* [dpdk-dev] [PATCH] net/ice: fix illegal pointer access when removing mac filter
@ 2021-04-02 13:52 Wenwu Ma
2021-04-13 6:30 ` Peng, ZhihongX
0 siblings, 1 reply; 3+ messages in thread
From: Wenwu Ma @ 2021-04-02 13:52 UTC (permalink / raw)
To: qiming.yang, qi.z.zhang; +Cc: dev
When removing the mac filter in ice_remove_all_mac_vlan_filters(),
TAILQ_FOREACH_SAFE should be used instead of TAILQ_FOREACH,
Otherwise, it will result in a illegal pointer access.
Fixes: e0dcf94a0d7f ("net/ice: support VLAN ops")
Cc: stable@dpdk.org
Signed-off-by: Wenwu Ma <wenwux.ma@intel.com>
---
drivers/net/ice/ice_ethdev.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ice/ice_ethdev.c b/drivers/net/ice/ice_ethdev.c
index 9c9b84a93..785750d9b 100644
--- a/drivers/net/ice/ice_ethdev.c
+++ b/drivers/net/ice/ice_ethdev.c
@@ -10,6 +10,8 @@
#include <sys/stat.h>
#include <unistd.h>
+#include <rte_tailq.h>
+
#include "base/ice_sched.h"
#include "base/ice_flow.h"
#include "base/ice_dcb.h"
@@ -1094,12 +1096,13 @@ ice_remove_all_mac_vlan_filters(struct ice_vsi *vsi)
{
struct ice_mac_filter *m_f;
struct ice_vlan_filter *v_f;
+ void *temp;
int ret = 0;
if (!vsi || !vsi->mac_num)
return -EINVAL;
- TAILQ_FOREACH(m_f, &vsi->mac_list, next) {
+ TAILQ_FOREACH_SAFE(m_f, &vsi->mac_list, next, temp) {
ret = ice_remove_mac_filter(vsi, &m_f->mac_info.mac_addr);
if (ret != ICE_SUCCESS) {
ret = -EINVAL;
@@ -1110,7 +1113,7 @@ ice_remove_all_mac_vlan_filters(struct ice_vsi *vsi)
if (vsi->vlan_num == 0)
return 0;
- TAILQ_FOREACH(v_f, &vsi->vlan_list, next) {
+ TAILQ_FOREACH_SAFE(v_f, &vsi->vlan_list, next, temp) {
ret = ice_remove_vlan_filter(vsi, &v_f->vlan_info.vlan);
if (ret != ICE_SUCCESS) {
ret = -EINVAL;
--
2.25.1
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [dpdk-dev] [PATCH] net/ice: fix illegal pointer access when removing mac filter
2021-04-02 13:52 [dpdk-dev] [PATCH] net/ice: fix illegal pointer access when removing mac filter Wenwu Ma
@ 2021-04-13 6:30 ` Peng, ZhihongX
2021-04-13 6:40 ` Zhang, Qi Z
0 siblings, 1 reply; 3+ messages in thread
From: Peng, ZhihongX @ 2021-04-13 6:30 UTC (permalink / raw)
To: Ma, WenwuX, Yang, Qiming, Zhang, Qi Z; +Cc: dev
-----Original Message-----
From: dev <dev-bounces@dpdk.org> On Behalf Of Wenwu Ma
Sent: Friday, April 2, 2021 9:53 PM
To: Yang, Qiming <qiming.yang@intel.com>; Zhang, Qi Z <qi.z.zhang@intel.com>
Cc: dev@dpdk.org
Subject: [dpdk-dev] [PATCH] net/ice: fix illegal pointer access when removing mac filter
When removing the mac filter in ice_remove_all_mac_vlan_filters(),
TAILQ_FOREACH_SAFE should be used instead of TAILQ_FOREACH, Otherwise, it will result in a illegal pointer access.
