------------[ cut here ]------------ !list_empty(&bss->hidden_list) WARNING: net/wireless/scan.c:1787 at cfg80211_combine_bsses net/wireless/scan.c:1787 [inline], CPU#0: ksoftirqd/0/15 WARNING: net/wireless/scan.c:1787 at __cfg80211_bss_update+0x1a7f/0x2110 net/wireless/scan.c:2034, 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 03/18/2026 RIP: 0010:cfg80211_combine_bsses net/wireless/scan.c:1787 [inline] RIP: 0010:__cfg80211_bss_update+0x1a7f/0x2110 net/wireless/scan.c:2034 Code: f7 4d 89 37 e9 f1 fb ff ff e8 4d c8 c4 f6 90 0f 0b 90 48 bd 00 00 00 00 00 fc ff df e9 d9 fb ff ff 4c 89 ac 24 90 00 00 00 90 <0f> 0b 90 48 8b 3c 24 e8 45 ef b9 f9 84 c0 0f 84 18 01 00 00 e8 18 RSP: 0018:ffffc90000146f50 EFLAGS: 00010287 RAX: ffff8880710b2810 RBX: ffff888073523000 RCX: ffff8880710b2c10 RDX: ffff88801dad1ec0 RSI: 0000000000000000 RDI: 0000000000000006 RBP: 1ffff1100e216582 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880710b2c00 R13: 0000000000000000 R14: ffff888073523068 R15: ffff888073523010 FS: 0000000000000000(0000) GS:ffff888125225000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2e45ffff CR3: 0000000071a90000 CR4: 00000000003526f0 Call Trace: cfg80211_inform_single_bss_data+0xbc4/0x1af0 net/wireless/scan.c:2368 cfg80211_inform_bss_data+0x266/0x3c40 net/wireless/scan.c:3226 cfg80211_inform_bss_frame_data+0x3c7/0x730 net/wireless/scan.c:3317 ieee80211_bss_info_update+0x794/0xa40 net/mac80211/scan.c:230 ieee80211_scan_rx+0x552/0xa40 net/mac80211/scan.c:364 __ieee80211_rx_handle_packet net/mac80211/rx.c:5353 [inline] ieee80211_rx_list+0x29e9/0x3730 net/mac80211/rx.c:5636 ieee80211_rx_napi+0x1b1/0x3e0 net/mac80211/rx.c:5659 ieee80211_rx include/net/mac80211.h:5395 [inline] ieee80211_handle_queued_frames+0xe8/0x1e0 net/mac80211/main.c:452 tasklet_action_common+0x2da/0x4b0 kernel/softirq.c:938 handle_softirqs+0x22a/0x840 kernel/softirq.c:622 run_ksoftirqd+0x36/0x60 kernel/softirq.c:1076 smpboot_thread_fn+0x541/0xa50 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