diff options
Diffstat (limited to 'drivers/net/af_packet')
| -rw-r--r-- | drivers/net/af_packet/rte_eth_af_packet.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/net/af_packet/rte_eth_af_packet.c b/drivers/net/af_packet/rte_eth_af_packet.c index ff450685..45c6519f 100644 --- a/drivers/net/af_packet/rte_eth_af_packet.c +++ b/drivers/net/af_packet/rte_eth_af_packet.c @@ -261,9 +261,16 @@ eth_dev_stop(struct rte_eth_dev *dev) sockfd = internals->rx_queue[i].sockfd; if (sockfd != -1) close(sockfd); - sockfd = internals->tx_queue[i].sockfd; - if (sockfd != -1) - close(sockfd); + + /* Prevent use after free in case tx fd == rx fd */ + if (sockfd != internals->tx_queue[i].sockfd) { + sockfd = internals->tx_queue[i].sockfd; + if (sockfd != -1) + close(sockfd); + } + + internals->rx_queue[i].sockfd = -1; + internals->tx_queue[i].sockfd = -1; } dev->data->dev_link.link_status = ETH_LINK_DOWN; |