From: Florian Westphal <fw@strlen.de>
Date: Tue, 1 Jul 2025 12:41:37 +0000 (+0200)
Subject: selftests: netfilter: nft_concat_range.sh: send packets to empty set
X-Git-Tag: v6.16-rc7~37^2~13^2~3
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=6dc2fae7f8a2384304ef48b7cdcb988222102a54;p=thirdparty%2Flinux.git

selftests: netfilter: nft_concat_range.sh: send packets to empty set

The selftest doesn't cover this error path:
 scratch = *raw_cpu_ptr(m->scratch);
 if (unlikely(!scratch)) { // here

cover this too.

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---

diff --git a/tools/testing/selftests/net/netfilter/nft_concat_range.sh b/tools/testing/selftests/net/netfilter/nft_concat_range.sh
index cd12b8b5ac0ef..20e76b395c855 100755
--- a/tools/testing/selftests/net/netfilter/nft_concat_range.sh
+++ b/tools/testing/selftests/net/netfilter/nft_concat_range.sh
@@ -1311,6 +1311,9 @@ maybe_send_match() {
 # - remove some elements, check that packets don't match anymore
 test_correctness_main() {
 	range_size=1
+
+	send_nomatch $((end + 1)) $((end + 1 + src_delta)) || return 1
+
 	for i in $(seq "${start}" $((start + count))); do
 		local elem=""