------------[ cut here ]------------
WARNING: CPU: 0 PID: 0 at net/mac80211/tx.c:5033 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5033 [inline]
WARNING: CPU: 0 PID: 0 at net/mac80211/tx.c:5033 __ieee80211_beacon_get+0x1141/0x1520 net/mac80211/tx.c:5444
Modules linked in:
CPU: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5033 [inline]
RIP: 0010:__ieee80211_beacon_get+0x1141/0x1520 net/mac80211/tx.c:5444
Code: f7 4c 89 ef e8 b0 a4 c2 f7 45 31 ed 4c 8b bc 24 a0 00 00 00 e9 7f fe ff ff e8 7b c6 84 f7 0f 0b e9 61 f8 ff ff e8 6f c6 84 f7 <0f> 0b e9 85 fb ff ff e8 63 c6 84 f7 48 c7 c7 40 50 64 8e 4c 89 e6
RSP: 0018:ffffc90000007a18 EFLAGS: 00010246
RAX: ffffffff8a021ee1 RBX: dffffc0000000000 RCX: ffffffff8ce93440
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff8ce93440 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: ffff888067016440
R13: ffff888074774424 R14: ffff888067016930 R15: ffff888074774400
FS:  0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f60379ea540 CR3: 0000000067b78000 CR4: 00000000003506f0
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+0x3bd/0x770 drivers/net/wireless/virtual/mac80211_hwsim.c:2265
 __iterate_interfaces+0x225/0x4c0 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:1754 [inline]
 __hrtimer_run_queues+0x525/0xc10 kernel/time/hrtimer.c:1818
 hrtimer_run_softirq+0x177/0x290 kernel/time/hrtimer.c:1835
 handle_softirqs+0x27d/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+0x14a/0x1010 kernel/sched/core.c:6376
Code: c2 40 7d ca 8a e8 a6 f6 09 00 4c 89 b4 24 88 00 00 00 e9 60 0e 00 00 4c 89 f7 e8 21 c2 2e 09 e8 0c 92 2e 00 fb 4c 8b 74 24 40 <41> 83 fe 08 0f 83 2a 0e 00 00 4e 8d 3c f5 30 aa a7 8c 4c 89 f8 48
RSP: 0018:ffffffff8ce07980 EFLAGS: 00000282
RAX: 14dce62d9a70bb00 RBX: ffff8880b8e3cfc8 RCX: 14dce62d9a70bb00
RDX: dffffc0000000000 RSI: ffffffff8acacb60 RDI: ffffffff8b1c7be0
RBP: ffffffff8ce07b20 R08: ffffffff8e8ae5ef R09: 1ffffffff1d15cbd
R10: dffffc0000000000 R11: fffffbfff1d15cbe R12: dffffc0000000000
R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff815ec0c0
 do_balance_callbacks kernel/sched/core.c:5024 [inline]
 __balance_callbacks+0x103/0x190 kernel/sched/core.c:5078
 __schedule+0x17fd/0x4660 kernel/sched/core.c:6703
 schedule_idle+0x4e/0x80 kernel/sched/core.c:6802
 do_idle+0x55c/0x5c0 kernel/sched/idle.c:331
 cpu_startup_entry+0x43/0x60 kernel/sched/idle.c:401
 rest_init+0x2e2/0x300 init/main.c:744
 arch_call_rest_init+0xe/0x10 init/main.c:840
 start_kernel+0x459/0x4e0 init/main.c:1085
 x86_64_start_reservations+0x2a/0x30 arch/x86/kernel/head64.c:555
 x86_64_start_kernel+0x60/0x60 arch/x86/kernel/head64.c:536
 secondary_startup_64_no_verify+0x179/0x17b
 </TASK>
----------------
Code disassembly (best guess):
   0:	c2 40 7d             	ret    $0x7d40
   3:	ca 8a e8             	lret   $0xe88a
   6:	a6                   	cmpsb  %es:(%rdi),%ds:(%rsi)
   7:	f6 09 00             	testb  $0x0,(%rcx)
   a:	4c 89 b4 24 88 00 00 	mov    %r14,0x88(%rsp)
  11:	00
  12:	e9 60 0e 00 00       	jmp    0xe77
  17:	4c 89 f7             	mov    %r14,%rdi
  1a:	e8 21 c2 2e 09       	call   0x92ec240
  1f:	e8 0c 92 2e 00       	call   0x2e9230
  24:	fb                   	sti
  25:	4c 8b 74 24 40       	mov    0x40(%rsp),%r14
* 2a:	41 83 fe 08          	cmp    $0x8,%r14d <-- trapping instruction
  2e:	0f 83 2a 0e 00 00    	jae    0xe5e
  34:	4e 8d 3c f5 30 aa a7 	lea    -0x735855d0(,%r14,8),%r15
  3b:	8c
  3c:	4c 89 f8             	mov    %r15,%rax
  3f:	48                   	rex.W