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Message-Id: <20230609164324.497813-2-magali.lemes@canonical.com>
Date:   Fri,  9 Jun 2023 13:43:22 -0300
From:   Magali Lemes <magali.lemes@...onical.com>
To:     davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
        pabeni@...hat.com, shuah@...nel.org, vfedorenko@...ek.ru,
        tianjia.zhang@...ux.alibaba.com
Cc:     andrei.gherzan@...onical.com, netdev@...r.kernel.org,
        linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH net v2 1/3] selftests: net: tls: check if FIPS mode is enabled

TLS selftests use the ChaCha20-Poly1305 and SM4 algorithms, which are not
FIPS compliant. When fips=1, this set of tests fails. Add a check and only
run these tests if not in FIPS mode.

Fixes: 4f336e88a870 ("selftests/tls: add CHACHA20-POLY1305 to tls selftests")
Fixes: e506342a03c7 ("selftests/tls: add SM4 GCM/CCM to tls selftests")
Signed-off-by: Magali Lemes <magali.lemes@...onical.com>
---
Changes in v2:
 - Put fips_non_compliant into the variants.
 - Turn fips_enabled into a static global variable.
 - Read /proc/sys/crypto/fips_enabled only once at main().

 tools/testing/selftests/net/tls.c | 175 +++++++++++++++++++++++++++++-
 1 file changed, 174 insertions(+), 1 deletion(-)

diff --git a/tools/testing/selftests/net/tls.c b/tools/testing/selftests/net/tls.c
index e699548d4247..0725c60f227c 100644
--- a/tools/testing/selftests/net/tls.c
+++ b/tools/testing/selftests/net/tls.c
@@ -25,6 +25,8 @@
 #define TLS_PAYLOAD_MAX_LEN 16384
 #define SOL_TLS 282
 
+static int fips_enabled = 0;
+
 struct tls_crypto_info_keys {
 	union {
 		struct tls12_crypto_info_aes_gcm_128 aes128;
@@ -235,7 +237,7 @@ FIXTURE_VARIANT(tls)
 {
 	uint16_t tls_version;
 	uint16_t cipher_type;
-	bool nopad;
+	bool nopad, fips_non_compliant;
 };
 
 FIXTURE_VARIANT_ADD(tls, 12_aes_gcm)
@@ -254,24 +256,28 @@ FIXTURE_VARIANT_ADD(tls, 12_chacha)
 {
 	.tls_version = TLS_1_2_VERSION,
 	.cipher_type = TLS_CIPHER_CHACHA20_POLY1305,
+	.fips_non_compliant = true,
 };
 
 FIXTURE_VARIANT_ADD(tls, 13_chacha)
 {
 	.tls_version = TLS_1_3_VERSION,
 	.cipher_type = TLS_CIPHER_CHACHA20_POLY1305,
+	.fips_non_compliant = true,
 };
 
 FIXTURE_VARIANT_ADD(tls, 13_sm4_gcm)
 {
 	.tls_version = TLS_1_3_VERSION,
 	.cipher_type = TLS_CIPHER_SM4_GCM,
+	.fips_non_compliant = true,
 };
 
 FIXTURE_VARIANT_ADD(tls, 13_sm4_ccm)
 {
 	.tls_version = TLS_1_3_VERSION,
 	.cipher_type = TLS_CIPHER_SM4_CCM,
+	.fips_non_compliant = true,
 };
 
 FIXTURE_VARIANT_ADD(tls, 12_aes_ccm)
@@ -311,6 +317,9 @@ FIXTURE_SETUP(tls)
 	int one = 1;
 	int ret;
 
+	if (fips_enabled && variant->fips_non_compliant)
+		return;
+
 	tls_crypto_info_init(variant->tls_version, variant->cipher_type,
 			     &tls12);
 
@@ -343,6 +352,9 @@ TEST_F(tls, sendfile)
 	int filefd = open("/proc/self/exe", O_RDONLY);
 	struct stat st;
 
+	if (fips_enabled && variant->fips_non_compliant)
+		SKIP(return, "Unsupported cipher in FIPS mode");
+
 	EXPECT_GE(filefd, 0);
 	fstat(filefd, &st);
 	EXPECT_GE(sendfile(self->fd, filefd, 0, st.st_size), 0);
@@ -357,6 +369,9 @@ TEST_F(tls, send_then_sendfile)
 	struct stat st;
 	char *buf;
 
