[ http://issues.apache.org/jira/browse/AXIS2C-73?page=all ]
Samisa Abeysinghe updated AXIS2C-73:
------------------------------------
Summary: Double deletion in releasing memory in wsdl_component struct
(was: Doble deletion in releasing memory in wsdl_component struct)
Fixed typo!
> Double deletion in releasing memory in wsdl_component struct
> ------------------------------------------------------------
>
> Key: AXIS2C-73
> URL: http://issues.apache.org/jira/browse/AXIS2C-73
> Project: Axis2-C
> Type: Bug
> Components: wsdl
> Versions: M0.4
> Reporter: Samisa Abeysinghe
>
> When there are multiple services, the modules desc pointers are set as
> properties in wsdl_component struct.
> When conf free is called, the multiple services try to free the same module
> desc pointer. (see following trace)
> This happens because of the way we handle properties in wsdl_component with a
> callback to free memory.
> We have to tidy this up to make sure we release the memory as well as do not
> do that multiple times to the same pointer.
> The better way to handle this is to use a "property" struct and store those
> properties in the hash of wsdl_component.
> the property would look like
> struct property
> {
> void *value; /*defaults to NULL*/
> axis2_scope_t scope; /*defaults to local, mening we have to free this
> here*/
> free_callback_fn_ptr; /*defaults to NULL, if null and scope is local,
> then use AXIS2_FREE*/
> }
> ==18138== Invalid read of size 4
> ==18138== at 0x1B979B14: axis2_module_desc_free (module_desc.c:294)
> ==18138== by 0x1B979DF4: axis2_module_desc_array_list_free
> (module_desc.c:350)
> ==18138== by 0x1B93EFD8: axis2_wsdl_component_free (wsdl_component.c:183)
> ==18138== by 0x1B93DF87: axis2_wsdl_svc_free (wsdl_svc.c:169)
> ==18138== by 0x1B975571: axis2_svc_free (svc.c:543)
> ==18138== by 0x1B97C945: axis2_svc_grp_free (svc_grp.c:287)
> ==18138== by 0x1B95FE2D: axis2_conf_free (conf.c:604)
> ==18138== by 0x1B9AF35F: axis2_call_free (call.c:291)
> ==18138== by 0x1B9B33A7: axis2_stub_free (stub.c:342)
> ==18138== by 0x804946E: main (math_client.c:141)
> ==18138== Address 0x1BA735C8 is 24 bytes inside a block of size 28 free'd
> ==18138== at 0x1B909743: free (vg_replace_malloc.c:152)
> ==18138== by 0x1B979BE1: axis2_module_desc_free (module_desc.c:316)
> ==18138== by 0x1B979DF4: axis2_module_desc_array_list_free
> (module_desc.c:350)
> ==18138== by 0x1B93EFD8: axis2_wsdl_component_free (wsdl_component.c:183)
> ==18138== by 0x1B93DF87: axis2_wsdl_svc_free (wsdl_svc.c:169)
> ==18138== by 0x1B975571: axis2_svc_free (svc.c:543)
> ==18138== by 0x1B97C945: axis2_svc_grp_free (svc_grp.c:287)
> ==18138== by 0x1B95FE2D: axis2_conf_free (conf.c:604)
> ==18138== by 0x1B9AF35F: axis2_call_free (call.c:291)
> ==18138== by 0x1B9B33A7: axis2_stub_free (stub.c:342)
> ==18138== by 0x804946E: main (math_client.c:141)
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