[RFC 02/47] net/nfp: fix use after free

[RFC 02/47] net/nfp: fix use after free

[Stephen Hemminger]

The code to cleanup metering was using the objects after calling
rte_free(). Can fix now by using LIST_FOREACH_SAFE().

Fixes: 2caf84a71cfd ("net/nfp: add meter options")
Cc: jin.liu@corigine.com
Cc: stable@dpdk.org

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
---
 drivers/net/nfp/nfp_mtr.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/net/nfp/nfp_mtr.c b/drivers/net/nfp/nfp_mtr.c
index d4f2c4f2f0..904d2126e7 100644
--- a/drivers/net/nfp/nfp_mtr.c
+++ b/drivers/net/nfp/nfp_mtr.c
@@ -1124,10 +1124,10 @@ nfp_mtr_priv_init(struct nfp_pf_dev *pf_dev)
 void
 nfp_mtr_priv_uninit(struct nfp_pf_dev *pf_dev)
 {
-	struct nfp_mtr *mtr;
+	struct nfp_mtr *mtr, *tmp_mtr;
 	struct nfp_mtr_priv *priv;
-	struct nfp_mtr_policy *mtr_policy;
-	struct nfp_mtr_profile *mtr_profile;
+	struct nfp_mtr_policy *mtr_policy, *tmp_policy;
+	struct nfp_mtr_profile *mtr_profile, *tmp_profile;
 	struct nfp_app_fw_flower *app_fw_flower;
 
 	app_fw_flower = NFP_PRIV_TO_APP_FW_FLOWER(pf_dev->app_fw_priv);
@@ -1135,17 +1135,17 @@ nfp_mtr_priv_uninit(struct nfp_pf_dev *pf_dev)
 
 	rte_eal_alarm_cancel(nfp_mtr_stats_request, (void *)app_fw_flower);
 
-	LIST_FOREACH(mtr, &priv->mtrs, next) {
+	LIST_FOREACH_SAFE(mtr, &priv->mtrs, next, tmp_mtr) {
 		LIST_REMOVE(mtr, next);
 		rte_free(mtr);
 	}
 
-	LIST_FOREACH(mtr_profile, &priv->profiles, next) {
+	LIST_FOREACH_SAFE(mtr_profile, &priv->profiles, next, tmp_profile) {
 		LIST_REMOVE(mtr_profile, next);
 		rte_free(mtr_profile);
 	}
 
-	LIST_FOREACH(mtr_policy, &priv->policies, next) {
+	LIST_FOREACH_SAFE(mtr_policy, &priv->policies, next, tmp_policy) {
 		LIST_REMOVE(mtr_policy, next);
 		rte_free(mtr_policy);
 	}
-- 
2.47.2

[RFC 23/47] net/bnxt: remove use of sys/queue.h

[Stephen Hemminger]

Fix unsafe use after free by using STAILQ_FOREACH_SAFE.

Fixes: e8fe0e067b68 ("net/bnxt: fix allocation of PF info struct")
Cc: ajit.khaparde@broadcom.com
Cc: stable@dpdk.org

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
---
 drivers/net/bnxt/bnxt.h                  | 1 -
 drivers/net/bnxt/bnxt_filter.c           | 7 +++----
 drivers/net/bnxt/bnxt_flow.c             | 1 -
 drivers/net/bnxt/bnxt_vnic.h             | 1 -
 drivers/net/bnxt/tf_ulp/bnxt_ulp.h       | 1 -
 drivers/net/bnxt/tf_ulp/bnxt_ulp_meter.c | 1 -
 6 files changed, 3 insertions(+), 9 deletions(-)

diff --git a/drivers/net/bnxt/bnxt.h b/drivers/net/bnxt/bnxt.h
index c9fdd36d3e..e9099a3ff2 100644
--- a/drivers/net/bnxt/bnxt.h
+++ b/drivers/net/bnxt/bnxt.h
@@ -9,7 +9,6 @@
 #include <inttypes.h>
 #include <stdbool.h>
 #include <pthread.h>
-#include <sys/queue.h>
 
