DPDK patches and discussions
 help / color / mirror / Atom feed
From: Andy Green <andy@warmcat.com>
To: dev@dpdk.org
Subject: [dpdk-dev] [PATCH v3 09/40] drivers/net/qede: fix broken strncpy
Date: Thu, 10 May 2018 10:47:04 +0800	[thread overview]
Message-ID: <152592042446.119328.16955838421459216166.stgit@localhost.localdomain> (raw)
In-Reply-To: <152591991920.119328.14523975619615362920.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) {

  parent reply	other threads:[~2018-05-10  2:47 UTC|newest]

Thread overview: 70+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-10  2:46 [dpdk-dev] [PATCH v3 00/40] Fix build on gcc8 and various bugs Andy Green
2018-05-10  2:46 ` [dpdk-dev] [PATCH v3 01/40] drivers/bus/pci: fix strncpy dangerous code Andy Green
2018-05-10 12:55   ` De Lara Guarch, Pablo
2018-05-10  2:46 ` [dpdk-dev] [PATCH v3 02/40] drivers/bus/dpaa: fix inconsistent struct alignment Andy Green
2018-05-10  2:46 ` [dpdk-dev] [PATCH v3 03/40] drivers/net/axgbe: fix broken eeprom string comp Andy Green
2018-05-10  2:46 ` [dpdk-dev] [PATCH v3 04/40] drivers/net/nfp/nfpcore: fix strncpy misuse Andy Green
2018-05-10  2:46 ` [dpdk-dev] [PATCH v3 05/40] drivers/net/nfp/nfpcore: fix off-by-one and no NUL on strncpy use Andy Green
2018-05-10  2:46 ` [dpdk-dev] [PATCH v3 06/40] drivers/net/nfp: don't memcpy out of source range Andy Green
2018-05-10  2:46 ` [dpdk-dev] [PATCH v3 07/40] drivers/net/nfp: fix buffer overflow in fw_name Andy Green
2018-05-10  2:46 ` [dpdk-dev] [PATCH v3 08/40] drivers/net/qede: fix strncpy constant and NUL Andy Green
2018-05-10  2:47 ` Andy Green [this message]
2018-05-10  2:47 ` [dpdk-dev] [PATCH v3 10/40] drivers/net/sfc: fix strncpy length Andy Green
2018-05-10  2:47 ` [dpdk-dev] [PATCH v3 11/40] drivers/net/sfc: fix strncpy size and NUL Andy Green
2018-05-10  2:47 ` [dpdk-dev] [PATCH v3 12/40] drivers/net/vdev: readlink inputs cannot be aliased Andy Green
2018-05-10  2:47 ` [dpdk-dev] [PATCH v3 13/40] drivers/net/vdev: fix 3 x strncpy misuse Andy Green
2018-05-10  2:47 ` [dpdk-dev] [PATCH v3 14/40] app/test-pmd: can't find include Andy Green
2018-05-10 13:50   ` De Lara Guarch, Pablo
2018-05-10  2:47 ` [dpdk-dev] [PATCH v3 15/40] app/proc-info: fix sprintf overrun bug Andy Green
2018-05-10  2:47 ` [dpdk-dev] [PATCH v3 16/40] app/test-bbdev: test-bbdev: strcpy ok for allocated string Andy Green
2018-05-10  2:47 ` [dpdk-dev] [PATCH v3 17/40] app/test-bbdev: " Andy Green
2018-05-10  2:47 ` [dpdk-dev] [PATCH v3 18/40] rte_common.h: cast gcc builtin result to avoid complaints Andy Green
2018-05-10  2:47 ` [dpdk-dev] [PATCH v3 19/40] rte_memcpy.h: explicit tmp cast Andy Green
2018-05-10  2:47 ` [dpdk-dev] [PATCH v3 20/40] lib/librte_eal/common/include/rte_lcore.h: explicit cast for signed change Andy Green
2018-05-10  2:48 ` [dpdk-dev] [PATCH v3 21/40] /lib/librte_eal/common/include/rte_random.h: stage cast from uint64_t to long Andy Green
2018-05-10  2:48 ` [dpdk-dev] [PATCH v3 22/40] rte_spinlock.h: stack declarations before code Andy Green
2018-05-10  2:48 ` [dpdk-dev] [PATCH v3 23/40] rte_ring_generic.h: " Andy Green
