All of lore.kernel.org
 help / color / mirror / Atom feed
From: kernel test robot <lkp@intel.com>
To: Fernando Fernandez Mancera <fmancera@suse.de>,
	netfilter-devel@vger.kernel.org
Cc: oe-kbuild-all@lists.linux.dev, coreteam@netfilter.org,
	pablo@netfilter.org, fw@strlen.de, phil@nwl.cc, eric@regit.org,
	Fernando Fernandez Mancera <fmancera@suse.de>,
	Yu Junzhe <junzheyu1@gmail.com>
Subject: Re: [PATCH nf v2] netfilter: nft_reject: prevent unbounded recursion in output hooks
Date: Thu, 24 Sep 2026 05:00:59 +0800	[thread overview]
Message-ID: <202609240424.i9W3b2H2-lkp@intel.com> (raw)
In-Reply-To: <20260922092503.3238-1-fmancera@suse.de>

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-nft_reject-prevent-unbounded-recursion-in-output-hooks/20260922-112503
base:   https://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf.git main
patch link:    https://lore.kernel.org/r/20260922092503.3238-1-fmancera%40suse.de
patch subject: [PATCH nf v2] netfilter: nft_reject: prevent unbounded recursion in output hooks
config: arm-randconfig-1000-20260924 (https://download.01.org/0day-ci/archive/20260924/202609240424.i9W3b2H2-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 10.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260924/202609240424.i9W3b2H2-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/202609240424.i9W3b2H2-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from include/linux/build_bug.h:5,
                    from include/linux/container_of.h:5,
                    from include/linux/list.h:5,
                    from include/linux/module.h:12,
                    from net/ipv4/netfilter/nf_reject_ipv4.c:6:
   include/net/netfilter/nf_recursion.h: In function 'nf_dev_xmit_recursion':
>> include/net/netfilter/nf_recursion.h:12:51: error: 'struct netdev_xmit' has no member named 'nf_dup_skb_recursion'
      12 |  return unlikely(__this_cpu_read(softnet_data.xmit.nf_dup_skb_recursion) >
         |                                                   ^
   include/linux/compiler.h:77:42: note: in definition of macro 'unlikely'
      77 | # define unlikely(x) __builtin_expect(!!(x), 0)
         |                                          ^
   include/linux/percpu-defs.h:317:2: note: in expansion of macro 'TYPEOF_UNQUAL'
     317 |  TYPEOF_UNQUAL(variable) pscr_ret__;    \
         |  ^~~~~~~~~~~~~
   include/linux/percpu-defs.h:407:28: note: in expansion of macro '__pcpu_size_call_return'
     407 | #define raw_cpu_read(pcp)  __pcpu_size_call_return(raw_cpu_read_, pcp)
         |                            ^~~~~~~~~~~~~~~~~~~~~~~
   include/linux/percpu-defs.h:432:2: note: in expansion of macro 'raw_cpu_read'
     432 |  raw_cpu_read(pcp);      \
         |  ^~~~~~~~~~~~
   include/net/netfilter/nf_recursion.h:12:18: note: in expansion of macro '__this_cpu_read'
      12 |  return unlikely(__this_cpu_read(softnet_data.xmit.nf_dup_skb_recursion) >
         |                  ^~~~~~~~~~~~~~~
>> include/net/netfilter/nf_recursion.h:12:51: error: 'struct netdev_xmit' has no member named 'nf_dup_skb_recursion'
      12 |  return unlikely(__this_cpu_read(softnet_data.xmit.nf_dup_skb_recursion) >
         |                                                   ^
   include/linux/compiler.h:77:42: note: in definition of macro 'unlikely'
      77 | # define unlikely(x) __builtin_expect(!!(x), 0)
         |                                          ^
   include/linux/percpu-defs.h:318:2: note: in expansion of macro '__verify_pcpu_ptr'
     318 |  __verify_pcpu_ptr(&(variable));     \
         |  ^~~~~~~~~~~~~~~~~
   include/linux/percpu-defs.h:407:28: note: in expansion of macro '__pcpu_size_call_return'
     407 | #define raw_cpu_read(pcp)  __pcpu_size_call_return(raw_cpu_read_, pcp)
