Unable to handle kernel NULL pointer dereference at virtual address 00000000
 printing eip:
c01239a4
*pde = 00000000
Oops: 0000
CPU:    0
EIP:    0010:[<c01239a4>]
EFLAGS: 00010202
eax: 00001001   ebx: 00000000   ecx: c0256730   edx: 0003f435
esi: c20cde24   edi: 00000000   ebp: 00000001   esp: ee5e3e30
ds: 0018   es: 0018   ss: 0018
Process ls (pid: 449, stackpage=ee5e3000)
Stack: c20cde24 ee5e3e64 f7e00004 00000001 c01262f5 c20cde24 00000000 00000001
       f7e00004 c1000010 fe2f0014 00000018 fe2f0000 c20cde24 f88982f8 00000000
       00000001 00000070 ee5e3ee8 f889e180 ee61a000 ee6ede9c 00000010 f8896e69
Call Trace: [<c01262f5>] [<fe2f0014>] [<fe2f0000>] [<f88982f8>] [<f889e180>] [<f8896e69>] [<f8896eaa>]
       [<fe2f0000>] [<fe2f0000>] [<f889e048>] [<f889e03c>] [<f8896f40>] [<fe2f0000>] [<f88983b0>] [<fe2f0000>]
       [<fe2f0000>] [<f889798b>] [<fe2f0000>] [<c0140c10>] [<c0140e7c>] [<c0140f9e>] [<c0140e7c>] [<c0108f4b>]

Code: 8b 07 ff 47 18 89 70 04 89 06 89 7e 04 89 37 89 7e 08 8b 44
Segmentation fault