[  111.578116] Unable to handle kernel NULL pointer dereference at virtual address 00000001

[  111.578134] pgd = aa870000

[  111.578143] [00000001] *pgd=2afbb831, *pte=00000000, *ppte=00000000

[  111.578168] Internal error: Oops: 17 [#1] PREEMPT SMP

[  111.578352] CPU: 1    Tainted: P

[  111.578378] PC is at rb_erase+0x1b4/0x370

[  111.578399] LR is at __free_vmap_area+0x5c/0xf4

[  111.578413] pc : [<801d2ba8>]    lr : [<800b7fb8>]    psr: 200f0013

[  111.578419] sp : aa205d88  ip : 00000001  fp : 00000002

[  111.578431] r10: 00000d30  r9 : 00000002  r8 : c1ab2000

[  111.578442] r7 : 00000d30  r6 : 9ca544ec  r5 : 805f38a0  r4 : 9ca24b6c

[  111.578454] r3 : 9c8a87ec  r2 : 00000001  r1 : b627bf6c  r0 : 00000001

[  111.578468] Flags: nzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment user

[  111.578481] Control: 10c5387d  Table: 2a87004a  DAC: 00000015

[  111.578491]