Fix crash on invalid input in virtio-serial.
Discovered by code review, untested.
Signed-off-by: Michael S. Tsirkin <m...@redhat.com>
---
hw/virtio-serial-bus.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/hw/virtio-serial-bus.c b/hw/virtio-serial-bus.c
index e0bf6c5..8807a2f 100644
--- a/hw/virtio-serial-bus.c
+++ b/hw/virtio-serial-bus.c
@@ -654,6 +654,9 @@ static int virtio_serial_load(QEMUFile *f, void *opaque,
int version_id)
id = qemu_get_be32(f);
port = find_port_by_id(s, id);
+ if (!port) {
+ return -EINVAL;
+ }
port->guest_connected = qemu_get_byte(f);
host_connected = qemu_get_byte(f);
--
1.7.3.2.91.g446ac
