------------[ cut here ]------------ WARNING: CPU: 0 PID: 6156 at net/mac80211/tx.c:4851 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4851 [inline] WARNING: CPU: 0 PID: 6156 at net/mac80211/tx.c:4851 __ieee80211_beacon_get+0x172c/0x1f80 net/mac80211/tx.c:5075 Modules linked in: CPU: 0 PID: 6156 Comm: syz.3.488 Not tainted 5.15.182-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4851 [inline] RIP: 0010:__ieee80211_beacon_get+0x172c/0x1f80 net/mac80211/tx.c:5075 Code: f8 0f 0b e9 f1 fa ff ff e8 91 50 42 f8 0f 0b 4c 8b 74 24 08 e9 36 fe ff ff e8 80 50 42 f8 0f 0b e9 3c ef ff ff e8 74 50 42 f8 <0f> 0b e9 b8 f2 ff ff e8 58 bf 6b 00 44 89 e1 80 e1 07 80 c1 03 38 RSP: 0000:ffffc9000327f820 EFLAGS: 00010246 RAX: ffffffff89356d9c RBX: ffff88805dd58c80 RCX: ffff88802211bb80 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc9000327fa48 R08: ffff88802211bb80 R09: 0000000000000003 R10: 0000000000000007 R11: 0000000000000100 R12: ffff88805e958800 R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff9200064ff14 FS: 000055555f8ea500(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f907883ed58 CR3: 000000007d1e1000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ieee80211_beacon_get_tim+0x48/0x840 net/mac80211/tx.c:5194 ieee80211_beacon_get include/net/mac80211.h:4981 [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:1690 [inline] __hrtimer_run_queues+0x53d/0xc40 kernel/time/hrtimer.c:1754 hrtimer_run_softirq+0x176/0x240 kernel/time/hrtimer.c:1771 handle_softirqs+0x328/0x820 kernel/softirq.c:558 __do_softirq kernel/softirq.c:592 [inline] invoke_softirq kernel/softirq.c:432 [inline] __irq_exit_rcu+0x12f/0x220 kernel/softirq.c:641 irq_exit_rcu+0x5/0x20 kernel/softirq.c:653 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: 0033:0x7ffbd67559bf Code: 1f 84 00 00 00 00 00 0f 1f 40 00 41 89 fb 44 8d 56 04 4c 8d 0d 52 46 35 00 89 f0 4c 8d 05 49 26 35 00 89 c2 81 e2 ff 1f 00 00 <49> 8b 0c d1 48 39 f1 74 28 48 85 c9 74 29 45 38 1c 10 75 23 83 c0 RSP: 002b:00007fffe2b5f8f8 EFLAGS: 00000202 RAX: 0000000081b97462 RBX: 00007ffbd75ed720 RCX: ffffffff81c37461 RDX: 0000000000001462 RSI: ffffffff81b97461 RDI: 0000000000000010 RBP: ffffffff81b97461 R08: 00007ffbd6aa8000 R09: 00007ffbd6aaa000 R10: 0000000081b97465 R11: 0000000000000010 R12: 0000000000000010 R13: 0000000000000000 R14: ffffffff81b97f35 R15: 000000000006d92c