------------[ cut here ]------------
WARNING: CPU: 0 PID: 8149 at net/mac80211/tx.c:4946 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4946 [inline]
WARNING: CPU: 0 PID: 8149 at net/mac80211/tx.c:4946 __ieee80211_beacon_get+0x1233/0x1600 net/mac80211/tx.c:5347
Modules linked in:
CPU: 0 PID: 8149 Comm: syz.5.1329 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4946 [inline]
RIP: 0010:__ieee80211_beacon_get+0x1233/0x1600 net/mac80211/tx.c:5347
Code: 24 4c 89 e7 e8 6e b6 08 f8 45 31 f6 4c 8b bc 24 a0 00 00 00 e9 7a fe ff ff e8 59 1a d0 f7 0f 0b e9 f6 f7 ff ff e8 4d 1a d0 f7 <0f> 0b e9 48 fb ff ff e8 41 1a d0 f7 48 c7 c7 b0 24 fb 8d 4c 89 e6
RSP: 0000:ffffc90000007a30 EFLAGS: 00010246
RAX: ffffffff89b26153 RBX: ffffffff89b24f56 RCX: ffff888019f55a00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff888019f55a00 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: ffff88807c6c6228
R13: dffffc0000000000 R14: ffff88807c6c6760 R15: ffff88807912d824
FS:  00007f081b5d56c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f08121f6000 CR3: 00000000598ad000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 ieee80211_beacon_get_tim+0x63/0x4e0 net/mac80211/tx.c:5474
 ieee80211_beacon_get include/net/mac80211.h:5335 [inline]
 mac80211_hwsim_beacon_tx+0x21c/0xae0 drivers/net/wireless/mac80211_hwsim.c:2091
 __iterate_interfaces+0x243/0x500 net/mac80211/util.c:788
 ieee80211_iterate_active_interfaces_atomic+0xd7/0x170 net/mac80211/util.c:824
 mac80211_hwsim_beacon+0xb7/0x1b0 drivers/net/wireless/mac80211_hwsim.c:2147
 __run_hrtimer kernel/time/hrtimer.c:1751 [inline]
 __hrtimer_run_queues+0x54a/0xd50 kernel/time/hrtimer.c:1815
 hrtimer_run_softirq+0x183/0x2a0 kernel/time/hrtimer.c:1832
 handle_softirqs+0x2a1/0x930 kernel/softirq.c:596
 __do_softirq kernel/softirq.c:630 [inline]
 invoke_softirq kernel/softirq.c:470 [inline]
 __irq_exit_rcu+0x13b/0x230 kernel/softirq.c:679
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:691
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
 sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1118
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:__raw_callee_save___pv_queued_spin_unlock+0xc/0x12
Code: 56 57 41 50 41 51 41 52 41 53 e8 6f 08 00 00 41 5b 41 5a 41 59 41 58 5f 5e 5a 59 c3 90 90 52 b8 01 00 00 00 31 d2 f0 0f b0 17 <3c> 01 75 02 5a c3 56 0f b6 f0 e8 c5 ff ff ff 5e 5a c3 66 90 55 48
RSP: 0000:ffffc9000dd1fc28 EFLAGS: 00000246
RAX: 0000000000000001 RBX: ffff8880263bc900 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff8880263bc900
RBP: 1ffff11004c77921 R08: ffff8880263bc903 R09: 1ffff11004c77920
R10: dffffc0000000000 R11: ffffed1004c77921 R12: dffffc0000000000
R13: 1ffff11004c77922 R14: ffff8880263bc910 R15: ffff8880263bc908
 pv_queued_spin_unlock arch/x86/include/asm/paravirt.h:596 [inline]
 queued_spin_unlock arch/x86/include/asm/qspinlock.h:57 [inline]
 do_raw_spin_unlock+0x11d/0x230 kernel/locking/spinlock_debug.c:141
 __raw_spin_unlock include/linux/spinlock_api_smp.h:142 [inline]
 _raw_spin_unlock+0x1a/0x40 kernel/locking/spinlock.c:186
 spin_unlock include/linux/spinlock.h:391 [inline]
 do_anonymous_page mm/memory.c:4236 [inline]
 handle_pte_fault mm/memory.c:5027 [inline]
 __handle_mm_fault mm/memory.c:5171 [inline]
 handle_mm_fault+0x359b/0x3ee0 mm/memory.c:5292
 do_user_addr_fault+0x51f/0xb10 arch/x86/mm/fault.c:1338
 handle_page_fault arch/x86/mm/fault.c:1429 [inline]
 exc_page_fault+0x60/0x100 arch/x86/mm/fault.c:1482
 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:608
RIP: 0033:0x7f081a6541ce
Code: c1 49 39 4f 08 72 54 8d 4d ff 85 ed 74 3b 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 39 f0 72 1b 4d 8b 07 49 89 c1 49 29 f1 <47> 0f b6 0c 08 45 84 c9 74 08 45 88 0c 00 49 8b 47 10 48 83 c0 01
RSP: 002b:00007f081b5d4470 EFLAGS: 00010206
RAX: 0000000001bff001 RBX: 00007f081b5d4530 RCX: 0000000000000033
RDX: 0000000000000005 RSI: 0000000000000001 RDI: 00007f081b5d45d0
RBP: 0000000000000102 R08: 00007f08105f7000 R09: 0000000001bff000
R10: 0000000000000000 R11: 00007f081b5d4540 R12: 0000000000000001
R13: 00007f081a852980 R14: 0000000000000000 R15: 00007f081b5d45d0
 </TASK>
----------------
Code disassembly (best guess):
   0:	56                   	push   %rsi
   1:	57                   	push   %rdi
   2:	41 50                	push   %r8
   4:	41 51                	push   %r9
   6:	41 52                	push   %r10
   8:	41 53                	push   %r11
   a:	e8 6f 08 00 00       	call   0x87e
   f:	41 5b                	pop    %r11
  11:	41 5a                	pop    %r10
  13:	41 59                	pop    %r9
  15:	41 58                	pop    %r8
  17:	5f                   	pop    %rdi
  18:	5e                   	pop    %rsi
  19:	5a                   	pop    %rdx
  1a:	59                   	pop    %rcx
  1b:	c3                   	ret
  1c:	90                   	nop
  1d:	90                   	nop
  1e:	52                   	push   %rdx
  1f:	b8 01 00 00 00       	mov    $0x1,%eax
  24:	31 d2                	xor    %edx,%edx
  26:	f0 0f b0 17          	lock cmpxchg %dl,(%rdi)
* 2a:	3c 01                	cmp    $0x1,%al <-- trapping instruction
  2c:	75 02                	jne    0x30
  2e:	5a                   	pop    %rdx
  2f:	c3                   	ret
  30:	56                   	push   %rsi
  31:	0f b6 f0             	movzbl %al,%esi
  34:	e8 c5 ff ff ff       	call   0xfffffffe
  39:	5e                   	pop    %rsi
  3a:	5a                   	pop    %rdx
  3b:	c3                   	ret
  3c:	66 90                	xchg   %ax,%ax
  3e:	55                   	push   %rbp
  3f:	48                   	rex.W