I mis-wrote the version on my prior missive...it should read 1.4.2 vs
1.4.6.
dan


On Wed, Aug 21, 2013 at 1:21 PM, Dan Clark <[email protected]> wrote:

> Hi folks!
>
> Some changes to the client library in 1.4.6 may be missing some cleanup in
> the error path based on the addition of a new dup() for the request_fd.
>
> In particular coroipcc.c:coroipcc_service_connect() added the following
> around line 608.
>  ipc_instance->user_app_fd = dup(request_fd);
>
> Unforuntately it may be possible under conditions such as a downed
> corosync daemon or a limited memory pool to run any of the error paths
> associated with the routine labeled starting at 'error_exit:' through
> 'error_connect:' and end up only closing request_fd, but not closing off
> the dup!
>
> I wonder if the error path could be improved by adding the following
> around line coroipcc.c:789
>
> error_connect:
> > close(ipc_instance->user_app_fd);
> close(request_fd);
>
> Additional checks may be required although on cursory inspection the
> user_app_fd should always be valid if request_fd is setup.
>
> dan
>
> --
> Dan Clark   503-915-3646
>



-- 
Dan Clark   503-915-3646
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