------------[ cut here ]------------ WARNING: CPU: 1 PID: 8975 at net/mac80211/tx.c:5031 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5031 [inline] WARNING: CPU: 1 PID: 8975 at net/mac80211/tx.c:5031 __ieee80211_beacon_get+0x1233/0x1600 net/mac80211/tx.c:5442 Modules linked in: CPU: 1 PID: 8975 Comm: syz.2.639 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 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 9e cc d3 f7 45 31 f6 4c 8b bc 24 a0 00 00 00 e9 7a fe ff ff e8 c9 a3 96 f7 0f 0b e9 f6 f7 ff ff e8 bd a3 96 f7 <0f> 0b e9 48 fb ff ff e8 b1 a3 96 f7 48 c7 c7 60 07 24 8e 4c 89 e6 RSP: 0000:ffffc90004a8f958 EFLAGS: 00010246 RAX: ffffffff89eeebd3 RBX: ffffffff89eed9d6 RCX: ffff8880231ada00 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffff8880231ada00 R09: 0000000000000003 R10: 0000000000000007 R11: 0000000000000100 R12: ffff88805d7e23c0 R13: dffffc0000000000 R14: ffff88805d7e28b0 R15: ffff88805dfb2824 FS: 0000555569ae5500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2e91dff8 CR3: 000000005f977000 CR4: 00000000003506e0 Call Trace: ieee80211_beacon_get_tim+0xb8/0x560 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+0x51e/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+0xc7/0x190 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: 0033:0x7fa831068343 Code: 1f 84 00 00 00 00 00 48 8b 70 f8 48 83 e8 08 48 39 f2 72 f3 48 39 c3 73 3e 48 89 33 48 83 c3 08 48 8b 70 f8 48 89 08 48 8b 0b <49> 8b 14 24 eb bf 48 39 f2 72 97 48 39 f0 73 46 49 89 34 24 48 89 RSP: 002b:00007ffc8b213820 EFLAGS: 00000212 RAX: 00007fa830f0a610 RBX: 00007fa830f09120 RCX: ffffffff81c86d83 RDX: ffffffff81c86d83 RSI: ffffffff81c86def RDI: 00007fa830f0ac28 RBP: 00007fa830f08ed8 R08: 00007fa830f09d78 R09: 00007fa8313d2000 R10: 00007fa830bff008 R11: 000000000000000f R12: 00007fa830f08ed0 R13: 0000000000000015 R14: 00007ffc8b213a98 R15: 00007fa830bff008