evaluate: fix stack overflow with huge priority string

Alternative would be to refactor this and move this into the parsers
(bison, json) instead of this hidden re-parsing.

Fixes: 627c451b2351 ("src: allow variables in the chain priority specification")
Signed-off-by: Florian Westphal <fw@strlen.de>

1 files changed, 5 insertions, 0 deletions

diff --git a/tests/shell/testcases/bogons/nft-f/huge_chain_prio b/tests/shell/testcases/bogons/nft-f/huge_chain_prio
new file mode 100644
index 00000000..41f8061a
--- /dev/null
+++ b/tests/shell/testcases/bogons/nft-f/huge_chain_prio
@@ -0,0 +1,5 @@
+table t {
+        chain c {
+                type filter hook input priority srcnDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD#DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD; policy accept;
+        }
+}