aio/win32: aio_set_fd_handler() only supports SOCKET
Let's check if the argument is actually a SOCKET, else report an error
and return.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
Message-Id: <20230221124802.4103554-10-marcandre.lureau@redhat.com>
diff --git a/util/aio-win32.c b/util/aio-win32.c
index 74d63fa..08e8f56 100644
--- a/util/aio-win32.c
+++ b/util/aio-win32.c
@@ -22,6 +22,7 @@
#include "qemu/sockets.h"
#include "qapi/error.h"
#include "qemu/rcu_queue.h"
+#include "qemu/error-report.h"
struct AioHandler {
EventNotifier *e;
@@ -70,10 +71,14 @@
IOHandler *io_poll_ready,
void *opaque)
{
- /* fd is a SOCKET in our case */
AioHandler *old_node;
AioHandler *node = NULL;
+ if (!fd_is_socket(fd)) {
+ error_report("fd=%d is not a socket, AIO implementation is missing", fd);
+ return;
+ }
+
qemu_lockcnt_lock(&ctx->list_lock);
QLIST_FOREACH(old_node, &ctx->aio_handlers, node) {
if (old_node->pfd.fd == fd && !old_node->deleted) {
