package/network/services/hostapd/patches/023-ndisc_snoop-call-dl_list_del-before-freeing-ipv6-add.patch

   1 From: Felix Fietkau <nbd@nbd.name>
   2 Date: Wed, 28 Jul 2021 05:43:29 +0200
   3 Subject: [PATCH] ndisc_snoop: call dl_list_del before freeing ipv6 addresses
   4
   5 Fixes a segmentation fault on sta disconnect
   6
   7 Signed-off-by: Felix Fietkau <nbd@nbd.name>
   8 ---
   9
  10 --- a/src/ap/ndisc_snoop.c
  11 +++ b/src/ap/ndisc_snoop.c
  12 @@ -61,6 +61,7 @@ void sta_ip6addr_del(struct hostapd_data
  13         dl_list_for_each_safe(ip6addr, prev, &sta->ip6addr, struct ip6addr,
  14                               list) {
  15                 hostapd_drv_br_delete_ip_neigh(hapd, 6, (u8 *) &ip6addr->addr);
  16 +               dl_list_del(&ip6addr->list);
  17                 os_free(ip6addr);
  18         }
  19  }