@@ -535,12 +535,12 @@ static int nft_ruleset_json_parse(const void *json,
root = nft_jansson_create_root(json, &error, err, input);
if (root == NULL)
- goto err;
+ goto err1;
array = json_object_get(root, "nftables");
if (array == NULL) {
errno = EINVAL;
- goto err;
+ goto err2;
}
len = json_array_size(array);
@@ -548,23 +548,24 @@ static int nft_ruleset_json_parse(const void *json,
node = json_array_get(array, i);
if (node == NULL) {
errno = EINVAL;
- goto err;
+ goto err2;
}
ctx.json = node;
key = json_object_iter_key(json_object_iter(node));
if (key == NULL)
- goto err;
+ goto err2;
if (nft_ruleset_json_parse_cmd(key, err, &ctx) < 0)
- goto err;
+ goto err2;
}
nft_set_list_free(ctx.set_list);
nft_jansson_free_root(root);
return 0;
-err:
- nft_set_list_free(ctx.set_list);
+err2:
nft_jansson_free_root(root);
+err1:
+ nft_set_list_free(ctx.set_list);
return -1;
#else
errno = EOPNOTSUPP;
@@ -665,7 +666,7 @@ static int nft_ruleset_xml_parse(const void *xml, struct nft_parse_err *err,
tree = nft_mxml_build_tree(xml, "nftables", err, input);
if (tree == NULL)
- goto err;
+ goto err1;
ctx.xml = tree;
@@ -673,16 +674,17 @@ static int nft_ruleset_xml_parse(const void *xml, struct nft_parse_err *err,
while (nodecmd != NULL) {
cmd = nodecmd->value.opaque;
if (nft_ruleset_xml_parse_cmd(cmd, err, &ctx) < 0)
- goto err;
+ goto err2;
nodecmd = mxmlWalkNext(tree, tree, MXML_NO_DESCEND);
}
nft_set_list_free(ctx.set_list);
mxmlDelete(tree);
return 0;
-err:
- nft_set_list_free(ctx.set_list);
+err2:
mxmlDelete(tree);
+err1:
+ nft_set_list_free(ctx.set_list);
return -1;
#else
errno = EOPNOTSUPP;
Crash when we try to release a tree that is not initialized. Signed-off-by: Alvaro Neira Ayuso <alvaroneay@gmail.com> --- [changes in v2] * Used the goto to make error paths without crash. src/ruleset.c | 24 +++++++++++++----------- 1 file changed, 13 insertions(+), 11 deletions(-)