Public bug reported:
[Impact]
iptables-netflow-dkms fails to build on the latest 5.15 jammy kernel:
/var/lib/dkms/ipt-netflow/2.5.1/build/ipt_NETFLOW.c: In function
‘netflow_conntrack_event’:
/var/lib/dkms/ipt-netflow/2.5.1/build/ipt_NETFLOW.c:4604:31: error: ‘struct
nf_ct_event_notifier’ has no member named ‘fcn’
4604 | ret = notifier->fcn(events, item);
| ^~
/var/lib/dkms/ipt-netflow/2.5.1/build/ipt_NETFLOW.c: At top level:
/var/lib/dkms/ipt-netflow/2.5.1/build/ipt_NETFLOW.c:4669:10: error: ‘struct
nf_ct_event_notifier’ has no member named ‘fcn’
4669 | .fcn = netflow_conntrack_event
| ^~~
/var/lib/dkms/ipt-netflow/2.5.1/build/ipt_NETFLOW.c:4669:16: error:
initialization of ‘int (*)(unsigned int, const struct nf_ct_event *)’ from
incompatible pointer type ‘int (*)(const unsigned int, struct nf_ct_event *)’
[-Werror=incompatible-pointer-types]
4669 | .fcn = netflow_conntrack_event
| ^~~~~~~~~~~~~~~~~~~~~~~
/var/lib/dkms/ipt-netflow/2.5.1/build/ipt_NETFLOW.c:4669:16: note: (near
initialization for ‘ctnl_notifier.ct_event’)
/var/lib/dkms/ipt-netflow/2.5.1/build/ipt_NETFLOW.c: In function
‘unset_notifier_cb’:
/var/lib/dkms/ipt-netflow/2.5.1/build/ipt_NETFLOW.c:5437:25: error: too many
arguments to function ‘nf_conntrack_unregister_notifier’
5437 | nf_conntrack_unregister_notifier(NET_ARG &ctnl_notifier);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ./include/net/netfilter/nf_conntrack_core.h:18,
from /var/lib/dkms/ipt-netflow/2.5.1/build/ipt_NETFLOW.c:67:
./include/net/netfilter/nf_conntrack_ecache.h:88:6: note: declared here
88 | void nf_conntrack_unregister_notifier(struct net *net);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/lib/dkms/ipt-netflow/2.5.1/build/ipt_NETFLOW.c:78:
/var/lib/dkms/ipt-netflow/2.5.1/build/murmur3.h: In function ‘murmur3’:
/var/lib/dkms/ipt-netflow/2.5.1/build/murmur3.h:35:28: warning: this statement
may fall through [-Wimplicit-fallthrough=]
35 | case 3: k1 ^= tail[2] << 16; /* FALLTHROUGH */
| ~~~^~~~~~~~~~~~~~~~
/var/lib/dkms/ipt-netflow/2.5.1/build/murmur3.h:36:17: note: here
36 | case 2: k1 ^= tail[1] << 8; /* FALLTHROUGH */
| ^~~~
/var/lib/dkms/ipt-netflow/2.5.1/build/murmur3.h:36:28: warning: this statement
may fall through [-Wimplicit-fallthrough=]
36 | case 2: k1 ^= tail[1] << 8; /* FALLTHROUGH */
| ~~~^~~~~~~~~~~~~~~
/var/lib/dkms/ipt-netflow/2.5.1/build/murmur3.h:37:17: note: here
37 | case 1: k1 ^= tail[0];
| ^~~~
/var/lib/dkms/ipt-netflow/2.5.1/build/ipt_NETFLOW.c: In function
‘parse_sampler’:
/var/lib/dkms/ipt-netflow/2.5.1/build/ipt_NETFLOW.c:2216:21: warning: this
statement may fall through [-Wimplicit-fallthrough=]
2216 | ret = -EINVAL;
/var/lib/dkms/ipt-netflow/2.5.1/build/ipt_NETFLOW.c:2218:9: note: here
2218 | case '\0': /* empty */
| ^~~~
[Test case]
sudo apt install iptables-netflow-dkms
[Fix]
Adjust a few function prototype changes to properly build on 5.15.
[Regression potential]
We may see regressions in iptables-netflow with old kernels (< 5.15).
** Affects: iptables-netflow (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1960164
Title:
iptables-netflow dkms build error on focal with linux hwe 5.15
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