5.15-stable review patch. If anyone has any objections, please let me know.
------------------
From: Gaurav Jain <gaurav.jain@xxxxxxx>
[ Upstream commit a8d3cdcc092fb2f2882acb6c20473a1be0ef4484 ]
key buffer is not copied in chachapoly_setkey function,
results in wrong output for encryption/decryption operation.
fix this by memcpy the key in caam_ctx key arrary
Fixes: d6bbd4eea243 ("crypto: caam/jr - add support for Chacha20 + Poly1305")
Signed-off-by: Gaurav Jain <gaurav.jain@xxxxxxx>
Signed-off-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/crypto/caam/caamalg.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/crypto/caam/caamalg.c b/drivers/crypto/caam/caamalg.c
index d3d8bb0a69900..e156238b4da90 100644
--- a/drivers/crypto/caam/caamalg.c
+++ b/drivers/crypto/caam/caamalg.c
@@ -566,7 +566,8 @@ static int chachapoly_setkey(struct crypto_aead *aead, const u8 *key,
if (keylen != CHACHA_KEY_SIZE + saltlen)
return -EINVAL;
- ctx->cdata.key_virt = key;
+ memcpy(ctx->key, key, keylen);
+ ctx->cdata.key_virt = ctx->key;
ctx->cdata.keylen = keylen - saltlen;
return chachapoly_set_sh_desc(aead);
--
2.42.0
