crypto: chelsio - Remove VLA usage of skcipher

In the quest to remove all stack VLA usage from the kernel[1], this
replaces struct crypto_skcipher and SKCIPHER_REQUEST_ON_STACK() usage
with struct crypto_sync_skcipher and SYNC_SKCIPHER_REQUEST_ON_STACK(),
which uses a fixed stack size.

[1] https://lkml.kernel.org/r/CA+55aFzCG-zNmZwX4A2FQpadafLfEzK6CC=qPXydAacU1RqZWA@mail.gmail.com

Cc: Harsh Jain <harsh@chelsio.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Kees Cook
2018-09-18 19:10:56 -07:00
committed by Herbert Xu
parent 888a649c11
commit 28874f2637
2 changed files with 15 additions and 14 deletions

View File

@@ -170,7 +170,7 @@ static inline struct chcr_context *h_ctx(struct crypto_ahash *tfm)
}
struct ablk_ctx {
struct crypto_skcipher *sw_cipher;
struct crypto_sync_skcipher *sw_cipher;
struct crypto_cipher *aes_generic;
__be32 key_ctx_hdr;
unsigned int enckey_len;