fix(tools): gbagfx potential oob read

sbird · sbird · commit aed2c721ad94 · 2025-07-21T17:30:59.000+02:00
diff --git a/tools/gbagfx/main.c b/tools/gbagfx/main.c
@@ -333,6 +333,8 @@ void HandleJascToGbaPaletteCommand(char *inputPath, char *outputPath, int argc,
 
             if (numColors < 1)
                 FATAL_ERROR("Number of colors must be positive.\n");
+            if (numColors > 256)
+                FATAL_ERROR("Number of colors must be less than 256.\n");
         }
         else
         {

Original file line number	Diff line number	Diff line change
`@@ -333,6 +333,8 @@ void HandleJascToGbaPaletteCommand(char inputPath, char outputPath, int argc,`
`333`	`333`
`334`	`334`	`if (numColors < 1)`
`335`	`335`	`FATAL_ERROR("Number of colors must be positive.\n");`
	`336`	`+ if (numColors > 256)`
	`337`	`+ FATAL_ERROR("Number of colors must be less than 256.\n");`
`336`	`338`	`}`
`337`	`339`	`else`
`338`	`340`	`{`