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-rw-r--r--src/vnet/ip/ip4_reassembly.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/vnet/ip/ip4_reassembly.c b/src/vnet/ip/ip4_reassembly.c
index 6b8d66532fa..7a10271cb44 100644
--- a/src/vnet/ip/ip4_reassembly.c
+++ b/src/vnet/ip/ip4_reassembly.c
@@ -412,6 +412,7 @@ ip4_reass_finalize (vlib_main_t * vm, vlib_node_runtime_t * node,
trim_front = 0;
trim_end = vlib_buffer_length_in_chain (vm, tmp) - data_len -
ip4_header_bytes (ip);
+ ASSERT (vlib_buffer_length_in_chain (vm, tmp) - trim_end > 0);
}
u32 keep_data =
vlib_buffer_length_in_chain (vm, tmp) - trim_front - trim_end;