         |                            ^~~~~~~~~~~~~~~~~~~~~~~
   include/linux/percpu-defs.h:432:2: note: in expansion of macro 'raw_cpu_read'
     432 |  raw_cpu_read(pcp);      \
         |  ^~~~~~~~~~~~
   include/net/netfilter/nf_recursion.h:12:18: note: in expansion of macro '__this_cpu_read'
      12 |  return unlikely(__this_cpu_read(softnet_data.xmit.nf_dup_skb_recursion) >
         |                  ^~~~~~~~~~~~~~~
>> include/net/netfilter/nf_recursion.h:12:51: error: 'struct netdev_xmit' has no member named 'nf_dup_skb_recursion'
      12 |  return unlikely(__this_cpu_read(softnet_data.xmit.nf_dup_skb_recursion) >
         |                                                   ^
   include/linux/compiler.h:77:42: note: in definition of macro 'unlikely'
      77 | # define unlikely(x) __builtin_expect(!!(x), 0)
         |                                          ^
   include/linux/percpu-defs.h:407:28: note: in expansion of macro '__pcpu_size_call_return'
     407 | #define raw_cpu_read(pcp)  __pcpu_size_call_return(raw_cpu_read_, pcp)
         |                            ^~~~~~~~~~~~~~~~~~~~~~~
   include/linux/percpu-defs.h:432:2: note: in expansion of macro 'raw_cpu_read'
     432 |  raw_cpu_read(pcp);      \
         |  ^~~~~~~~~~~~
   include/net/netfilter/nf_recursion.h:12:18: note: in expansion of macro '__this_cpu_read'
      12 |  return unlikely(__this_cpu_read(softnet_data.xmit.nf_dup_skb_recursion) >
         |                  ^~~~~~~~~~~~~~~
>> include/net/netfilter/nf_recursion.h:12:51: error: 'struct netdev_xmit' has no member named 'nf_dup_skb_recursion'
      12 |  return unlikely(__this_cpu_read(softnet_data.xmit.nf_dup_skb_recursion) >
         |                                                   ^
   include/linux/compiler.h:77:42: note: in definition of macro 'unlikely'
      77 | # define unlikely(x) __builtin_expect(!!(x), 0)
         |                                          ^
   include/linux/percpu-defs.h:259:2: note: in expansion of macro '__verify_pcpu_ptr'
     259 |  __verify_pcpu_ptr(ptr);      \
         |  ^~~~~~~~~~~~~~~~~
   include/linux/percpu-defs.h:263:26: note: in expansion of macro 'per_cpu_ptr'
     263 | #define raw_cpu_ptr(ptr) per_cpu_ptr(ptr, 0)
         |                          ^~~~~~~~~~~
   include/asm-generic/percpu.h:82:3: note: in expansion of macro 'raw_cpu_ptr'
      82 |  *raw_cpu_ptr(&(pcp));      \
         |   ^~~~~~~~~~~
   include/asm-generic/percpu.h:217:30: note: in expansion of macro 'raw_cpu_generic_read'
     217 | #define raw_cpu_read_1(pcp)  raw_cpu_generic_read(pcp)
         |                              ^~~~~~~~~~~~~~~~~~~~
   include/linux/percpu-defs.h:320:23: note: in expansion of macro 'raw_cpu_read_1'
     320 |  case 1: pscr_ret__ = stem##1(variable); break;   \
         |                       ^~~~
   include/linux/percpu-defs.h:407:28: note: in expansion of macro '__pcpu_size_call_return'
     407 | #define raw_cpu_read(pcp)  __pcpu_size_call_return(raw_cpu_read_, pcp)
         |                            ^~~~~~~~~~~~~~~~~~~~~~~
   include/linux/percpu-defs.h:432:2: note: in expansion of macro 'raw_cpu_read'
     432 |  raw_cpu_read(pcp);      \
         |  ^~~~~~~~~~~~
   include/net/netfilter/nf_recursion.h:12:18: note: in expansion of macro '__this_cpu_read'
      12 |  return unlikely(__this_cpu_read(softnet_data.xmit.nf_dup_skb_recursion) >
         |                  ^~~~~~~~~~~~~~~
>> include/net/netfilter/nf_recursion.h:12:51: error: 'struct netdev_xmit' has no member named 'nf_dup_skb_recursion'
      12 |  return unlikely(__this_cpu_read(softnet_data.xmit.nf_dup_skb_recursion) >
         |                                                   ^
   include/linux/compiler.h:77:42: note: in definition of macro 'unlikely'
