DPDK patches and discussions
 help / color / mirror / Atom feed
From: Gowrishankar Muthukrishnan <gmuthukrishn@marvell.com>
To: <dev@dpdk.org>, Akhil Goyal <gakhil@marvell.com>,
	Fan Zhang <fanzhang.oss@gmail.com>,
	Gowrishankar Muthukrishnan <gmuthukrishn@marvell.com>
Cc: Anoob Joseph <anoobj@marvell.com>, <stable@dpdk.org>
Subject: [PATCH v1] test/crypto: fix comparison function for modex values
Date: Mon, 15 Jul 2024 19:08:33 +0530	[thread overview]
Message-ID: <20240715133836.1579-1-gmuthukrishn@marvell.com> (raw)

Fix comparison function used by modex test to check from
first non-zero value itself.

Coverity issue: 430125
Fixes: 2162d32c1c3 ("test/crypto: validate modex from first non-zero")
Cc: stable@dpdk.org

Signed-off-by: Gowrishankar Muthukrishnan <gmuthukrishn@marvell.com>
---
 app/test/test_cryptodev_asym.c | 21 +++++++++++++--------
 1 file changed, 13 insertions(+), 8 deletions(-)

diff --git a/app/test/test_cryptodev_asym.c b/app/test/test_cryptodev_asym.c
index 1d88832146..f0b5d38543 100644
--- a/app/test/test_cryptodev_asym.c
+++ b/app/test/test_cryptodev_asym.c
@@ -3197,21 +3197,26 @@ static int send_one(void)
 }
 
 static int
-modular_cmpeq(const uint8_t *a, const uint8_t *b, size_t len)
+modular_cmpeq(const uint8_t *a, size_t a_len, const uint8_t *b, size_t b_len)
 {
-	const uint8_t *new_a = a, *new_b = b;
+	const uint8_t *new_a, *new_b;
 	size_t i, j;
 
 	/* Strip leading NUL bytes */
-	for (i = 0; i < len; i++)
+	for (i = 0; i < a_len; i++)
 		if (a[i] != 0)
-			new_a = &a[i];
+			break;
 
-	for (j = 0; j < len; j++)
+	for (j = 0; j < b_len; j++)
 		if (b[j] != 0)
-			new_b = &b[i];
+			break;
+
+	if (a_len - i != b_len - j)
+		return 1;
 
-	if (i != j || memcmp(new_a, new_b, len - i))
+	new_a = &a[i];
+	new_b = &b[j];
+	if (memcmp(new_a, new_b, a_len - i))
 		return 1;
 
 	return 0;
@@ -3251,7 +3256,7 @@ modular_exponentiation(const void *test_data)
 
 	TEST_ASSERT_SUCCESS(send_one(),
 		"Failed to process crypto op");
-	TEST_ASSERT_SUCCESS(modular_cmpeq(vector->reminder.data,
+	TEST_ASSERT_SUCCESS(modular_cmpeq(vector->reminder.data, vector->reminder.len,
 			self->result_op->asym->modex.result.data,
 			self->result_op->asym->modex.result.length),
 			"operation verification failed\n");
-- 
2.21.0


             reply	other threads:[~2024-07-15 13:38 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-07-15 13:38 Gowrishankar Muthukrishnan [this message]
2024-07-16  6:06 ` Anoob Joseph
2024-07-19 13:03   ` Akhil Goyal

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20240715133836.1579-1-gmuthukrishn@marvell.com \
    --to=gmuthukrishn@marvell.com \
    --cc=anoobj@marvell.com \
    --cc=dev@dpdk.org \
    --cc=fanzhang.oss@gmail.com \
    --cc=gakhil@marvell.com \
    --cc=stable@dpdk.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).