netlink_get_register() may return NULL and every other caller checks
that. Assuming this situation is not expected, just jump to 'err' label
without queueing an explicit error message.
Fixes: 2be1d52644cf7 ("src: Add tproxy support")
Signed-off-by: Phil Sutter <phil@xxxxxx>
---
src/netlink_delinearize.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/src/netlink_delinearize.c b/src/netlink_delinearize.c
index f7d328a836998..154353b8161a0 100644
--- a/src/netlink_delinearize.c
+++ b/src/netlink_delinearize.c
@@ -1041,6 +1041,8 @@ static void netlink_parse_tproxy(struct netlink_parse_ctx *ctx,
reg = netlink_parse_register(nle, NFTNL_EXPR_TPROXY_REG_ADDR);
if (reg) {
addr = netlink_get_register(ctx, loc, reg);
+ if (addr == NULL)
+ goto err;
switch (stmt->tproxy.family) {
case NFPROTO_IPV4:
@@ -1060,6 +1062,8 @@ static void netlink_parse_tproxy(struct netlink_parse_ctx *ctx,
reg = netlink_parse_register(nle, NFTNL_EXPR_TPROXY_REG_PORT);
if (reg) {
port = netlink_get_register(ctx, loc, reg);
+ if (port == NULL)
+ goto err;
expr_set_type(port, &inet_service_type, BYTEORDER_BIG_ENDIAN);
stmt->tproxy.port = port;
}
--
2.23.0
