From 6c23bfa512187d509ecc188653a6f232b0695d1d Mon Sep 17 00:00:00 2001 From: Pablo Neira Ayuso Date: Mon, 27 Jun 2022 12:54:23 +0200 Subject: segtree: fix map listing with interface wildcard # nft -f - <<'EOF' table inet filter { chain INPUT { iifname vmap { "eth0" : jump input_lan, "wg*" : jump input_vpn } } chain input_lan {} chain input_vpn {} } EOF # nft list ruleset nft: segtree.c:578: interval_map_decompose: Assertion `low->len / 8 > 0' failed. Closes: https://bugzilla.netfilter.org/show_bug.cgi?id=1617 Fixes: 5e393ea1fc0a ("segtree: add string "range" reversal support") Signed-off-by: Pablo Neira Ayuso --- src/segtree.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'src') diff --git a/src/segtree.c b/src/segtree.c index f9cac373..c36497ce 100644 --- a/src/segtree.c +++ b/src/segtree.c @@ -575,7 +575,7 @@ void interval_map_decompose(struct expr *set) if (!mpz_cmp_ui(range, 0)) { if (expr_basetype(low)->type == TYPE_STRING) - mpz_switch_byteorder(expr_value(low)->value, low->len / BITS_PER_BYTE); + mpz_switch_byteorder(expr_value(low)->value, expr_value(low)->len / BITS_PER_BYTE); low->flags |= EXPR_F_KERNEL; compound_expr_add(set, expr_get(low)); } else if (range_is_prefix(range) && !mpz_cmp_ui(p, 0)) { -- cgit v1.2.3