diff options
| -rw-r--r-- | net/rds/af_rds.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/rds/af_rds.c b/net/rds/af_rds.c index fd8217404162..b405f77d664c 100644 --- a/net/rds/af_rds.c +++ b/net/rds/af_rds.c @@ -310,6 +310,9 @@ static int rds_recv_track_latency(struct rds_sock *rs, char __user *optval, if (copy_from_user(&trace, optval, sizeof(trace))) return -EFAULT; + if (trace.rx_traces > RDS_MSG_RX_DGRAM_TRACE_MAX) + return -EFAULT; + rs->rs_rx_traces = trace.rx_traces; for (i = 0; i < rs->rs_rx_traces; i++) { if (trace.rx_trace_pos[i] > RDS_MSG_RX_DGRAM_TRACE_MAX) { |