segmentation fault in AESNI_decrypt.part.1

[Luro02]

this issue is very similiar to #198

PoC:

#!/usr/bin/env python3
from Cryptodome.Cipher import AES # conda install pycryptodomex

key_0 = bytearray.fromhex('00000000000000000000000000000000')
src_0 = bytearray.fromhex('00000000000000000000000000000000')
key_1 = bytearray.fromhex('000000000000000000000000000000')
src_1 = bytearray.fromhex('00000000000000000000000000000000')

aes_key = AES.new(key_0, AES.MODE_ECB).decrypt(src_0)
AES.new(aes_key, AES.MODE_ECB).decrypt(key_1)

GDB:

(gdb) run test.py
Starting program: /home/lucas/miniconda3/bin/python test.py
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".

Program received signal SIGSEGV, Segmentation fault.
0x00007fffef1e1598 in AESNI_decrypt.part.1 ()
   from /home/lucas/miniconda3/lib/python3.6/site-packages/Cryptodome/Util/../Cipher/_raw_aesni.cpython-36m-x86_64-linux-gnu.so
(gdb) backtrace
#0  0x00007fffef1e1598 in AESNI_decrypt.part.1 ()
   from /home/lucas/miniconda3/lib/python3.6/site-packages/Cryptodome/Util/../Cipher/_raw_aesni.cpython-36m-x86_64-linux-gnu.so
#1  0x00007ffff2d53ec0 in ffi_call_unix64 ()
   from /home/lucas/miniconda3/lib/python3.6/lib-dynload/../../libffi.so.6
#2  0x00007ffff2d5387d in ffi_call ()
   from /home/lucas/miniconda3/lib/python3.6/lib-dynload/../../libffi.so.6
#3  0x00007ffff202daf4 in cdata_call ()
   from /home/lucas/miniconda3/lib/python3.6/site-packages/_cffi_backend.cpython-36m-x86_64-linux-gnu.so
#4  0x0000555555663bcb in _PyObject_FastCallDict ()
#5  0x00005555556f0f4e in call_function ()
#6  0x000055555571594a in _PyEval_EvalFrameDefault ()
#7  0x00005555556eaf8b in fast_function ()
#8  0x00005555556f0ed5 in call_function ()
#9  0x000055555571594a in _PyEval_EvalFrameDefault ()
#10 0x00005555556eaf8b in fast_function ()
#11 0x00005555556f0ed5 in call_function ()
#12 0x000055555571594a in _PyEval_EvalFrameDefault ()
#13 0x00005555556eaf8b in fast_function ()
#14 0x00005555556f0ed5 in call_function ()
#15 0x000055555571594a in _PyEval_EvalFrameDefault ()
#16 0x00005555556ebcb9 in PyEval_EvalCodeEx ()
#17 0x00005555556eca4c in PyEval_EvalCode ()
#18 0x0000555555768c44 in run_mod ()
---Type <return> to continue, or q <return> to quit---
#19 0x0000555555769041 in PyRun_FileExFlags ()
#20 0x0000555555769244 in PyRun_SimpleFileExFlags ()
#21 0x000055555576cd24 in Py_Main ()
#22 0x000055555563475e in main ()

[Luro02]

fixed with commit d1739c6