| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.19 413/639] crypto: inside-secure - fix zeroing of the request in ahash_exit_inv | Date | Fri, 24 Jan 2020 10:29:43 +0100 |
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From: Antoine Tenart <antoine.tenart@bootlin.com>
[ Upstream commit b926213d6fede9c9427d7c12eaf7d9f0895deb4e ]
A request is zeroed in safexcel_ahash_exit_inv(). This request total size is EIP197_AHASH_REQ_SIZE while the memset zeroing it uses sizeof(struct ahash_request), which happens to be less than EIP197_AHASH_REQ_SIZE. This patch fixes it.
Fixes: f6beaea30487 ("crypto: inside-secure - authenc(hmac(sha256), cbc(aes)) support") Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/crypto/inside-secure/safexcel_hash.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/crypto/inside-secure/safexcel_hash.c b/drivers/crypto/inside-secure/safexcel_hash.c index ac9282c1a5ec1..9a02f64a45b96 100644 --- a/drivers/crypto/inside-secure/safexcel_hash.c +++ b/drivers/crypto/inside-secure/safexcel_hash.c @@ -486,7 +486,7 @@ static int safexcel_ahash_exit_inv(struct crypto_tfm *tfm) struct safexcel_inv_result result = {}; int ring = ctx->base.ring; - memset(req, 0, sizeof(struct ahash_request)); + memset(req, 0, EIP197_AHASH_REQ_SIZE); /* create invalidation request */ init_completion(&result.completion); -- 2.20.1
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