------------[ cut here ]------------
WARNING: CPU: 1 PID: 0 at net/mac80211/tx.c:5033 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5033 [inline]
WARNING: CPU: 1 PID: 0 at net/mac80211/tx.c:5033 __ieee80211_beacon_get+0x1233/0x1600 net/mac80211/tx.c:5444
Modules linked in:
CPU: 1 PID: 0 Comm: swapper/1 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:5033 [inline]
RIP: 0010:__ieee80211_beacon_get+0x1233/0x1600 net/mac80211/tx.c:5444
Code: 24 4c 89 e7 e8 be 74 c0 f7 45 31 f6 4c 8b bc 24 a0 00 00 00 e9 7a fe ff ff e8 b9 b2 82 f7 0f 0b e9 f6 f7 ff ff e8 ad b2 82 f7 <0f> 0b e9 48 fb ff ff e8 a1 b2 82 f7 48 c7 c7 20 89 64 8e 4c 89 e6
RSP: 0000:ffffc900001f0a18 EFLAGS: 00010246
RAX: ffffffff8a046f53 RBX: ffffffff8a045d56 RCX: ffff88801a27bc00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff88801a27bc00 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: ffff88805cd923c0
R13: dffffc0000000000 R14: ffff88805cd928b0 R15: ffff88802bf24c24
FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb0af071fa5 CR3: 000000005ba85000 CR4: 00000000003506e0
Call Trace:
 <IRQ>
 ieee80211_beacon_get_tim+0xbf/0x580 net/mac80211/tx.c:5571
 ieee80211_beacon_get include/net/mac80211.h:5440 [inline]
 mac80211_hwsim_beacon_tx+0x3c7/0x780 drivers/net/wireless/virtual/mac80211_hwsim.c:2265
 __iterate_interfaces+0x243/0x500 net/mac80211/util.c:766
 ieee80211_iterate_active_interfaces_atomic+0xdb/0x180 net/mac80211/util.c:802
 mac80211_hwsim_beacon+0xbb/0x1b0 drivers/net/wireless/virtual/mac80211_hwsim.c:2295
 __run_hrtimer kernel/time/hrtimer.c:1750 [inline]
 __hrtimer_run_queues+0x520/0xc40 kernel/time/hrtimer.c:1814
 hrtimer_run_softirq+0x187/0x2b0 kernel/time/hrtimer.c:1831
 handle_softirqs+0x280/0x820 kernel/softirq.c:578
 __do_softirq kernel/softirq.c:612 [inline]
 invoke_softirq kernel/softirq.c:452 [inline]
 __irq_exit_rcu+0xd3/0x190 kernel/softirq.c:661
 irq_exit_rcu+0x9/0x20 kernel/softirq.c:673
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1088 [inline]
 sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1088
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0010:sched_core_balance+0x148/0xff0 kernel/sched/core.c:6376
Code: 14 03 00 00 48 c7 c2 c0 7b ca 8a e8 a2 f9 09 00 e9 3e 0e 00 00 48 8b 7c 24 38 e8 63 2d 31 09 e8 fe ad 2e 00 fb 4c 8b 74 24 50 <41> 83 fe 08 0f 83 06 0e 00 00 48 89 9c 24 80 00 00 00 4c 8d 3c dd
RSP: 0000:ffffc900001879c0 EFLAGS: 00000282
RAX: 12a4d55fe2a8ae00 RBX: 0000000000000001 RCX: 12a4d55fe2a8ae00
RDX: dffffc0000000000 RSI: ffffffff8acac9e0 RDI: ffffffff8b1c8fa0
RBP: ffffc90000187b48 R08: ffffffff8e8b19af R09: 1ffffffff1d16335
R10: dffffc0000000000 R11: fffffbfff1d16336 R12: ffff8880b8f3c000
R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000
 do_balance_callbacks kernel/sched/core.c:5024 [inline]
 __balance_callbacks kernel/sched/core.c:5078 [inline]
 finish_lock_switch kernel/sched/core.c:5134 [inline]
 finish_task_switch+0x395/0x8f0 kernel/sched/core.c:5253
 context_switch kernel/sched/core.c:5384 [inline]
 __schedule+0x155b/0x45a0 kernel/sched/core.c:6700
 schedule_idle+0x4e/0x80 kernel/sched/core.c:6802
 do_idle+0x539/0x590 kernel/sched/idle.c:331
 cpu_startup_entry+0x43/0x60 kernel/sched/idle.c:401
 start_secondary+0xee/0xf0 arch/x86/kernel/smpboot.c:323
 secondary_startup_64_no_verify+0x179/0x17b
 </TASK>
----------------
Code disassembly (best guess):
   0:	14 03                	adc    $0x3,%al
   2:	00 00                	add    %al,(%rax)
   4:	48 c7 c2 c0 7b ca 8a 	mov    $0xffffffff8aca7bc0,%rdx
   b:	e8 a2 f9 09 00       	call   0x9f9b2
  10:	e9 3e 0e 00 00       	jmp    0xe53
  15:	48 8b 7c 24 38       	mov    0x38(%rsp),%rdi
  1a:	e8 63 2d 31 09       	call   0x9312d82
  1f:	e8 fe ad 2e 00       	call   0x2eae22
  24:	fb                   	sti
  25:	4c 8b 74 24 50       	mov    0x50(%rsp),%r14
* 2a:	41 83 fe 08          	cmp    $0x8,%r14d <-- trapping instruction
  2e:	0f 83 06 0e 00 00    	jae    0xe3a
  34:	48 89 9c 24 80 00 00 	mov    %rbx,0x80(%rsp)
  3b:	00
  3c:	4c                   	rex.WR
  3d:	8d                   	.byte 0x8d
  3e:	3c dd                	cmp    $0xdd,%al