It's not clear to me, what ensures that the etype is always valid.
Handle a NULL.
Fixes: 6e48df5329ea ('src: add "typeof" build/parse/print support')
Signed-off-by: Thomas Haller <thaller@xxxxxxxxxx>
---
src/netlink.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/src/netlink.c b/src/netlink.c
index 2489e9864151..70ebf382b14f 100644
--- a/src/netlink.c
+++ b/src/netlink.c
@@ -896,6 +896,8 @@ static struct expr *set_make_key(const struct nftnl_udata *attr)
etype = nftnl_udata_get_u32(ud[NFTNL_UDATA_SET_TYPEOF_EXPR]);
ops = expr_ops_by_type(etype);
+ if (!ops)
+ return NULL;
expr = ops->parse_udata(ud[NFTNL_UDATA_SET_TYPEOF_DATA]);
if (!expr)
--
2.41.0
