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-rw-r--r--src/vnet/tcp/tcp_input.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/vnet/tcp/tcp_input.c b/src/vnet/tcp/tcp_input.c
index 62dcdc5e711..63d6fd8785b 100644
--- a/src/vnet/tcp/tcp_input.c
+++ b/src/vnet/tcp/tcp_input.c
@@ -2163,7 +2163,8 @@ tcp46_syn_sent_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
drop:
b0->error = error0 ? node->errors[error0] : 0;
- if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
+ if (PREDICT_FALSE
+ ((b0->flags & VLIB_BUFFER_IS_TRACED) && tcp0 != 0))
{
t0 = vlib_add_trace (vm, node, b0, sizeof (*t0));
clib_memcpy (&t0->tcp_header, tcp0, sizeof (t0->tcp_header));