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 <javier.carrasco.cruz@xxxxxxxxx>
---
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 <javier.carrasco.cruz@xxxxxxxxx>
