nat: do not use nat session object after deletion

[vpp.git] / src / plugins / nat / nat44-ed / nat44_ed_out2in.c

diff --git a/src/plugins/nat/nat44-ed/nat44_ed_out2in.c b/src/plugins/nat/nat44-ed/nat44_ed_out2in.c
index dfe4a15..fe4a41c 100644 (file)
--- a/src/plugins/nat/nat44-ed/nat44_ed_out2in.c
+++ b/src/plugins/nat/nat44-ed/nat44_ed_out2in.c
@@ -881,6 +881,7 @@ nat44_ed_out2in_fast_path_node_fn_inline (vlib_main_t * vm,
          // session is closed, go slow path
          nat44_ed_free_session_data (sm, s0, thread_index, 0);
          nat_ed_session_delete (sm, s0, thread_index, 1);
+         s0 = 0;
          slow_path_reason = NAT_ED_SP_REASON_VRF_EXPIRED;
          next[0] = NAT_NEXT_OUT2IN_ED_SLOW_PATH;
          goto trace0;
@@ -895,6 +896,7 @@ nat44_ed_out2in_fast_path_node_fn_inline (vlib_main_t * vm,
          // session is closed, go slow path
          nat44_ed_free_session_data (sm, s0, thread_index, 0);
          nat_ed_session_delete (sm, s0, thread_index, 1);
+         s0 = 0;
          slow_path_reason = NAT_ED_SP_SESS_EXPIRED;
          next[0] = NAT_NEXT_OUT2IN_ED_SLOW_PATH;
          goto trace0;
@@ -943,6 +945,7 @@ nat44_ed_out2in_fast_path_node_fn_inline (vlib_main_t * vm,
                  translation_error = NAT_ED_TRNSL_ERR_FLOW_MISMATCH;
                  nat44_ed_free_session_data (sm, s0, thread_index, 0);
                  nat_ed_session_delete (sm, s0, thread_index, 1);
+                 s0 = 0;
                  next[0] = NAT_NEXT_DROP;
                  b0->error = node->errors[NAT_OUT2IN_ED_ERROR_TRNSL_FAILED];
                  goto trace0;