While given chain name was sanity checked with --new-chain command,
--rename-chain command allowed to choose an invalid name. Keep things
consistent by adding the missing check.
Fixes: e6869a8f59d77 ("reorganized tree after kernel merge")
Signed-off-by: Phil Sutter <phil@xxxxxx>
---
iptables/xshared.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/iptables/xshared.c b/iptables/xshared.c
index 28c65faed7b25..5f75a0a57a023 100644
--- a/iptables/xshared.c
+++ b/iptables/xshared.c
@@ -1511,6 +1511,7 @@ void do_parse(int argc, char *argv[],
"-%c requires old-chain-name and "
"new-chain-name",
cmd2char(CMD_RENAME_CHAIN));
+ assert_valid_chain_name(p->newname);
break;
case 'P':
--
2.40.0
