diff options
| author |   Frédéric Perrin <fred@fperrin.net> | 2021-12-17 14:38:38 +0000 |
|---|---|---|
| committer |   Damjan Marion <dmarion@me.com> | 2021-12-18 12:14:00 +0000 |
| commit | c72feb8059d6d03c96c4754d555474a6482cbb3c (patch) | |
| tree | f3fb88d174f0434ac4812ed9395e9fe6066caf92 | |
| parent | ddb8d65a9786e609dbf17920a3cb2faa63a7932e (diff) | |
bfd: fix NULL dereference in bfd_api_verify_common
ip6_get_link_local_address() may return NULL if the local interface
is not (or not yet) configured
Type: fix
Signed-off-by: Frédéric Perrin <fred@fperrin.net>
Change-Id: I42bf2081582c4a36fa4e32145ca2f0ff73488110
| -rw-r--r-- | src/vnet/bfd/bfd_udp.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/vnet/bfd/bfd_udp.c b/src/vnet/bfd/bfd_udp.c index 4ad5660fdf6..333b321f3c1 100644 --- a/src/vnet/bfd/bfd_udp.c +++ b/src/vnet/bfd/bfd_udp.c @@ -614,7 +614,7 @@ bfd_udp_validate_api_input (u32 sw_if_index, { const ip6_address_t *ll_addr; ll_addr = ip6_get_link_local_address (sw_if_index); - if (ip6_address_is_equal (ll_addr, &local_addr->ip6)) + if (ll_addr && ip6_address_is_equal (ll_addr, &local_addr->ip6)) { /* valid address for this interface */ local_ip_valid = 1; |