------------[ cut here ]------------ err WARNING: net/wireless/core.c:207 at cfg80211_switch_netns+0x574/0x5a0 net/wireless/core.c:207, CPU#1: kworker/u8:25/10260 Modules linked in: CPU: 1 UID: 0 PID: 10260 Comm: kworker/u8:25 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 Workqueue: netns cleanup_net RIP: 0010:cfg80211_switch_netns+0x574/0x5a0 net/wireless/core.c:207 Code: e1 07 38 c1 7c 8c 4c 89 e7 e8 b8 33 40 f7 eb 82 e8 d1 f8 d4 f6 e9 63 fe ff ff e8 c7 f8 d4 f6 e9 59 fe ff ff e8 bd f8 d4 f6 90 <0f> 0b 90 e9 95 fd ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c b7 fa RSP: 0018:ffffc90003c3f8a0 EFLAGS: 00010293 RAX: ffffffff8af0c6b3 RBX: ffff88803f780e10 RCX: ffff888041583d80 RDX: 0000000000000000 RSI: 00000000ffffffef RDI: 0000000000000000 RBP: 00000000ffffffef R08: ffffffff9030dbf7 R09: 1ffffffff2061b7e R10: dffffc0000000000 R11: fffffbfff2061b7f R12: ffff88803f780740 R13: ffff888055ac4b80 R14: dffffc0000000000 R15: ffff88803f780928 FS: 0000000000000000(0000) GS:ffff888125387000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f96a6c3b6b0 CR3: 000000007e770000 CR4: 00000000003526f0 Call Trace: cfg80211_pernet_exit+0x92/0x120 net/wireless/core.c:1868 ops_exit_list net/core/net_namespace.c:199 [inline] ops_undo_list+0x49f/0x940 net/core/net_namespace.c:252 cleanup_net+0x56b/0x800 net/core/net_namespace.c:702 process_one_work kernel/workqueue.c:3302 [inline] process_scheduled_works+0xb5d/0x1860 kernel/workqueue.c:3385 worker_thread+0xa53/0xfc0 kernel/workqueue.c:3466 kthread+0x388/0x470 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245