+	if (fips_enabled && variant->fips_non_compliant)
+		SKIP(return, "Unsupported cipher in FIPS mode");
+
 	EXPECT_GE(filefd, 0);
 	fstat(filefd, &st);
 	buf = (char *)malloc(st.st_size);
@@ -406,6 +421,10 @@ static void chunked_sendfile(struct __test_metadata *_metadata,
 
 TEST_F(tls, multi_chunk_sendfile)
 {
+
+	if (fips_enabled && variant->fips_non_compliant)
+		SKIP(return, "Unsupported cipher in FIPS mode");
+
 	chunked_sendfile(_metadata, self, 4096, 4096);
 	chunked_sendfile(_metadata, self, 4096, 0);
 	chunked_sendfile(_metadata, self, 4096, 1);
@@ -433,6 +452,9 @@ TEST_F(tls, recv_max)
 	char recv_mem[TLS_PAYLOAD_MAX_LEN];
 	char buf[TLS_PAYLOAD_MAX_LEN];
 
+	if (fips_enabled && variant->fips_non_compliant)
+		SKIP(return, "Unsupported cipher in FIPS mode");
+
 	memrnd(buf, sizeof(buf));
 
 	EXPECT_GE(send(self->fd, buf, send_len, 0), 0);
@@ -446,6 +468,9 @@ TEST_F(tls, recv_small)
 	int send_len = 10;
 	char buf[10];
 
+	if (fips_enabled && variant->fips_non_compliant)
+		SKIP(return, "Unsupported cipher in FIPS mode");
+
 	send_len = strlen(test_str) + 1;
 	EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len);
 	EXPECT_NE(recv(self->cfd, buf, send_len, 0), -1);
@@ -458,6 +483,9 @@ TEST_F(tls, msg_more)
 	int send_len = 10;
 	char buf[10 * 2];
 
+	if (fips_enabled && variant->fips_non_compliant)
+		SKIP(return, "Unsupported cipher in FIPS mode");
+
 	EXPECT_EQ(send(self->fd, test_str, send_len, MSG_MORE), send_len);
 	EXPECT_EQ(recv(self->cfd, buf, send_len, MSG_DONTWAIT), -1);
 	EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len);
@@ -472,6 +500,9 @@ TEST_F(tls, msg_more_unsent)
 	int send_len = 10;
 	char buf[10];
 
+	if (fips_enabled && variant->fips_non_compliant)
+		SKIP(return, "Unsupported cipher in FIPS mode");
+
 	EXPECT_EQ(send(self->fd, test_str, send_len, MSG_MORE), send_len);
 	EXPECT_EQ(recv(self->cfd, buf, send_len, MSG_DONTWAIT), -1);
 }
@@ -485,6 +516,9 @@ TEST_F(tls, sendmsg_single)
 	struct iovec vec;
 	char buf[13];
 
+	if (fips_enabled && variant->fips_non_compliant)
+		SKIP(return, "Unsupported cipher in FIPS mode");
+
 	vec.iov_base = (char *)test_str;
 	vec.iov_len = send_len;
 	memset(&msg, 0, sizeof(struct msghdr));
@@ -505,6 +539,9 @@ TEST_F(tls, sendmsg_fragmented)
 	struct msghdr msg;
 	int i, frags;
 
+	if (fips_enabled && variant->fips_non_compliant)
+		SKIP(return, "Unsupported cipher in FIPS mode");
+
 	for (frags = 1; frags <= MAX_FRAGS; frags++) {
 		for (i = 0; i < frags; i++) {
 			vec[i].iov_base = (char *)test_str;
@@ -536,6 +573,9 @@ TEST_F(tls, sendmsg_large)
 	size_t recvs = 0;
 	size_t sent = 0;
 
+	if (fips_enabled && variant->fips_non_compliant)
+		SKIP(return, "Unsupported cipher in FIPS mode");
+
 	memset(&msg, 0, sizeof(struct msghdr));
 	while (sent++ < sends) {
 		struct iovec vec = { (void *)mem, send_len };
@@ -564,6 +604,9 @@ TEST_F(tls, sendmsg_multiple)
 	char *buf;
 	int i;
 
