@@ -33,7 +33,7 @@
static unsigned int port = DEFAULT_PORT;
static unsigned long buf_size_bytes = DEFAULT_BUF_SIZE_BYTES;
-static unsigned long vsock_buf_bytes = DEFAULT_VSOCK_BUF_BYTES;
+static unsigned long long vsock_buf_bytes = DEFAULT_VSOCK_BUF_BYTES;
static bool zerocopy;
static void error(const char *s)
@@ -162,7 +162,7 @@ static void run_receiver(int rcvlowat_bytes)
printf("Run as receiver\n");
printf("Listen port %u\n", port);
printf("RX buffer %lu bytes\n", buf_size_bytes);
- printf("vsock buffer %lu bytes\n", vsock_buf_bytes);
+ printf("vsock buffer %llu bytes\n", vsock_buf_bytes);
printf("SO_RCVLOWAT %d bytes\n", rcvlowat_bytes);
fd = socket(AF_VSOCK, SOCK_STREAM, 0);
@@ -429,7 +429,7 @@ static void test_seqpacket_msg_bounds_client(const struct test_opts *opts)
static void test_seqpacket_msg_bounds_server(const struct test_opts *opts)
{
- unsigned long sock_buf_size;
+ unsigned long long sock_buf_size;
unsigned long remote_hash;
unsigned long curr_hash;
int fd;
@@ -634,7 +634,8 @@ static void test_seqpacket_timeout_server(const struct test_opts *opts)
static void test_seqpacket_bigmsg_client(const struct test_opts *opts)
{
- unsigned long sock_buf_size;
+ unsigned long long sock_buf_size;
+ size_t buf_size;
socklen_t len;
void *data;
int fd;
@@ -655,13 +656,20 @@ static void test_seqpacket_bigmsg_client(const struct test_opts *opts)
sock_buf_size++;
- data = malloc(sock_buf_size);
+ /* size_t can be < unsigned long long */
+ buf_size = (size_t)sock_buf_size;
+ if (buf_size != sock_buf_size) {
+ fprintf(stderr, "Returned BUFFER_SIZE too large\n");
+ exit(EXIT_FAILURE);
+ }
+
+ data = malloc(buf_size);
if (!data) {
perror("malloc");
exit(EXIT_FAILURE);
}
- send_buf(fd, data, sock_buf_size, 0, -EMSGSIZE);
+ send_buf(fd, data, buf_size, 0, -EMSGSIZE);
control_writeln("CLISENT");
@@ -1360,6 +1368,7 @@ static void test_stream_credit_update_test(const struct test_opts *opts,
int recv_buf_size;
struct pollfd fds;
size_t buf_size;
+ unsigned long long sock_buf_size;
void *buf;
int fd;
@@ -1371,8 +1380,11 @@ static void test_stream_credit_update_test(const struct test_opts *opts,
buf_size = RCVLOWAT_CREDIT_UPD_BUF_SIZE;
+ /* size_t can be < unsigned long long */
+ sock_buf_size = buf_size;
+
if (setsockopt(fd, AF_VSOCK, SO_VM_SOCKETS_BUFFER_SIZE,
- &buf_size, sizeof(buf_size))) {
+ &sock_buf_size, sizeof(sock_buf_size))) {
perror("setsockopt(SO_VM_SOCKETS_BUFFER_SIZE)");
exit(EXIT_FAILURE);
}
Change parameters of SO_VM_SOCKETS_* to unsigned long long as documented in the vm_sockets.h, because the corresponding kernel code requires them to be at least 64-bit, no matter what architecture. Otherwise they are too small on 32-bit machines. Fixes: 5c338112e48a ("test/vsock: rework message bounds test") Fixes: 685a21c314a8 ("test/vsock: add big message test") Fixes: 542e893fbadc ("vsock/test: two tests to check credit update logic") Fixes: 8abbffd27ced ("test/vsock: vsock_perf utility") Signed-off-by: Konstantin Shkolnyy <kshk@linux.ibm.com> Reviewed-by: Stefano Garzarella <sgarzare@redhat.com> --- tools/testing/vsock/vsock_perf.c | 4 ++-- tools/testing/vsock/vsock_test.c | 22 +++++++++++++++++----- 2 files changed, 19 insertions(+), 7 deletions(-)