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https://issues.apache.org/jira/browse/AXIS2C-881?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12555814#action_12555814
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Senaka Fernando commented on AXIS2C-881:
----------------------------------------
Hi all,
I think we are referring to this code block in,
axis2_svc_client_fill_soap_envelope
if (header_node)
{
int size = 0;
int i = 0;
size = axutil_array_list_size(svc_client->headers, env);
for (i = 0; i < size; i++)
{
axiom_node_t *node = NULL;
node = axutil_array_list_get(svc_client->headers, env, i);
if (node)
{
axiom_node_add_child(header_node, env, node);
}
}
}
This block is leading to a dangling pointer situation. While adding nodes into
the payload we have to remove it from the array_list. But, this is not
happening. The suggested modification is,
if (node)
{
axiom_node_add_child(header_node, env, node);
axutil_array_list_remove(svc_client->headers, env, i);
i--;
size--;
}
Regards,
Senaka
> Function axis2_svc_client_remove_all_headers [Alastair FETTES]
> --------------------------------------------------------------
>
> Key: AXIS2C-881
> URL: https://issues.apache.org/jira/browse/AXIS2C-881
> Project: Axis2-C
> Issue Type: Bug
> Components: core/clientapi
> Affects Versions: Current (Nightly)
> Environment: Ubuntu
> Reporter: Lahiru Gunathilake
> Fix For: Current (Nightly)
>
>
> <snippet>
> AXIS2_EXTERN
> axis2_status_t axis2_svc_client_remove_all_headers(
> axis2_svc_client_t* svc_client,
> const axutil_env_t* env)
> </snippet>
> This function does not take responsibility for the memory allocated to the
> pointers passed to it. In addition, the memory passed to the function
> axis2_svc_client_add_header through the parameter header is not de-allocated
> by this function (axis2_svc_client_remove_all_headers). This can create a
> possible memory leak. When in used in conjunction with a call to
> axis2_svc_client_send_receive_non_blocking, this is not a problem as this
> function will clean up the headers itself (this is assumed, since when you
> free the header nodes, an access violations occur when the SOAP message is
> sent and the calling function tries to free the SOAP message data, i.e. the
> header nodes).
> Solution: Document memory ownership for parameters and return value.
> Investigate potential memory leak.
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