From: Jon Maloy <jon.ma...@ericsson.com> Date: Mon, 18 Dec 2017 20:03:05 +0100
> When, during a join operation, or during message transmission, a group > member needs to be added to the group's 'congested' list, we sort it > into the list in ascending order, according to its current advertised > window size. However, we miss the case when the member is already on > that list. This will have the result that the member, after the window > size has been decremented, might be at the wrong position in that list. > This again may have the effect that we during broadcast and multicast > transmissions miss the fact that a destination is not yet ready for > reception, and we end up sending anyway. From this point on, the > behavior during the remaining session is unpredictable, e.g., with > underflowing window sizes. > > We now correct this bug by unconditionally removing the member from > the list before (re-)sorting it in. > > Signed-off-by: Jon Maloy <jon.ma...@ericsson.com> Applied, thanks Jon.