On 3/27/2019 6:49 PM, Ananyev, Konstantin wrote:
> Hi Akhil,
>
>>> Fixes: 3e5f4625dc17 ("examples/ipsec-secgw: make data-path to use IPsec
>>> library")
>>> Coverity issue: 336844
>>>
>>> Signed-off-by: Konstantin Ananyev <konstantin.anan...@intel.com>
>>> ---
>>> examples/ipsec-secgw/ipsec_process.c | 11 ++++-------
>>> 1 file changed, 4 insertions(+), 7 deletions(-)
>>>
>>> diff --git a/examples/ipsec-secgw/ipsec_process.c
>>> b/examples/ipsec-secgw/ipsec_process.c
>>> index e403c461a..3f9cacb8f 100644
>>> --- a/examples/ipsec-secgw/ipsec_process.c
>>> +++ b/examples/ipsec-secgw/ipsec_process.c
>>> @@ -217,16 +217,11 @@ ipsec_process(struct ipsec_ctx *ctx, struct
>>> ipsec_traffic *trf)
>>> pg = grp + i;
>>> sa = pg->id.ptr;
>>>
>>> - /* no valid SA found */
>>> - if (sa == NULL)
>>> - k = 0;
>>> -
>>> ips = &sa->ips;
>> I think this is not fixing the NULL dereference properly. This line
>> would give fault if sa is null.
> I don't think it would - here we just get an address of ips,
> we don't try to access it.
> Konstantin
ok got it.. I missed the '&'..
>
>>> - satp = rte_ipsec_sa_type(ips->sa);
>>>
>>> /* no valid HW session for that SA, try to create one */
>>> - if (ips->crypto.ses == NULL &&
>>> - fill_ipsec_session(ips, ctx, sa) != 0)
>>> + if (sa == NULL || (ips->crypto.ses == NULL &&
>>> + fill_ipsec_session(ips, ctx, sa) != 0))
>>> k = 0;
>>>
>>> /* process packets inline */
>>> @@ -234,6 +229,8 @@ ipsec_process(struct ipsec_ctx *ctx, struct
>>> ipsec_traffic *trf)
>>> sa->type ==
>>> RTE_SECURITY_ACTION_TYPE_INLINE_PROTOCOL) {
>>>
>>> + satp = rte_ipsec_sa_type(ips->sa);
>>> +
>>> /*
>>> * This is just to satisfy inbound_sa_check()
>>> * and get_hop_for_offload_pkt().
