Add alignment check per CR.

H-uru · Mar 5, 2024 · 31d53e2 · 31d53e2
1 parent a10a3f7
commit 31d53e2
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/core/Util/plJPEG.cpp b/core/Util/plJPEG.cpp
@@ -193,6 +193,9 @@ void plJPEG::DecompressJPEG(hsStream* S, void* buf, size_t size)
     }
 
     // Data stored as RGB on disk but Plasma uses BGR
+    if (reinterpret_cast<uintptr_t>(buf) % sizeof(uint32_t) != 0)
+        throw hsBadParamException(__FILE__, __LINE__, "buf should be aligned on a 32-bit boundary");
+
     uint32_t* dp = reinterpret_cast<uint32_t*>(buf);
     for (size_t i=0; i<size; i += 4) {
         *dp = (*dp & 0xFF00FF00)