app/testpmd: do not use a possibly NULL Pointer
Checks
Commit Message
Use out only after it was checked not to be NULL.
Fixes: 4d07cbefe3ba0 ("app/testpmd: add commands for conntrack")
Cc: stable@dpdk.org
Cc: Ori Kam <orika@nvidia.com>
Signed-off-by: Thierry Herbelot <thierry.herbelot@6wind.com>
---
app/test-pmd/cmdline_flow.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Comments
Hi Thierry,
> -----Original Message-----
> From: dev <dev-bounces@dpdk.org> On Behalf Of Thierry Herbelot
> Sent: Monday, May 24, 2021 5:02 PM
> To: dev@dpdk.org
> Cc: Thierry Herbelot <thierry.herbelot@6wind.com>; NBU-Contact-
> Thomas Monjalon <thomas@monjalon.net>; stable@dpdk.org; Ori Kam
> <orika@nvidia.com>
> Subject: [dpdk-dev] [PATCH] app/testpmd: do not use a possibly NULL
> Pointer
>
> External email: Use caution opening links or attachments
>
>
> Use out only after it was checked not to be NULL.
>
> Fixes: 4d07cbefe3ba0 ("app/testpmd: add commands for conntrack")
> Cc: stable@dpdk.org
> Cc: Ori Kam <orika@nvidia.com>
>
> Signed-off-by: Thierry Herbelot <thierry.herbelot@6wind.com>
> ---
> app/test-pmd/cmdline_flow.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/app/test-pmd/cmdline_flow.c b/app/test-
> pmd/cmdline_flow.c
> index 1c587bb7b803..7645b3cc90a1 100644
> --- a/app/test-pmd/cmdline_flow.c
> +++ b/app/test-pmd/cmdline_flow.c
> @@ -6631,10 +6631,10 @@ parse_vc_action_conntrack_update(struct
> context *ctx, const struct token *token,
> /* Token name must match. */
> if (parse_default(ctx, token, str, len, NULL, 0) < 0)
> return -1;
> - ct_modify = (struct rte_flow_modify_conntrack *)out-
> >args.vc.data;
> /* Nothing else to do if there is no buffer. */
> if (!out)
> return len;
> + ct_modify = (struct rte_flow_modify_conntrack *)out-
> >args.vc.data;
Thanks.
Will there be a segment fault if an auto-completion is done by using "tab"?
> if (ctx->curr == ACTION_CONNTRACK_UPDATE_DIR) {
> ct_modify->new_ct.is_original_dir =
> conntrack_context.is_original_dir;
> --
> 2.29.2
Reviewed-by: Bing Zhao <bingz@nvidia.com>
On 5/24/2021 2:31 PM, Thierry Herbelot wrote:
> Use out only after it was checked not to be NULL.
>
> Fixes: 4d07cbefe3ba0 ("app/testpmd: add commands for conntrack")
> Cc: stable@dpdk.org
> Cc: Ori Kam <orika@nvidia.com>
>
> Signed-off-by: Thierry Herbelot <thierry.herbelot@6wind.com>
> ---
> Acked-by: Aman Deep Singh <aman.deep.singh@intel.com
> <mailto:aman.deep.singh@intel.com>>
On 6/10/21 8:28 PM, Singh, Aman Deep wrote:
>
> On 5/24/2021 2:31 PM, Thierry Herbelot wrote:
>> Use out only after it was checked not to be NULL.
>>
>> Fixes: 4d07cbefe3ba0 ("app/testpmd: add commands for conntrack")
>> Cc: stable@dpdk.org
>> Cc: Ori Kam <orika@nvidia.com>
>>
>> Signed-off-by: Thierry Herbelot <thierry.herbelot@6wind.com>
>> ---
Acked-by: Aman Deep Singh <aman.deep.singh@intel.com>
Applied, thanks.
@@ -6631,10 +6631,10 @@ parse_vc_action_conntrack_update(struct context *ctx, const struct token *token,
/* Token name must match. */
if (parse_default(ctx, token, str, len, NULL, 0) < 0)
return -1;
- ct_modify = (struct rte_flow_modify_conntrack *)out->args.vc.data;
/* Nothing else to do if there is no buffer. */
if (!out)
return len;
+ ct_modify = (struct rte_flow_modify_conntrack *)out->args.vc.data;
if (ctx->curr == ACTION_CONNTRACK_UPDATE_DIR) {
ct_modify->new_ct.is_original_dir =
conntrack_context.is_original_dir;