On Tue, 2017-08-01 at 13:22 -0700, Yuchung Cheng wrote: > If the sender switches the congestion control during ECN-triggered > cwnd-reduction state (CA_CWR), upon exiting recovery cwnd is set to > the ssthresh value calculated by the previous congestion control. If > the previous congestion control is BBR that always keep ssthresh > to TCP_INIFINITE_SSTHRESH, cwnd ends up being infinite. The safe > step is to avoid assigning invalid ssthresh value when recovery ends. > > Signed-off-by: Yuchung Cheng <ych...@google.com> > Signed-off-by: Neal Cardwell <ncardw...@google.com> > --- > net/ipv4/tcp_input.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-)
Acked-by: Eric Dumazet <eduma...@google.com>
