From: Andy Green <andy@warmcat.com>
To: dev@dpdk.org
Subject: [dpdk-dev] [PATCH 07/18] drivers: net: nfp: don't memcpy out of source range
Date: Tue, 08 May 2018 12:30:03 +0800 [thread overview]
Message-ID: <152575380325.56689.12986277690208344631.stgit@localhost.localdomain> (raw)
In-Reply-To: <152575364588.56689.3300796065057551728.stgit@localhost.localdomain>
/home/agreen/projects/dpdk/drivers/net/nfp/nfp_net.c:669:2: error: ‘memcpy’ forming offset [5, 6] is out of the bounds [0, 4] of object ‘tmp’ with type ‘uint32_t’ {aka ‘unsigned int’} [-Werror=array-bounds]
memcpy(&hw->mac_addr[0], &tmp, sizeof(struct ether_addr));
---
drivers/net/nfp/nfp_net.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/nfp/nfp_net.c b/drivers/net/nfp/nfp_net.c
index 048324ec9..199aac40b 100644
--- a/drivers/net/nfp/nfp_net.c
+++ b/drivers/net/nfp/nfp_net.c
@@ -666,7 +666,7 @@ nfp_net_vf_read_mac(struct nfp_net_hw *hw)
uint32_t tmp;
tmp = rte_be_to_cpu_32(nn_cfg_readl(hw, NFP_NET_CFG_MACADDR));
- memcpy(&hw->mac_addr[0], &tmp, sizeof(struct ether_addr));
+ memcpy(&hw->mac_addr[0], &tmp, 4);
tmp = rte_be_to_cpu_32(nn_cfg_readl(hw, NFP_NET_CFG_MACADDR + 4));
memcpy(&hw->mac_addr[4], &tmp, 2);
next prev parent reply other threads:[~2018-05-08 5:05 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-08 4:29 [dpdk-dev] [PATCH 00/18] Fix build on gcc8 and various bugs Andy Green
2018-05-08 4:29 ` [dpdk-dev] [PATCH 01/18] lib: ret_table: workaround hash function cast error Andy Green
2018-05-08 4:29 ` [dpdk-dev] [PATCH 02/18] drivers: bus: pci: fix strncpy dangerous code Andy Green
2018-05-08 8:57 ` Bruce Richardson
2018-05-08 4:29 ` [dpdk-dev] [PATCH 03/18] drivers: bus: dpaa: fix inconsistent struct alignment Andy Green
2018-05-08 4:29 ` [dpdk-dev] [PATCH 04/18] drivers: net: axgbe: fix broken eeprom string comp Andy Green
2018-05-08 4:29 ` [dpdk-dev] [PATCH 05/18] drivers: net: nfp: nfpcore: fix strncpy misuse Andy Green
2018-05-08 8:58 ` Bruce Richardson
2018-05-08 9:00 ` Andy Green
2018-05-08 9:03 ` Bruce Richardson
2018-05-08 4:29 ` [dpdk-dev] [PATCH 06/18] drivers: net: nfp: nfpcore fix off-by-one and no NUL on strncpy use Andy Green
2018-05-08 4:30 ` Andy Green [this message]
2018-05-08 4:30 ` [dpdk-dev] [PATCH 08/18] drivers: net: nfp: fix buffer overflow in fw_name Andy Green
2018-05-08 4:30 ` [dpdk-dev] [PATCH 09/18] drivers: net: qede: fix strncpy constant and NUL Andy Green
2018-05-08 17:59 ` Shaikh, Shahed
2018-05-08 19:53 ` Bruce Richardson
2018-05-08 20:02 ` Shaikh, Shahed
2018-05-08 22:07 ` Andy Green
2018-05-08 23:33 ` Shaikh, Shahed
2018-05-08 4:30 ` [dpdk-dev] [PATCH 10/18] drivers: net: qede: fix broken strncpy Andy Green
2018-05-08 4:30 ` [dpdk-dev] [PATCH 11/18] drivers:net:sfc: fix strncpy length Andy Green
2018-05-08 4:30 ` [dpdk-dev] [PATCH 12/18] drivers: net: sfc: fix another strncpy size and NUL Andy Green
2018-05-08 7:36 ` Andrew Rybchenko
2018-05-08 8:18 ` Andy Green
2018-05-08 9:02 ` Bruce Richardson
2018-05-08 9:08 ` Andrew Rybchenko
2018-05-08 4:30 ` [dpdk-dev] [PATCH 13/18] drivers: net: vdev: readlink inputs cannot be aliased Andy Green
2018-05-08 4:30 ` [dpdk-dev] [PATCH 14/18] drivers: net: vdev: fix 3 x strncpy misuse Andy Green
2018-05-08 4:30 ` [dpdk-dev] [PATCH 15/18] test-pmd: can't find include Andy Green
2018-05-08 4:30 ` [dpdk-dev] [PATCH 16/18] app: fix sprintf overrun bug Andy Green
2018-05-08 4:30 ` [dpdk-dev] [PATCH 17/18] app: test-bbdev: strcpy ok for allocated string Andy Green
2018-05-08 4:30 ` [dpdk-dev] [PATCH 18/18] app: test-bbdev: strcpy ok for allocated string 2 Andy Green
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=152575380325.56689.12986277690208344631.stgit@localhost.localdomain \
--to=andy@warmcat.com \
--cc=dev@dpdk.org \
/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).