[dpdk-dev] [PATCH v2] crypto/octeontx: fix coverity issues
Anoob Joseph
anoob.joseph at caviumnetworks.com
Mon Nov 12 19:14:12 CET 2018
Coverity Issue: 323492
If the length of string pointed by 'name' is equal to or greater than
the sizeof cptvf->dev_name string, the resultant string will not be
null terminated. Using strlcpy would make sure the string would always
be null terminated.
Fixes: 0dc1cffa4d33 ("crypto/octeontx: add hardware init routine")
Coverity Issue: 323489
Fix null pointer dereferencing
Fixes: bfe2ae495ee2 ("crypto/octeontx: add PMD skeleton")
Coverity Issue: 323486
The function otx_cpt_get_resource() would be setting the pointer
'instance'. In case of error, 'instance' would be set to NULL, and
returns rte_errno. If rte_errno when 'instance' is set to NULL, it can
lead to NULL pointer dereferencing.
Fixes: 0961348fdf52 ("crypto/octeontx: add queue pair functions")
Signed-off-by: Ankur Dwivedi <ankur.dwivedi at caviumnetworks.com>
Signed-off-by: Anoob Joseph <anoob.joseph at caviumnetworks.com>
---
v2:
* Squashed three commits to one
drivers/crypto/octeontx/otx_cryptodev.c | 2 +-
drivers/crypto/octeontx/otx_cryptodev_hw_access.c | 5 ++++-
drivers/crypto/octeontx/otx_cryptodev_ops.c | 2 +-
3 files changed, 6 insertions(+), 3 deletions(-)
diff --git a/drivers/crypto/octeontx/otx_cryptodev.c b/drivers/crypto/octeontx/otx_cryptodev.c
index 269f045..b201e0a 100644
--- a/drivers/crypto/octeontx/otx_cryptodev.c
+++ b/drivers/crypto/octeontx/otx_cryptodev.c
@@ -100,8 +100,8 @@ otx_cpt_pci_remove(struct rte_pci_device *pci_dev)
if (rte_eal_process_type() == RTE_PROC_PRIMARY)
rte_free(cryptodev->data->dev_private);
- cryptodev->device = NULL;
cryptodev->device->driver = NULL;
+ cryptodev->device = NULL;
cryptodev->data = NULL;
/* free metapool memory */
diff --git a/drivers/crypto/octeontx/otx_cryptodev_hw_access.c b/drivers/crypto/octeontx/otx_cryptodev_hw_access.c
index 5e705a8..18f2e6b 100644
--- a/drivers/crypto/octeontx/otx_cryptodev_hw_access.c
+++ b/drivers/crypto/octeontx/otx_cryptodev_hw_access.c
@@ -9,6 +9,7 @@
#include <rte_common.h>
#include <rte_errno.h>
#include <rte_memzone.h>
+#include <rte_string_fns.h>
#include "otx_cryptodev_hw_access.h"
#include "otx_cryptodev_mbox.h"
@@ -366,7 +367,9 @@ otx_cpt_hw_init(struct cpt_vf *cptvf, void *pdev, void *reg_base, char *name)
/* Bar0 base address */
cptvf->reg_base = reg_base;
- strncpy(cptvf->dev_name, name, 32);
+
+ /* Save device name */
+ strlcpy(cptvf->dev_name, name, (sizeof(cptvf->dev_name)));
cptvf->pdev = pdev;
diff --git a/drivers/crypto/octeontx/otx_cryptodev_ops.c b/drivers/crypto/octeontx/otx_cryptodev_ops.c
index 23f9659..90d0c14 100644
--- a/drivers/crypto/octeontx/otx_cryptodev_ops.c
+++ b/drivers/crypto/octeontx/otx_cryptodev_ops.c
@@ -216,7 +216,7 @@ otx_cpt_que_pair_setup(struct rte_cryptodev *dev,
}
ret = otx_cpt_get_resource(cptvf, 0, &instance);
- if (ret != 0) {
+ if (ret != 0 || instance == NULL) {
CPT_LOG_ERR("Error getting instance handle from device %s : "
"ret = %d", dev->data->name, ret);
return ret;
--
2.7.4
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