crypto/scheduler: fix strings not null terminated
authorPablo de Lara <pablo.de.lara.guarch@intel.com>
Tue, 18 Jul 2017 01:41:15 +0000 (02:41 +0100)
committerPablo de Lara <pablo.de.lara.guarch@intel.com>
Wed, 19 Jul 2017 11:10:41 +0000 (14:10 +0300)
Coverity issue: 143431
Fixes: 31439ee72b2c ("crypto/scheduler: add API implementations")
Cc: stable@dpdk.org
Signed-off-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
drivers/crypto/scheduler/rte_cryptodev_scheduler.c
drivers/crypto/scheduler/rte_cryptodev_scheduler.h

index 11d0d81..df8634a 100644 (file)
@@ -461,8 +461,22 @@ rte_cryptodev_scheduler_load_user_scheduler(uint8_t scheduler_id,
 
        sched_ctx = dev->data->dev_private;
 
+       if (strlen(scheduler->name) > RTE_CRYPTODEV_NAME_MAX_LEN - 1) {
+               CS_LOG_ERR("Invalid name %s, should be less than "
+                               "%u bytes.\n", scheduler->name,
+                               RTE_CRYPTODEV_NAME_MAX_LEN);
+               return -EINVAL;
+       }
        strncpy(sched_ctx->name, scheduler->name,
                        RTE_CRYPTODEV_SCHEDULER_NAME_MAX_LEN);
+
+       if (strlen(scheduler->description) >
+                       RTE_CRYPTODEV_SCHEDULER_DESC_MAX_LEN - 1) {
+               CS_LOG_ERR("Invalid description %s, should be less than "
+                               "%u bytes.\n", scheduler->description,
+                               RTE_CRYPTODEV_SCHEDULER_DESC_MAX_LEN - 1);
+               return -EINVAL;
+       }
        strncpy(sched_ctx->description, scheduler->description,
                        RTE_CRYPTODEV_SCHEDULER_DESC_MAX_LEN);
 
index e8d3c45..df22f2a 100644 (file)
@@ -123,6 +123,7 @@ struct rte_cryptodev_scheduler;
  *   - 0 if the scheduler is successfully loaded
  *   - -ENOTSUP if the operation is not supported.
  *   - -EBUSY if device is started.
+ *   - -EINVAL if input values are invalid.
  */
 int
 rte_cryptodev_scheduler_load_user_scheduler(uint8_t scheduler_id,