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resolved: avoid possible dereference of null pointer
[elogind.git]
/
src
/
resolve
/
resolved-dns-scope.c
diff --git
a/src/resolve/resolved-dns-scope.c
b/src/resolve/resolved-dns-scope.c
index 8d03049c103aec8e3eb867faa5533b2cb8046176..0f654a6102bf2efff85de7670d068e43bd34f9ed 100644
(file)
--- a/
src/resolve/resolved-dns-scope.c
+++ b/
src/resolve/resolved-dns-scope.c
@@
-412,7
+412,9
@@
static int dns_scope_make_reply_packet(
assert(s);
- if (q->n_keys <= 0 && answer->n_rrs <= 0 && soa->n_rrs <= 0)
+ if ((!q || q->n_keys <= 0)
+ && (!answer || answer->n_rrs <= 0)
+ && (!soa || soa->n_rrs <= 0))
return -EINVAL;
r = dns_packet_new(&p, s->protocol, 0);