------------[ cut here ]------------ WARNING: CPU: 1 PID: 6217 at net/mac80211/tx.c:5048 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5048 [inline] WARNING: CPU: 1 PID: 6217 at net/mac80211/tx.c:5048 __ieee80211_beacon_get+0x1141/0x1520 net/mac80211/tx.c:5459 Modules linked in: CPU: 1 PID: 6217 Comm: syz.2.89 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5048 [inline] RIP: 0010:__ieee80211_beacon_get+0x1141/0x1520 net/mac80211/tx.c:5459 Code: f7 4c 89 ef e8 70 5b ba f7 45 31 ed 4c 8b bc 24 a0 00 00 00 e9 7f fe ff ff e8 ab 6f 7c f7 0f 0b e9 61 f8 ff ff e8 9f 6f 7c f7 <0f> 0b e9 85 fb ff ff e8 93 6f 7c f7 48 c7 c7 60 bd 65 8e 4c 89 e6 RSP: 0000:ffffc9000532f958 EFLAGS: 00010246 RAX: ffffffff8a0b01e1 RBX: dffffc0000000000 RCX: ffff888026bd3c00 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffff888026bd3c00 R09: 0000000000000003 R10: 0000000000000007 R11: 0000000000000100 R12: ffff88805d10a440 R13: ffff888024f03824 R14: ffff88805d10a930 R15: ffff888024f03800 FS: 000055555f24b500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c2ed84f CR3: 0000000067ce9000 CR4: 00000000003506e0 Call Trace: ieee80211_beacon_get_tim+0xbf/0x580 net/mac80211/tx.c:5586 ieee80211_beacon_get include/net/mac80211.h:5440 [inline] mac80211_hwsim_beacon_tx+0x3bd/0x770 drivers/net/wireless/virtual/mac80211_hwsim.c:2265 __iterate_interfaces+0x225/0x4c0 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:1754 [inline] __hrtimer_run_queues+0x525/0xc10 kernel/time/hrtimer.c:1818 hrtimer_run_softirq+0x177/0x290 kernel/time/hrtimer.c:1835 handle_softirqs+0x27d/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: 0033:0x7f8433c72685 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 1b f1 fd ff <84> c0 75 5b 80 7c 24 0f 00 75 0d 80 3d f1 f9 3a 00 00 0f 85 a3 01 RSP: 002b:00007ffe7eaf1340 EFLAGS: 00000246 RAX: 0000000000000001 RBX: ffffffff8a7fac91 RCX: ffffffff8a7fac91 RDX: 0000000000000c91 RSI: ffffffff8a7fac91 RDI: 0000000000000005 RBP: 0000000000000000 R08: 00007f8434010000 R09: 00007f8434012000 R10: 000000008a7fac95 R11: 0000000000000005 R12: 00007f8434026038 R13: 000000000001a4e5 R14: ffffffff8a7fa8b2 R15: 00007f8434b55720