------------[ 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+0x1233/0x1600 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+0x1233/0x1600 net/mac80211/tx.c:5444
Code: 24 4c 89 e7 e8 ae a6 be f7 45 31 f6 4c 8b bc 24 a0 00 00 00 e9 7a fe ff ff e8 b9 db 80 f7 0f 0b e9 f6 f7 ff ff e8 ad db 80 f7 <0f> 0b e9 48 fb ff ff e8 a1 db 80 f7 48 c7 c7 a0 d0 64 8e 4c 89 e6
RSP: 0018:ffffc90000007a18 EFLAGS: 00010246

RAX: ffffffff8a064fe3 RBX: ffffffff8a063de6 RCX: ffffffff8ce93440
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff8ce93440 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: ffff88805a8fe440
R13: dffffc0000000000 R14: ffff88805a8fe930 R15: ffff88802fbd1024
FS:  0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f515b3ea540 CR3: 0000000075252000 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+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:1754 [inline]
 __hrtimer_run_queues+0x520/0xc40 kernel/time/hrtimer.c:1818
 hrtimer_run_softirq+0x187/0x2b0 kernel/time/hrtimer.c:1835
 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:pv_native_safe_halt+0xf/0x10 arch/x86/kernel/paravirt.c:148
Code: 88 1f 02 c3 cc cc cc cc cc cc cc f3 0f 1e fa 0f 0b 66 2e 0f 1f 84 00 00 00 00 00 f3 0f 1e fa 66 90 0f 00 2d 43 e4 3f 00 fb f4 <c3> 66 0f 1f 00 55 41 57 41 56 41 54 53 50 8b 2f eb 2e 41 89 de 80
RSP: 0018:ffffffff8ce07d80 EFLAGS: 000002c2
RAX: fcfde87b11d8f200 RBX: ffffffff8162af3d RCX: fcfde87b11d8f200
RDX: 0000000000000001 RSI: ffffffff8acacbe0 RDI: ffffffff8b1c9c20
RBP: ffffffff8ce07eb8 R08: ffff8880b8e36bab R09: 1ffff110171c6d75
R10: dffffc0000000000 R11: ffffed10171c6d76 R12: 1ffffffff19c0fbc
R13: dffffc0000000000 R14: 1ffffffff19d2688 R15: 0000000000000000
 arch_safe_halt arch/x86/include/asm/paravirt.h:108 [inline]
 default_idle+0x13/0x20 arch/x86/kernel/process.c:753
 default_idle_call+0x6c/0xa0 kernel/sched/idle.c:97
 cpuidle_idle_call kernel/sched/idle.c:178 [inline]
 do_idle+0x33d/0x590 kernel/sched/idle.c:302
 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:	88 1f                	mov    %bl,(%rdi)
   2:	02 c3                	add    %bl,%al
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	cc                   	int3
   9:	cc                   	int3
   a:	cc                   	int3
   b:	f3 0f 1e fa          	endbr64
   f:	0f 0b                	ud2
  11:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  18:	00 00 00
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d 43 e4 3f 00 	verw   0x3fe443(%rip)        # 0x3fe46b
  28:	fb                   	sti
  29:	f4                   	hlt
* 2a:	c3                   	ret <-- trapping instruction
  2b:	66 0f 1f 00          	nopw   (%rax)
  2f:	55                   	push   %rbp
  30:	41 57                	push   %r15
  32:	41 56                	push   %r14
  34:	41 54                	push   %r12
  36:	53                   	push   %rbx
  37:	50                   	push   %rax
  38:	8b 2f                	mov    (%rdi),%ebp
  3a:	eb 2e                	jmp    0x6a
  3c:	41 89 de             	mov    %ebx,%r14d
  3f:	80                   	.byte 0x80