[dpdk-dev] [PATCH 1/4] vhost: fix uninitialized vhost queue

Jiayu Hu jiayu.hu at intel.com
Wed Mar 17 13:56:10 CET 2021


This patch allocates vhost queue by rte_zmalloc() to avoid
undefined values.

Fixes: 8acd7c213353 ("vhost: fix virtqueues metadata allocation")

Signed-off-by: Jiayu Hu <jiayu.hu at intel.com>
---
 lib/librte_vhost/vhost.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/librte_vhost/vhost.c b/lib/librte_vhost/vhost.c
index 52ab93d..f6fd001 100644
--- a/lib/librte_vhost/vhost.c
+++ b/lib/librte_vhost/vhost.c
@@ -598,7 +598,7 @@ alloc_vring_queue(struct virtio_net *dev, uint32_t vring_idx)
 		if (dev->virtqueue[i])
 			continue;
 
-		vq = rte_malloc(NULL, sizeof(struct vhost_virtqueue), 0);
+		vq = rte_zmalloc(NULL, sizeof(struct vhost_virtqueue), 0);
 		if (vq == NULL) {
 			VHOST_LOG_CONFIG(ERR,
 				"Failed to allocate memory for vring:%u.\n", i);
-- 
2.7.4



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