When device stop was moved out of reset, test device wasn't updated to
stop before reset, this resulted in a use after free. Fix by invoking
stop appropriately.
Fixes: b211616d7125 ("vhost: move -net specific code out")
Signed-off-by: Michael S. Tsirkin <mst@xxxxxxxxxx>
---
drivers/vhost/test.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/vhost/test.c b/drivers/vhost/test.c
index 04edd8db62fc..e3a8e9db22cd 100644
--- a/drivers/vhost/test.c
+++ b/drivers/vhost/test.c
@@ -170,6 +170,7 @@ static int vhost_test_release(struct inode *inode, struct file *f)
vhost_test_stop(n, &private);
vhost_test_flush(n);
+ vhost_dev_stop(&n->dev);
vhost_dev_cleanup(&n->dev);
/* We do an extra flush before freeing memory,
* since jobs can re-queue themselves. */
@@ -246,6 +247,7 @@ static long vhost_test_reset_owner(struct vhost_test *n)
}
vhost_test_stop(n, &priv);
vhost_test_flush(n);
+ vhost_dev_stop(&n->dev);
vhost_dev_reset_owner(&n->dev, umem);
done:
mutex_unlock(&n->dev.mutex);
--
MST
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