      77 | # define unlikely(x) __builtin_expect(!!(x), 0)
         |                                          ^
   include/linux/percpu-defs.h:221:3: note: in expansion of macro 'TYPEOF_UNQUAL'
     221 |  (TYPEOF_UNQUAL(*(__p)) __force __kernel *)((__force unsigned long)(__p))
         |   ^~~~~~~~~~~~~
   include/linux/percpu-defs.h:260:2: note: in expansion of macro 'PERCPU_PTR'
     260 |  PERCPU_PTR(ptr);      \
         |  ^~~~~~~~~~
   include/linux/percpu-defs.h:263:26: note: in expansion of macro 'per_cpu_ptr'
     263 | #define raw_cpu_ptr(ptr) per_cpu_ptr(ptr, 0)
         |                          ^~~~~~~~~~~
   include/asm-generic/percpu.h:82:3: note: in expansion of macro 'raw_cpu_ptr'
      82 |  *raw_cpu_ptr(&(pcp));      \
         |   ^~~~~~~~~~~
   include/asm-generic/percpu.h:217:30: note: in expansion of macro 'raw_cpu_generic_read'
     217 | #define raw_cpu_read_1(pcp)  raw_cpu_generic_read(pcp)
         |                              ^~~~~~~~~~~~~~~~~~~~
   include/linux/percpu-defs.h:320:23: note: in expansion of macro 'raw_cpu_read_1'
     320 |  case 1: pscr_ret__ = stem##1(variable); break;   \
         |                       ^~~~
   include/linux/percpu-defs.h:407:28: note: in expansion of macro '__pcpu_size_call_return'
     407 | #define raw_cpu_read(pcp)  __pcpu_size_call_return(raw_cpu_read_, pcp)
         |                            ^~~~~~~~~~~~~~~~~~~~~~~
   include/linux/percpu-defs.h:432:2: note: in expansion of macro 'raw_cpu_read'
     432 |  raw_cpu_read(pcp);      \
         |  ^~~~~~~~~~~~
   include/net/netfilter/nf_recursion.h:12:18: note: in expansion of macro '__this_cpu_read'
      12 |  return unlikely(__this_cpu_read(softnet_data.xmit.nf_dup_skb_recursion) >
         |                  ^~~~~~~~~~~~~~~
>> include/net/netfilter/nf_recursion.h:12:51: error: 'struct netdev_xmit' has no member named 'nf_dup_skb_recursion'
      12 |  return unlikely(__this_cpu_read(softnet_data.xmit.nf_dup_skb_recursion) >
         |                                                   ^
   include/linux/compiler.h:77:42: note: in definition of macro 'unlikely'
      77 | # define unlikely(x) __builtin_expect(!!(x), 0)
         |                                          ^
   include/linux/percpu-defs.h:260:2: note: in expansion of macro 'PERCPU_PTR'
     260 |  PERCPU_PTR(ptr);      \
         |  ^~~~~~~~~~
   include/linux/percpu-defs.h:263:26: note: in expansion of macro 'per_cpu_ptr'
     263 | #define raw_cpu_ptr(ptr) per_cpu_ptr(ptr, 0)
         |                          ^~~~~~~~~~~
   include/asm-generic/percpu.h:82:3: note: in expansion of macro 'raw_cpu_ptr'
      82 |  *raw_cpu_ptr(&(pcp));      \
         |   ^~~~~~~~~~~
   include/asm-generic/percpu.h:217:30: note: in expansion of macro 'raw_cpu_generic_read'
     217 | #define raw_cpu_read_1(pcp)  raw_cpu_generic_read(pcp)
         |                              ^~~~~~~~~~~~~~~~~~~~
   include/linux/percpu-defs.h:320:23: note: in expansion of macro 'raw_cpu_read_1'
     320 |  case 1: pscr_ret__ = stem##1(variable); break;   \
         |                       ^~~~
   include/linux/percpu-defs.h:407:28: note: in expansion of macro '__pcpu_size_call_return'
     407 | #define raw_cpu_read(pcp)  __pcpu_size_call_return(raw_cpu_read_, pcp)
         |                            ^~~~~~~~~~~~~~~~~~~~~~~
   include/linux/percpu-defs.h:432:2: note: in expansion of macro 'raw_cpu_read'
     432 |  raw_cpu_read(pcp);      \
         |  ^~~~~~~~~~~~
   include/net/netfilter/nf_recursion.h:12:18: note: in expansion of macro '__this_cpu_read'
      12 |  return unlikely(__this_cpu_read(softnet_data.xmit.nf_dup_skb_recursion) >
         |                  ^~~~~~~~~~~~~~~