 #include <rte_pci.h>
 #include <bus_pci_driver.h>
diff --git a/drivers/net/bnxt/bnxt_filter.c b/drivers/net/bnxt/bnxt_filter.c
index 7b90ba651f..4c44506daa 100644
--- a/drivers/net/bnxt/bnxt_filter.c
+++ b/drivers/net/bnxt/bnxt_filter.c
@@ -3,8 +3,7 @@
  * All rights reserved.
  */
 
-#include <sys/queue.h>
-
+#include <bsd_queue.h>
 #include <rte_byteorder.h>
 #include <rte_log.h>
 #include <rte_malloc.h>
@@ -110,7 +109,7 @@ void bnxt_free_all_filters(struct bnxt *bp)
 
 void bnxt_free_filter_mem(struct bnxt *bp)
 {
-	struct bnxt_filter_info *filter;
+	struct bnxt_filter_info *filter, *tmp;
 	uint16_t max_filters, i;
 	int rc = 0;
 
@@ -151,7 +150,7 @@ void bnxt_free_filter_mem(struct bnxt *bp)
 	bp->filter_info = NULL;
 
 	for (i = 0; i < bp->pf->max_vfs; i++) {
-		STAILQ_FOREACH(filter, &bp->pf->vf_info[i].filter, next) {
+		STAILQ_FOREACH_SAFE(filter, &bp->pf->vf_info[i].filter, next, tmp) {
 			rte_free(filter);
 			STAILQ_REMOVE(&bp->pf->vf_info[i].filter, filter,
 				      bnxt_filter_info, next);
diff --git a/drivers/net/bnxt/bnxt_flow.c b/drivers/net/bnxt/bnxt_flow.c
index a2e590540b..d3da309254 100644
--- a/drivers/net/bnxt/bnxt_flow.c
+++ b/drivers/net/bnxt/bnxt_flow.c
@@ -3,7 +3,6 @@
  * All rights reserved.
  */
 
-#include <sys/queue.h>
 
 #include <rte_log.h>
 #include <rte_malloc.h>
diff --git a/drivers/net/bnxt/bnxt_vnic.h b/drivers/net/bnxt/bnxt_vnic.h
index 5a4fd4ecb7..be232df2e7 100644
--- a/drivers/net/bnxt/bnxt_vnic.h
+++ b/drivers/net/bnxt/bnxt_vnic.h
@@ -6,7 +6,6 @@
 #ifndef _BNXT_VNIC_H_
 #define _BNXT_VNIC_H_
 
-#include <sys/queue.h>
 #include <stdbool.h>
 #include <rte_hash.h>
 
diff --git a/drivers/net/bnxt/tf_ulp/bnxt_ulp.h b/drivers/net/bnxt/tf_ulp/bnxt_ulp.h
index e0e31532fd..f8c46186fe 100644
--- a/drivers/net/bnxt/tf_ulp/bnxt_ulp.h
+++ b/drivers/net/bnxt/tf_ulp/bnxt_ulp.h
@@ -8,7 +8,6 @@
 
 #include <inttypes.h>
 #include <stdbool.h>
-#include <sys/queue.h>
 
 #include "rte_version.h"
 #include "rte_ethdev.h"
diff --git a/drivers/net/bnxt/tf_ulp/bnxt_ulp_meter.c b/drivers/net/bnxt/tf_ulp/bnxt_ulp_meter.c
index 591bde96e8..cd97bc6635 100644
--- a/drivers/net/bnxt/tf_ulp/bnxt_ulp_meter.c
+++ b/drivers/net/bnxt/tf_ulp/bnxt_ulp_meter.c
@@ -4,7 +4,6 @@
  */
 
 #include <math.h>
-#include <sys/queue.h>
 
 #include <rte_log.h>
 #include <rte_malloc.h>
-- 
2.47.2

[PATCH v2 01/43] net/nfp: fix use after free

[Stephen Hemminger]

The code to cleanup metering was using the objects after calling
rte_free(). Fix by using LISTFOREACH_SAFE

Fixes: 2caf84a71cfd ("net/nfp: add meter options")
Cc: jin.liu@corigine.com
Cc: stable@dpdk.org

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
---
 drivers/net/nfp/nfp_mtr.c | 19 +++++++++++++------
 1 file changed, 13 insertions(+), 6 deletions(-)

diff --git a/drivers/net/nfp/nfp_mtr.c b/drivers/net/nfp/nfp_mtr.c
index d4f2c4f2f0..4833ebd881 100644
--- a/drivers/net/nfp/nfp_mtr.c
+++ b/drivers/net/nfp/nfp_mtr.c
@@ -12,6 +12,13 @@
 #include "flower/nfp_flower_representor.h"
 #include "nfp_logs.h"
 
+#ifndef LIST_FOREACH_SAFE
+#define	LIST_FOREACH_SAFE(var, head, field, tvar)			\
+	for ((var) = LIST_FIRST((head));				\
+	    (var) && ((tvar) = LIST_NEXT((var), field), 1);		\
+	    (var) = (tvar))
+#endif
+
 #define NFP_MAX_POLICY_CNT             NFP_MAX_MTR_CNT
 #define NFP_MAX_PROFILE_CNT            NFP_MAX_MTR_CNT
 
@@ -1124,10 +1131,10 @@ nfp_mtr_priv_init(struct nfp_pf_dev *pf_dev)
 void
 nfp_mtr_priv_uninit(struct nfp_pf_dev *pf_dev)
 {
-	struct nfp_mtr *mtr;
+	struct nfp_mtr *mtr, *tmp_mtr;
 	struct nfp_mtr_priv *priv;
-	struct nfp_mtr_policy *mtr_policy;
-	struct nfp_mtr_profile *mtr_profile;
+	struct nfp_mtr_policy *mtr_policy, *tmp_policy;
+	struct nfp_mtr_profile *mtr_profile, *tmp_profile;
 	struct nfp_app_fw_flower *app_fw_flower;
 
 	app_fw_flower = NFP_PRIV_TO_APP_FW_FLOWER(pf_dev->app_fw_priv);
@@ -1135,17 +1142,17 @@ nfp_mtr_priv_uninit(struct nfp_pf_dev *pf_dev)
 
 	rte_eal_alarm_cancel(nfp_mtr_stats_request, (void *)app_fw_flower);
 
-	LIST_FOREACH(mtr, &priv->mtrs, next) {
+	LIST_FOREACH_SAFE(mtr, &priv->mtrs, next, tmp_mtr) {
 		LIST_REMOVE(mtr, next);
 		rte_free(mtr);
 	}
 
-	LIST_FOREACH(mtr_profile, &priv->profiles, next) {
+	LIST_FOREACH_SAFE(mtr_profile, &priv->profiles, next, tmp_profile) {
 		LIST_REMOVE(mtr_profile, next);
 		rte_free(mtr_profile);
 	}
 
-	LIST_FOREACH(mtr_policy, &priv->policies, next) {
+	LIST_FOREACH_SAFE(mtr_policy, &priv->policies, next, tmp_policy) {
 		LIST_REMOVE(mtr_policy, next);
 		rte_free(mtr_policy);
 	}
-- 
2.47.2

[PATCH v2 15/43] net/bnxt: remove use of sys/queue.h

[Stephen Hemminger]

Fix unsafe use after free by using STAILQ_FOREACH_SAFE.

Fixes: e8fe0e067b68 ("net/bnxt: fix allocation of PF info struct")
Cc: ajit.khaparde@broadcom.com
Cc: stable@dpdk.org

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
---
 drivers/net/bnxt/bnxt.h                  | 1 -
 drivers/net/bnxt/bnxt_filter.c           | 7 +++----
 drivers/net/bnxt/bnxt_flow.c             | 1 -
 drivers/net/bnxt/bnxt_vnic.h             | 1 -
 drivers/net/bnxt/tf_ulp/bnxt_ulp.h       | 1 -
 drivers/net/bnxt/tf_ulp/bnxt_ulp_meter.c | 1 -
 6 files changed, 3 insertions(+), 9 deletions(-)

diff --git a/drivers/net/bnxt/bnxt.h b/drivers/net/bnxt/bnxt.h
index c9fdd36d3e..e9099a3ff2 100644
--- a/drivers/net/bnxt/bnxt.h
+++ b/drivers/net/bnxt/bnxt.h
@@ -9,7 +9,6 @@
 #include <inttypes.h>
 #include <stdbool.h>
 #include <pthread.h>
-#include <sys/queue.h>
 
 #include <rte_pci.h>
 #include <bus_pci_driver.h>
diff --git a/drivers/net/bnxt/bnxt_filter.c b/drivers/net/bnxt/bnxt_filter.c
index 7b90ba651f..0176b9f7cf 100644
--- a/drivers/net/bnxt/bnxt_filter.c
+++ b/drivers/net/bnxt/bnxt_filter.c
@@ -3,8 +3,7 @@
  * All rights reserved.
  */
 
-#include <sys/queue.h>
-
+#include <rte_bsd_queue.h>
 #include <rte_byteorder.h>
 #include <rte_log.h>
 #include <rte_malloc.h>
@@ -110,7 +109,7 @@ void bnxt_free_all_filters(struct bnxt *bp)
 
 void bnxt_free_filter_mem(struct bnxt *bp)
 {
-	struct bnxt_filter_info *filter;
+	struct bnxt_filter_info *filter, *tmp;
 	uint16_t max_filters, i;
 	int rc = 0;
 
@@ -151,7 +150,7 @@ void bnxt_free_filter_mem(struct bnxt *bp)
 	bp->filter_info = NULL;
 
 	for (i = 0; i < bp->pf->max_vfs; i++) {
-		STAILQ_FOREACH(filter, &bp->pf->vf_info[i].filter, next) {
+		STAILQ_FOREACH_SAFE(filter, &bp->pf->vf_info[i].filter, next, tmp) {
 			rte_free(filter);
 			STAILQ_REMOVE(&bp->pf->vf_info[i].filter, filter,
 				      bnxt_filter_info, next);
diff --git a/drivers/net/bnxt/bnxt_flow.c b/drivers/net/bnxt/bnxt_flow.c
index a2e590540b..d3da309254 100644
--- a/drivers/net/bnxt/bnxt_flow.c
+++ b/drivers/net/bnxt/bnxt_flow.c
@@ -3,7 +3,6 @@
  * All rights reserved.
  */
 
-#include <sys/queue.h>
 
 #include <rte_log.h>
 #include <rte_malloc.h>
diff --git a/drivers/net/bnxt/bnxt_vnic.h b/drivers/net/bnxt/bnxt_vnic.h
index 5a4fd4ecb7..be232df2e7 100644
--- a/drivers/net/bnxt/bnxt_vnic.h
+++ b/drivers/net/bnxt/bnxt_vnic.h
@@ -6,7 +6,6 @@
 #ifndef _BNXT_VNIC_H_
 #define _BNXT_VNIC_H_
 
-#include <sys/queue.h>
 #include <stdbool.h>
 #include <rte_hash.h>
 
diff --git a/drivers/net/bnxt/tf_ulp/bnxt_ulp.h b/drivers/net/bnxt/tf_ulp/bnxt_ulp.h
index e0e31532fd..f8c46186fe 100644
--- a/drivers/net/bnxt/tf_ulp/bnxt_ulp.h
+++ b/drivers/net/bnxt/tf_ulp/bnxt_ulp.h
@@ -8,7 +8,6 @@
 
 #include <inttypes.h>
 #include <stdbool.h>
-#include <sys/queue.h>
 
 #include "rte_version.h"
 #include "rte_ethdev.h"
diff --git a/drivers/net/bnxt/tf_ulp/bnxt_ulp_meter.c b/drivers/net/bnxt/tf_ulp/bnxt_ulp_meter.c
index 591bde96e8..cd97bc6635 100644
--- a/drivers/net/bnxt/tf_ulp/bnxt_ulp_meter.c
+++ b/drivers/net/bnxt/tf_ulp/bnxt_ulp_meter.c
@@ -4,7 +4,6 @@
  */
 
 #include <math.h>
-#include <sys/queue.h>
 
 #include <rte_log.h>
 #include <rte_malloc.h>
-- 
2.47.2