------------[ cut here ]------------
WARNING: CPU: 1 PID: 11947 at net/mac80211/tx.c:4859 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4859 [inline]
WARNING: CPU: 1 PID: 11947 at net/mac80211/tx.c:4859 __ieee80211_beacon_get+0x172c/0x1f80 net/mac80211/tx.c:5083
Modules linked in:
CPU: 1 PID: 11947 Comm: syz.1.1489 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:4859 [inline]
RIP: 0010:__ieee80211_beacon_get+0x172c/0x1f80 net/mac80211/tx.c:5083
Code: f8 0f 0b e9 f1 fa ff ff e8 81 83 3a f8 0f 0b 4c 8b 74 24 08 e9 36 fe ff ff e8 70 83 3a f8 0f 0b e9 3c ef ff ff e8 64 83 3a f8 <0f> 0b e9 b8 f2 ff ff e8 88 e7 6b 00 44 89 e1 80 e1 07 80 c1 03 38
RSP: 0000:ffffc90002e1f820 EFLAGS: 00010246
RAX: ffffffff893d46ec RBX: ffff888061394c80 RCX: ffff88802adf9dc0
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90002e1fa48 R08: ffff88802adf9dc0 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: ffff888066e99e00
R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff920005c3f14
FS:  0000555573f00500(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c3e2987 CR3: 000000007b509000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ieee80211_beacon_get_tim+0x48/0x840 net/mac80211/tx.c:5202
 ieee80211_beacon_get include/net/mac80211.h:4983 [inline]
 mac80211_hwsim_beacon_tx+0xf4/0x920 drivers/net/wireless/mac80211_hwsim.c:1812
 __iterate_interfaces+0x243/0x500 net/mac80211/util.c:793
 ieee80211_iterate_active_interfaces_atomic+0xb3/0x140 net/mac80211/util.c:829
 mac80211_hwsim_beacon+0x9b/0x180 drivers/net/wireless/mac80211_hwsim.c:1865
 __run_hrtimer kernel/time/hrtimer.c:1685 [inline]
 __hrtimer_run_queues+0x53d/0xc40 kernel/time/hrtimer.c:1749
 hrtimer_run_softirq+0x176/0x240 kernel/time/hrtimer.c:1766
 handle_softirqs+0x328/0x820 kernel/softirq.c:576
 __do_softirq kernel/softirq.c:610 [inline]
 invoke_softirq kernel/softirq.c:450 [inline]
 __irq_exit_rcu+0x12f/0x220 kernel/softirq.c:659
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:671
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
 sysvec_apic_timer_interrupt+0x52/0xc0 arch/x86/kernel/apic/apic.c:1108
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0033:0x7ffb3131bd66
Code: 89 fb 48 89 d0 49 8d 14 d2 49 39 50 28 0f 82 b5 03 00 00 c6 44 24 1e 01 45 31 ff 45 31 f6 44 0f b6 e6 85 c0 0f 84 9e 00 00 00 <44> 89 f9 49 8b 50 40 4c 89 f0 49 03 14 ca 80 3d 2d 90 37 00 00 49
RSP: 002b:00007ffeeccb1110 EFLAGS: 00000293
RAX: 0000000000000001 RBX: 00007ffb321c2720 RCX: ffffffff817de0a5
RDX: 00000000000000a5 RSI: ffffffff817de0a5 RDI: 000000000000000c
RBP: ffffffff817de0a5 R08: 00007ffb31693038 R09: 00007ffb3167f000
R10: 00007ffb30eac008 R11: 000000000000000c R12: 000000000000000c
R13: 0000000000000000 R14: ffffffff817decaa R15: 0000000000015082
 </TASK>