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| author | Kees Cook <keescook@chromium.org> | 2018-09-18 19:10:51 -0700 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2018-09-28 12:46:08 +0800 |
| commit | 8d605398425843c7ce3c0e9a0434d832d3bd54cc (patch) | |
| tree | 9367982359561def8ee697e06669e2a8a15c99f0 /include/crypto | |
| parent | 5c525640ef455b23ce911ac71eb22c7256031b9a (diff) | |
| download | linux-8d605398425843c7ce3c0e9a0434d832d3bd54cc.tar.bz2 | |
crypto: null - 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
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'include/crypto')
| -rw-r--r-- | include/crypto/internal/geniv.h | 2 | ||||
| -rw-r--r-- | include/crypto/null.h | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/include/crypto/internal/geniv.h b/include/crypto/internal/geniv.h index 2bcfb931bc5b..71be24cd59bd 100644 --- a/include/crypto/internal/geniv.h +++ b/include/crypto/internal/geniv.h @@ -20,7 +20,7 @@ struct aead_geniv_ctx { spinlock_t lock; struct crypto_aead *child; - struct crypto_skcipher *sknull; + struct crypto_sync_skcipher *sknull; u8 salt[] __attribute__ ((aligned(__alignof__(u32)))); }; diff --git a/include/crypto/null.h b/include/crypto/null.h index 15aeef6e30ef..0ef577cc00e3 100644 --- a/include/crypto/null.h +++ b/include/crypto/null.h @@ -9,7 +9,7 @@ #define NULL_DIGEST_SIZE 0 #define NULL_IV_SIZE 0 -struct crypto_skcipher *crypto_get_default_null_skcipher(void); +struct crypto_sync_skcipher *crypto_get_default_null_skcipher(void); void crypto_put_default_null_skcipher(void); #endif |