On Thu, Apr 30, 2020, 09:21 Matej Marusak <mmaru...@redhat.com> wrote:
> Package: iptables > Version: 1.8.4-3 > Severity: normal > > Dear Maintainer, > > In cockpit tests [1] we are seeing ip6tables-restore dumping core often. > It only happens on debian-testing and only in one specific test. Also > it does not happen always, around 1/3 of runs actually hit this. > I tried to get some commandline reproduced, but even slightly tweaking > our tests and it stopped being reproducible. So my gut feeling is that > this is timing related and our tests hit it just right. > > Please see [1] to see backtrace, journal and core. > > The core backtrace: > #0 0x00007f16d2993679 in nftnl_table_list_free (list=0x0) at table.c:393 > #1 0x00005613a6503fa9 in flush_cache (h=0x7fff89baf4e0, c=0x7fff89baf550, > tablename=0x0) at nft-cache.c:622 > #2 0x00005613a65044f9 in flush_cache (tablename=0x0, c=<optimized out>, > h=<optimized out>) at nft-cache.c:651 > #3 nft_release_cache (h=<optimized out>) at nft-cache.c:651 > > > As I mentioned, I am unfortunatelly not able to find commandline > reproducer, but I am more than happy to provide any outup or try any > command. > > Hope it is actionable. > Regards, > MM > > > [1] https://github.com/cockpit-project/bots/issues/809 > > -- System Information: > Debian Release: bullseye/sid > APT prefers testing > APT policy: (500, 'testing') > Architecture: amd64 (x86_64) > > Kernel: Linux 5.5.0-1-cloud-amd64 (SMP w/1 CPU core) > Locale: LANG=C.UTF-8, LC_CTYPE=C.UTF-8 (charmap=UTF-8), LANGUAGE=C.UTF-8 > (charmap=UTF-8) > Shell: /bin/sh linked to /usr/bin/dash > Init: systemd (via /run/systemd/system) > LSM: AppArmor: enabled > > Versions of packages iptables depends on: > ii libc6 2.30-4 > ii libip4tc2 1.8.4-3 > ii libip6tc2 1.8.4-3 > ii libmnl0 1.0.4-3 > ii libnetfilter-conntrack3 1.0.8-1 > ii libnfnetlink0 1.0.1-3+b1 > ii libnftnl11 1.1.6-1 > ii libxtables12 1.8.4-3 > ii netbase 6.1 > > Versions of packages iptables recommends: > pn nftables <none> > > Versions of packages iptables suggests: > ii firewalld 0.8.2-1 > ii kmod 27-2 > > -- no debconf information > > _______________________________________________ > pkg-netfilter-team mailing list > pkg-netfilter-t...@alioth-lists.debian.net > https://alioth-lists.debian.net/cgi-bin/mailman/listinfo/pkg-netfilter-team Thanks for the report. Could you please provide the ip6tables ruleset that is causing this? i.e, the ruleset you are trying to restore. > >