From: Nicolas Chautru <nicolas.chautru@intel.com>
To: dev@dpdk.org, maxime.coquelin@redhat.com
Cc: hernan.vargas@intel.com, stable@dpdk.org,
Nicolas Chautru <nicolas.chautru@intel.com>
Subject: [PATCH v2 6/9] baseband/acc: fix potential arithmetic overflow
Date: Fri, 10 Feb 2023 17:58:38 +0000 [thread overview]
Message-ID: <20230210175841.303450-7-nicolas.chautru@intel.com> (raw)
In-Reply-To: <20230210175841.303450-1-nicolas.chautru@intel.com>
Fix potential issue of overflow causing coverity warning.
Coverity issue: 383154
Fixes: 8e16839937 ("baseband/acc: extension of the device structure")
Cc: stable@dpdk.org
Signed-off-by: Nicolas Chautru <nicolas.chautru@intel.com>
Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>
---
drivers/baseband/acc/rte_vrb_pmd.c | 2 +-
drivers/baseband/acc/vrb_pmd.h | 1 +
2 files changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/baseband/acc/rte_vrb_pmd.c b/drivers/baseband/acc/rte_vrb_pmd.c
index ccd3adaf93..82dbfcaa53 100644
--- a/drivers/baseband/acc/rte_vrb_pmd.c
+++ b/drivers/baseband/acc/rte_vrb_pmd.c
@@ -518,7 +518,7 @@ vrb_setup_queues(struct rte_bbdev *dev, uint16_t num_queues, int socket_id)
if (d->tail_ptrs == NULL)
d->tail_ptrs = rte_zmalloc_socket(
dev->device->driver->name,
- d->num_qgroups * d->num_aqs * sizeof(uint32_t),
+ VRB_MAX_QGRPS * VRB_MAX_AQS * sizeof(uint32_t),
RTE_CACHE_LINE_SIZE, socket_id);
if (d->tail_ptrs == NULL) {
rte_bbdev_log(ERR, "Failed to allocate tail ptr for %s:%u",
diff --git a/drivers/baseband/acc/vrb_pmd.h b/drivers/baseband/acc/vrb_pmd.h
index f3c9239881..01028273e7 100644
--- a/drivers/baseband/acc/vrb_pmd.h
+++ b/drivers/baseband/acc/vrb_pmd.h
@@ -36,6 +36,7 @@
#define VRB_NUM_ACCS 6
#define VRB_MAX_QGRPS 32
+#define VRB_MAX_AQS 32
#define ACC_STATUS_WAIT 10
#define ACC_STATUS_TO 100
--
2.34.1
next prev parent reply other threads:[~2023-02-10 18:02 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20230209221929.265059-1-nicolas.chautru@intel.com>
2023-02-09 22:19 ` [PATCH v1 1/9] baseband/acc: protection for TB negative scenario Nicolas Chautru
2023-02-10 8:17 ` Maxime Coquelin
2023-02-10 17:28 ` Chautru, Nicolas
2023-02-10 17:58 ` [PATCH v2 0/9] baseband/acc: VRB PMD fixes Nicolas Chautru
2023-02-10 17:58 ` [PATCH v2 1/9] baseband/acc: protection for TB negative scenario Nicolas Chautru
2023-02-23 8:56 ` Maxime Coquelin
2023-02-23 17:25 ` Chautru, Nicolas
2023-02-10 17:58 ` [PATCH v2 2/9] baseband/acc: remove interrupt support on VRB1 Nicolas Chautru
2023-02-10 17:58 ` [PATCH v2 3/9] baseband/acc: add explicit mbuf append for soft output Nicolas Chautru
2023-02-22 11:20 ` Maxime Coquelin
2023-02-10 17:58 ` [PATCH v2 4/9] baseband/acc: prevent to dequeue more than requested Nicolas Chautru
2023-02-10 17:58 ` [PATCH v2 5/9] baseband/acc: fix iteration counter in TB mode Nicolas Chautru
2023-02-10 17:58 ` Nicolas Chautru [this message]
2023-02-10 17:58 ` [PATCH v2 7/9] baseband/acc: add support for 4GUL CRC drop in VRB PMD Nicolas Chautru
2023-02-10 17:58 ` [PATCH v2 8/9] baseband/acc: add support for 4GUL with SO and TB Nicolas Chautru
2023-02-10 17:58 ` [PATCH v2 9/9] baseband/acc: remove printf from PMD function Nicolas Chautru
2023-02-23 9:28 ` [PATCH v2 0/9] baseband/acc: VRB PMD fixes Maxime Coquelin
2023-02-09 22:19 ` [PATCH v1 2/9] baseband/acc: add support for 4GUL with SO and TB Nicolas Chautru
2023-02-10 8:30 ` Maxime Coquelin
2023-02-10 17:29 ` Chautru, Nicolas
2023-02-09 22:19 ` [PATCH v1 3/9] baseband/acc: remove interrupt support on VRB1 Nicolas Chautru
2023-02-10 8:31 ` Maxime Coquelin
2023-02-09 22:19 ` [PATCH v1 4/9] baseband/acc: add explicit mbuf apend for soft output Nicolas Chautru
2023-02-10 8:40 ` Maxime Coquelin
2023-02-10 17:35 ` Chautru, Nicolas
2023-02-09 22:19 ` [PATCH v1 5/9] baseband/acc: prevent to dequeue more than requested Nicolas Chautru
2023-02-10 9:39 ` Maxime Coquelin
2023-02-09 22:19 ` [PATCH v1 6/9] baseband/acc: fix iteration counter in TB mode Nicolas Chautru
2023-02-10 9:40 ` Maxime Coquelin
2023-02-09 22:19 ` [PATCH v1 7/9] baseband/acc: fix potential arithmetic overflow Fix potential issue of overflow causing coverity warning Nicolas Chautru
2023-02-10 9:41 ` Maxime Coquelin
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