soukjin bae reported a crash in tcp_v4_err() that we root caused to a missing initialization.
Second patch adds a sanity check in tcp_v4_err() to avoid future potential problems. Ignoring an ICMP message is probably better than crashing a machine. Eric Dumazet (2): tcp: clear icsk_backoff in tcp_write_queue_purge() tcp: tcp_v4_err() should be more careful net/ipv4/tcp.c | 2 +- net/ipv4/tcp_ipv4.c | 5 ++++- 2 files changed, 5 insertions(+), 2 deletions(-) -- 2.21.0.rc0.258.g878e2cd30e-goog
