------------[ cut here ]------------
WARNING: CPU: 1 PID: 4314 at net/mac80211/tx.c:4851 __ieee80211_beacon_get+0x183d/0x2080 net/mac80211/tx.c:5075
Modules linked in:
CPU: 1 PID: 4314 Comm: syz.0.26 Not tainted 5.15.172-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 17 cd b4 f7 0f 0b e9 4b fa ff ff e8 0b cd b4 f7 0f 0b e9 3b fe ff ff e8 ff cc b4 f7 0f 0b e9 06 ee ff ff e8 f3 cc 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: 0000:ffffc90000dd0840 EFLAGS: 00010246
RAX: ffffffff89cba6ad RBX: 0000000000000000 RCX: ffff8880281c8000
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000dd0a70 R08: ffffffff89cb9738 R09: ffffffff89cb910b
R10: 0000000000000003 R11: ffff8880281c8000 R12: dffffc0000000000
R13: ffff888061db0c80 R14: ffff888061db2298 R15: 1ffff920001ba118
FS:  00007f0cdb63c6c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0cd4204000 CR3: 0000000075b4f000 CR4: 00000000003506e0
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:rcu_read_unlock include/linux/rcupdate.h:768 [inline]
RIP: 0010:count_memcg_event_mm+0x301/0x3e0 include/linux/memcontrol.h:1082
Code: 89 fe ff ff e8 80 4b c7 ff eb 1f e8 79 4b c7 ff e8 b4 46 7b 08 4d 85 ed 74 89 e8 6a 4b c7 ff fb 49 bd 00 00 00 00 00 fc ff df <e8> 3a 4c 7b 08 89 c3 31 ff 89 c6 e8 af 4e c7 ff 85 db 74 10 e8 b6
RSP: 0000:ffffc900030cfb40 EFLAGS: 00000246
RAX: ffffffff81b92836 RBX: 0000000000000000 RCX: 0000000000040000
RDX: ffffc900037ba000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffffc900030cfc10 R08: ffffffff81b927ab R09: fffffbfff20ec827
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888079934000
R13: dffffc0000000000 R14: 1ffff92000619f6c R15: 0000000000000046
 handle_mm_fault+0x161/0x5960 mm/memory.c:4850
 do_user_addr_fault arch/x86/mm/fault.c:1357 [inline]
 handle_page_fault arch/x86/mm/fault.c:1445 [inline]
 exc_page_fault+0x271/0x700 arch/x86/mm/fault.c:1501
 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:606
RIP: 0033:0x7f0cdd0878d6
Code: f0 72 6e 48 63 cd 48 01 c1 49 39 4f 08 72 4c 8d 4d ff 85 ed 74 33 66 0f 1f 44 00 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:00007f0cdb63b4a0 EFLAGS: 00010206
RAX: 0000000000fe8001 RBX: 00007f0cdb63b540 RCX: 000000000000008e
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 00007f0cdb63b5e0
RBP: 0000000000000102 R08: 00007f0cd321c000 R09: 0000000000fe8000
R10: 0000000000000000 R11: 00007f0cdb63b550 R12: 0000000000000001
R13: 00007f0cdd24bfc0 R14: 0000000000000000 R15: 00007f0cdb63b5e0
 </TASK>
----------------
Code disassembly (best guess), 4 bytes skipped:
   0:	e8 80 4b c7 ff       	call   0xffc74b85
   5:	eb 1f                	jmp    0x26
   7:	e8 79 4b c7 ff       	call   0xffc74b85
   c:	e8 b4 46 7b 08       	call   0x87b46c5
  11:	4d 85 ed             	test   %r13,%r13
  14:	74 89                	je     0xffffff9f
  16:	e8 6a 4b c7 ff       	call   0xffc74b85
  1b:	fb                   	sti
  1c:	49 bd 00 00 00 00 00 	movabs $0xdffffc0000000000,%r13
  23:	fc ff df
* 26:	e8 3a 4c 7b 08       	call   0x87b4c65 <-- trapping instruction
  2b:	89 c3                	mov    %eax,%ebx
  2d:	31 ff                	xor    %edi,%edi
  2f:	89 c6                	mov    %eax,%esi
  31:	e8 af 4e c7 ff       	call   0xffc74ee5
  36:	85 db                	test   %ebx,%ebx
  38:	74 10                	je     0x4a
  3a:	e8                   	.byte 0xe8
  3b:	b6                   	.byte 0xb6