Re: [PATCH nf] netfilter: synproxy: prevent unbounded recursion in transmit path

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

Hi Fernando,

kernel test robot noticed the following build errors:

[auto build test ERROR on netfilter-nf/main]

url:    https://github.com/intel-lab-lkp/linux/commits/Fernando-Fernandez-Mancera/netfilter-synproxy-prevent-unbounded-recursion-in-transmit-path/20261103-135638
base:   https://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf.git main
patch link:    https://lore.kernel.org/r/20261103125638.4667-1-fmancera%40suse.de
patch subject: [PATCH nf] netfilter: synproxy: prevent unbounded recursion in transmit path
config: sh-allyesconfig (https://download.01.org/0day-ci/archive/20261104/202611041332.BDDaWwCF-lkp@intel.com/config)
compiler: sh4-linux-gcc (GCC) 16.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261104/202611041332.BDDaWwCF-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/202611041332.BDDaWwCF-lkp@intel.com/

All errors (new ones prefixed by >>):

>> net/netfilter/nf_synproxy_core.c:24:10: fatal error: net/netfilter/nf_recursion.h: No such file or directory
      24 | #include <net/netfilter/nf_recursion.h>
         |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   compilation terminated.


vim +24 net/netfilter/nf_synproxy_core.c

    16	
    17	#include <net/netfilter/nf_conntrack.h>
    18	#include <net/netfilter/nf_conntrack_ecache.h>
    19	#include <net/netfilter/nf_conntrack_extend.h>
    20	#include <net/netfilter/nf_conntrack_seqadj.h>
    21	#include <net/netfilter/nf_conntrack_synproxy.h>
    22	#include <net/netfilter/nf_conntrack_zones.h>
    23	#include <net/netfilter/nf_synproxy.h>
  > 24	#include <net/netfilter/nf_recursion.h>
    25	

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