+	if (fips_enabled && variant->fips_non_compliant)
+		SKIP(return, "Unsupported cipher in FIPS mode");
+
 	memset(&msg, 0, sizeof(struct msghdr));
 	for (i = 0; i < iov_len; i++) {
 		test_strs[i] = (char *)malloc(strlen(test_str) + 1);
@@ -601,6 +644,9 @@ TEST_F(tls, sendmsg_multiple_stress)
 	int len_cmp = 0;
 	int i;
 
+	if (fips_enabled && variant->fips_non_compliant)
+		SKIP(return, "Unsupported cipher in FIPS mode");
+
 	memset(&msg, 0, sizeof(struct msghdr));
 	for (i = 0; i < iov_len; i++) {
 		test_strs[i] = (char *)malloc(strlen(test_str) + 1);
@@ -629,6 +675,9 @@ TEST_F(tls, splice_from_pipe)
 	char mem_recv[TLS_PAYLOAD_MAX_LEN];
 	int p[2];
 
+	if (fips_enabled && variant->fips_non_compliant)
+		SKIP(return, "Unsupported cipher in FIPS mode");
+
 	ASSERT_GE(pipe(p), 0);
 	EXPECT_GE(write(p[1], mem_send, send_len), 0);
 	EXPECT_GE(splice(p[0], NULL, self->fd, NULL, send_len, 0), 0);
@@ -644,6 +693,9 @@ TEST_F(tls, splice_from_pipe2)
 	int p2[2];
 	int p[2];
 
+	if (fips_enabled && variant->fips_non_compliant)
+		SKIP(return, "Unsupported cipher in FIPS mode");
+
 	memrnd(mem_send, sizeof(mem_send));
 
 	ASSERT_GE(pipe(p), 0);
@@ -666,6 +718,9 @@ TEST_F(tls, send_and_splice)
 	char buf[10];
 	int p[2];
 
+	if (fips_enabled && variant->fips_non_compliant)
+		SKIP(return, "Unsupported cipher in FIPS mode");
+
 	ASSERT_GE(pipe(p), 0);
 	EXPECT_EQ(send(self->fd, test_str, send_len2, 0), send_len2);
 	EXPECT_EQ(recv(self->cfd, buf, send_len2, MSG_WAITALL), send_len2);
@@ -685,6 +740,9 @@ TEST_F(tls, splice_to_pipe)
 	char mem_recv[TLS_PAYLOAD_MAX_LEN];
 	int p[2];
 
+	if (fips_enabled && variant->fips_non_compliant)
+		SKIP(return, "Unsupported cipher in FIPS mode");
+
 	memrnd(mem_send, sizeof(mem_send));
 
 	ASSERT_GE(pipe(p), 0);
@@ -705,6 +763,9 @@ TEST_F(tls, splice_cmsg_to_pipe)
 	if (self->notls)
 		SKIP(return, "no TLS support");
 
+	if (fips_enabled && variant->fips_non_compliant)
+		SKIP(return, "Unsupported cipher in FIPS mode");
+
 	ASSERT_GE(pipe(p), 0);
 	EXPECT_EQ(tls_send_cmsg(self->fd, 100, test_str, send_len, 0), 10);
 	EXPECT_EQ(splice(self->cfd, NULL, p[1], NULL, send_len, 0), -1);
@@ -728,6 +789,9 @@ TEST_F(tls, splice_dec_cmsg_to_pipe)
 	if (self->notls)
 		SKIP(return, "no TLS support");
 
+	if (fips_enabled && variant->fips_non_compliant)
+		SKIP(return, "Unsupported cipher in FIPS mode");
+
 	ASSERT_GE(pipe(p), 0);
 	EXPECT_EQ(tls_send_cmsg(self->fd, 100, test_str, send_len, 0), 10);
 	EXPECT_EQ(recv(self->cfd, buf, send_len, 0), -1);
@@ -748,6 +812,9 @@ TEST_F(tls, recv_and_splice)
 	int half = send_len / 2;
 	int p[2];
 
+	if (fips_enabled && variant->fips_non_compliant)
+		SKIP(return, "Unsupported cipher in FIPS mode");
+
 	ASSERT_GE(pipe(p), 0);
 	EXPECT_EQ(send(self->fd, mem_send, send_len, 0), send_len);
 	/* Recv hald of the record, splice the other half */
@@ -766,6 +833,9 @@ TEST_F(tls, peek_and_splice)
 	int chunk = TLS_PAYLOAD_MAX_LEN / 4;
 	int n, i, p[2];
 
