linux-kernel - [PATCH] crypto: testmgr - properly mark the end of scatterlist

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Date:   Mon, 27 Jan 2020 14:33:11 +0200
From:   Gilad Ben-Yossef <gilad@...yossef.com>
To:     Herbert Xu <herbert@...dor.apana.org.au>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Biggers <ebiggers@...gle.com>
Cc:     Ofir Drang <ofir.drang@....com>, linux-crypto@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] crypto: testmgr - properly mark the end of scatterlist

The inauthentic AEAD test were using a scatterlist which
could have a mismarked end node.

Fixes: 49763fc6b1 ("crypto: testmgr - generate inauthentic AEAD test vectors")
Signed-off-by: Gilad Ben-Yossef <gilad@...yossef.com>

---
 crypto/testmgr.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/crypto/testmgr.c b/crypto/testmgr.c
index 88f33c0efb23..6c432aecff97 100644
--- a/crypto/testmgr.c
+++ b/crypto/testmgr.c
@@ -2225,6 +2225,8 @@ static void generate_aead_message(struct aead_request *req,
 			generate_random_bytes((u8 *)vec->ptext, vec->plen);
 			sg_set_buf(&src[i++], vec->ptext, vec->plen);
 		}
+		if (i)
+			sg_mark_end(&src[(i-1)]);
 		sg_init_one(&dst, vec->ctext, vec->alen + vec->clen);
 		memcpy(iv, vec->iv, ivsize);
 		aead_request_set_callback(req, 0, crypto_req_done, &wait);
-- 
2.23.0