Fixes: e0dcf94a0d7f ("net/ice: support VLAN ops")
Cc: stable@dpdk.org
Signed-off-by: Wenwu Ma <wenwux.ma@intel.com>
---
drivers/net/ice/ice_ethdev.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ice/ice_ethdev.c b/drivers/net/ice/ice_ethdev.c index 9c9b84a93..785750d9b 100644
--- a/drivers/net/ice/ice_ethdev.c
+++ b/drivers/net/ice/ice_ethdev.c
@@ -10,6 +10,8 @@
#include <sys/stat.h>
#include <unistd.h>
+#include <rte_tailq.h>
+
#include "base/ice_sched.h"
#include "base/ice_flow.h"
#include "base/ice_dcb.h"
@@ -1094,12 +1096,13 @@ ice_remove_all_mac_vlan_filters(struct ice_vsi *vsi) {
struct ice_mac_filter *m_f;
struct ice_vlan_filter *v_f;
+ void *temp;
int ret = 0;
if (!vsi || !vsi->mac_num)
return -EINVAL;
- TAILQ_FOREACH(m_f, &vsi->mac_list, next) {
+ TAILQ_FOREACH_SAFE(m_f, &vsi->mac_list, next, temp) {
ret = ice_remove_mac_filter(vsi, &m_f->mac_info.mac_addr);
if (ret != ICE_SUCCESS) {
ret = -EINVAL;
@@ -1110,7 +1113,7 @@ ice_remove_all_mac_vlan_filters(struct ice_vsi *vsi)
if (vsi->vlan_num == 0)
return 0;
- TAILQ_FOREACH(v_f, &vsi->vlan_list, next) {
+ TAILQ_FOREACH_SAFE(v_f, &vsi->vlan_list, next, temp) {
ret = ice_remove_vlan_filter(vsi, &v_f->vlan_info.vlan);
if (ret != ICE_SUCCESS) {
ret = -EINVAL;
--
2.25.1
Tested-by: Peng Zhihong <zhihongx.peng@intel.com>
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [dpdk-dev] [PATCH] net/ice: fix illegal pointer access when removing mac filter
2021-04-13 6:30 ` Peng, ZhihongX
@ 2021-04-13 6:40 ` Zhang, Qi Z
0 siblings, 0 replies; 3+ messages in thread
From: Zhang, Qi Z @ 2021-04-13 6:40 UTC (permalink / raw)
To: Peng, ZhihongX, Ma, WenwuX, Yang, Qiming; +Cc: dev
> -----Original Message-----
> From: Peng, ZhihongX <zhihongx.peng@intel.com>
> Sent: Tuesday, April 13, 2021 2:30 PM
> To: Ma, WenwuX <wenwux.ma@intel.com>; Yang, Qiming
> <qiming.yang@intel.com>; Zhang, Qi Z <qi.z.zhang@intel.com>
> Cc: dev@dpdk.org
> Subject: RE: [dpdk-dev] [PATCH] net/ice: fix illegal pointer access when
> removing mac filter
>
> -----Original Message-----
> From: dev <dev-bounces@dpdk.org> On Behalf Of Wenwu Ma
> Sent: Friday, April 2, 2021 9:53 PM
> To: Yang, Qiming <qiming.yang@intel.com>; Zhang, Qi Z
> <qi.z.zhang@intel.com>
> Cc: dev@dpdk.org
> Subject: [dpdk-dev] [PATCH] net/ice: fix illegal pointer access when removing
> mac filter
>
> When removing the mac filter in ice_remove_all_mac_vlan_filters(),
> TAILQ_FOREACH_SAFE should be used instead of TAILQ_FOREACH, Otherwise,
> it will result in a illegal pointer access.
>
> Fixes: e0dcf94a0d7f ("net/ice: support VLAN ops")
> Cc: stable@dpdk.org
>
> Signed-off-by: Wenwu Ma <wenwux.ma@intel.com>
> Tested-by: Peng Zhihong <zhihongx.peng@intel.com>
Applied to dpdk-next-net-intel.
Thanks
Qi
^ permalink raw reply [flat|nested] 3+ messages in thread
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2021-04-13 6:30 ` Peng, ZhihongX
2021-04-13 6:40 ` Zhang, Qi Z
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