------------[ cut here ]------------
!list_empty(&bss->hidden_list)
WARNING: net/wireless/scan.c:1787 at cfg80211_combine_bsses net/wireless/scan.c:1787 [inline], CPU#1: ksoftirqd/1/23
WARNING: net/wireless/scan.c:1787 at __cfg80211_bss_update+0x1a7f/0x2110 net/wireless/scan.c:2034, CPU#1: ksoftirqd/1/23
Modules linked in:
CPU: 1 UID: 0 PID: 23 Comm: ksoftirqd/1 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:ffffc90000a08190 EFLAGS: 00010206
RAX: ffff88807d66b810 RBX: ffff888030094c00 RCX: ffff888030095010
RDX: ffff88801dec0000 RSI: 0000000000000000 RDI: 0000000000000006
RBP: 1ffff11006012a02 R08: 0000000000005050 R09: 0000000000030000
R10: 0000000000005050 R11: 0000000000030000 R12: ffff888030095000
R13: 0000000000000000 R14: ffff888030094c68 R15: ffff888030094c10
FS:  0000000000000000(0000) GS:ffff888125325000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2c95ffff CR3: 0000000071c98000 CR4: 00000000003526f0
Call Trace:
 <IRQ>
 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
 __do_softirq kernel/softirq.c:656 [inline]
 invoke_softirq kernel/softirq.c:496 [inline]
 __irq_exit_rcu+0xca/0x220 kernel/softirq.c:735
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:752
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1061 [inline]
 sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1061
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:finish_task_switch+0x427/0xbe0 kernel/sched/core.c:5244
Code: 41 c7 84 24 e0 0d 00 00 00 00 00 00 0f 1f 44 00 00 49 83 c4 48 4c 89 e7 e8 66 bb 23 0a e8 31 e9 38 00 fb 49 8d bd a8 16 00 00 <48> 89 f8 48 c1 e8 03 42 0f b6 04 38 84 c0 0f 85 7b 03 00 00 41 80
RSP: 0018:ffffc900001d7ab0 EFLAGS: 00000206
RAX: 000000000014ef6f RBX: 1ffff110170e777c RCX: 0000000080000001
RDX: 0000000000000000 RSI: ffffffff8dfd1430 RDI: ffff88801dec16a8
RBP: ffffc900001d7b10 R08: ffffffff903335f7 R09: 1ffffffff20666be
R10: dffffc0000000000 R11: fffffbfff20666bf R12: ffff8880b873ae48
R13: ffff88801dec0000 R14: ffff888020395c40 R15: dffffc0000000000
 context_switch kernel/sched/core.c:5390 [inline]
 __schedule+0x17bc/0x5680 kernel/sched/core.c:7188
 __schedule_loop kernel/sched/core.c:7267 [inline]
 schedule+0x164/0x360 kernel/sched/core.c:7282
 smpboot_thread_fn+0x5bc/0xa50 kernel/smpboot.c:156
 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
 </TASK>
----------------
Code disassembly (best guess):
   0:	41 c7 84 24 e0 0d 00 	movl   $0x0,0xde0(%r12)
   7:	00 00 00 00 00
   c:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  11:	49 83 c4 48          	add    $0x48,%r12
  15:	4c 89 e7             	mov    %r12,%rdi
  18:	e8 66 bb 23 0a       	call   0xa23bb83
  1d:	e8 31 e9 38 00       	call   0x38e953
  22:	fb                   	sti
  23:	49 8d bd a8 16 00 00 	lea    0x16a8(%r13),%rdi
* 2a:	48 89 f8             	mov    %rdi,%rax <-- trapping instruction
  2d:	48 c1 e8 03          	shr    $0x3,%rax
  31:	42 0f b6 04 38       	movzbl (%rax,%r15,1),%eax
  36:	84 c0                	test   %al,%al
  38:	0f 85 7b 03 00 00    	jne    0x3b9
  3e:	41                   	rex.B
  3f:	80                   	.byte 0x80