[libnftnl PATCH 1/2] Avoid out of bound reads in tests.

[Maya Rashish <mrashish@redhat.com>]

Our string isn't NUL-terminated. To avoid reading past
the last character, use strndup.

Signed-off-by: Maya Rashish <mrashish@redhat.com>
---
  tests/nft-expr_match-test.c  | 2 +-
  tests/nft-expr_target-test.c | 2 +-
  2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/tests/nft-expr_match-test.c b/tests/nft-expr_match-test.c
index 39a49d8..f6b7bc0 100644
--- a/tests/nft-expr_match-test.c
+++ b/tests/nft-expr_match-test.c
@@ -71,7 +71,7 @@ int main(int argc, char *argv[])

  	nftnl_expr_set_str(ex, NFTNL_EXPR_MT_NAME, "Tests");
  	nftnl_expr_set_u32(ex, NFTNL_EXPR_MT_REV, 0x12345678);
-	nftnl_expr_set(ex, NFTNL_EXPR_MT_INFO, strdup(data), sizeof(data));
+	nftnl_expr_set(ex, NFTNL_EXPR_MT_INFO, strndup(data, sizeof(data)), sizeof(data));
  	nftnl_rule_add_expr(a, ex);

  	nlh = nftnl_rule_nlmsg_build_hdr(buf, NFT_MSG_NEWRULE, AF_INET, 0, 1234);
diff --git a/tests/nft-expr_target-test.c b/tests/nft-expr_target-test.c
index ba56b27..a135b9c 100644
--- a/tests/nft-expr_target-test.c
+++ b/tests/nft-expr_target-test.c
@@ -71,7 +71,7 @@ int main(int argc, char *argv[])

  	nftnl_expr_set(ex, NFTNL_EXPR_TG_NAME, "test", strlen("test"));
  	nftnl_expr_set_u32(ex, NFTNL_EXPR_TG_REV, 0x56781234);
-	nftnl_expr_set(ex, NFTNL_EXPR_TG_INFO, strdup(data), sizeof(data));
+	nftnl_expr_set(ex, NFTNL_EXPR_TG_INFO, strndup(data, sizeof(data)), sizeof(data));
  	nftnl_rule_add_expr(a, ex);

  	nlh = nftnl_rule_nlmsg_build_hdr(buf, NFT_MSG_NEWRULE, AF_INET, 0, 1234);
-- 
2.29.2