Z58mH9/reHeG+zgN9Qy0X0ttQohyD+aQWLjpTJlhjzXwlz8wW93Qw+VPytTF17EOKwLW lho5Ei9rpNlCGo/4HnQwsK5T6OYANiHYKdw2P5wlZTmAy+DMmY1YKL7Yb7m+e9J02ZgW l4KGE5TYmHcJHyy7sRwmWpN1aykX3205ZCXS3zHNI2Xmim3oft5jD3zoRXeNLvVFJ/4r lKitr6sF/O7na3U8IdqhsB0gMAdTwrWlpHNHkN1/+GJp5I/0w3WT96kNzVpA/HWjr6G1 rXUQ== X-Forwarded-Encrypted: i=1; AJvYcCVK8Doq3vfahhBYUtQzHUjadUSotcKFWw7anNRZy7PYVSaJ9urx/4QDvs1sxDBRrOySmRt4YArWrtqvJfs=@vger.kernel.org X-Gm-Message-State: AOJu0YxXy93ImbaFoVbkZtvDa2RiereZ6o4nbyJ3ummnKUPTFqHTchC0 Z+iF13ZpHcFadrPXWerIvht5Wd1I8MOpttOIPks+6K5Lr0UZhT3/hHwHbd0MrJ9c1FSDCvYxRtm V12wrxSZAm0ZWqUsvMC+HaVw5Znzw77Brb12O9cbTY3WJ/6bvGRfJPX9heBA= X-Google-Smtp-Source: AGHT+IGUmKSJT+d2iFTfH8WysDJUk7tflpCz4aox3079lXYwbRbYkW5oei9UVRZ+1Qti6tt3sRTcpTmEZrUR7RII+gdYo6AsG1N+ Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a6b:580d:0:b0:861:6f49:626 with SMTP id ca18e2360f4ac-8819f0b93b9mr978115239f.6.1754559271215; Thu, 07 Aug 2025 02:34:31 -0700 (PDT) Date: Thu, 07 Aug 2025 02:34:31 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <68947327.050a0220.7f033.0042.GAE@google.com> Subject: [syzbot] [wireless?] WARNING in ieee80211_recalc_chanctx_chantype 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=1489c434580000 kernel config: https://syzkaller.appspot.com/x/.config?x=62d04834ef6637ed dashboard link: https://syzkaller.appspot.com/bug?extid=3e1ddd8aa744da8bec01 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/3e5f109fb8fc/disk-7e161a99.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/051cd2ea2369/vmlinux-7e161a99.xz kernel image: https://storage.googleapis.com/syzbot-assets/f4d2819ae9d5/bzImage-7e161a99.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+3e1ddd8aa744da8bec01@syzkaller.appspotmail.com ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6016 at net/mac80211/chan.c:844 ieee80211_recalc_chanctx_chantype+0x7a7/0xae0 net/mac80211/chan.c:844 Modules linked in: CPU: 1 UID: 0 PID: 6016 Comm: kworker/u8:3 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:ieee80211_recalc_chanctx_chantype+0x7a7/0xae0 net/mac80211/chan.c:844 Code: 00 00 00 fc ff df 4c 89 fa 48 c1 ea 03 80 3c 02 00 0f 84 6f f9 ff ff 4c 89 ff e8 14 60 0c f7 e9 62 f9 ff ff e8 8a 08 a7 f6 90 <0f> 0b 90 e9 18 fc ff ff e8 7c 08 a7 f6 49 8d bd a0 09 00 00 48 b8 RSP: 0018:ffffc900047c7098 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 000000000000000f RCX: ffffffff8b1484e2 RDX: ffff888030da5a00 RSI: ffffffff8b1489d6 RDI: 0000000000000005 RBP: dffffc0000000000 R08: 0000000000000005 R09: 000000000000000f R10: 000000000000000f R11: 0000000000000000 R12: 1ffff920008f8e1c R13: 0000000000000000 R14: ffff88805288a8c0 R15: 0000000000000007 FS: 0000000000000000(0000) GS:ffff8881247c7000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000008000 CR3: 000000000e380000 CR4: 0000000000350ef0 Call Trace: ieee80211_assign_link_chanctx+0xb90/0xf00 net/mac80211/chan.c:944 __ieee80211_link_release_channel+0x273/0x4b0 net/mac80211/chan.c:1890 ieee80211_link_release_channel+0x128/0x200 net/mac80211/chan.c:2165 ieee80211_leave_mesh+0x71/0x150 net/mac80211/cfg.c:2842 rdev_leave_mesh net/wireless/rdev-ops.h:372 [inline] cfg80211_leave_mesh+0x23e/0x900 net/wireless/mesh.c:277 cfg80211_leave+0x26a/0x3f0 net/wireless/core.c:1383 cfg80211_netdev_notifier_call+0x2c1/0x1120 net/wireless/core.c:1567 notifier_call_chain+0xbc/0x410 kernel/notifier.c:85 call_netdevice_notifiers_info+0xbe/0x140 net/core/dev.c:2229 call_netdevice_notifiers_extack net/core/dev.c:2267 [inline] call_netdevice_notifiers net/core/dev.c:2281 [inline] __dev_close_many+0xff/0x770 net/core/dev.c:1726 netif_close_many+0x233/0x630 net/core/dev.c:1780 netif_close net/core/dev.c:1797 [inline] netif_close+0x17f/0x230 net/core/dev.c:1791 dev_close+0xaa/0x240 net/core/dev_api.c:220 cfg80211_shutdown_all_interfaces+0x9a/0x220 net/wireless/core.c:277 ieee80211_remove_interfaces+0xc3/0x740 net/mac80211/iface.c:2364 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+0x2ee/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+0x3c5/0x780 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