M CHANGES → CHANGES

@@ -6,6 +6,7 @@ - GBA Timers: Fix deserializing count-up timers
 Other fixes:
  - Core: Fix ELF loading regression (fixes mgba.io/i/1669)
  - Core: Fix crash modifying hash table entry (fixes mgba.io/i/1673)
+ - GBA: Reject incorrectly sized BIOSes
  - Qt: Fix OpenGL 2.1 support (fixes mgba.io/i/1678)
 Misc:
  - Qt: Disable Replace ROM option when no game loaded

M src/gba/gba.c → src/gba/gba.c

@@ -445,6 +445,10 @@ }
 
 void GBALoadBIOS(struct GBA* gba, struct VFile* vf) {
 	gba->biosVf = vf;
+	if (vf->size(vf) != SIZE_BIOS) {
+		mLOG(GBA, WARN, "Incorrect BIOS size");
+		return;
+	}
 	uint32_t* bios = vf->map(vf, SIZE_BIOS, MAP_READ);
 	if (!bios) {
 		mLOG(GBA, WARN, "Couldn't map BIOS");