package/network/services/dnsmasq/patches/0025-Fix-crash-freeing-negative-SRV-cache-entries.patch

   1 From a90f09db4cc635941a32b973b57e58c662569625 Mon Sep 17 00:00:00 2001
   2 From: Simon Kelley <simon@thekelleys.org.uk>
   3 Date: Wed, 9 Jan 2019 15:08:16 +0000
   4 Subject: [PATCH 25/57] Fix crash freeing negative SRV cache entries.
   5
   6 Thanks to Daniel for finding this one.
   7
   8 Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
   9 ---
  10  src/cache.c | 2 +-
  11  1 file changed, 1 insertion(+), 1 deletion(-)
  12
  13 --- a/src/cache.c
  14 +++ b/src/cache.c
  15 @@ -200,7 +200,7 @@ static void cache_hash(struct crec *crec
  16
  17  static void cache_blockdata_free(struct crec *crecp)
  18  {
  19 -  if (crecp->flags & F_SRV)
  20 +  if (crecp->flags & F_SRV && !(crecp->flags & F_NEG))
  21      blockdata_free(crecp->addr.srv.target);
  22  #ifdef HAVE_DNSSEC
  23    else if (crecp->flags & F_DNSKEY)