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Diffstat (limited to 'hw')
-rw-r--r--hw/vmware_vga.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/hw/vmware_vga.c b/hw/vmware_vga.c
index cdc1a05b0c..e70936913d 100644
--- a/hw/vmware_vga.c
+++ b/hw/vmware_vga.c
@@ -562,6 +562,13 @@ static void vmsvga_fifo_run(struct vmsvga_state_s *s)
cursor.height = y = vmsvga_fifo_read(s);
vmsvga_fifo_read(s);
cursor.bpp = vmsvga_fifo_read(s);
+
+ if (SVGA_BITMAP_SIZE(x, y) > sizeof cursor.mask ||
+ SVGA_PIXMAP_SIZE(x, y, cursor.bpp) > sizeof cursor.image) {
+ args = SVGA_BITMAP_SIZE(x, y) + SVGA_PIXMAP_SIZE(x, y, cursor.bpp);
+ goto badcmd;
+ }
+
for (args = 0; args < SVGA_BITMAP_SIZE(x, y); args ++)
cursor.mask[args] = vmsvga_fifo_read_raw(s);
for (args = 0; args < SVGA_PIXMAP_SIZE(x, y, cursor.bpp); args ++)