+	if (fips_enabled && variant->fips_non_compliant)
+		SKIP(return, "Unsupported cipher in FIPS mode");
+
 	memrnd(mem_send, sizeof(mem_send));
 
 	ASSERT_GE(pipe(p), 0);
@@ -797,6 +867,9 @@ TEST_F(tls, recvmsg_single)
 	struct msghdr hdr;
 	struct iovec vec;
 
+	if (fips_enabled && variant->fips_non_compliant)
+		SKIP(return, "Unsupported cipher in FIPS mode");
+
 	memset(&hdr, 0, sizeof(hdr));
 	EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len);
 	vec.iov_base = (char *)buf;
@@ -815,6 +888,9 @@ TEST_F(tls, recvmsg_single_max)
 	struct iovec vec;
 	struct msghdr hdr;
 
+	if (fips_enabled && variant->fips_non_compliant)
+		SKIP(return, "Unsupported cipher in FIPS mode");
+
 	memrnd(send_mem, sizeof(send_mem));
 
 	EXPECT_EQ(send(self->fd, send_mem, send_len, 0), send_len);
@@ -840,6 +916,9 @@ TEST_F(tls, recvmsg_multiple)
 
 	memrnd(buf, sizeof(buf));
 
+	if (fips_enabled && variant->fips_non_compliant)
+		SKIP(return, "Unsupported cipher in FIPS mode");
+
 	EXPECT_EQ(send(self->fd, buf, send_len, 0), send_len);
 	for (i = 0; i < msg_iovlen; i++) {
 		iov_base[i] = (char *)malloc(iov_len);
@@ -862,6 +941,9 @@ TEST_F(tls, single_send_multiple_recv)
 	char send_mem[TLS_PAYLOAD_MAX_LEN * 2];
 	char recv_mem[TLS_PAYLOAD_MAX_LEN * 2];
 
+	if (fips_enabled && variant->fips_non_compliant)
+		SKIP(return, "Unsupported cipher in FIPS mode");
+
 	memrnd(send_mem, sizeof(send_mem));
 
 	EXPECT_GE(send(self->fd, send_mem, total_len, 0), 0);
@@ -879,6 +961,9 @@ TEST_F(tls, multiple_send_single_recv)
 	char recv_mem[2 * 10];
 	char send_mem[10];
 
+	if (fips_enabled && variant->fips_non_compliant)
+		SKIP(return, "Unsupported cipher in FIPS mode");
+
 	memrnd(send_mem, sizeof(send_mem));
 
 	EXPECT_GE(send(self->fd, send_mem, send_len, 0), 0);
@@ -897,6 +982,9 @@ TEST_F(tls, single_send_multiple_recv_non_align)
 	char recv_mem[recv_len * 2];
 	char send_mem[total_len];
 
+	if (fips_enabled && variant->fips_non_compliant)
+		SKIP(return, "Unsupported cipher in FIPS mode");
+
 	memrnd(send_mem, sizeof(send_mem));
 
 	EXPECT_GE(send(self->fd, send_mem, total_len, 0), 0);
@@ -915,6 +1003,9 @@ TEST_F(tls, recv_partial)
 	int send_len = strlen(test_str) + 1;
 	char recv_mem[18];
 
+	if (fips_enabled && variant->fips_non_compliant)
+		SKIP(return, "Unsupported cipher in FIPS mode");
+
 	memset(recv_mem, 0, sizeof(recv_mem));
 	EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len);
 	EXPECT_NE(recv(self->cfd, recv_mem, strlen(test_str_first),
@@ -932,6 +1023,9 @@ TEST_F(tls, recv_nonblock)
 	char buf[4096];
 	bool err;
 
+	if (fips_enabled && variant->fips_non_compliant)
+		SKIP(return, "Unsupported cipher in FIPS mode");
+
 	EXPECT_EQ(recv(self->cfd, buf, sizeof(buf), MSG_DONTWAIT), -1);
 	err = (errno == EAGAIN || errno == EWOULDBLOCK);
 	EXPECT_EQ(err, true);
@@ -943,6 +1037,9 @@ TEST_F(tls, recv_peek)
 	int send_len = strlen(test_str) + 1;
 	char buf[15];
 
