@@ -836,6 +836,7 @@ static int vnc_update_client(VncState *vs, int has_dirty)
int y;
int n_rectangles;
int saved_offset;
+ int width, height;
if (vs->output.offset && !vs->audio_cap && !vs->force_update)
/* kernel send buffers are full -> drop frames to throttle */
@@ -856,10 +857,13 @@ static int vnc_update_client(VncState *vs, int has_dirty)
saved_offset = vs->output.offset;
vnc_write_u16(vs, 0);
- for (y = 0; y < vd->server->height; y++) {
+ width = MIN(vd->server->width, vs->client_width);
+ height = MIN(vd->server->height, vs->client_height);
+
+ for (y = 0; y < height; y++) {
int x;
int last_x = -1;
- for (x = 0; x < vd->server->width / 16; x++) {
+ for (x = 0; x < width / 16; x++) {
if (vnc_get_bit(vs->dirty[y], x)) {
if (last_x == -1) {
last_x = x;
Don't send updates for screen areas which are outside the clients desktop. May happed with vnc clients which don't support the desktop resize message. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> --- vnc.c | 8 ++++++-- 1 files changed, 6 insertions(+), 2 deletions(-)