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-rw-r--r--src/plugins/dhcp/dhcp6_proxy_node.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/plugins/dhcp/dhcp6_proxy_node.c b/src/plugins/dhcp/dhcp6_proxy_node.c
index 272c379b6a3..95e5c9272f5 100644
--- a/src/plugins/dhcp/dhcp6_proxy_node.c
+++ b/src/plugins/dhcp/dhcp6_proxy_node.c
@@ -437,6 +437,13 @@ dhcpv6_proxy_to_server_input (vlib_main_t * vm,
u32 ci0;
c0 = vlib_buffer_copy (vm, b0);
+ if (c0 == NULL)
+ {
+ vlib_node_increment_counter
+ (vm, dhcpv6_proxy_to_server_node.index,
+ DHCPV6_PROXY_ERROR_ALLOC_FAIL, 1);
+ continue;
+ }
VLIB_BUFFER_TRACE_TRAJECTORY_INIT (c0);
ci0 = vlib_get_buffer_index (vm, c0);
server = &proxy->dhcp_servers[ii];