------------[ cut here ]------------
WARNING: CPU: 1 PID: 6037 at net/mac80211/tx.c:5031 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5031 [inline]
WARNING: CPU: 1 PID: 6037 at net/mac80211/tx.c:5031 __ieee80211_beacon_get+0x1233/0x1600 net/mac80211/tx.c:5442
Modules linked in:
CPU: 1 PID: 6037 Comm: syz.0.49 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5031 [inline]
RIP: 0010:__ieee80211_beacon_get+0x1233/0x1600 net/mac80211/tx.c:5442
Code: 24 4c 89 e7 e8 ce 2c c2 f7 45 31 f6 4c 8b bc 24 a0 00 00 00 e9 7a fe ff ff e8 09 73 84 f7 0f 0b e9 f6 f7 ff ff e8 fd 72 84 f7 <0f> 0b e9 48 fb ff ff e8 f1 72 84 f7 48 c7 c7 60 52 64 8e 4c 89 e6
RSP: 0000:ffffc90004c7f958 EFLAGS: 00010246
RAX: ffffffff8a02a213 RBX: ffffffff8a029016 RCX: ffff8880285cda00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff8880285cda00 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: ffff88805da563c0
R13: dffffc0000000000 R14: ffff88805da568b0 R15: ffff888030a84824
FS:  0000555591c97500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2d609ff8 CR3: 0000000030755000 CR4: 00000000003526e0
Call Trace:
 <TASK>
 ieee80211_beacon_get_tim+0xbf/0x580 net/mac80211/tx.c:5569
 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:1750 [inline]
 __hrtimer_run_queues+0x52a/0xc40 kernel/time/hrtimer.c:1814
 hrtimer_run_softirq+0x187/0x2b0 kernel/time/hrtimer.c:1831
 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+0x56/0xc0 arch/x86/kernel/apic/apic.c:1088
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0033:0x7fc2f0c50783
Code: 00 00 00 0f 1f 40 00 41 89 fb 44 8d 56 04 4c 8d 0d 92 18 3b 00 89 f0 4c 8d 05 89 f8 3a 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 01 44 39 d0
RSP: 002b:00007ffc1e3819b8 EFLAGS: 00000206
RAX: 0000000088758f99 RBX: ffffffff88758f99 RCX: ffffffff88758f99
RDX: 0000000000000f99 RSI: ffffffff88758f99 RDI: 000000000000000a
RBP: 0000000000000000 R08: 00007fc2f1000000 R09: 00007fc2f1002000
R10: 0000000088758f9d R11: 000000000000000a R12: 00007fc2f1016128
R13: 0000000000003560 R14: ffffffff8875886c R15: 00007fc2f1b45720
 </TASK>