------------[ cut here ]------------
WARNING: CPU: 1 PID: 4739 at net/mac80211/tx.c:4859 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4859 [inline]
WARNING: CPU: 1 PID: 4739 at net/mac80211/tx.c:4859 __ieee80211_beacon_get+0x179f/0x2000 net/mac80211/tx.c:5083
Modules linked in:
CPU: 1 PID: 4739 Comm: syz.1.95 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4859 [inline]
RIP: 0010:__ieee80211_beacon_get+0x179f/0x2000 net/mac80211/tx.c:5083
Code: 2a f8 0f 0b 4f 89 64 2f 04 4f 89 64 2f 0c 43 c6 44 2f 14 f8 e9 19 fe ff ff e8 0d c0 2a f8 0f 0b e9 03 ef ff ff e8 01 c0 2a f8 <0f> 0b e9 76 f2 ff ff e8 15 89 6d 00 89 d9 80 e1 07 80 c1 03 38 c1
RSP: 0000:ffffc90003a2f840 EFLAGS: 00010246
RAX: ffffffff894e5f9f RBX: ffff88805e05a298 RCX: ffff888028645940
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90003a2fa68 R08: ffff888028645940 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: ffff888077266000
R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff92000745f18
FS:  000055557f5b3500(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c25e380 CR3: 0000000079bb8000 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+0x4eb/0xb70 kernel/time/hrtimer.c:1749
 hrtimer_run_softirq+0x176/0x240 kernel/time/hrtimer.c:1766
 handle_softirqs+0x339/0x830 kernel/softirq.c:576
 __do_softirq kernel/softirq.c:610 [inline]
 invoke_softirq kernel/softirq.c:450 [inline]
 __irq_exit_rcu+0x13b/0x230 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: 0033:0x7f39d98be665
Code: 0f 84 0f 01 00 00 48 83 c0 01 48 83 f8 04 75 ec 31 f6 80 7c 24 0e 00 74 70 40 88 74 24 0e 8b 7c 24 08 48 89 de e8 bb 00 fe ff <84> c0 75 5b 80 7c 24 0f 00 75 0d 80 3d 11 2a 3a 00 00 0f 85 a3 01
RSP: 002b:00007ffd422d9e30 EFLAGS: 00000246
RAX: 0000000000000001 RBX: ffffffff819e77c9 RCX: ffffffff819e77c9
RDX: 00000000000017c9 RSI: ffffffff819e77c9 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007f39d9c4f000 R09: 00007f39d9c51000
R10: 00000000819e77cd R11: 0000000000000003 R12: 00007f39d9c65038
R13: 000000000003f45b R14: ffffffff819e7cfe R15: 00007f39da794720
 </TASK>