Fine Gary, my only worry is this is a crucial MDS issue which might get un 
noticed.
Please raise a MDS ticket referring to this ticket along with MDS logs, we will 
try to look into it.

>From AMF side, I am fine to have sanity check so ACK for the patch 

Thanks,
Ravi

-----Original Message-----
From: Gary Lee [mailto:gary....@dektech.com.au] 
Sent: Friday, March 16, 2018 6:24 PM
To: Ravi Sekhar Reddy Konda <ravisekhar.ko...@oracle.com>
Cc: hans.nordeb...@ericsson.com; minh.c...@dektech.com.au; 
opensaf-devel@lists.sourceforge.net
Subject: Re: [PATCH 1/1] amf: do not dereference null pointer [#2791]

Hi Ravi

Yes, I'm not very familiar with the mds code so I haven't fixed it there.
Should we have this sanity check in AMF anyway?

Thanks
Gary

> On 16 Mar 2018, at 11:43 pm, Ravi Sekhar Reddy Konda 
> <ravisekhar.ko...@oracle.com> wrote:
> 
> Hi Gary,
> 
> The only case I see where MDS can return NCSCC_RC_SUCCESS and still 
> sndrsp.o_rsp is NULL is in the case of Timeouts.
> In this case the fix might avoid the core, but the core problem will 
> still be there and it might affect other flows or services also I 
> think the better solution is to return NCSCC_RC_REQ_TIMOUT from the 
> MDS and let the Application handle it
> 
> Thanks,
> Ravi
> 
> -----Original Message-----
> From: Gary Lee [mailto:gary....@dektech.com.au]
> Sent: Thursday, March 01, 2018 11:02 AM
> To: hans.nordeb...@ericsson.com; ravisekhar.ko...@oracle.com; 
> minh.c...@dektech.com.au
> Cc: opensaf-devel@lists.sourceforge.net; Gary Lee 
> <gary....@dektech.com.au>
> Subject: [PATCH 1/1] amf: do not dereference null pointer [#2791]
> 
> Callers of ava_mds_send() assume *o_msg is not null, if the return code is 
> NCSCC_RC_SUCCESS.
> ---
> src/amf/agent/ava_mds.cc | 4 ++++
> 1 file changed, 4 insertions(+)
> 
> diff --git a/src/amf/agent/ava_mds.cc b/src/amf/agent/ava_mds.cc index 
> 440885332..cd139365d 100644
> --- a/src/amf/agent/ava_mds.cc
> +++ b/src/amf/agent/ava_mds.cc
> @@ -378,6 +378,10 @@ uint32_t ava_mds_send(AVA_CB *cb, AVSV_NDA_AVA_MSG 
> *i_msg,
>       /* retrieve the response */
>       *o_msg = (AVSV_NDA_AVA_MSG *)mds_info.info.svc_send.info.sndrsp.o_rsp;
>       mds_info.info.svc_send.info.sndrsp.o_rsp = 0;
> +      if (*o_msg == nullptr) {
> +        LOG_ER("No response received");
> +        rc = NCSCC_RC_FAILURE;
> +      }
>     }
>   } else
>     /* just a 'normal' send */
> --
> 2.14.1


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