------------[ cut here ]------------ WARNING: CPU: 0 PID: 11340 at net/wireless/core.c:204 cfg80211_switch_netns+0x58a/0x5b0 net/wireless/core.c:204 Modules linked in: CPU: 0 UID: 0 PID: 11340 Comm: kworker/u8:30 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 Workqueue: netns cleanup_net RIP: 0010:cfg80211_switch_netns+0x58a/0x5b0 net/wireless/core.c:204 Code: e1 07 38 c1 7c 8c 4c 89 e7 e8 92 01 59 f7 eb 82 e8 2b 82 f5 f6 e9 63 fe ff ff e8 21 82 f5 f6 e9 59 fe ff ff e8 17 82 f5 f6 90 <0f> 0b 90 e9 7f fd ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c a1 fa RSP: 0018:ffffc90002f77860 EFLAGS: 00010293 RAX: ffffffff8aca2b79 RBX: ffff888079370d80 RCX: ffff88806eb98000 RDX: 0000000000000000 RSI: 00000000ffffffef RDI: 0000000000000000 RBP: 00000000ffffffef R08: ffffffff8fa39037 R09: 1ffffffff1f47206 R10: dffffc0000000000 R11: fffffbfff1f47207 R12: ffff888079370700 R13: ffff888052baef20 R14: dffffc0000000000 R15: ffff8880793708f0 FS: 0000000000000000(0000) GS:ffff888125c13000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f660e190eb8 CR3: 000000000df36000 CR4: 00000000003526f0 Call Trace: cfg80211_pernet_exit+0xa2/0x140 net/wireless/core.c:1680 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+0x70e/0x8a0 kernel/kthread.c:463 ret_from_fork+0x439/0x7d0 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245