sunrpc: Fix skcipher/shash conversion
authorHerbert Xu <herbert@gondor.apana.org.au>
Sun, 3 Apr 2016 04:37:15 +0000 (12:37 +0800)
committerHerbert Xu <herbert@gondor.apana.org.au>
Mon, 4 Apr 2016 13:45:51 +0000 (21:45 +0800)
commitef609c238a8ea163cb0af759cc73c9e2555c89da
tree99fc4f1518315e72c089626567a07dfd964c78ef
parent9735a22799b9214d17d3c231fe377fc852f042e9
sunrpc: Fix skcipher/shash conversion

The skcpiher/shash conversion introduced a number of bugs in the
sunrpc code:

1) Missing calls to skcipher_request_set_tfm lead to crashes.
2) The allocation size of shash_desc is too small which leads to
memory corruption.

Fixes: 3b5cf20cf439 ("sunrpc: Use skcipher and ahash/shash")
Reported-by: J. Bruce Fields <bfields@fieldses.org>
Tested-by: J. Bruce Fields <bfields@fieldses.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
net/sunrpc/auth_gss/gss_krb5_crypto.c
net/sunrpc/auth_gss/gss_krb5_mech.c