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-rw-r--r--src/vnet/tcp/tcp.c20
1 files changed, 18 insertions, 2 deletions
diff --git a/src/vnet/tcp/tcp.c b/src/vnet/tcp/tcp.c
index 86e5d949bd1..1d030c9ce71 100644
--- a/src/vnet/tcp/tcp.c
+++ b/src/vnet/tcp/tcp.c
@@ -1758,10 +1758,26 @@ tcp_config_fn (vlib_main_t * vm, unformat_input_t * input)
;
else if (unformat (input, "max-rx-fifo %U", unformat_memory_size,
&memory_size))
- tcp_cfg.max_rx_fifo = memory_size;
+ {
+ if (memory_size >= 0x100000000)
+ {
+ return clib_error_return
+ (0, "max-rx-fifo %llu (0x%llx) too large", memory_size,
+ memory_size);
+ }
+ tcp_cfg.max_rx_fifo = memory_size;
+ }
else if (unformat (input, "min-rx-fifo %U", unformat_memory_size,
&memory_size))
- tcp_cfg.min_rx_fifo = memory_size;
+ {
+ if (memory_size >= 0x100000000)
+ {
+ return clib_error_return
+ (0, "min-rx-fifo %llu (0x%llx) too large", memory_size,
+ memory_size);
+ }
+ tcp_cfg.min_rx_fifo = memory_size;
+ }
else if (unformat (input, "mtu %u", &tcp_cfg.default_mtu))
;
else if (unformat (input, "rwnd-min-update-ack %d",