18223 810000 CPU Unable to handle kernel paging request at virtual add

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[18223.810000] CPU 0 Unable to handle kernel paging request at virtual address 00000018, epc == 80125ce4, ra == 80125ce4
[18223.820000] Oops[#1]:
[18223.820000] Cpu 0
[18223.820000] $ 0 : 00000000 10000400 00000000 00000001
[18223.820000] $ 4 : 00010000 803c8f90 838010c0 83814e10
[18223.820000] $ 8 : 00000000 000001bd 0000000d 0000000c
[18223.820000] $12 : 2aad8f08 004a0000 00000002 004a0000
[18223.820000] $16 : 00000000 8039de24 803d0000 803d6610
[18223.820000] $20 : c01e00ec 803c0000 0000005f 0000002d
[18223.820000] $24 : 00000002 c01dc3e4
[18223.820000] $28 : 83bba000 83bbbd98 0000002e 80125ce4
[18223.820000] Hi : 00000000
[18223.820000] Lo : 6b5ad6c1
[18223.820000] epc : 80125ce4 sysfs_get_dirent+0x28/0x1bc
[18223.820000] Not tainted
[18223.820000] ra : 80125ce4 sysfs_get_dirent+0x28/0x1bc
[18223.820000] Status: 10000403 KERNEL EXL IE
[18223.820000] Cause : 00800008
[18223.820000] BadVA : 00000018
[18223.820000] PrId : 0ad0024f (Ingenic JZRISC)
[18223.820000] Modules linked in: board_n516_display metronomefb sysimgblt sysfillrect syscopyarea jz4740_udc(-) lm75 hwmon nls_utf8 [last unloaded: g_ether]
[18223.820000] Process busybox (pid: 653, threadinfo=83bba000, task=83870098, tls=2aad1aa0)
[18223.820000] Stack : 83a59b80 838376bc 83a59b80 83a59bd8 00000000 c01dfea0 c01dfee4 8012884c
[18223.820000] 83bbbe28 80410000 00200200 80126a30 80401220 803dcfb0 83bbbe68 c01dfea0
[18223.820000] c01dfea0 c01dfd40 c01dfd78 80226684 83ae3a80 803c4924 c01dfe80 10000401
[18223.820000] 00000018 c01dfea0 c01dfd70 c01dfd40 83bbbed4 802267ec c01dfd70 c01dfd40
[18223.820000] 83bbbed4 c01e00ec c01dfe80 c01dc4a8 83b0ed48 8349e9f0 00000000 00000001
[18223.820000] ...
[18223.820000] Call Trace:
[18223.820000] [<80125ce4>] sysfs_get_dirent+0x28/0x1bc
[18223.820000] [<8012884c>] sysfs_remove_group+0x34/0x240
[18223.820000] [<80226684>] device_del+0x4c/0x1a0
[18223.820000] [<802267ec>] device_unregister+0x14/0x28
[18223.820000] [<c01dc4a8>] jz4740_udc_remove+0xc4/0xd4 [jz4740_udc]
[18223.820000] [<80229174>] __device_release_driver+0x74/0xc0
[18223.820000] [<802292b8>] driver_detach+0xf8/0x124
[18223.820000] [<802280f4>] bus_remove_driver+0x98/0xe8
[18223.820000] [<c01dc3c8>] udc_exit+0x1c/0x38 [jz4740_udc]
[18223.820000] [<8007b9b4>] sys_delete_module+0x23c/0x304
[18223.820000] [<800121f0>] stack_done+0x20/0x3c
[18223.820000]
[18223.820000]
[18223.820000] Code: afbf001c 0c0062de 00a08821 <8e100018> 1200001e 02202021 8e030010 90620000 90810000
Segmentation fault