2018-05-10  2:48 ` [dpdk-dev] [PATCH v3 24/40] rte_ring.h: remove signed type flipflopping Andy Green
2018-05-10  2:48 ` [dpdk-dev] [PATCH v3 25/40] rte_dev.h: stack declaration at top of own basic block Andy Green
2018-05-10  2:48 ` [dpdk-dev] [PATCH v3 26/40] rte_mbuf.h: avoid truncation warnings from inadvertant int16_t to int promotion Andy Green
2018-05-10  2:48 ` [dpdk-dev] [PATCH v3 27/40] rte_mbuf.h: explicit casts for flipping between int16_t and uint16_t Andy Green
2018-05-10  2:48 ` [dpdk-dev] [PATCH v3 28/40] rte_mbuf.h: make sure RTE_MIN compares same types Andy Green
2018-05-10  2:48 ` [dpdk-dev] [PATCH v3 29/40] rte_mbuf.h: explicit cast restricting ptrdiff to uint16_t Andy Green
2018-05-10  2:48 ` [dpdk-dev] [PATCH v3 30/40] rte_mbuf.h: explicit cast for size_t to uint32_t Andy Green
2018-05-10  2:48 ` [dpdk-dev] [PATCH v3 31/40] rte_mbuf.h: explicit casts to uint16_t to avoid truncation warnings Andy Green
2018-05-10  2:49 ` [dpdk-dev] [PATCH v3 32/40] rte_byteorder.h: explicit cast for return promotion Andy Green
2018-05-10  2:49 ` [dpdk-dev] [PATCH v3 33/40] rte_ether.h: explicit cast avoiding truncation warning Andy Green
2018-05-10  2:49 ` [dpdk-dev] [PATCH v3 34/40] rte_ether.h: stack vars declared at top of function Andy Green
2018-05-10  2:49 ` [dpdk-dev] [PATCH v3 35/40] rte_ethdev.h: fix sign and scope of temp var Andy Green
2018-05-10  2:49 ` [dpdk-dev] [PATCH v3 36/40] rte_ethdev.h: explicit cast for return type Andy Green
2018-05-10 19:18   ` Stephen Hemminger
2018-05-10 23:48     ` Andy Green
2018-05-10  2:49 ` [dpdk-dev] [PATCH v3 37/40] rte_ethdev.h: explicit cast for truncation Andy Green
2018-05-10  2:49 ` [dpdk-dev] [PATCH v3 38/40] rte_hash_crc.h: stack vars declared at top of function Andy Green
2018-05-10  2:49 ` [dpdk-dev] [PATCH v3 39/40] rte_hash_crc.h: explicit casts for truncation Andy Green
2018-05-10  2:49 ` [dpdk-dev] [PATCH v3 40/40] rte_string_fns.h: explicit cast for int return to size_t Andy Green
2018-05-10 19:17   ` Stephen Hemminger
2018-05-11  0:13     ` Andy Green
2018-05-10  6:12 ` [dpdk-dev] [PATCH v3 00/40] Fix build on gcc8 and various bugs Jerin Jacob
2018-05-10  7:11   ` Andy Green
2018-05-10  9:19     ` Jerin Jacob
2018-05-10  6:17 ` Jerin Jacob
2018-05-10  6:46   ` Andy Green
2018-05-10  9:11     ` Jerin Jacob
2018-05-10 11:44       ` Andy Green
2018-05-10 11:58         ` Jerin Jacob
2018-05-10 12:13           ` Andy Green
2018-05-10 15:01             ` Stephen Hemminger
2018-05-11  0:29               ` Andy Green
2018-05-11  1:37                 ` Andy Green
2018-05-13 13:58                 ` Thomas Monjalon
2018-05-10  9:52 ` De Lara Guarch, Pablo
2018-05-10 11:57   ` Andy Green
2018-05-10 10:21 ` Luca Boccassi
2018-05-10 12:23   ` Andy Green
2018-05-10 12:35     ` Luca Boccassi
2018-05-10 13:36       ` Bruce Richardson
2018-05-10 13:49         ` Luca Boccassi
2018-05-10 13:53           ` Andy Green
2018-05-10 14:20             ` Andy Green
2018-05-10 13:59         ` 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=152592042446.119328.16955838421459216166.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).