From d2f5174dd045da53395939cd55a0f6e2821f6dcf Mon Sep 17 00:00:00 2001 From: Florin Coras Date: Fri, 24 Jul 2020 09:49:46 -0700 Subject: [PATCH] tcp: fix synack elog crash The elog track, if enabled, must be initalized before synack is sent. Type: fix Signed-off-by: Ivan Shvedunov Signed-off-by: Florin Coras Change-Id: I0c585f466c9a5cbc13af971ae4951b93f9913c5f --- src/vnet/tcp/tcp_input.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/src/vnet/tcp/tcp_input.c b/src/vnet/tcp/tcp_input.c index bdaa28ec3d0..b8c889ee1cc 100644 --- a/src/vnet/tcp/tcp_input.c +++ b/src/vnet/tcp/tcp_input.c @@ -2640,10 +2640,11 @@ tcp46_listen_inline (vlib_main_t * vm, vlib_node_runtime_t * node, child->tx_fifo_size = transport_tx_fifo_size (&child->connection); - tcp_send_synack (child); - + /* This initializes elog track, must be done before synack */ TCP_EVT (TCP_EVT_SYN_RCVD, child, 1); + tcp_send_synack (child); + done: if (PREDICT_FALSE (b->flags & VLIB_BUFFER_IS_TRACED)) -- 2.16.6