From: fengchengwen <fengchengwen@huawei.com>
To: Stephen Hemminger <stephen@networkplumber.org>, <dev@dpdk.org>
Subject: Re: [PATCH v4 06/12] bus/uacce: remove memset before free
Date: Fri, 15 Nov 2024 14:04:08 +0800 [thread overview]
Message-ID: <8c05464f-e8e8-4b98-a720-7c7211667410@huawei.com> (raw)
In-Reply-To: <20241114184452.31854-7-stephen@networkplumber.org>
There is no sensitive information in dev, so
Acked-by: Chengwen Feng <fengchengwen@huawei.com>
On 2024/11/15 2:43, Stephen Hemminger wrote:
> Doing memset before free maybe removed by compiler, and
> is flagged by security scanning tools as potential problem.
> In this case the memset is unnecessary.
>
> Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
> ---
> drivers/bus/uacce/uacce.c | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/drivers/bus/uacce/uacce.c b/drivers/bus/uacce/uacce.c
> index c1529c38c0..35c1027245 100644
> --- a/drivers/bus/uacce/uacce.c
> +++ b/drivers/bus/uacce/uacce.c
> @@ -454,7 +454,6 @@ uacce_cleanup(void)
> dev->device.driver = NULL;
>
> free:
> - memset(dev, 0, sizeof(*dev));
> free(dev);
> }
>
next prev parent reply other threads:[~2024-11-15 6:04 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-11-14 1:10 [PATCH 0/3] introduce rte_memset_sensative Stephen Hemminger
2024-11-14 1:10 ` [PATCH 1/3] eal: " Stephen Hemminger
2024-11-14 1:10 ` [PATCH 2/3] crypto/qat: use rte_memset_sensative Stephen Hemminger
2024-11-14 1:10 ` [PATCH 3/3] eal: add rte_free_sensative Stephen Hemminger
2024-11-14 1:52 ` [PATCH v2 0/8] memset security handling Stephen Hemminger
2024-11-14 1:52 ` [PATCH v2 1/8] eal: introduce new secure memory fill Stephen Hemminger
2024-11-14 1:52 ` [PATCH v2 2/8] eal: add new secure free function Stephen Hemminger
2024-11-14 1:52 ` [PATCH v2 3/8] crypto/qat: force zero of keys Stephen Hemminger
2024-11-14 1:52 ` [PATCH v2 4/8] crypto/qat: fix size calculation for memset Stephen Hemminger
2024-11-14 1:52 ` [PATCH v2 5/8] crypto/qat: use secure memset Stephen Hemminger
2024-11-14 1:52 ` [PATCH v2 6/8] bus/uacce: remove memset before free Stephen Hemminger
2024-11-14 1:52 ` [PATCH v2 7/8] compress/octeontx: remove unnecessary memset Stephen Hemminger
2024-11-14 1:52 ` [PATCH v2 8/8] test: remove unneeded memset Stephen Hemminger
2024-11-14 2:35 ` [PATCH v3 00/11] memset security handling Stephen Hemminger
2024-11-14 2:35 ` [PATCH v3 01/11] eal: introduce new secure memory fill Stephen Hemminger
2024-11-14 2:35 ` [PATCH v3 02/11] eal: add new secure free function Stephen Hemminger
2024-11-14 2:35 ` [PATCH v3 03/11] crypto/qat: force zero of keys Stephen Hemminger
2024-11-14 2:35 ` [PATCH v3 04/11] crypto/qat: fix size calculation for memset Stephen Hemminger
2024-11-14 2:35 ` [PATCH v3 05/11] crypto/qat: use secure memset Stephen Hemminger
2024-11-14 2:35 ` [PATCH v3 06/11] bus/uacce: remove memset before free Stephen Hemminger
2024-11-14 2:35 ` [PATCH v3 07/11] compress/octeontx: remove unnecessary memset Stephen Hemminger
2024-11-14 2:35 ` [PATCH v3 08/11] test: remove unneeded memset Stephen Hemminger
2024-11-14 2:35 ` [PATCH v3 09/11] net/ntnic: remove unnecessary void cast Stephen Hemminger
2024-11-14 2:35 ` [PATCH v3 10/11] net/ntnic: check result of malloc Stephen Hemminger
2024-11-14 2:36 ` [PATCH v3 11/11] net/ntnic: remove unnecessary memset Stephen Hemminger
2024-11-14 18:43 ` [PATCH v4 00/12] memset security fixes Stephen Hemminger
2024-11-14 18:43 ` [PATCH v4 01/12] eal: introduce new secure memory fill Stephen Hemminger
2024-11-14 18:43 ` [PATCH v4 02/12] eal: add new secure free function Stephen Hemminger
2024-11-14 18:43 ` [PATCH v4 03/12] crypto/qat: force zero of keys Stephen Hemminger
2024-11-14 18:43 ` [PATCH v4 04/12] crypto/qat: fix size calculation for memset Stephen Hemminger
2024-11-14 18:43 ` [PATCH v4 05/12] crypto/qat: use secure memset Stephen Hemminger
2024-11-14 18:43 ` [PATCH v4 06/12] bus/uacce: remove memset before free Stephen Hemminger
2024-11-15 6:04 ` fengchengwen [this message]
2024-11-14 18:43 ` [PATCH v4 07/12] compress/octeontx: remove unnecessary memset Stephen Hemminger
2024-11-14 18:43 ` [PATCH v4 08/12] test: remove unneeded memset Stephen Hemminger
2024-11-14 18:43 ` [PATCH v4 09/12] net/ntnic: remove unnecessary void cast Stephen Hemminger
2024-11-14 18:43 ` [PATCH v4 10/12] net/ntnic: check result of malloc Stephen Hemminger
2024-11-14 18:43 ` [PATCH v4 11/12] net/ntnic: remove unnecessary memset Stephen Hemminger
2024-11-14 18:43 ` [PATCH v4 12/12] devtools/cocci: add script to find problematic memset Stephen Hemminger
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