diff mbox

[dpdk-dev] examples/ip_pipeline: fix buffer not null terminated

Message ID 1524070690-12000-4-git-send-email-reshma.pattan@intel.com (mailing list archive)
State Accepted, archived
Delegated to: Cristian Dumitrescu
Headers show

Checks

Context Check Description
ci/checkpatch success coding style OK
ci/Intel-compilation success Compilation OK

Commit Message

Pattan, Reshma April 18, 2018, 4:58 p.m. UTC
Copying source string of length equal to sizeof(profile->name)
will not append the NULL in destination.

Using strlcpy in place of strncpy fixes this issue as
strlcpy guarantees NULL termination.

Coverity issue: 272580
Fixes: 719374345c ("examples/ip_pipeline: add action profile objects")
CC: jasvinder.singh@intel.com

Signed-off-by: Reshma Pattan <reshma.pattan@intel.com>
---
 examples/ip_pipeline/action.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

Comments

Singh, Jasvinder April 19, 2018, 8:35 a.m. UTC | #1
> -----Original Message-----
> From: Pattan, Reshma
> Sent: Wednesday, April 18, 2018 5:58 PM
> To: dev@dpdk.org
> Cc: Singh, Jasvinder <jasvinder.singh@intel.com>; Pattan, Reshma
> <reshma.pattan@intel.com>
> Subject: [PATCH] examples/ip_pipeline: fix buffer not null terminated
> 
> Copying source string of length equal to sizeof(profile->name) will not append
> the NULL in destination.
> 
> Using strlcpy in place of strncpy fixes this issue as strlcpy guarantees NULL
> termination.
> 
> Coverity issue: 272580
> Fixes: 719374345c ("examples/ip_pipeline: add action profile objects")
> CC: jasvinder.singh@intel.com
> 
> Signed-off-by: Reshma Pattan <reshma.pattan@intel.com>
> ---
>  examples/ip_pipeline/action.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/examples/ip_pipeline/action.c b/examples/ip_pipeline/action.c
> index 77a04fe19..d2cd7286c 100644
> --- a/examples/ip_pipeline/action.c
> +++ b/examples/ip_pipeline/action.c
> @@ -6,6 +6,8 @@
>  #include <stdlib.h>
>  #include <string.h>
> 
> +#include <rte_string_fns.h>
> +
>  #include "action.h"
>  #include "hash_func.h"
> 
> @@ -345,7 +347,7 @@ table_action_profile_create(const char *name,
>  	}
> 
>  	/* Node fill in */
> -	strncpy(profile->name, name, sizeof(profile->name));
> +	strlcpy(profile->name, name, sizeof(profile->name));
>  	memcpy(&profile->params, params, sizeof(*params));
>  	profile->ap = ap;
> 
> --
> 2.14.3
Reviewed-by: Jasvinder Singh <jasvinder.singh@intel.com>
diff mbox

Patch

diff --git a/examples/ip_pipeline/action.c b/examples/ip_pipeline/action.c
index 77a04fe19..d2cd7286c 100644
--- a/examples/ip_pipeline/action.c
+++ b/examples/ip_pipeline/action.c
@@ -6,6 +6,8 @@ 
 #include <stdlib.h>
 #include <string.h>
 
+#include <rte_string_fns.h>
+
 #include "action.h"
 #include "hash_func.h"
 
@@ -345,7 +347,7 @@  table_action_profile_create(const char *name,
 	}
 
 	/* Node fill in */
-	strncpy(profile->name, name, sizeof(profile->name));
+	strlcpy(profile->name, name, sizeof(profile->name));
 	memcpy(&profile->params, params, sizeof(*params));
 	profile->ap = ap;