diff options
| author | Christoph Paasch <cpaasch@apple.com> | 2019-07-06 16:13:07 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-07-08 19:29:19 -0700 |
| commit | e858faf556d4e14c750ba1e8852783c6f9520a0e (patch) | |
| tree | fd947f61dfb523a13ff1513676705215bb1289f3 | |
| parent | cecaa76b2919aac2aa584ce476e9fcd5b084add5 (diff) | |
| download | linux-e858faf556d4e14c750ba1e8852783c6f9520a0e.tar.bz2 | |
tcp: Reset bytes_acked and bytes_received when disconnecting
If an app is playing tricks to reuse a socket via tcp_disconnect(),
bytes_acked/received needs to be reset to 0. Otherwise tcp_info will
report the sum of the current and the old connection..
Cc: Eric Dumazet <edumazet@google.com>
Fixes: 0df48c26d841 ("tcp: add tcpi_bytes_acked to tcp_info")
Fixes: bdd1f9edacb5 ("tcp: add tcpi_bytes_received to tcp_info")
Signed-off-by: Christoph Paasch <cpaasch@apple.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | net/ipv4/tcp.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index 7dc9ab84bb69..2eebd092c3c1 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -2614,6 +2614,8 @@ int tcp_disconnect(struct sock *sk, int flags) tcp_saved_syn_free(tp); tp->compressed_ack = 0; tp->bytes_sent = 0; + tp->bytes_acked = 0; + tp->bytes_received = 0; tp->bytes_retrans = 0; tp->duplicate_sack[0].start_seq = 0; tp->duplicate_sack[0].end_seq = 0; |