>> include/net/netfilter/nf_recursion.h:12:51: error: 'struct netdev_xmit' has no member named 'nf_dup_skb_recursion'
      12 |  return unlikely(__this_cpu_read(softnet_data.xmit.nf_dup_skb_recursion) >
         |                                                   ^
   include/linux/compiler.h:77:42: note: in definition of macro 'unlikely'
      77 | # define unlikely(x) __builtin_expect(!!(x), 0)
         |                                          ^
   include/linux/percpu-defs.h:259:2: note: in expansion of macro '__verify_pcpu_ptr'
     259 |  __verify_pcpu_ptr(ptr);      \
         |  ^~~~~~~~~~~~~~~~~
   include/linux/percpu-defs.h:263:26: note: in expansion of macro 'per_cpu_ptr'
     263 | #define raw_cpu_ptr(ptr) per_cpu_ptr(ptr, 0)
         |                          ^~~~~~~~~~~
   include/asm-generic/percpu.h:82:3: note: in expansion of macro 'raw_cpu_ptr'
      82 |  *raw_cpu_ptr(&(pcp));      \
         |   ^~~~~~~~~~~
   include/asm-generic/percpu.h:220:30: note: in expansion of macro 'raw_cpu_generic_read'
     220 | #define raw_cpu_read_2(pcp)  raw_cpu_generic_read(pcp)
         |                              ^~~~~~~~~~~~~~~~~~~~
   include/linux/percpu-defs.h:321:23: note: in expansion of macro 'raw_cpu_read_2'
     321 |  case 2: pscr_ret__ = stem##2(variable); break;   \
         |                       ^~~~
   include/linux/percpu-defs.h:407:28: note: in expansion of macro '__pcpu_size_call_return'
     407 | #define raw_cpu_read(pcp)  __pcpu_size_call_return(raw_cpu_read_, pcp)
         |                            ^~~~~~~~~~~~~~~~~~~~~~~
   include/linux/percpu-defs.h:432:2: note: in expansion of macro 'raw_cpu_read'
     432 |  raw_cpu_read(pcp);      \
         |  ^~~~~~~~~~~~
   include/net/netfilter/nf_recursion.h:12:18: note: in expansion of macro '__this_cpu_read'
      12 |  return unlikely(__this_cpu_read(softnet_data.xmit.nf_dup_skb_recursion) >
         |                  ^~~~~~~~~~~~~~~
>> include/net/netfilter/nf_recursion.h:12:51: error: 'struct netdev_xmit' has no member named 'nf_dup_skb_recursion'
      12 |  return unlikely(__this_cpu_read(softnet_data.xmit.nf_dup_skb_recursion) >
         |                                                   ^
   include/linux/compiler.h:77:42: note: in definition of macro 'unlikely'
      77 | # define unlikely(x) __builtin_expect(!!(x), 0)
         |                                          ^
   include/linux/percpu-defs.h:221:3: note: in expansion of macro 'TYPEOF_UNQUAL'
     221 |  (TYPEOF_UNQUAL(*(__p)) __force __kernel *)((__force unsigned long)(__p))
         |   ^~~~~~~~~~~~~
   include/linux/percpu-defs.h:260:2: note: in expansion of macro 'PERCPU_PTR'
     260 |  PERCPU_PTR(ptr);      \
         |  ^~~~~~~~~~
   include/linux/percpu-defs.h:263:26: note: in expansion of macro 'per_cpu_ptr'
     263 | #define raw_cpu_ptr(ptr) per_cpu_ptr(ptr, 0)
         |                          ^~~~~~~~~~~
   include/asm-generic/percpu.h:82:3: note: in expansion of macro 'raw_cpu_ptr'
      82 |  *raw_cpu_ptr(&(pcp));      \
         |   ^~~~~~~~~~~
   include/asm-generic/percpu.h:220:30: note: in expansion of macro 'raw_cpu_generic_read'
     220 | #define raw_cpu_read_2(pcp)  raw_cpu_generic_read(pcp)
         |                              ^~~~~~~~~~~~~~~~~~~~
   include/linux/percpu-defs.h:321:23: note: in expansion of macro 'raw_cpu_read_2'
     321 |  case 2: pscr_ret__ = stem##2(variable); break;   \
         |                       ^~~~
   include/linux/percpu-defs.h:407:28: note: in expansion of macro '__pcpu_size_call_return'
     407 | #define raw_cpu_read(pcp)  __pcpu_size_call_return(raw_cpu_read_, pcp)
         |                            ^~~~~~~~~~~~~~~~~~~~~~~
   include/linux/percpu-defs.h:432:2: note: in expansion of macro 'raw_cpu_read'
     432 |  raw_cpu_read(pcp);      \
