------------[ cut here ]------------ WARNING: CPU: 0 PID: 1108 at net/mac80211/tx.c:4859 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4859 [inline] WARNING: CPU: 0 PID: 1108 at net/mac80211/tx.c:4859 __ieee80211_beacon_get+0x179f/0x2000 net/mac80211/tx.c:5083 Modules linked in: CPU: 0 PID: 1108 Comm: kworker/0:2 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 Workqueue: usb_hub_wq hub_event 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 4b 2a f8 0f 0b e9 03 ef ff ff e8 01 4b 2a f8 <0f> 0b e9 76 f2 ff ff e8 a5 92 6d 00 89 d9 80 e1 07 80 c1 03 38 c1 RSP: 0018:ffffc900000078e0 EFLAGS: 00010246 RAX: ffffffff894ed60f RBX: ffff88806730e268 RCX: ffff8880214c9dc0 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90000007b08 R08: ffff8880214c9dc0 R09: 0000000000000003 R10: 0000000000000007 R11: 0000000000000100 R12: ffff8880615c7a00 R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff92000000f2c FS: 0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055f7c77a1550 CR3: 00000000574e8000 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: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+0x4f2/0xb70 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+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1108 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676 RIP: 0010:console_unlock+0xcad/0x1120 kernel/printk/printk.c:2749 Code: 75 11 e8 36 da 18 00 4d 85 ff 75 16 e8 2c da 18 00 eb 15 e8 25 da 18 00 e8 e0 21 5c 08 4d 85 ff 74 ea e8 16 da 18 00 fb 31 ff <89> de e8 6c dd 18 00 85 db 0f 94 c0 22 44 24 17 3c 01 75 1f e8 fa RSP: 0018:ffffc90004db6800 EFLAGS: 00000246 RAX: ffffffff816046fa RBX: 0000000000000000 RCX: 0000000000100000 RDX: ffffc9000e519000 RSI: 000000000001949d RDI: 0000000000000000 RBP: ffffc90004db6a70 R08: ffffffff901d40c7 R09: 1ffffffff203a818 R10: dffffc0000000000 R11: fffffbfff203a819 R12: 1ffffffff198d6fd R13: 0000000000000050 R14: 0000000000000000 R15: 0000000000000200 vprintk_emit+0xc0/0x150 kernel/printk/printk.c:2274 dev_vprintk_emit+0x2e1/0x380 drivers/base/core.c:4638 dev_printk_emit+0xeb/0x140 drivers/base/core.c:4649 _dev_err+0x11b/0x170 drivers/base/core.c:4704 atusb_probe+0x1155/0x2690 drivers/net/ieee802154/atusb.c:1065 usb_probe_interface+0x5c5/0xb20 drivers/usb/core/driver.c:396 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x284/0xc80 drivers/base/dd.c:595 __driver_probe_device+0x18c/0x330 drivers/base/dd.c:755 driver_probe_device+0x4f/0x420 drivers/base/dd.c:785 __device_attach_driver+0x2b0/0x500 drivers/base/dd.c:907 bus_for_each_drv+0x184/0x210 drivers/base/bus.c:429 __device_attach+0x2a8/0x480 drivers/base/dd.c:979 bus_probe_device+0xbc/0x1e0 drivers/base/bus.c:489 device_add+0xa00/0xfb0 drivers/base/core.c:3412 usb_set_configuration+0x1991/0x1fd0 drivers/usb/core/message.c:2165 usb_generic_driver_probe+0x89/0x150 drivers/usb/core/generic.c:238 usb_probe_device+0x139/0x270 drivers/usb/core/driver.c:293 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x284/0xc80 drivers/base/dd.c:595 __driver_probe_device+0x18c/0x330 drivers/base/dd.c:755 driver_probe_device+0x4f/0x420 drivers/base/dd.c:785 __device_attach_driver+0x2b0/0x500 drivers/base/dd.c:907 bus_for_each_drv+0x184/0x210 drivers/base/bus.c:429 __device_attach+0x2a8/0x480 drivers/base/dd.c:979 bus_probe_device+0xbc/0x1e0 drivers/base/bus.c:489 device_add+0xa00/0xfb0 drivers/base/core.c:3412 usb_new_device+0xd65/0x1660 drivers/usb/core/hub.c:2632 hub_port_connect drivers/usb/core/hub.c:5497 [inline] hub_port_connect_change drivers/usb/core/hub.c:5637 [inline] port_event drivers/usb/core/hub.c:5799 [inline] hub_event+0x2e4a/0x55e0 drivers/usb/core/hub.c:5881 process_one_work+0x85f/0x1010 kernel/workqueue.c:2310 worker_thread+0xaa6/0x1290 kernel/workqueue.c:2457 kthread+0x436/0x520 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 ---------------- Code disassembly (best guess): 0: 75 11 jne 0x13 2: e8 36 da 18 00 call 0x18da3d 7: 4d 85 ff test %r15,%r15 a: 75 16 jne 0x22 c: e8 2c da 18 00 call 0x18da3d 11: eb 15 jmp 0x28 13: e8 25 da 18 00 call 0x18da3d 18: e8 e0 21 5c 08 call 0x85c21fd 1d: 4d 85 ff test %r15,%r15 20: 74 ea je 0xc 22: e8 16 da 18 00 call 0x18da3d 27: fb sti 28: 31 ff xor %edi,%edi * 2a: 89 de mov %ebx,%esi <-- trapping instruction 2c: e8 6c dd 18 00 call 0x18dd9d 31: 85 db test %ebx,%ebx 33: 0f 94 c0 sete %al 36: 22 44 24 17 and 0x17(%rsp),%al 3a: 3c 01 cmp $0x1,%al 3c: 75 1f jne 0x5d 3e: e8 .byte 0xe8 3f: fa cli