Variable-length actions must have a nonzero length; if they don't,
something went wrong and we should bail out.
Suggested-by: Ben Pfaff <b...@ovn.org>
Signed-off-by: Joe Stringer <j...@ovn.org>
---
lib/ofp-actions.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lib/ofp-actions.c b/lib/ofp-actions.c
index a7c0388adeaa..e5fe8e608986 100644
--- a/lib/ofp-actions.c
+++ b/lib/ofp-actions.c
@@ -7407,7 +7407,7 @@ ofpact_finish(struct ofpbuf *ofpacts, struct ofpact
*ofpact)
ovs_assert(ofpact == ofpacts->header);
len = (char *) ofpbuf_tail(ofpacts) - (char *) ofpact;
- ovs_assert(len <= UINT16_MAX);
+ ovs_assert(len && len <= UINT16_MAX);
ofpact->len = len;
ofpbuf_padto(ofpacts, OFPACT_ALIGN(ofpacts->size));
--
2.1.4
_______________________________________________
dev mailing list
dev@openvswitch.org
http://openvswitch.org/mailman/listinfo/dev
