hid-u2fzero 0003:10C4:8ACF.0001: hidraw0: USB HID v0.00 Device [HID 10c4:8acf] on usb-dummy_hcd.0-1/input0
hid-u2fzero 0003:10C4:8ACF.0001: U2F Zero LED initialised
Unable to handle kernel paging request at virtual address dfff800000000015
Mem abort info:
  ESR = 0x0000000096000006
  EC = 0x25: DABT (current EL), IL = 32 bits
  SET = 0, FnV = 0
  EA = 0, S1PTW = 0
  FSC = 0x06: level 2 translation fault
Data abort info:
  ISV = 0, ISS = 0x00000006
  CM = 0, WnR = 0
[dfff800000000015] address between user and kernel address ranges
Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 4070 Comm: kworker/1:6 Not tainted 5.15.164-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
Workqueue: usb_hub_wq hub_event
pstate: 00400005 (nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : u2fzero_recv drivers/hid/hid-u2fzero.c:116 [inline]
pc : u2fzero_rng_read+0x1b4/0x5d4 drivers/hid/hid-u2fzero.c:202
lr : u2fzero_recv drivers/hid/hid-u2fzero.c:114 [inline]
lr : u2fzero_rng_read+0x190/0x5d4 drivers/hid/hid-u2fzero.c:202
sp : ffff80001d0d63c0
x29: ffff80001d0d6520 x28: 00000000000000a8 x27: ffff0000f5700088
x26: ffff0000f57003e0 x25: ffff0000f5700080 x24: ffff80001d0d6420
x23: ffff0000f5700320 x22: 1fffe0001eae0011 x21: 1fffe0001eae007c
x20: dfff800000000000 x19: ffff700003a1ac80 x18: ffff80001d0d5ec0
x17: 0000000000000002 x16: ffff80000824e1f4 x15: 0000000000037eb3
x14: 00000000a3176ac3 x13: dfff800000000000 x12: ffff60001a58c858
x11: 1fffe0001a58c850 x10: 0000000000000001 x9 : 0000000000000001
x8 : 0000000000000015 x7 : 0000000000000000 x6 : 0000000000000000
x5 : ffff80001799eec0 x4 : 000000000000000a x3 : 0000000000000030
x2 : 0000000000000001 x1 : 0000000000000000 x0 : ffff0000d2c64286
Call trace:
 u2fzero_recv drivers/hid/hid-u2fzero.c:116 [inline]
 u2fzero_rng_read+0x1b4/0x5d4 drivers/hid/hid-u2fzero.c:202
 rng_get_data drivers/char/hw_random/core.c:196 [inline]
 add_early_randomness+0x88/0x16c drivers/char/hw_random/core.c:74
 hwrng_register+0x420/0x4c8 drivers/char/hw_random/core.c:526
 devm_hwrng_register+0x50/0xcc drivers/char/hw_random/core.c:597
 u2fzero_init_hwrng+0x108/0x144 drivers/hid/hid-u2fzero.c:245
 u2fzero_probe+0x25c/0x2c4 drivers/hid/hid-u2fzero.c:336
 hid_device_probe+0x23c/0x338 drivers/hid/hid-core.c:2307
 really_probe+0x26c/0xaec drivers/base/dd.c:595
 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:755
 driver_probe_device+0x78/0x34c drivers/base/dd.c:785
 __device_attach_driver+0x28c/0x4d8 drivers/base/dd.c:907
 bus_for_each_drv+0x158/0x1e0 drivers/base/bus.c:427
 __device_attach+0x2f0/0x480 drivers/base/dd.c:979
 device_initial_probe+0x24/0x34 drivers/base/dd.c:1028
 bus_probe_device+0xbc/0x1c8 drivers/base/bus.c:487
 device_add+0xae0/0xef4 drivers/base/core.c:3412
 hid_add_device+0x318/0x4b4 drivers/hid/hid-core.c:2459
 usbhid_probe+0x868/0xba8 drivers/hid/usbhid/hid-core.c:1424
 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396
 really_probe+0x26c/0xaec drivers/base/dd.c:595
 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:755
 driver_probe_device+0x78/0x34c drivers/base/dd.c:785
 __device_attach_driver+0x28c/0x4d8 drivers/base/dd.c:907
 bus_for_each_drv+0x158/0x1e0 drivers/base/bus.c:427
 __device_attach+0x2f0/0x480 drivers/base/dd.c:979
 device_initial_probe+0x24/0x34 drivers/base/dd.c:1028
 bus_probe_device+0xbc/0x1c8 drivers/base/bus.c:487
 device_add+0xae0/0xef4 drivers/base/core.c:3412
 usb_set_configuration+0x15e0/0x1b60 drivers/usb/core/message.c:2165
 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238
 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293
 really_probe+0x26c/0xaec drivers/base/dd.c:595
 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:755
 driver_probe_device+0x78/0x34c drivers/base/dd.c:785
 __device_attach_driver+0x28c/0x4d8 drivers/base/dd.c:907
 bus_for_each_drv+0x158/0x1e0 drivers/base/bus.c:427
 __device_attach+0x2f0/0x480 drivers/base/dd.c:979
 device_initial_probe+0x24/0x34 drivers/base/dd.c:1028
 bus_probe_device+0xbc/0x1c8 drivers/base/bus.c:487
 device_add+0xae0/0xef4 drivers/base/core.c:3412
 usb_new_device+0x900/0x145c drivers/usb/core/hub.c:2593
 hub_port_connect drivers/usb/core/hub.c:5455 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5595 [inline]
 port_event drivers/usb/core/hub.c:5741 [inline]
 hub_event+0x236c/0x46b8 drivers/usb/core/hub.c:5823
 process_one_work+0x790/0x11b8 kernel/workqueue.c:2310
 worker_thread+0x910/0x1034 kernel/workqueue.c:2457
 kthread+0x37c/0x45c kernel/kthread.c:334
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870
Code: 964e8679 f9400368 9102a11c d343ff88 (38746908) 
---[ end trace 27fa8d39a7695435 ]---
----------------
Code disassembly (best guess):
   0:	964e8679 	bl	0xfffffffff93a19e4
   4:	f9400368 	ldr	x8, [x27]
   8:	9102a11c 	add	x28, x8, #0xa8
   c:	d343ff88 	lsr	x8, x28, #3
* 10:	38746908 	ldrb	w8, [x8, x20] <-- trapping instruction