+	if (fips_enabled && variant->fips_non_compliant)
+		SKIP(return, "Unsupported cipher in FIPS mode");
+
 	EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len);
 	EXPECT_EQ(recv(self->cfd, buf, send_len, MSG_PEEK), send_len);
 	EXPECT_EQ(memcmp(test_str, buf, send_len), 0);
@@ -959,6 +1056,9 @@ TEST_F(tls, recv_peek_multiple)
 	char buf[15];
 	int i;
 
+	if (fips_enabled && variant->fips_non_compliant)
+		SKIP(return, "Unsupported cipher in FIPS mode");
+
 	EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len);
 	for (i = 0; i < num_peeks; i++) {
 		EXPECT_NE(recv(self->cfd, buf, send_len, MSG_PEEK), -1);
@@ -977,6 +1077,9 @@ TEST_F(tls, recv_peek_multiple_records)
 	int len;
 	char buf[64];
 
+	if (fips_enabled && variant->fips_non_compliant)
+		SKIP(return, "Unsupported cipher in FIPS mode");
+
 	len = strlen(test_str_first);
 	EXPECT_EQ(send(self->fd, test_str_first, len, 0), len);
 
@@ -1026,6 +1129,9 @@ TEST_F(tls, recv_peek_large_buf_mult_recs)
 	int len;
 	char buf[64];
 
+	if (fips_enabled && variant->fips_non_compliant)
+		SKIP(return, "Unsupported cipher in FIPS mode");
+
 	len = strlen(test_str_first);
 	EXPECT_EQ(send(self->fd, test_str_first, len, 0), len);
 
@@ -1046,6 +1152,9 @@ TEST_F(tls, recv_lowat)
 	char recv_mem[20];
 	int lowat = 8;
 
+	if (fips_enabled && variant->fips_non_compliant)
+		SKIP(return, "Unsupported cipher in FIPS mode");
+
 	EXPECT_EQ(send(self->fd, send_mem, 10, 0), 10);
 	EXPECT_EQ(send(self->fd, send_mem, 5, 0), 5);
 
@@ -1067,6 +1176,9 @@ TEST_F(tls, bidir)
 	char buf[10];
 	int ret;
 
+	if (fips_enabled && variant->fips_non_compliant)
+		SKIP(return, "Unsupported cipher in FIPS mode");
+
 	if (!self->notls) {
 		struct tls_crypto_info_keys tls12;
 
@@ -1102,6 +1214,9 @@ TEST_F(tls, pollin)
 	char buf[10];
 	int send_len = 10;
 
+	if (fips_enabled && variant->fips_non_compliant)
+		SKIP(return, "Unsupported cipher in FIPS mode");
+
 	EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len);
 	fd.fd = self->cfd;
 	fd.events = POLLIN;
@@ -1120,6 +1235,9 @@ TEST_F(tls, poll_wait)
 	struct pollfd fd = { 0, 0, 0 };
 	char recv_mem[15];
 
+	if (fips_enabled && variant->fips_non_compliant)
+		SKIP(return, "Unsupported cipher in FIPS mode");
+
 	fd.fd = self->cfd;
 	fd.events = POLLIN;
 	EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len);
@@ -1135,6 +1253,9 @@ TEST_F(tls, poll_wait_split)
 	char send_mem[20] = {};
 	char recv_mem[15];
 
+	if (fips_enabled && variant->fips_non_compliant)
+		SKIP(return, "Unsupported cipher in FIPS mode");
+
 	fd.fd = self->cfd;
 	fd.events = POLLIN;
 	/* Send 20 bytes */
@@ -1160,6 +1281,9 @@ TEST_F(tls, blocking)
 	size_t data = 100000;
 	int res = fork();
 
+	if (fips_enabled && variant->fips_non_compliant)
+		SKIP(return, "Unsupported cipher in FIPS mode");
+
 	EXPECT_NE(res, -1);
 
 	if (res) {
@@ -1202,6 +1326,9 @@ TEST_F(tls, nonblocking)
 	int flags;
 	int res;
 
