diff options
Diffstat (limited to 'hw/display/vmware_vga.c')
-rw-r--r-- | hw/display/vmware_vga.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/hw/display/vmware_vga.c b/hw/display/vmware_vga.c index 63a7c05512..a26e62ea8b 100644 --- a/hw/display/vmware_vga.c +++ b/hw/display/vmware_vga.c @@ -563,7 +563,10 @@ static inline int vmsvga_fifo_length(struct vmsvga_state_s *s) if (CMD(min) < (uint8_t *) s->cmd->fifo - (uint8_t *) s->fifo) { return 0; } - if (CMD(max) > SVGA_FIFO_SIZE) { + if (CMD(max) > SVGA_FIFO_SIZE || + CMD(min) >= SVGA_FIFO_SIZE || + CMD(stop) >= SVGA_FIFO_SIZE || + CMD(next_cmd) >= SVGA_FIFO_SIZE) { return 0; } if (CMD(max) < CMD(min) + 10 * 1024) { |