From 8ade4a568a51db6f38d7b0508484d433af21f7a1 Mon Sep 17 00:00:00 2001 From: Mercury Date: Sat, 11 Dec 2021 15:58:32 +0800 Subject: tcp: fix the tcp src-address cli When the src-address to add match a route without a valid output interface(such as default route 0.0.0.0/0), fib_entry_get_resolving_interface() will return (u32)~0, which will cause crash in ip4_neighbor_proxy_enable(). Type: fix Signed-off-by: Mercury Change-Id: I5aee5676a2ff43ec06745ebed4dba2b9e5b98c4d --- src/vnet/tcp/tcp_cli.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'src') diff --git a/src/vnet/tcp/tcp_cli.c b/src/vnet/tcp/tcp_cli.c index c7b5c0b441e..c9d6c6facd6 100644 --- a/src/vnet/tcp/tcp_cli.c +++ b/src/vnet/tcp/tcp_cli.c @@ -411,6 +411,8 @@ tcp_configure_v4_source_address_range (vlib_main_t * vm, return VNET_API_ERROR_NEXT_HOP_NOT_IN_FIB; sw_if_index = fib_entry_get_resolving_interface (fei); + if (sw_if_index == (u32) ~0) + return VNET_API_ERROR_NO_MATCHING_INTERFACE; /* Configure proxy arp across the range */ rv = ip4_neighbor_proxy_add (fib_index, start, end); -- cgit 1.2.3-korg