Signed-off-by: Frediano Ziglio <fzig...@redhat.com>
---
 server/display-channel.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/server/display-channel.c b/server/display-channel.c
index 108e69b..3290565 100644
--- a/server/display-channel.c
+++ b/server/display-channel.c
@@ -1968,6 +1968,7 @@ void display_channel_process_surface_cmd(DisplayChannel 
*display, RedSurfaceCmd
         }
         data = surface->u.surface_create.data;
         if (stride < 0) {
+            /* no worry for overflow here, command is already validated */
             data -= (int32_t)(stride * (height - 1));
         }
         display_channel_create_surface(display, surface_id, 
surface->u.surface_create.width,
-- 
2.7.4

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