From: Andy Green <andy@warmcat.com>
To: dev@dpdk.org
Subject: [dpdk-dev] [PATCH v2 10/18] drivers/net/qede: fix broken strncpy
Date: Wed, 09 May 2018 09:31:41 +0800 [thread overview]
Message-ID: <152582950102.6809.5556973652593083170.stgit@localhost.localdomain> (raw)
In-Reply-To: <152582834896.6809.14521072557832633661.stgit@localhost.localdomain>
/home/agreen/projects/dpdk/drivers/net/qede/qede_main.c: In function
‘qed_slowpath_start’:
/home/agreen/projects/dpdk/drivers/net/qede/qede_main.c:307:3:
error: ‘strncpy’ output may be truncated copying 12 bytes from a
string of length 127 [-Werror=stringop-truncation]
strncpy((char *)drv_version.name, (const char *)params->name,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
MCP_DRV_VER_STR_SIZE - 4);
~~~~~~~~~~~~~~~~~~~~~~~~~
Signed-off-by: Andy Green <andy@warmcat.com>
---
drivers/net/qede/qede_main.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/net/qede/qede_main.c b/drivers/net/qede/qede_main.c
index 2333ca073..fcfc32d0d 100644
--- a/drivers/net/qede/qede_main.c
+++ b/drivers/net/qede/qede_main.c
@@ -9,6 +9,7 @@
#include <limits.h>
#include <time.h>
#include <rte_alarm.h>
+#include <rte_string_fns.h>
#include "qede_ethdev.h"
@@ -303,9 +304,9 @@ static int qed_slowpath_start(struct ecore_dev *edev,
drv_version.version = (params->drv_major << 24) |
(params->drv_minor << 16) |
(params->drv_rev << 8) | (params->drv_eng);
- /* TBD: strlcpy() */
- strncpy((char *)drv_version.name, (const char *)params->name,
- MCP_DRV_VER_STR_SIZE - 4);
+ strlcpy((char *)drv_version.name, (const char *)params->name,
+ sizeof(drv_version.name));
+ drv_version.name[sizeof(drv_version.name) - 1] = '\0';
rc = ecore_mcp_send_drv_version(hwfn, hwfn->p_main_ptt,
&drv_version);
if (rc) {
next prev parent reply other threads:[~2018-05-09 1:50 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-09 1:30 [dpdk-dev] [PATCH v2 00/18] Fix build on gcc8 and various bugs Andy Green
2018-05-09 1:30 ` [dpdk-dev] [PATCH v2 01/18] lib/libtre_table: workaround hash function cast error Andy Green
2018-05-09 1:31 ` [dpdk-dev] [PATCH v2 02/18] drivers/bus/pci: fix strncpy dangerous code Andy Green
2018-05-09 1:31 ` [dpdk-dev] [PATCH v2 03/18] drivers/bus/dpaa: fix inconsistent struct alignment Andy Green
2018-05-09 8:06 ` Hemant Agrawal
2018-05-09 1:31 ` [dpdk-dev] [PATCH v2 04/18] drivers/net/axgbe: fix broken eeprom string comp Andy Green
2018-05-09 1:31 ` [dpdk-dev] [PATCH v2 05/18] drivers/net/nfp/nfpcore: fix strncpy misuse Andy Green
2018-05-09 9:49 ` Alejandro Lucero
2018-05-09 1:31 ` [dpdk-dev] [PATCH v2 06/18] drivers/net/nfp/nfpcore: fix off-by-one and no NUL on strncpy use Andy Green
2018-05-09 9:53 ` Alejandro Lucero
2018-05-09 1:31 ` [dpdk-dev] [PATCH v2 07/18] drivers/net/nfp: don't memcpy out of source range Andy Green
2018-05-09 9:54 ` Alejandro Lucero
2018-05-09 1:31 ` [dpdk-dev] [PATCH v2 08/18] drivers/net/nfp: fix buffer overflow in fw_name Andy Green
2018-05-09 10:04 ` Alejandro Lucero
2018-05-09 1:31 ` [dpdk-dev] [PATCH v2 09/18] drivers/net/qede: fix strncpy constant and NUL Andy Green
2018-05-09 1:31 ` Andy Green [this message]
2018-05-09 1:31 ` [dpdk-dev] [PATCH v2 11/18] drivers/net/sfc: fix strncpy length Andy Green
2018-05-09 1:31 ` [dpdk-dev] [PATCH v2 12/18] drivers/net/sfc: fix strncpy size and NUL Andy Green
2018-05-09 1:31 ` [dpdk-dev] [PATCH v2 13/18] drivers/net/vdev: readlink inputs cannot be aliased Andy Green
2018-05-09 15:33 ` Stephen Hemminger
2018-05-09 1:32 ` [dpdk-dev] [PATCH v2 14/18] drivers/net/vdev: fix 3 x strncpy misuse Andy Green
2018-05-09 1:32 ` [dpdk-dev] [PATCH v2 15/18] app/test-pmd: can't find include Andy Green
2018-05-09 1:32 ` [dpdk-dev] [PATCH v2 16/18] app/proc-info: fix sprintf overrun bug Andy Green
2018-05-09 1:32 ` [dpdk-dev] [PATCH v2 17/18] app/test-bbdev: test-bbdev: strcpy ok for allocated string Andy Green
2018-05-09 1:32 ` [dpdk-dev] [PATCH v2 18/18] app/test-bbdev: " Andy Green
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