Re: [PATCH] rpc: Don't leak fd via CreateXMLWithFiles

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On Sat, Apr 23, 2016 at 06:52:10PM -0400, Cole Robinson wrote:
> From: Ben Gray <ben.r.gray@xxxxxxxxx>
> 
> FD passing APIs like CreateXMLWithFiles or OpenGraphicsFD will leak
> file descriptors. The user passes in an fd, which is dup()'d in
> virNetClientProgramCall. The new fd is what is transfered to the
> server virNetClientIOWriteMessage.
> 
> Once all the fds have been written though, the parent msg->fds list
> is immediately free'd, so the individual fds are never closed.
> 
> This closes each FD as its send to the server, so all fds have been
> closed by the time msg->fds is free'd.
> 
> https://bugzilla.redhat.com/show_bug.cgi?id=1159766
> Signed-off-by: Cole Robinson <crobinso@xxxxxxxxxx>
> ---

NACK, this isn't a bug, this is expected behavior.  Check the BZ for detailed
explanation.

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