diff options
| author | Dan Carpenter <dan.carpenter@oracle.com> | 2021-06-29 11:25:13 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-06-29 21:49:44 +0300 |
| commit | ecd89c02da85f724a2d24bc5a7e28043cc24b5d7 (patch) | |
| tree | 01e114b8af6a1b8944f3b5b7196df9df9631700d | |
| parent | 66f1546dfd7debe50fc056a84b97f2a56c2d769d (diff) | |
| download | linux-ecd89c02da85f724a2d24bc5a7e28043cc24b5d7.tar.xz | |
gve: DQO: Fix off by one in gve_rx_dqo()
The rx->dqo.buf_states[] array is allocated in gve_rx_alloc_ring_dqo()
and it has rx->dqo.num_buf_states so this > needs to >= to prevent an
out of bounds access.
Fixes: 9b8dd5e5ea48 ("gve: DQO: Add RX path")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ethernet/google/gve/gve_rx_dqo.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/ethernet/google/gve/gve_rx_dqo.c b/drivers/net/ethernet/google/gve/gve_rx_dqo.c index 8738db020061..77bb8227f89b 100644 --- a/drivers/net/ethernet/google/gve/gve_rx_dqo.c +++ b/drivers/net/ethernet/google/gve/gve_rx_dqo.c @@ -525,7 +525,7 @@ static int gve_rx_dqo(struct napi_struct *napi, struct gve_rx_ring *rx, struct gve_priv *priv = rx->gve; u16 buf_len; - if (unlikely(buffer_id > rx->dqo.num_buf_states)) { + if (unlikely(buffer_id >= rx->dqo.num_buf_states)) { net_err_ratelimited("%s: Invalid RX buffer_id=%u\n", priv->dev->name, buffer_id); return -EINVAL; |