From: Pablo Neira Ayuso pablo@netfilter.org
[ Upstream commit 24c0df82ef7919e4d10cf2e4e65d368eb2e8ea21 ]
ctx->chain may be null now that we have very large object names, so we cannot check for ctx->chain[0] here.
Fixes: b7263e071aba7 ("netfilter: nf_tables: Allow table names of up to 255 chars") Signed-off-by: Pablo Neira Ayuso pablo@netfilter.org Acked-by: Phil Sutter phil@nwl.cc Signed-off-by: Sasha Levin alexander.levin@microsoft.com --- 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 64e1ee091225..ce49946f755e 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;