------------[ cut here ]------------
WARNING: CPU: 1 PID: 0 at net/mac80211/tx.c:4944 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4944 [inline]
WARNING: CPU: 1 PID: 0 at net/mac80211/tx.c:4944 __ieee80211_beacon_get+0x1952/0x1f50 net/mac80211/tx.c:5265
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 08/18/2025
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4944 [inline]
RIP: 0010:__ieee80211_beacon_get+0x1952/0x1f50 net/mac80211/tx.c:5265
Code: ff ff ff e8 30 36 e4 f7 0f 0b 48 8b 7c 24 20 e8 d4 a4 7f fe e9 dd e9 ff ff e8 1a 36 e4 f7 0f 0b e9 f1 ee ff ff e8 0e 36 e4 f7 <0f> 0b e9 61 f2 ff ff e8 02 36 e4 f7 48 c7 c7 f0 7e fa 8d 4c 89 f6
vkms_vblank_simulate: vblank timer overrun
RSP: 0018:ffffc900001e08a0 EFLAGS: 00010246
RAX: ffffffff899c9a82 RBX: 0000000000000000 RCX: ffff888017739dc0
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900001e0aa8 R08: ffff888017739dc0 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: 1ffff9200003c12c
R13: dffffc0000000000 R14: ffff888027c1e258 R15: ffff888027c27400
FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4d6bac9f98 CR3: 000000006300b000 CR4: 00000000003526e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
ieee80211_beacon_get_tim+0x5b/0x4d0 net/mac80211/tx.c:5352
ieee80211_beacon_get include/net/mac80211.h:5264 [inline]
mac80211_hwsim_beacon_tx+0x21c/0xae0 drivers/net/wireless/mac80211_hwsim.c:2091
__iterate_interfaces+0x243/0x500 net/mac80211/util.c:788
ieee80211_iterate_active_interfaces_atomic+0xd7/0x170 net/mac80211/util.c:824
mac80211_hwsim_beacon+0xb7/0x1b0 drivers/net/wireless/mac80211_hwsim.c:2147
__run_hrtimer kernel/time/hrtimer.c:1752 [inline]
__hrtimer_run_queues+0x554/0xd60 kernel/time/hrtimer.c:1816
hrtimer_run_softirq+0x183/0x2a0 kernel/time/hrtimer.c:1833
handle_softirqs+0x2a1/0x920 kernel/softirq.c:596
__do_softirq kernel/softirq.c:630 [inline]
invoke_softirq kernel/softirq.c:470 [inline]
__irq_exit_rcu+0x12f/0x220 kernel/softirq.c:679
irq_exit_rcu+0x5/0x20 kernel/softirq.c:691
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1118
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:tick_nohz_idle_exit+0x416/0x540 kernel/time/tick-sched.c:1373
Code: fb e8 fe 43 eb ff 45 84 ff 0f 85 f6 fd ff ff e8 80 2b 0c 00 eb 05 e8 79 2b 0c 00 e8 94 87 12 00 fb 48 c7 44 24 40 0e 36 e0 45 <48> 8b 44 24 38 4a c7 04 20 00 00 00 00 65 48 8b 04 25 28 00 00 00
RSP: 0018:ffffc90000177d20 EFLAGS: 00000282
RAX: 07465bb5ae828700 RBX: ffff8880b8f2aec0 RCX: 07465bb5ae828700
RDX: dffffc0000000000 RSI: ffffffff8a8c0500 RDI: ffffffff8adefca0
RBP: ffffc90000177df0 R08: dffffc0000000000 R09: ffffed10171e76ae
R10: ffffed10171e76ae R11: 1ffff110171e76ad R12: dffffc0000000000
R13: ffff8880b8f2af0c R14: 1ffff110171e55e1 R15: 0000000000000000
do_idle+0x508/0x570 kernel/sched/idle.c:316
cpu_startup_entry+0x3f/0x60 kernel/sched/idle.c:401
start_secondary+0xe4/0xf0 arch/x86/kernel/smpboot.c:281
secondary_startup_64_no_verify+0xcf/0xdb
----------------
Code disassembly (best guess):
0: fb sti
1: e8 fe 43 eb ff call 0xffeb4404
6: 45 84 ff test %r15b,%r15b
9: 0f 85 f6 fd ff ff jne 0xfffffe05
f: e8 80 2b 0c 00 call 0xc2b94
14: eb 05 jmp 0x1b
16: e8 79 2b 0c 00 call 0xc2b94
1b: e8 94 87 12 00 call 0x1287b4
20: fb sti
21: 48 c7 44 24 40 0e 36 movq $0x45e0360e,0x40(%rsp)
28: e0 45
* 2a: 48 8b 44 24 38 mov 0x38(%rsp),%rax <-- trapping instruction
2f: 4a c7 04 20 00 00 00 movq $0x0,(%rax,%r12,1)
36: 00
37: 65 48 8b 04 25 28 00 mov %gs:0x28,%rax
3e: 00 00