[PATCH 3/3] crypto/ipsec_mb: fix tainted data for session
Ciara Power
ciara.power at intel.com
Fri Dec 10 15:09:52 CET 2021
Downcasting a void * to struct aesni_gcm_session * caused the session
data to be treated as tainted.
Removing the void * temporary variable and adding a cast avoids this
issue.
Coverity issue: 374377
Fixes: 746825e5c0ea ("crypto/ipsec_mb: move aesni_gcm PMD")
Cc: piotrx.bronowski at intel.com
Cc: stable at dpdk.org
Signed-off-by: Ciara Power <ciara.power at intel.com>
---
drivers/crypto/ipsec_mb/pmd_aesni_gcm.c | 8 +++-----
1 file changed, 3 insertions(+), 5 deletions(-)
diff --git a/drivers/crypto/ipsec_mb/pmd_aesni_gcm.c b/drivers/crypto/ipsec_mb/pmd_aesni_gcm.c
index 2c203795ab..e5ad629fe5 100644
--- a/drivers/crypto/ipsec_mb/pmd_aesni_gcm.c
+++ b/drivers/crypto/ipsec_mb/pmd_aesni_gcm.c
@@ -713,19 +713,17 @@ aesni_gcm_process_bulk(struct rte_cryptodev *dev,
__rte_unused union rte_crypto_sym_ofs ofs,
struct rte_crypto_sym_vec *vec)
{
- void *sess_priv;
struct aesni_gcm_session *s;
struct gcm_context_data gdata_ctx;
IMB_MGR *mb_mgr;
- sess_priv = get_sym_session_private_data(sess, dev->driver_id);
- if (unlikely(sess_priv == NULL)) {
+ s = (struct aesni_gcm_session *) get_sym_session_private_data(sess,
+ dev->driver_id);
+ if (unlikely(s == NULL)) {
aesni_gcm_fill_error_code(vec, EINVAL);
return 0;
}
- s = sess_priv;
-
/* get per-thread MB MGR, create one if needed */
mb_mgr = get_per_thread_mb_mgr();
if (unlikely(mb_mgr == NULL))
--
2.25.1
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