[Bug 1435] New: segfault when using iptables-nft and iptables-legacy inside a container

[bugzilla-daemon at netfilter.org]

https://bugzilla.netfilter.org/show_bug.cgi?id=1435

            Bug ID: 1435
           Summary: segfault when using iptables-nft and iptables-legacy
                    inside a container
           Product: libnftnl
           Version: unspecified
          Hardware: x86_64
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P5
         Component: libnftnl
          Assignee: pablo at netfilter.org
          Reporter: antonio.ojea.garcia at gmail.com

Created attachment 594
  --> https://bugzilla.netfilter.org/attachment.cgi?id=594&action=edit
coredump ip6tables

I can not reproduce the issue on demand, but it happens in a CI system that
runs containers, and some of them uses iptables-nft inside of the namespace ,
however, the host system uses iptables-legacy.

iptables segfaults with the following message:

ip6tables[2546654]: segfault at 80 ip 00007fc5c0c65964 sp 00007fff334008b8
error 4 in libnftnl.so.11.2.0[7fc5c0c60000+19000]
Code: 83 c4 08 5b 5d 41 5c 41 5d c3 0f 1f 40 00 48 83 c4 08 31 c0 5b 5d 41 5c
41 5d c3 66 66 2e 0f 1f 84 00 00 00 00 00 f3 0f 1e fa <48> 8b 87 80 00 00 00 48
83 ef 80
 48 39 f8 74 1b 85 f6 75 0c eb 18

attached some of the coredumps I was able to obtain.

Please let me know if I can provide more information.

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