@@ -81,7 +81,7 @@ typedef struct LeakyBucket {
uint64_t max; /* leaky bucket max burst in units */
double level; /* bucket level in units */
double burst_level; /* bucket level in units (for computing bursts) */
- unsigned burst_length; /* max length of the burst period, in seconds */
+ uint64_t burst_length; /* max length of the burst period, in seconds */
} LeakyBucket;
/* The following structure is used to configure a ThrottleState
@@ -354,6 +354,11 @@ bool throttle_is_valid(ThrottleConfig *cfg, Error **errp)
return false;
}
+ if (bkt->max && bkt->burst_length > THROTTLE_VALUE_MAX / bkt->max) {
+ error_setg(errp, "burst length too high for this burst rate");
+ return false;
+ }
+
if (bkt->max && !bkt->avg) {
error_setg(errp, "bps_max/iops_max require corresponding"
" bps/iops values");