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authorFlorin Coras <fcoras@cisco.com>2017-05-10 12:32:53 -0700
committerNeale Ranns <nranns@cisco.com>2017-05-11 15:10:30 +0000
commitb5c13fdf470da1f4b0cfde151ba106cd84414e6b (patch)
tree73aa796c51057b4bccaf5c1f3becb142274c6403 /src
parent6a5be214b95f3ec9f30eab46aa1a21a62a7bbc85 (diff)
Validate ip6 interface fib tables early on
This should avoid random crashes due to reception of packets (multicast in particular) before ip6 addresses are configured on the interfaces. Change-Id: Ibcf1a5a2ae2fa75f8b57da1b2f09f32c081210d7 Signed-off-by: Florin Coras <fcoras@cisco.com>
Diffstat (limited to 'src')
-rw-r--r--src/vnet/ip/ip6_forward.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/vnet/ip/ip6_forward.c b/src/vnet/ip/ip6_forward.c
index 0ad96d0b9e0..25714e48d5a 100644
--- a/src/vnet/ip/ip6_forward.c
+++ b/src/vnet/ip/ip6_forward.c
@@ -688,6 +688,11 @@ VNET_FEATURE_INIT (ip6_interface_output, static) = {
clib_error_t *
ip6_sw_interface_add_del (vnet_main_t * vnm, u32 sw_if_index, u32 is_add)
{
+ ip6_main_t *im = &ip6_main;
+
+ vec_validate (im->fib_index_by_sw_if_index, sw_if_index);
+ vec_validate (im->mfib_index_by_sw_if_index, sw_if_index);
+
vnet_feature_enable_disable ("ip6-unicast", "ip6-drop", sw_if_index,
is_add, 0, 0);