Kernel's flowtable message might not contain the
NFTA_FLOWTABLE_HOOK_DEVS attribute. In that case, nftnl_flowtable_get()
will return NULL for the respective nftnl attribute.
Fixes: db0697ce7f602 ("src: support for flowtable listing")
Signed-off-by: Phil Sutter <phil@xxxxxx>
---
src/netlink.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/netlink.c b/src/netlink.c
index bed816af3123d..0e0d32b846d6a 100644
--- a/src/netlink.c
+++ b/src/netlink.c
@@ -1847,7 +1847,7 @@ netlink_delinearize_flowtable(struct netlink_ctx *ctx,
if (nftnl_flowtable_is_set(nlo, NFTNL_FLOWTABLE_FLAGS))
flowtable->flags = nftnl_flowtable_get_u32(nlo, NFTNL_FLOWTABLE_FLAGS);
dev_array = nftnl_flowtable_get(nlo, NFTNL_FLOWTABLE_DEVICES);
- while (dev_array[len])
+ while (dev_array && dev_array[len])
len++;
if (len)
--
2.49.0
