abort early so task can exit faster if a fatal signal is pending, no need to continue validation in that case. Signed-off-by: Florian Westphal <fw@xxxxxxxxx> --- net/netfilter/nf_tables_api.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index c62227ae7746..271c643f055f 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -3675,6 +3675,9 @@ int nft_chain_validate(const struct nft_ctx *ctx, const struct nft_chain *chain) return -EMLINK; list_for_each_entry(rule, &chain->rules, list) { + if (fatal_signal_pending(current)) + return -EINTR; + if (!nft_is_active_next(ctx->net, rule)) continue; @@ -10459,6 +10462,9 @@ static int nf_tables_check_loops(const struct nft_ctx *ctx, if (ctx->chain == chain) return -ELOOP; + if (fatal_signal_pending(current)) + return -EINTR; + list_for_each_entry(rule, &chain->rules, list) { nft_rule_for_each_expr(expr, last, rule) { struct nft_immediate_expr *priv; -- 2.41.0