We need to re-evalute based on the existing cache generation.
Fixes: 58d7de0181f6 ("xtables: handle concurrent ruleset modifications")
Signed-off-by: Pablo Neira Ayuso <[email protected]>
---
iptables/nft.c | 17 ++++++++++-------
1 file changed, 10 insertions(+), 7 deletions(-)
diff --git a/iptables/nft.c b/iptables/nft.c
index 43b9153c2d58..f6d407029892 100644
--- a/iptables/nft.c
+++ b/iptables/nft.c
@@ -2789,9 +2789,9 @@ static void nft_refresh_transaction(struct nft_handle *h)
if (!tablename)
continue;
exists = nft_table_find(h, tablename);
- if (n->skip && exists)
+ if (exists)
n->skip = 0;
- else if (!n->skip && !exists)
+ else
n->skip = 1;
break;
case NFT_COMPAT_CHAIN_USER_ADD:
@@ -2803,13 +2803,16 @@ static void nft_refresh_transaction(struct nft_handle
*h)
if (!chainname)
continue;
+ if (!h->noflush)
+ break;
+
c = nft_chain_find(h, tablename, chainname);
- if (c && !n->skip) {
+ if (c) {
/* -restore -n flushes existing rules from
redefined user-chain */
- if (h->noflush)
- __nft_rule_flush(h, tablename,
- chainname, false,
true);
- } else if (!c && n->skip) {
+ __nft_rule_flush(h, tablename,
+ chainname, false, true);
+ n->skip = 1;
+ } else if (!c) {
n->skip = 0;
}
break;
--
2.11.0
