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-rw-r--r--src/resolve/resolved-dns-packet.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/resolve/resolved-dns-packet.c b/src/resolve/resolved-dns-packet.c
index b97fd17963..4f9503803b 100644
--- a/src/resolve/resolved-dns-packet.c
+++ b/src/resolve/resolved-dns-packet.c
@@ -1029,6 +1029,8 @@ static bool loc_size_ok(uint8_t size) {
}
static int dnskey_parse_flags(DnsResourceRecord *rr, uint16_t flags) {
+ assert(rr);
+
if (flags & ~(DNSKEY_FLAG_SEP | DNSKEY_FLAG_ZONE_KEY))
return -EBADMSG;