Use the __counted_by compiler attribute for the data[] flexible array member to improve the results of array bound sanitizers.
Signed-off-by: Javier Carrasco <[email protected]> --- The size is assigned before the first reference to the flexible array (see pkt_add()), which allows for a straightforward annotation without further modifications. --- drivers/usb/serial/garmin_gps.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/usb/serial/garmin_gps.c b/drivers/usb/serial/garmin_gps.c index 670e942fdaaa..57df6ad183ff 100644 --- a/drivers/usb/serial/garmin_gps.c +++ b/drivers/usb/serial/garmin_gps.c @@ -104,7 +104,7 @@ struct garmin_packet { int seq; /* the real size of the data array, always > 0 */ int size; - __u8 data[]; + __u8 data[] __counted_by(size); }; /* structure used to keep the current state of the driver */ --- base-commit: 0c52056d9f77508cb6d4d68d3fc91c6c08ec71af change-id: 20240619-garmin_gps_counted_by-376545960353 Best regards, -- Javier Carrasco <[email protected]>
