ctx->chain may be null now that we have very large object names,
so we cannot check for ctx->chain[0] here.
Fixes: e46abbcc05aa ("netfilter: nf_tables: Allow table names of up to 255
chars")
Signed-off-by: Pablo Neira Ayuso <pa...@netfilter.org>
---
net/netfilter/nf_tables_api.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index 10798b357481..8d4526651661 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -2072,7 +2072,7 @@ static int nf_tables_dump_rules(struct sk_buff *skb,
continue;
list_for_each_entry_rcu(chain, &table->chains, list) {
- if (ctx && ctx->chain[0] &&
+ if (ctx && ctx->chain &&
strcmp(ctx->chain, chain->name) != 0)
continue;
--
2.11.0
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