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path: root/drivers/vhost/vhost.c
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Diffstat (limited to 'drivers/vhost/vhost.c')
-rw-r--r--drivers/vhost/vhost.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index c569b6454a9d..4c5625cb540c 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -28,6 +28,7 @@
#include <linux/module.h>
#include <linux/sort.h>
#include <linux/interval_tree_generic.h>
+#include <linux/nospec.h>
#include "vhost.h"
@@ -1289,6 +1290,7 @@ long vhost_vring_ioctl(struct vhost_dev *d, int ioctl, void __user *argp)
if (idx >= d->nvqs)
return -ENOBUFS;
+ idx = array_index_nospec(idx, d->nvqs);
vq = d->vqs[idx];
mutex_lock(&vq->mutex);