From: Kai Ye yekai13@huawei.com
[ Upstream commit 45f5d0176d8426cc1ab0bab84fbd8ef5c57526c6 ]
The authentication algorithm supports a maximum of 128-byte keys. The allocated key memory is insufficient.
Fixes: 2f072d75d1ab ("crypto: hisilicon - Add aead support on SEC2") Signed-off-by: Kai Ye yekai13@huawei.com Signed-off-by: Herbert Xu herbert@gondor.apana.org.au Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/crypto/hisilicon/sec2/sec_crypto.c | 6 +++--- drivers/crypto/hisilicon/sec2/sec_crypto.h | 1 + 2 files changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/crypto/hisilicon/sec2/sec_crypto.c b/drivers/crypto/hisilicon/sec2/sec_crypto.c index f193d6b6fa16..dbaa6c918cfd 100644 --- a/drivers/crypto/hisilicon/sec2/sec_crypto.c +++ b/drivers/crypto/hisilicon/sec2/sec_crypto.c @@ -620,7 +620,7 @@ static int sec_auth_init(struct sec_ctx *ctx) { struct sec_auth_ctx *a_ctx = &ctx->a_ctx;
- a_ctx->a_key = dma_alloc_coherent(ctx->dev, SEC_MAX_KEY_SIZE, + a_ctx->a_key = dma_alloc_coherent(ctx->dev, SEC_MAX_AKEY_SIZE, &a_ctx->a_key_dma, GFP_KERNEL); if (!a_ctx->a_key) return -ENOMEM; @@ -632,8 +632,8 @@ static void sec_auth_uninit(struct sec_ctx *ctx) { struct sec_auth_ctx *a_ctx = &ctx->a_ctx;
- memzero_explicit(a_ctx->a_key, SEC_MAX_KEY_SIZE); - dma_free_coherent(ctx->dev, SEC_MAX_KEY_SIZE, + memzero_explicit(a_ctx->a_key, SEC_MAX_AKEY_SIZE); + dma_free_coherent(ctx->dev, SEC_MAX_AKEY_SIZE, a_ctx->a_key, a_ctx->a_key_dma); }
diff --git a/drivers/crypto/hisilicon/sec2/sec_crypto.h b/drivers/crypto/hisilicon/sec2/sec_crypto.h index 5e039b50e9d4..d033f63b583f 100644 --- a/drivers/crypto/hisilicon/sec2/sec_crypto.h +++ b/drivers/crypto/hisilicon/sec2/sec_crypto.h @@ -7,6 +7,7 @@ #define SEC_AIV_SIZE 12 #define SEC_IV_SIZE 24 #define SEC_MAX_KEY_SIZE 64 +#define SEC_MAX_AKEY_SIZE 128 #define SEC_COMM_SCENE 0 #define SEC_MIN_BLOCK_SZ 1