Re: [PATCH bpf-next v3 3/4] bpf: add bpf_icmp_send_unreach cgroup_skb kfunc

[kernel test robot <lkp@intel.com>]

Hi Mahe,

kernel test robot noticed the following build errors:

[auto build test ERROR on bpf-next/master]

url:    https://github.com/intel-lab-lkp/linux/commits/Mahe-Tardy/net-move-netfilter-nf_reject_fill_skb_dst-to-core-ipv4/20250728-174736
base:   https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master
patch link:    https://lore.kernel.org/r/20250728094345.46132-4-mahe.tardy%40gmail.com
patch subject: [PATCH bpf-next v3 3/4] bpf: add bpf_icmp_send_unreach cgroup_skb kfunc
config: s390-randconfig-001-20250729 (https://download.01.org/0day-ci/archive/20250729/202507290356.HyFMR3K0-lkp@intel.com/config)
compiler: s390-linux-gcc (GCC) 8.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250729/202507290356.HyFMR3K0-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202507290356.HyFMR3K0-lkp@intel.com/

All errors (new ones prefixed by >>):

   s390-linux-ld: net/core/filter.o: in function `bpf_icmp_send_unreach':
   filter.c:(.text+0xf7b8): undefined reference to `ip_route_reply_fetch_dst'
>> s390-linux-ld: filter.c:(.text+0xf7ea): undefined reference to `__icmp_send'

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki