------------[ cut here ]------------ !list_empty(&bss->hidden_list) WARNING: net/wireless/scan.c:1825 at cfg80211_combine_bsses net/wireless/scan.c:1825 [inline], CPU#0: ksoftirqd/0/15 WARNING: net/wireless/scan.c:1825 at __cfg80211_bss_update+0x196f/0x2010 net/wireless/scan.c:2072, CPU#0: ksoftirqd/0/15 Modules linked in: CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:cfg80211_combine_bsses net/wireless/scan.c:1825 [inline] RIP: 0010:__cfg80211_bss_update+0x196f/0x2010 net/wireless/scan.c:2072 Code: 80 3c 28 00 4d 8d 7c 24 78 74 08 4c 89 ff e8 e8 e1 17 f7 4d 89 37 e9 5f fc ff ff e8 8b 49 aa f6 90 0f 0b 90 e9 51 fc ff ff 90 <0f> 0b 90 4c 89 f7 e8 e6 48 c2 f9 84 c0 0f 84 1e 01 00 00 e8 69 49 RSP: 0018:ffffc90000146f88 EFLAGS: 00010287 RAX: ffff88802a420c10 RBX: ffff88802a420800 RCX: 0000000000000100 RDX: ffff88801e281f00 RSI: 0000000000000000 RDI: 0000000000000006 RBP: dffffc0000000000 R08: 0000000000005050 R09: 0000000000030000 R10: 0000000000005050 R11: 0000000000030000 R12: ffff88807ffa4c00 R13: 0000000000000000 R14: ffff88807ffa4c10 R15: 1ffff1100fff4991 FS: 0000000000000000(0000) GS:ffff888124f4f000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2cd5ffff CR3: 0000000070f6c000 CR4: 00000000003526f0 Call Trace: cfg80211_inform_single_bss_data+0xc4a/0x1be0 net/wireless/scan.c:2406 cfg80211_inform_bss_data+0x263/0x3cc0 net/wireless/scan.c:3266 cfg80211_inform_bss_frame_data+0x3c7/0x840 net/wireless/scan.c:3358 ieee80211_bss_info_update+0x791/0xa50 net/mac80211/scan.c:230 ieee80211_scan_rx+0x552/0xa40 net/mac80211/scan.c:364 __ieee80211_rx_handle_packet net/mac80211/rx.c:5427 [inline] ieee80211_rx_list+0x2d0a/0x3b00 net/mac80211/rx.c:5720 ieee80211_rx_napi+0x1ad/0x3d0 net/mac80211/rx.c:5743 ieee80211_rx include/net/mac80211.h:5448 [inline] ieee80211_handle_queued_frames+0xe4/0x1d0 net/mac80211/main.c:452 tasklet_action_common+0x2d7/0x490 kernel/softirq.c:938 handle_softirqs+0x225/0x840 kernel/softirq.c:622 run_ksoftirqd+0x36/0x60 kernel/softirq.c:1076 smpboot_thread_fn+0x57c/0xa80 kernel/smpboot.c:160 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