usb 1-1: New USB device found, idVendor=045e, idProduct=0927, bcdDevice=89.4f usb 1-1: New USB device strings: Mfr=0, Product=4, SerialNumber=0 usb 1-1: Product: syz usb 1-1: config 0 descriptor?? ------------[ cut here ]------------ WARNING: CPU: 1 PID: 9728 at drivers/net/usb/r8152.c:8138 rtl_vendor_mode drivers/net/usb/r8152.c:8138 [inline] WARNING: CPU: 1 PID: 9728 at drivers/net/usb/r8152.c:8138 rtl8152_probe+0x248/0x3050 drivers/net/usb/r8152.c:9381 Modules linked in: CPU: 1 PID: 9728 Comm: kworker/1:7 Not tainted 5.13.0-rc2-next-20210518-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: usb_hub_wq hub_event RIP: 0010:rtl_vendor_mode drivers/net/usb/r8152.c:8138 [inline] RIP: 0010:rtl8152_probe+0x248/0x3050 drivers/net/usb/r8152.c:9381 Code: c3 a8 02 00 00 89 ee e8 76 0d 42 fc 41 39 ed 0f 85 40 ff ff ff e8 38 05 42 fc 44 89 ee 44 89 ef e8 5d 0d 42 fc e8 28 05 42 fc <0f> 0b 41 bc ed ff ff ff e8 1b 05 42 fc 44 89 e0 48 83 c4 40 5b 5d RSP: 0018:ffffc9001601f178 EFLAGS: 00010216 RAX: 000000000001f7a6 RBX: ffff8880307fbaa8 RCX: ffffc90016bb2000 RDX: 0000000000040000 RSI: ffffffff8533cea8 RDI: 0000000000000003 RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000002 R10: ffffffff8533cea3 R11: 00000000ffffffff R12: dffffc0000000000 R13: 0000000000000001 R14: ffff888029c4d0a8 R15: 0000000000000002 FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2c821000 CR3: 000000001c911000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: usb_probe_interface+0x315/0x7f0 drivers/usb/core/driver.c:396 really_probe+0x291/0xf60 drivers/base/dd.c:576 driver_probe_device+0x298/0x410 drivers/base/dd.c:763 __device_attach_driver+0x203/0x2c0 drivers/base/dd.c:870 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:431 __device_attach+0x228/0x4a0 drivers/base/dd.c:938 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491 device_add+0xbe0/0x2100 drivers/base/core.c:3320 usb_set_configuration+0x113f/0x1910 drivers/usb/core/message.c:2164 usb_generic_driver_probe+0xba/0x100 drivers/usb/core/generic.c:238 usb_probe_device+0xd9/0x2c0 drivers/usb/core/driver.c:293 really_probe+0x291/0xf60 drivers/base/dd.c:576 driver_probe_device+0x298/0x410 drivers/base/dd.c:763 __device_attach_driver+0x203/0x2c0 drivers/base/dd.c:870 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:431 __device_attach+0x228/0x4a0 drivers/base/dd.c:938 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491 device_add+0xbe0/0x2100 drivers/base/core.c:3320 usb_new_device.cold+0x721/0x1058 drivers/usb/core/hub.c:2556 hub_port_connect drivers/usb/core/hub.c:5276 [inline] hub_port_connect_change drivers/usb/core/hub.c:5416 [inline] port_event drivers/usb/core/hub.c:5562 [inline] hub_event+0x2357/0x4330 drivers/usb/core/hub.c:5644 process_one_work+0x98d/0x1600 kernel/workqueue.c:2275 worker_thread+0x64c/0x1120 kernel/workqueue.c:2421 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294