Crypto Fixes for 4.13

[Herbert Xu]

Hi Linus: 

This push fixes the following issues:

- Regression in chacha20 handling of chunked input.
- Crash in algif_skcipher when used with async io.
- Potential bogus pointer dereference in lib/mpi.


Please pull from

git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6.git linus


Ard Biesheuvel (2):
      crypto: chacha20 - fix handling of chunked input
      crypto: testmgr - add chunked test cases for chacha20

Stephan Mueller (2):
      lib/mpi: kunmap after finishing accessing buffer
      crypto: algif_skcipher - only call put_page on referenced and used pages

 crypto/algif_skcipher.c   |    9 +++++++--
 crypto/chacha20_generic.c |    9 +++++++--
 crypto/testmgr.h          |    7 +++++++
 lib/mpi/mpicoder.c        |    4 +++-
 4 files changed, 24 insertions(+), 5 deletions(-)

Thanks,
-- 
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt