[v2,35/44] crypto/scheduler: fix segment fault when parse devargs

Message ID 20230320092110.37295-36-fengchengwen@huawei.com (mailing list archive)
State Changes Requested, archived
Delegated to: Thomas Monjalon
Headers
Series fix segment fault when parse args |

Checks

Context Check Description
ci/checkpatch success coding style OK

Commit Message

fengchengwen March 20, 2023, 9:21 a.m. UTC
  The rte_kvargs_process() was used to parse KV pairs, it also supports
to parse 'only keys' (e.g. socket_id) type. And the callback function
parameter 'value' is NULL when parsed 'only keys'.

This patch fixes segment fault when parse input args with 'only keys'.

Fixes: 503e9c5afb38 ("crypto/scheduler: register as vdev driver")
Fixes: 4c07e0552f0a ("crypto/scheduler: add multicore scheduling mode")
Fixes: a0e805ee086a ("crypto/scheduler: add more options")
Fixes: ee9586dd15fb ("crypto/scheduler: add mode-specific parameter")
Cc: stable@dpdk.org

Signed-off-by: Chengwen Feng <fengchengwen@huawei.com>
---
 drivers/crypto/scheduler/scheduler_pmd.c | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
  

Patch

diff --git a/drivers/crypto/scheduler/scheduler_pmd.c b/drivers/crypto/scheduler/scheduler_pmd.c
index 9d1ce46622..7fa8bef4f2 100644
--- a/drivers/crypto/scheduler/scheduler_pmd.c
+++ b/drivers/crypto/scheduler/scheduler_pmd.c
@@ -272,6 +272,9 @@  parse_integer_arg(const char *key __rte_unused,
 {
 	int *i = (int *) extra_args;
 
+	if (value == NULL)
+		return -EINVAL;
+
 	*i = atoi(value);
 	if (*i < 0) {
 		CR_SCHED_LOG(ERR, "Argument has to be positive.");
@@ -338,6 +341,9 @@  parse_corelist_arg(const char *key __rte_unused,
 {
 	struct scheduler_init_params *params = extra_args;
 
+	if (value == NULL)
+		return -EINVAL;
+
 	params->nb_wc = 0;
 
 	const char *token = value;
@@ -367,6 +373,9 @@  parse_name_arg(const char *key __rte_unused,
 {
 	struct rte_cryptodev_pmd_init_params *params = extra_args;
 
+	if (value == NULL)
+		return -EINVAL;
+
 	if (strlen(value) >= RTE_CRYPTODEV_NAME_MAX_LEN - 1) {
 		CR_SCHED_LOG(ERR, "Invalid name %s, should be less than "
 				"%u bytes.", value,
@@ -386,6 +395,9 @@  parse_worker_arg(const char *key __rte_unused,
 {
 	struct scheduler_init_params *param = extra_args;
 
+	if (value == NULL)
+		return -EINVAL;
+
 	if (param->nb_workers >= RTE_CRYPTODEV_SCHEDULER_MAX_NB_WORKERS) {
 		CR_SCHED_LOG(ERR, "Too many workers.");
 		return -ENOMEM;
@@ -404,6 +416,9 @@  parse_mode_arg(const char *key __rte_unused,
 	struct scheduler_init_params *param = extra_args;
 	uint32_t i;
 
+	if (value == NULL)
+		return -EINVAL;
+
 	for (i = 0; i < RTE_DIM(scheduler_mode_map); i++) {
 		if (strcmp(value, scheduler_mode_map[i].name) == 0) {
 			param->mode = (enum rte_cryptodev_scheduler_mode)
@@ -427,6 +442,9 @@  parse_mode_param_arg(const char *key __rte_unused,
 {
 	struct scheduler_init_params *param = extra_args;
 
+	if (value == NULL)
+		return -EINVAL;
+
 	strlcpy(param->mode_param_str, value,
 			RTE_CRYPTODEV_SCHEDULER_NAME_MAX_LEN);
 
@@ -440,6 +458,9 @@  parse_ordering_arg(const char *key __rte_unused,
 	struct scheduler_init_params *param = extra_args;
 	uint32_t i;
 
+	if (value == NULL)
+		return -EINVAL;
+
 	for (i = 0; i < RTE_DIM(scheduler_ordering_map); i++) {
 		if (strcmp(value, scheduler_ordering_map[i].name) == 0) {
 			param->enable_ordering =