fix(ppa): add checks for input to avoid any OOB access

2026-10-02 03:00:34 +03:00 · 2026-07-24 15:43:03 +08:00
parent d7dff00514
commit f57f4ffa58
5 changed files with 49 additions and 21 deletions
@@ -84,6 +84,7 @@ extern "C" {
 #define DMA2D_LL_CHANNEL_PERIPH_SEL_BIT_WIDTH      (3)

 #define DMA2D_LL_DESC_ALIGNMENT 8 // Descriptor must be aligned to 8 bytes
+#define DMA2D_LL_DESC_2D_FIELD_MAX 0x3FFFU // 2D descriptor width/height/coordinate fields are 14-bit

 ///////////////////////////////////// Common /////////////////////////////////////////
 /**