[dpdk-dev] [PATCH 3/3] vhost: fix possible out of bound access
Ferruh Yigit
ferruh.yigit at intel.com
Sun Oct 28 02:08:46 CET 2018
Fixes: d7280c9fffcb ("vhost: support selective datapath")
Cc: stable at dpdk.org
Signed-off-by: Ferruh Yigit <ferruh.yigit at intel.com>
---
lib/librte_vhost/vdpa.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/lib/librte_vhost/vdpa.c b/lib/librte_vhost/vdpa.c
index c2c5dff1d..e7d849ee0 100644
--- a/lib/librte_vhost/vdpa.c
+++ b/lib/librte_vhost/vdpa.c
@@ -63,6 +63,9 @@ rte_vdpa_register_device(struct rte_vdpa_dev_addr *addr,
break;
}
+ if (i == MAX_VHOST_DEVICE)
+ return -1;
+
sprintf(device_name, "vdpa-dev-%d", i);
dev = rte_zmalloc(device_name, sizeof(struct rte_vdpa_device),
RTE_CACHE_LINE_SIZE);
--
2.17.2
More information about the dev
mailing list