------------[ cut here ]------------
WARNING: CPU: 0 PID: 25635 at net/mac80211/tx.c:4851 __ieee80211_beacon_get+0x183d/0x2080 net/mac80211/tx.c:5075
Modules linked in:
CPU: 0 PID: 25635 Comm: syz.5.4636 Not tainted 5.15.173-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4851 [inline]
RIP: 0010:__ieee80211_beacon_get+0x183d/0x2080 net/mac80211/tx.c:5075
Code: ff e8 e7 c9 b4 f7 0f 0b e9 4b fa ff ff e8 db c9 b4 f7 0f 0b e9 3b fe ff ff e8 cf c9 b4 f7 0f 0b e9 06 ee ff ff e8 c3 c9 b4 f7 <0f> 0b e9 91 f0 ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 2d ea
RSP: 0018:ffffc90000007840 EFLAGS: 00010246
RAX: ffffffff89cba9dd RBX: 0000000000000000 RCX: ffff88802826d940
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000007a70 R08: ffffffff89cb9a68 R09: ffffffff89cb943b
R10: 0000000000000003 R11: ffff88802826d940 R12: dffffc0000000000
R13: ffff888062cc8c80 R14: ffff888062cca298 R15: 1ffff92000000f18
FS:  00007f76056796c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2dc1aff8 CR3: 000000006864e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 ieee80211_beacon_get_tim+0xb7/0x950 net/mac80211/tx.c:5194
 ieee80211_beacon_get include/net/mac80211.h:4981 [inline]
 mac80211_hwsim_beacon_tx+0xe2/0x8a0 drivers/net/wireless/mac80211_hwsim.c:1812
 __iterate_interfaces+0x21e/0x4b0 net/mac80211/util.c:793
 ieee80211_iterate_active_interfaces_atomic+0xaf/0x140 net/mac80211/util.c:829
 mac80211_hwsim_beacon+0xa7/0x180 drivers/net/wireless/mac80211_hwsim.c:1865
 __run_hrtimer kernel/time/hrtimer.c:1688 [inline]
 __hrtimer_run_queues+0x598/0xcf0 kernel/time/hrtimer.c:1752
 hrtimer_run_softirq+0x196/0x2c0 kernel/time/hrtimer.c:1769
 handle_softirqs+0x3a7/0x930 kernel/softirq.c:558
 __do_softirq kernel/softirq.c:592 [inline]
 invoke_softirq kernel/softirq.c:432 [inline]
 __irq_exit_rcu+0x157/0x240 kernel/softirq.c:641
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:653
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
 sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1108
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:preempt_count_sub+0x3f/0x160 kernel/sched/core.c:5514
Code: 00 00 fc ff df 42 0f b6 04 30 84 c0 0f 85 c0 00 00 00 83 3d f2 32 2f 15 00 75 22 65 8b 05 f1 f2 aa 7e 89 c1 81 e1 ff ff ff 7f <39> d9 7c 23 81 fb fe 00 00 00 77 07 0f b6 c0 85 c0 74 55 65 8b 05
RSP: 0018:ffffc900033676d8 EFLAGS: 00000202
RAX: 0000000080000001 RBX: 0000000000000001 RCX: 0000000000000001
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000001
RBP: ffffc900033677d0 R08: dffffc0000000000 R09: ffffed1004a42175
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc90003367a08
R13: ffffc90003367a00 R14: dffffc0000000000 R15: dffffc0000000000
 __raw_spin_unlock include/linux/spinlock_api_smp.h:152 [inline]
 _raw_spin_unlock+0x24/0x40 kernel/locking/spinlock.c:186
 spin_unlock include/linux/spinlock.h:403 [inline]
 finish_fault+0x523/0x9e0 mm/memory.c:4146
 do_read_fault mm/memory.c:4266 [inline]
 do_fault mm/memory.c:4390 [inline]
 handle_pte_fault mm/memory.c:4648 [inline]
 __handle_mm_fault mm/memory.c:4783 [inline]
 handle_mm_fault+0x3795/0x5960 mm/memory.c:4881
 faultin_page mm/gup.c:976 [inline]
 __get_user_pages+0x4ed/0x11d0 mm/gup.c:1197
 populate_vma_page_range+0x215/0x2a0 mm/gup.c:1529
 __mm_populate+0x2a5/0x4a0 mm/gup.c:1638
 mm_populate include/linux/mm.h:2632 [inline]
 vm_mmap_pgoff+0x22b/0x2d0 mm/util.c:556
 ksys_mmap_pgoff+0x13e/0x780 mm/mmap.c:1624
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f7607201759
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:00007f7605679038 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007f76073b8f80 RCX: 00007f7607201759
RDX: b635773f07ebbeeb RSI: 0000000000b36000 RDI: 0000000020000000
RBP: 00007f760727475e R08: ffffffffffffffff R09: 0000000000000000
R10: 0000000000008031 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f76073b8f80 R15: 00007ffe23dccf58
 </TASK>
----------------
Code disassembly (best guess), 4 bytes skipped:
   0:	df 42 0f             	filds  0xf(%rdx)
   3:	b6 04                	mov    $0x4,%dh
   5:	30 84 c0 0f 85 c0 00 	xor    %al,0xc0850f(%rax,%rax,8)
   c:	00 00                	add    %al,(%rax)
   e:	83 3d f2 32 2f 15 00 	cmpl   $0x0,0x152f32f2(%rip)        # 0x152f3307
  15:	75 22                	jne    0x39
  17:	65 8b 05 f1 f2 aa 7e 	mov    %gs:0x7eaaf2f1(%rip),%eax        # 0x7eaaf30f
  1e:	89 c1                	mov    %eax,%ecx
  20:	81 e1 ff ff ff 7f    	and    $0x7fffffff,%ecx
* 26:	39 d9                	cmp    %ebx,%ecx <-- trapping instruction
  28:	7c 23                	jl     0x4d
  2a:	81 fb fe 00 00 00    	cmp    $0xfe,%ebx
  30:	77 07                	ja     0x39
  32:	0f b6 c0             	movzbl %al,%eax
  35:	85 c0                	test   %eax,%eax
  37:	74 55                	je     0x8e
  39:	65                   	gs
  3a:	8b                   	.byte 0x8b
  3b:	05                   	.byte 0x5