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dhcp: fix proxy dhcpv6 size check

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Type: fix

Change-Id: Ibbb25bc530fdeaa3083c9b833a286a5d40e93c1e
Signed-off-by: Benoît Ganne <bganne@cisco.com>
(cherry picked from commit 60ad1a59a3)
This commit is contained in:
Benoît Ganne
2019-10-30 14:46:40 +01:00
committed by Andrew Yourtchenko
parent 818b5bcdf1
commit 2c4ba41bea
1 changed files with 3 additions and 2 deletions
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5
src/vnet/dhcp/dhcp6_proxy_node.c
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@ -315,8 +315,9 @@ dhcpv6_proxy_to_server_input (vlib_main_t * vm,
link_address_set:
if ((b0->current_length + sizeof (*id1) + sizeof (*vss1) +
sizeof (*cmac)) > vlib_buffer_get_default_data_size (vm))
if ((b0->current_data + b0->current_length + sizeof (*id1) +
sizeof (*vss1) + sizeof (*cmac)) >
vlib_buffer_get_default_data_size (vm))
{
error0 = DHCPV6_PROXY_ERROR_PKT_TOO_BIG;
next0 = DHCPV6_PROXY_TO_SERVER_INPUT_NEXT_DROP;