DPDK patches and discussions
 help / color / mirror / Atom feed
From: Ajit Khaparde <ajit.khaparde@broadcom.com>
To: dev@dpdk.org
Cc: thomas@monjalon.net,
	Peter Spreadborough <peter.spreadborough@broadcom.com>
Subject: [PATCH 08/11] net/bnxt: address coverity overflow issues
Date: Wed,  5 Feb 2025 09:20:01 -0800	[thread overview]
Message-ID: <20250205172004.50395-9-ajit.khaparde@broadcom.com> (raw)
In-Reply-To: <20250205172004.50395-1-ajit.khaparde@broadcom.com>

From: Peter Spreadborough <peter.spreadborough@broadcom.com>

This change addresses the CID 449058: Integer handling issues
(OVERFLOW_BEFORE_WIDEN) reported by coverity.

Coverity issue: 449058
Signed-off-by: Peter Spreadborough <peter.spreadborough@broadcom.com>
Reviewed-by: Ajit Khaparde <ajit.khaparde@broadcom.com>
---
 drivers/net/bnxt/tf_core/v3/tfc_tbl_scope.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/bnxt/tf_core/v3/tfc_tbl_scope.c b/drivers/net/bnxt/tf_core/v3/tfc_tbl_scope.c
index 1770069295..c29933b803 100644
--- a/drivers/net/bnxt/tf_core/v3/tfc_tbl_scope.c
+++ b/drivers/net/bnxt/tf_core/v3/tfc_tbl_scope.c
@@ -468,7 +468,7 @@ static int alloc_link_pbl(struct tfc_ts_mem_cfg *mem_cfg, uint32_t page_size,
 	 * and page tables. The allocation will occur once only per backing
 	 * store and will located by name and reused on subsequent runs.
 	 */
-	total_size = page_size * total_pages;
+	total_size = (uint64_t)page_size * (uint64_t)total_pages;
 
 	if (total_size <= (1024 * 256))
 		mz_size = RTE_MEMZONE_256KB;
-- 
2.39.5 (Apple Git-154)


  parent reply	other threads:[~2025-02-05 17:20 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-02-05 17:19 [PATCH 00/11] bnxt patch set Ajit Khaparde
2025-02-05 17:19 ` [PATCH 01/11] net/bnxt: disable TruFlow if compressed CQE is set Ajit Khaparde
2025-02-05 17:19 ` [PATCH 02/11] net/bnxt: simplify check for CQE mode Ajit Khaparde
2025-02-05 17:19 ` [PATCH 03/11] net/bnxt: fix Rx handler Ajit Khaparde
2025-02-05 17:19 ` [PATCH 04/11] net/bnxt: set burst handler correctly Ajit Khaparde
2025-02-05 17:19 ` [PATCH 05/11] net/bnxt/truFlow: Fix seg fault when rep are re-attached Ajit Khaparde
2025-02-05 17:19 ` [PATCH 06/11] net/bnxt: address coverity deadcode issue Ajit Khaparde
2025-02-05 17:20 ` [PATCH 07/11] net/bnxt: address coverity checked return issues Ajit Khaparde
2025-02-05 17:20 ` Ajit Khaparde [this message]
2025-02-05 17:20 ` [PATCH 09/11] net/bnxt: address coverity integer overflow issues Ajit Khaparde
2025-02-05 17:20 ` [PATCH 10/11] net/bnxt: address coverity uninitialized variables issues Ajit Khaparde
2025-02-05 17:20 ` [PATCH 11/11] net/bnxt: address coverity control flow issues Ajit Khaparde

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20250205172004.50395-9-ajit.khaparde@broadcom.com \
    --to=ajit.khaparde@broadcom.com \
    --cc=dev@dpdk.org \
    --cc=peter.spreadborough@broadcom.com \
    --cc=thomas@monjalon.net \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).