+	if (fips_enabled && variant->fips_non_compliant)
+		SKIP(return, "Unsupported cipher in FIPS mode");
+
 	flags = fcntl(self->fd, F_GETFL, 0);
 	fcntl(self->fd, F_SETFL, flags | O_NONBLOCK);
 	fcntl(self->cfd, F_SETFL, flags | O_NONBLOCK);
@@ -1343,31 +1470,49 @@ test_mutliproc(struct __test_metadata *_metadata, struct _test_data_tls *self,
 
 TEST_F(tls, mutliproc_even)
 {
+	if (fips_enabled && variant->fips_non_compliant)
+		SKIP(return, "Unsupported cipher in FIPS mode");
+
 	test_mutliproc(_metadata, self, false, 6, 6);
 }
 
 TEST_F(tls, mutliproc_readers)
 {
+	if (fips_enabled && variant->fips_non_compliant)
+		SKIP(return, "Unsupported cipher in FIPS mode");
+
 	test_mutliproc(_metadata, self, false, 4, 12);
 }
 
 TEST_F(tls, mutliproc_writers)
 {
+	if (fips_enabled && variant->fips_non_compliant)
+		SKIP(return, "Unsupported cipher in FIPS mode");
+
 	test_mutliproc(_metadata, self, false, 10, 2);
 }
 
 TEST_F(tls, mutliproc_sendpage_even)
 {
+	if (fips_enabled && variant->fips_non_compliant)
+		SKIP(return, "Unsupported cipher in FIPS mode");
+
 	test_mutliproc(_metadata, self, true, 6, 6);
 }
 
 TEST_F(tls, mutliproc_sendpage_readers)
 {
+	if (fips_enabled && variant->fips_non_compliant)
+		SKIP(return, "Unsupported cipher in FIPS mode");
+
 	test_mutliproc(_metadata, self, true, 4, 12);
 }
 
 TEST_F(tls, mutliproc_sendpage_writers)
 {
+	if (fips_enabled && variant->fips_non_compliant)
+		SKIP(return, "Unsupported cipher in FIPS mode");
+
 	test_mutliproc(_metadata, self, true, 10, 2);
 }
 
@@ -1378,6 +1523,9 @@ TEST_F(tls, control_msg)
 	int send_len = 10;
 	char buf[10];
 
+	if (fips_enabled && variant->fips_non_compliant)
+		SKIP(return, "Unsupported cipher in FIPS mode");
+
 	if (self->notls)
 		SKIP(return, "no TLS support");
 
@@ -1406,6 +1554,9 @@ TEST_F(tls, shutdown)
 	int send_len = 10;
 	char buf[10];
 
+	if (fips_enabled && variant->fips_non_compliant)
+		SKIP(return, "Unsupported cipher in FIPS mode");
+
 	ASSERT_EQ(strlen(test_str) + 1, send_len);
 
 	EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len);
@@ -1421,6 +1572,9 @@ TEST_F(tls, shutdown_unsent)
 	char const *test_str = "test_read";
 	int send_len = 10;
 
+	if (fips_enabled && variant->fips_non_compliant)
+		SKIP(return, "Unsupported cipher in FIPS mode");
+
 	EXPECT_EQ(send(self->fd, test_str, send_len, MSG_MORE), send_len);
 
 	shutdown(self->fd, SHUT_RDWR);
@@ -1432,6 +1586,9 @@ TEST_F(tls, shutdown_reuse)
 	struct sockaddr_in addr;
 	int ret;
 
+	if (fips_enabled && variant->fips_non_compliant)
+		SKIP(return, "Unsupported cipher in FIPS mode");
+
 	shutdown(self->fd, SHUT_RDWR);
 	shutdown(self->cfd, SHUT_RDWR);
 	close(self->cfd);
@@ -1865,4 +2022,20 @@ TEST(prequeue) {
 	close(cfd);
 }
 
+#define main test_main
 TEST_HARNESS_MAIN
+#undef main
+int main(int argc, char **argv) {
+	int res;
+	FILE *f;
+
+	f = fopen("/proc/sys/crypto/fips_enabled", "r");
+	if (f) {
+		res = fscanf(f, "%d", &fips_enabled);
+		if (res != 1)
+			ksft_print_msg("ERROR: Couldn't read /proc/sys/crypto/fips_enabled\n");
+		fclose(f);
+	}
+
+	return test_main(argc, argv);
+}
-- 
2.34.1

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