depmod: Check amount of memories

The code does not support 65535 or more modules. Since this value is probably never reached, add a proper check after array building and do not rely solely on an assert later in code path. Signed-off-by: Tobias Stoeckmann <[email protected]>
kmod-project · Sep 30, 2024 · a431787 · a431787
1 parent 0b18e47
commit a431787
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/tools/depmod.c b/tools/depmod.c
@@ -1428,6 +1428,8 @@ static int depmod_modules_build_array(struct depmod *depmod)
 		if (err < 0)
 			return err;
 	}
+	if (depmod->modules.count >= UINT16_MAX)
+		return -ERANGE;
 
 	return 0;
 }