[dpdk-dev] [PATCH] net/ixgbe: fix using heap pointer after free
dapengx.yu at intel.com
dapengx.yu at intel.com
Fri Jul 9 04:30:22 CEST 2021
From: Dapeng Yu <dapengx.yu at intel.com>
The original code use a heap pointer after it is freed.
This patch fix it.
Fixes: a14de8b498d1 ("net/ixgbe: destroy consistent filter")
Cc: stable at dpdk.org
Signed-off-by: Dapeng Yu <dapengx.yu at intel.com>
---
drivers/net/ixgbe/ixgbe_flow.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ixgbe/ixgbe_flow.c b/drivers/net/ixgbe/ixgbe_flow.c
index 0b10e91a9b..4db5ef4b2b 100644
--- a/drivers/net/ixgbe/ixgbe_flow.c
+++ b/drivers/net/ixgbe/ixgbe_flow.c
@@ -32,6 +32,7 @@
#include <rte_hash_crc.h>
#include <rte_flow.h>
#include <rte_flow_driver.h>
+#include <rte_tailq.h>
#include "ixgbe_logs.h"
#include "base/ixgbe_api.h"
@@ -3339,6 +3340,7 @@ ixgbe_flow_destroy(struct rte_eth_dev *dev,
struct ixgbe_hw_fdir_info *fdir_info =
IXGBE_DEV_PRIVATE_TO_FDIR_INFO(dev->data->dev_private);
struct ixgbe_rss_conf_ele *rss_filter_ptr;
+ void *tmp;
switch (filter_type) {
case RTE_ETH_FILTER_NTUPLE:
@@ -3432,7 +3434,7 @@ ixgbe_flow_destroy(struct rte_eth_dev *dev,
return ret;
}
- TAILQ_FOREACH(ixgbe_flow_mem_ptr, &ixgbe_flow_list, entries) {
+ TAILQ_FOREACH_SAFE(ixgbe_flow_mem_ptr, &ixgbe_flow_list, entries, tmp) {
if (ixgbe_flow_mem_ptr->flow == pmd_flow) {
TAILQ_REMOVE(&ixgbe_flow_list,
ixgbe_flow_mem_ptr, entries);
--
2.27.0
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