From f756c265e991db26806787b12f8e2d8f96e8d47d Mon Sep 17 00:00:00 2001 From: DmitriyEshenko Date: Mon, 3 Jan 2022 16:06:07 +0300 Subject: Check if ipv6 dp availible before answer --- accel-pppd/extra/ipv6pool.c | 3 +++ accel-pppd/ipv6/dhcpv6.c | 4 ++++ 2 files changed, 7 insertions(+) diff --git a/accel-pppd/extra/ipv6pool.c b/accel-pppd/extra/ipv6pool.c index 3494a912..c5cabef5 100644 --- a/accel-pppd/extra/ipv6pool.c +++ b/accel-pppd/extra/ipv6pool.c @@ -307,6 +307,9 @@ static struct ipv6db_prefix_t *get_dp(struct ap_session *ses) else pool = def_dppool; + if (!pool) + return NULL; + start = pool; do { spin_lock(&pool->lock); diff --git a/accel-pppd/ipv6/dhcpv6.c b/accel-pppd/ipv6/dhcpv6.c index cc7f1f35..91b396c3 100644 --- a/accel-pppd/ipv6/dhcpv6.c +++ b/accel-pppd/ipv6/dhcpv6.c @@ -352,6 +352,10 @@ static void dhcpv6_send_reply(struct dhcpv6_packet *req, struct dhcpv6_pd *pd, i ses->ipv6_dp = ipdb_get_ipv6_prefix(ses); if (ses->ipv6_dp) triton_event_fire(EV_FORCE_INTERIM_UPDATE, ses); + else { + dhcpv6_packet_free(reply); + return; + } } if ((req->hdr->type == D6_RENEW) && pd->dp_iaid != ia_na->iaid) { -- cgit v1.2.3