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| author | Christoph Paasch <cpaasch@apple.com> | 2019-07-06 16:13:07 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-07-28 08:28:33 +0200 |
| commit | 2527ea8f115cdd0b1e8fc5cb161ff7d1a7a99351 (patch) | |
| tree | 4c746b9c6e290736b1609aa1e3d1360eac05face | |
| parent | dfc9148309629cd5c1f8252153496195dfc31045 (diff) | |
| download | linux-stable-2527ea8f115cdd0b1e8fc5cb161ff7d1a7a99351.tar.gz linux-stable-2527ea8f115cdd0b1e8fc5cb161ff7d1a7a99351.tar.bz2 linux-stable-2527ea8f115cdd0b1e8fc5cb161ff7d1a7a99351.zip | |
tcp: Reset bytes_acked and bytes_received when disconnecting
[ Upstream commit e858faf556d4e14c750ba1e8852783c6f9520a0e ]
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -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 05fa7b7aee1e..caac580e1f1d 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -2630,6 +2630,8 @@ 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; |