This patchset fixes 2 issues with PMTU discovery that can lead to flood of retransmissions. The first patch fixes the issue for when PMTUD is disabled by the application, while the second fixes it for when its enabled.
Please consider these to stable. Thanks, Marcelo Ricardo Leitner (2): sctp: do not retransmit upon FragNeeded if PMTU discovery is disabled sctp: fix the handling of ICMP Frag Needed for too small MTUs include/net/sctp/structs.h | 2 +- net/sctp/input.c | 21 +++++++++++++++------ net/sctp/transport.c | 29 +++++++++++++++++++---------- 3 files changed, 35 insertions(+), 17 deletions(-) -- 2.14.3
