------------[ cut here ]------------
WARNING: net/mac80211/tx.c:5024 at __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5024 [inline], CPU#0: syz.3.69/6219
WARNING: net/mac80211/tx.c:5024 at __ieee80211_beacon_get+0x125d/0x1630 net/mac80211/tx.c:5453, CPU#0: syz.3.69/6219
Modules linked in:
CPU: 0 UID: 0 PID: 6219 Comm: syz.3.69 Not tainted 6.16.0-rc2-next-20250616-syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5024 [inline]
RIP: 0010:__ieee80211_beacon_get+0x125d/0x1630 net/mac80211/tx.c:5453
Code: e7 e8 27 f2 2f f7 45 31 f6 4c 8b bc 24 a0 00 00 00 e9 78 fe ff ff e8 92 bf d6 f6 90 0f 0b 90 e9 e0 f7 ff ff e8 84 bf d6 f6 90 <0f> 0b 90 e9 38 fb ff ff e8 76 bf d6 f6 48 c7 c7 a0 5c 79 8f 4c 89
RSP: 0000:ffffc900000079f8 EFLAGS: 00010246
RAX: ffffffff8ae9aaac RBX: ffffffff8ae99886 RCX: ffff888031650000
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff888031650000 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: ffff888031866500
R13: dffffc0000000000 R14: ffff8880318669d0 R15: ffff88805600d824
FS:  00007f54b2e806c0(0000) GS:ffff888125c40000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0abba93d58 CR3: 00000000319d6000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 ieee80211_beacon_get_tim+0xb4/0x2b0 net/mac80211/tx.c:5580
 ieee80211_beacon_get include/net/mac80211.h:5638 [inline]
 mac80211_hwsim_beacon_tx+0x3ce/0x860 drivers/net/wireless/virtual/mac80211_hwsim.c:2319
 __iterate_interfaces+0x2a8/0x590 net/mac80211/util.c:761
 ieee80211_iterate_active_interfaces_atomic+0xdb/0x180 net/mac80211/util.c:797
 mac80211_hwsim_beacon+0xbb/0x1c0 drivers/net/wireless/virtual/mac80211_hwsim.c:2353
 __run_hrtimer kernel/time/hrtimer.c:1761 [inline]
 __hrtimer_run_queues+0x529/0xc60 kernel/time/hrtimer.c:1825
 hrtimer_run_softirq+0x187/0x2b0 kernel/time/hrtimer.c:1842
 handle_softirqs+0x283/0x870 kernel/softirq.c:579
 __do_softirq kernel/softirq.c:613 [inline]
 invoke_softirq kernel/softirq.c:453 [inline]
 __irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:680
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:696
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline]
 sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1050
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:preempt_count_add+0x32/0x1a0 kernel/sched/core.c:5777
Code: 53 49 bf 00 00 00 00 00 fc ff df 48 c7 c0 20 53 a9 99 48 c1 e8 03 42 0f b6 04 38 84 c0 0f 85 f1 00 00 00 83 3d 3e 7e 18 18 00 <75> 07 65 8b 05 45 2b 0d 11 65 01 3d 3e 2b 0d 11 48 c7 c0 20 53 a9
RSP: 0000:ffffc9000bb776d0 EFLAGS: 00000246
RAX: 0000000000000004 RBX: ffff888055546168 RCX: ffffffff99a95303
RDX: ffffc9000c96c000 RSI: 000000000007ffff RDI: 0000000000000001
RBP: ffffc9000bb778d0 R08: ffff888031650007 R09: 1ffff110062ca000
R10: dffffc0000000000 R11: ffffed10062ca001 R12: 1ffff9200176ef00
R13: ffffc9000bb77820 R14: 7fffffffffffffff R15: dffffc0000000000
 __raw_spin_lock include/linux/spinlock_api_smp.h:132 [inline]
 _raw_spin_lock+0x12/0x40 kernel/locking/spinlock.c:154
 spin_lock include/linux/spinlock.h:351 [inline]
 unix_dgram_sendmsg+0x8b0/0x1870 net/unix/af_unix.c:2115
 sock_sendmsg_nosec net/socket.c:712 [inline]
 __sock_sendmsg+0x219/0x270 net/socket.c:727
 ____sys_sendmsg+0x52d/0x830 net/socket.c:2566
 ___sys_sendmsg+0x21f/0x2a0 net/socket.c:2620
 __sys_sendmmsg+0x227/0x430 net/socket.c:2709
 __do_sys_sendmmsg net/socket.c:2736 [inline]
 __se_sys_sendmmsg net/socket.c:2733 [inline]
 __x64_sys_sendmmsg+0xa0/0xc0 net/socket.c:2733
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f54b1f8e929
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f54b2e80038 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 00007f54b21b5fa0 RCX: 00007f54b1f8e929
RDX: 0000000000000651 RSI: 0000200000000000 RDI: 0000000000000005
RBP: 00007f54b2010b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f54b21b5fa0 R15: 00007ffca4ee40d8
 </TASK>
----------------
Code disassembly (best guess):
   0:	53                   	push   %rbx
   1:	49 bf 00 00 00 00 00 	movabs $0xdffffc0000000000,%r15
   8:	fc ff df
   b:	48 c7 c0 20 53 a9 99 	mov    $0xffffffff99a95320,%rax
  12:	48 c1 e8 03          	shr    $0x3,%rax
  16:	42 0f b6 04 38       	movzbl (%rax,%r15,1),%eax
  1b:	84 c0                	test   %al,%al
  1d:	0f 85 f1 00 00 00    	jne    0x114
  23:	83 3d 3e 7e 18 18 00 	cmpl   $0x0,0x18187e3e(%rip)        # 0x18187e68
* 2a:	75 07                	jne    0x33 <-- trapping instruction
  2c:	65 8b 05 45 2b 0d 11 	mov    %gs:0x110d2b45(%rip),%eax        # 0x110d2b78
  33:	65 01 3d 3e 2b 0d 11 	add    %edi,%gs:0x110d2b3e(%rip)        # 0x110d2b78
  3a:	48                   	rex.W
  3b:	c7                   	.byte 0xc7
  3c:	c0 20 53             	shlb   $0x53,(%rax)
  3f:	a9                   	.byte 0xa9