------------[ cut here ]------------ addr 207 out of range WARNING: drivers/net/phy/mdio_bus.c:76 at 0x0, CPU#0: kworker/0:4/5798 Modules linked in: CPU: 0 UID: 0 PID: 5798 Comm: kworker/0:4 Not tainted syzkaller #0 PREEMPT(voluntary) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 Workqueue: usb_hub_wq hub_event RIP: 0010:mdiobus_find_device drivers/net/phy/mdio_bus.c:76 [inline] RIP: 0010:mdiobus_get_phy+0xca/0x110 drivers/net/phy/mdio_bus.c:86 Code: e5 01 89 ee e8 b7 0e c6 fd 85 ed 74 22 e8 0e 14 c6 fd 48 89 d8 5b 5d e9 c4 dc 9f 03 e8 ff 13 c6 fd 48 8d 3d 58 d6 ef 06 89 de <67> 48 0f b9 3a e8 ec 13 c6 fd 31 db 48 89 d8 5b 5d c3 cc cc cc cc RSP: 0018:ffffc900021dee38 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 00000000000000cf RCX: ffffffff83b9d87d RDX: ffff888120b51d40 RSI: 00000000000000cf RDI: ffffffff8aa9af80 RBP: ffff8881306fc000 R08: 0000000000000005 R09: 000000000000001f R10: 00000000000000cf R11: ffffffffffffffff R12: ffff88811f3e0828 R13: 1ffff9200043bdcf R14: ffff88811f3e0860 R15: ffff88811f3e0828 FS: 0000000000000000(0000) GS:ffff888268bf5000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd770349e9c CR3: 00000000090a6000 CR4: 00000000003506f0 Call Trace: ax88772_init_phy drivers/net/usb/asix_devices.c:722 [inline] ax88772_bind+0xa96/0x14f0 drivers/net/usb/asix_devices.c:937 usbnet_probe+0xba8/0x28c0 drivers/net/usb/usbnet.c:1802 usb_probe_interface+0x303/0xa80 drivers/usb/core/driver.c:396 call_driver_probe drivers/base/dd.c:581 [inline] really_probe+0x241/0xb20 drivers/base/dd.c:659 __driver_probe_device+0x1de/0x470 drivers/base/dd.c:801 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:831 __device_attach_driver+0x1df/0x350 drivers/base/dd.c:959 bus_for_each_drv+0x159/0x1e0 drivers/base/bus.c:500 __device_attach+0x1e4/0x4e0 drivers/base/dd.c:1031 device_initial_probe+0xaa/0xc0 drivers/base/dd.c:1086 bus_probe_device+0x64/0x150 drivers/base/bus.c:574 device_add+0x116e/0x1980 drivers/base/core.c:3689 usb_set_configuration+0x1187/0x1e50 drivers/usb/core/message.c:2210 usb_generic_driver_probe+0xb1/0x110 drivers/usb/core/generic.c:250 usb_probe_device+0xef/0x400 drivers/usb/core/driver.c:291 call_driver_probe drivers/base/dd.c:581 [inline] really_probe+0x241/0xb20 drivers/base/dd.c:659 __driver_probe_device+0x1de/0x470 drivers/base/dd.c:801 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:831 __device_attach_driver+0x1df/0x350 drivers/base/dd.c:959 bus_for_each_drv+0x159/0x1e0 drivers/base/bus.c:500 __device_attach+0x1e4/0x4e0 drivers/base/dd.c:1031 device_initial_probe+0xaa/0xc0 drivers/base/dd.c:1086 bus_probe_device+0x64/0x150 drivers/base/bus.c:574 device_add+0x116e/0x1980 drivers/base/core.c:3689 usb_new_device+0xd07/0x1a90 drivers/usb/core/hub.c:2695 hub_port_connect drivers/usb/core/hub.c:5567 [inline] hub_port_connect_change drivers/usb/core/hub.c:5707 [inline] port_event drivers/usb/core/hub.c:5871 [inline] hub_event+0x31bf/0x5420 drivers/usb/core/hub.c:5953 process_one_work+0x9ba/0x1b20 kernel/workqueue.c:3257 process_scheduled_works kernel/workqueue.c:3340 [inline] worker_thread+0x6c8/0xf10 kernel/workqueue.c:3421 kthread+0x3c5/0x780 kernel/kthread.c:463 ret_from_fork+0x74f/0xa30 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246 ---------------- Code disassembly (best guess): 0: e5 01 in $0x1,%eax 2: 89 ee mov %ebp,%esi 4: e8 b7 0e c6 fd call 0xfdc60ec0 9: 85 ed test %ebp,%ebp b: 74 22 je 0x2f d: e8 0e 14 c6 fd call 0xfdc61420 12: 48 89 d8 mov %rbx,%rax 15: 5b pop %rbx 16: 5d pop %rbp 17: e9 c4 dc 9f 03 jmp 0x39fdce0 1c: e8 ff 13 c6 fd call 0xfdc61420 21: 48 8d 3d 58 d6 ef 06 lea 0x6efd658(%rip),%rdi # 0x6efd680 28: 89 de mov %ebx,%esi * 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction 2f: e8 ec 13 c6 fd call 0xfdc61420 34: 31 db xor %ebx,%ebx 36: 48 89 d8 mov %rbx,%rax 39: 5b pop %rbx 3a: 5d pop %rbp 3b: c3 ret 3c: cc int3 3d: cc int3 3e: cc int3 3f: cc int3