diff options
| author |   Florin Coras <fcoras@cisco.com> | 2020-11-05 13:39:48 -0800 |
|---|---|---|
| committer | Florin Coras <fcoras@cisco.com> | 2020-11-05 13:58:52 -0800 |
| commit | 1f85dad1e5f85b049c1bf829aca7aa6ad0b4fc70 (patch) | |
| tree | d6a13c179b6fdee328945289d038568dd1839087 | |
| parent | c4e6cd088909466a7c13d2ec72a9107d75125da9 (diff) | |
tcp: avoid consuming trailing bytes
Thanks to Shaligram Prakash <Shaligram.Prakash@enea.com> for reporting.
Type: fix
Signed-off-by: Florin Coras <fcoras@cisco.com>
Change-Id: I135d23957a0dbb56a30994dfe3a316efd1eabad1
| -rw-r--r-- | src/vnet/tcp/tcp_input.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/vnet/tcp/tcp_input.c b/src/vnet/tcp/tcp_input.c index ce1c9d5ff10..305e2d34461 100644 --- a/src/vnet/tcp/tcp_input.c +++ b/src/vnet/tcp/tcp_input.c @@ -1298,6 +1298,10 @@ tcp_segment_rcv (tcp_worker_ctx_t * wrk, tcp_connection_t * tc, ASSERT (n_data_bytes); tc->data_segs_in += 1; + /* Make sure we don't consume trailing bytes */ + if (PREDICT_FALSE (b->current_length != n_data_bytes)) + b->current_length = n_data_bytes; + /* Handle out-of-order data */ if (PREDICT_FALSE (vnet_buffer (b)->tcp.seq_number != tc->rcv_nxt)) { |