usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 usb 4-1: Product: syz usb 4-1: Manufacturer: syz usb 4-1: SerialNumber: syz ------------[ cut here ]------------ couldn't get idr WARNING: CPU: 1 PID: 9944 at drivers/spi/spi.c:2636 spi_register_controller+0x1bff/0x20e0 drivers/spi/spi.c:2636 Modules linked in: CPU: 1 PID: 9944 Comm: kworker/1:5 Not tainted 5.10.0-rc2-next-20201104-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: usb_hub_wq hub_event RIP: 0010:spi_register_controller+0x1bff/0x20e0 drivers/spi/spi.c:2636 Code: 08 3c 03 0f 8e 3f 04 00 00 41 81 8d 10 05 00 00 00 02 00 00 e9 01 fa ff ff e8 7d c0 da fc 48 c7 c7 e0 22 c6 89 e8 d1 42 18 04 <0f> 0b 44 89 f6 bf e4 ff ff ff e8 b2 b8 da fc 41 83 fe e4 0f 85 c9 RSP: 0018:ffffc90016477100 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000040000 RSI: ffffffff8158dc25 RDI: fffff52002c8ee12 RBP: ffff8880696c6000 R08: 0000000000000001 R09: ffff8880b9f2005b R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880696c47b8 R13: 0000000000000000 R14: 00000000ffffffe4 R15: ffff8880696c6000 FS: 0000000000000000(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b30227000 CR3: 0000000011632000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: msi2500_probe+0x78c/0xbe0 drivers/media/usb/msi2500/msi2500.c:1237 usb_probe_interface+0x315/0x7f0 drivers/usb/core/driver.c:396 really_probe+0x291/0xde0 drivers/base/dd.c:554 driver_probe_device+0x26b/0x3d0 drivers/base/dd.c:738 __device_attach_driver+0x1d1/0x290 drivers/base/dd.c:844 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:431 __device_attach+0x228/0x4a0 drivers/base/dd.c:912 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491 device_add+0xbb2/0x1ce0 drivers/base/core.c:2938 usb_set_configuration+0x1137/0x1910 drivers/usb/core/message.c:2168 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+0x291/0xde0 drivers/base/dd.c:554 driver_probe_device+0x26b/0x3d0 drivers/base/dd.c:738 __device_attach_driver+0x1d1/0x290 drivers/base/dd.c:844 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:431 __device_attach+0x228/0x4a0 drivers/base/dd.c:912 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491 device_add+0xbb2/0x1ce0 drivers/base/core.c:2938 usb_new_device.cold+0x71d/0xfe9 drivers/usb/core/hub.c:2555 hub_port_connect drivers/usb/core/hub.c:5223 [inline] hub_port_connect_change drivers/usb/core/hub.c:5363 [inline] port_event drivers/usb/core/hub.c:5509 [inline] hub_event+0x2348/0x42d0 drivers/usb/core/hub.c:5591 process_one_work+0x933/0x15a0 kernel/workqueue.c:2272 process_scheduled_works kernel/workqueue.c:2334 [inline] worker_thread+0x82b/0x1120 kernel/workqueue.c:2420 kthread+0x3af/0x4a0 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296