X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=engines%2Fnet.c;h=cd19535294a083eff56c97036aef75f8c4615541;hb=dac499a01d1958781e526df982d78d733f19c527;hp=7a0fe696c1b81c7ff0dba9539387a0f16c5d7bdb;hpb=e341a7f0955e04694e339a162621fe90dd8d91ff;p=fio.git

diff --git a/engines/net.c b/engines/net.c
index 7a0fe696..cd195352 100644
--- a/engines/net.c
+++ b/engines/net.c
@@ -484,6 +484,9 @@ static void store_udp_seq(struct netio_data *nd, struct io_u *io_u)
 {
 	struct udp_seq *us;
 
+	if (io_u->xfer_buflen < sizeof(*us))
+		return;
+
 	us = io_u->xfer_buf + io_u->xfer_buflen - sizeof(*us);
 	us->magic = cpu_to_le64((uint64_t) FIO_UDP_SEQ_MAGIC);
 	us->bs = cpu_to_le64((uint64_t) io_u->xfer_buflen);
@@ -496,6 +499,9 @@ static void verify_udp_seq(struct thread_data *td, struct netio_data *nd,
 	struct udp_seq *us;
 	uint64_t seq;
 
+	if (io_u->xfer_buflen < sizeof(*us))
+		return;
+
 	if (nd->seq_off)
 		return;