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selftests: tls: clean up uninitialized warnings 

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>
This commit is contained in:
Jakub Kicinski 2021-06-18 13:25:03 -07:00 committed by David S. Miller
parent adc2e56ebe
commit baa00119d6
1 changed files with 20 additions and 0 deletions
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20
tools/testing/selftests/net/tls.c
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@ -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);