summaryrefslogtreecommitdiff
path: root/tools
diff options
context:
space:
mode:
authorJakub Kicinski <kuba@kernel.org>2021-06-18 13:25:03 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-07-14 17:07:12 +0200
commitf4b35106f13c1ebefb74a6496f794d1045973b64 (patch)
tree1145cbf5e3ced05a60b35849f85e306d5bcb97d1 /tools
parent99b0c836b3d88e43b8aad90db3d4d761a33c0348 (diff)
selftests: tls: clean up uninitialized warnings
[ Upstream commit baa00119d69e3318da8d99867fc1170ebddf09ce ] A bunch of tests uses uninitialized stack memory as random data to send. This is harmless but generates compiler warnings. Explicitly init the buffers with random data. Signed-off-by: Jakub Kicinski <kuba@kernel.org> Acked-by: Vadim Fedorenko <vfedorenko@novek.ru> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'tools')
-rw-r--r--tools/testing/selftests/net/tls.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/tools/testing/selftests/net/tls.c b/tools/testing/selftests/net/tls.c
index 426d07875a48..58fea6eb588d 100644
--- a/tools/testing/selftests/net/tls.c
+++ b/tools/testing/selftests/net/tls.c
@@ -25,6 +25,18 @@
#define TLS_PAYLOAD_MAX_LEN 16384
#define SOL_TLS 282
+static void memrnd(void *s, size_t n)
+{
+ int *dword = s;
+ char *byte;
+
+ for (; n >= 4; n -= 4)
+ *dword++ = rand();
+ byte = (void *)dword;
+ while (n--)
+ *byte++ = rand();
+}
+
FIXTURE(tls_basic)
{
int fd, cfd;
@@ -308,6 +320,8 @@ TEST_F(tls, recv_max)
char recv_mem[TLS_PAYLOAD_MAX_LEN];
char buf[TLS_PAYLOAD_MAX_LEN];
+ memrnd(buf, sizeof(buf));
+
EXPECT_GE(send(self->fd, buf, send_len, 0), 0);
EXPECT_NE(recv(self->cfd, recv_mem, send_len, 0), -1);
EXPECT_EQ(memcmp(buf, recv_mem, send_len), 0);
@@ -588,6 +602,8 @@ TEST_F(tls, recvmsg_single_max)
struct iovec vec;
struct msghdr hdr;
+ memrnd(send_mem, sizeof(send_mem));
+
EXPECT_EQ(send(self->fd, send_mem, send_len, 0), send_len);
vec.iov_base = (char *)recv_mem;
vec.iov_len = TLS_PAYLOAD_MAX_LEN;
@@ -610,6 +626,8 @@ TEST_F(tls, recvmsg_multiple)
struct msghdr hdr;
int i;
+ memrnd(buf, sizeof(buf));
+
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);
@@ -634,6 +652,8 @@ TEST_F(tls, single_send_multiple_recv)
char send_mem[TLS_PAYLOAD_MAX_LEN * 2];
char recv_mem[TLS_PAYLOAD_MAX_LEN * 2];
+ memrnd(send_mem, sizeof(send_mem));
+
EXPECT_GE(send(self->fd, send_mem, total_len, 0), 0);
memset(recv_mem, 0, total_len);