Package: nftables Version: 0.7-1 Severity: important The nft list crashes when an ip6tables-compat CT rule is found also in iptables-compat. This is either an assert with 0.7-1 or a segfault with 0.8-2~bpo9+1.
# nft flush ruleset # nft list ruleset # iptables-compat -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT # nft list ruleset table ip filter { chain INPUT { type filter hook input priority 0; policy accept; ct state related,established counter packets 0 bytes 0 accept } chain FORWARD { type filter hook forward priority 0; policy accept; } chain OUTPUT { type filter hook output priority 0; policy accept; } } # ip6tables-compat -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT # nft list ruleset BUG: XT match conntrack not found nft: xt.c:208: netlink_parse_match: Assertion `0' failed. Aborted --- System information. --- Architecture: Kernel: Linux 4.9.65-3+deb9u2 Debian Release: 9.3 500 stable security.debian.org 500 stable httpredir.debian.org 100 stretch-backports httpredir.debian.org 1 stable www.deb-multimedia.org --- Package information. --- Depends (Version) | Installed ===================================================-+-============================ init-system-helpers (>= 1.18~) | 1.48 libc6 (>= 2.15) | libgmp10 | libmnl0 (>= 1.0.3-4~) | libnftnl4 (>= 1.0.5+snapshot20160416) | libreadline7 (>= 6.0) | libxtables12 | Package's Recommends field is empty. Package's Suggests field is empty.