         |  ^~~~~~~~~~~~
   include/net/netfilter/nf_recursion.h:12:18: note: in expansion of macro '__this_cpu_read'
      12 |  return unlikely(__this_cpu_read(softnet_data.xmit.nf_dup_skb_recursion) >
         |                  ^~~~~~~~~~~~~~~
>> include/net/netfilter/nf_recursion.h:12:51: error: 'struct netdev_xmit' has no member named 'nf_dup_skb_recursion'
      12 |  return unlikely(__this_cpu_read(softnet_data.xmit.nf_dup_skb_recursion) >
         |                                                   ^
   include/linux/compiler.h:77:42: note: in definition of macro 'unlikely'
      77 | # define unlikely(x) __builtin_expect(!!(x), 0)
         |                                          ^
   include/linux/percpu-defs.h:260:2: note: in expansion of macro 'PERCPU_PTR'
     260 |  PERCPU_PTR(ptr);      \
         |  ^~~~~~~~~~
   include/linux/percpu-defs.h:263:26: note: in expansion of macro 'per_cpu_ptr'
     263 | #define raw_cpu_ptr(ptr) per_cpu_ptr(ptr, 0)
         |                          ^~~~~~~~~~~
   include/asm-generic/percpu.h:82:3: note: in expansion of macro 'raw_cpu_ptr'
      82 |  *raw_cpu_ptr(&(pcp));      \
         |   ^~~~~~~~~~~
   include/asm-generic/percpu.h:220:30: note: in expansion of macro 'raw_cpu_generic_read'
     220 | #define raw_cpu_read_2(pcp)  raw_cpu_generic_read(pcp)
         |                              ^~~~~~~~~~~~~~~~~~~~
   include/linux/percpu-defs.h:321:23: note: in expansion of macro 'raw_cpu_read_2'
     321 |  case 2: pscr_ret__ = stem##2(variable); break;   \
         |                       ^~~~
   include/linux/percpu-defs.h:407:28: note: in expansion of macro '__pcpu_size_call_return'
     407 | #define raw_cpu_read(pcp)  __pcpu_size_call_return(raw_cpu_read_, pcp)
         |                            ^~~~~~~~~~~~~~~~~~~~~~~
   include/linux/percpu-defs.h:432:2: note: in expansion of macro 'raw_cpu_read'
     432 |  raw_cpu_read(pcp);      \
         |  ^~~~~~~~~~~~
   include/net/netfilter/nf_recursion.h:12:18: note: in expansion of macro '__this_cpu_read'
      12 |  return unlikely(__this_cpu_read(softnet_data.xmit.nf_dup_skb_recursion) >
         |                  ^~~~~~~~~~~~~~~
>> include/net/netfilter/nf_recursion.h:12:51: error: 'struct netdev_xmit' has no member named 'nf_dup_skb_recursion'
      12 |  return unlikely(__this_cpu_read(softnet_data.xmit.nf_dup_skb_recursion) >
         |                                                   ^
   include/linux/compiler.h:77:42: note: in definition of macro 'unlikely'
      77 | # define unlikely(x) __builtin_expect(!!(x), 0)
         |                                          ^
   include/linux/percpu-defs.h:259:2: note: in expansion of macro '__verify_pcpu_ptr'
     259 |  __verify_pcpu_ptr(ptr);      \
         |  ^~~~~~~~~~~~~~~~~
   include/linux/percpu-defs.h:263:26: note: in expansion of macro 'per_cpu_ptr'
     263 | #define raw_cpu_ptr(ptr) per_cpu_ptr(ptr, 0)
         |                          ^~~~~~~~~~~
   include/asm-generic/percpu.h:82:3: note: in expansion of macro 'raw_cpu_ptr'
      82 |  *raw_cpu_ptr(&(pcp));      \
         |   ^~~~~~~~~~~
   include/asm-generic/percpu.h:223:30: note: in expansion of macro 'raw_cpu_generic_read'
     223 | #define raw_cpu_read_4(pcp)  raw_cpu_generic_read(pcp)
         |                              ^~~~~~~~~~~~~~~~~~~~
   include/linux/percpu-defs.h:322:23: note: in expansion of macro 'raw_cpu_read_4'
     322 |  case 4: pscr_ret__ = stem##4(variable); break;   \
         |                       ^~~~
   include/linux/percpu-defs.h:407:28: note: in expansion of macro '__pcpu_size_call_return'
     407 | #define raw_cpu_read(pcp)  __pcpu_size_call_return(raw_cpu_read_, pcp)
         |                            ^~~~~~~~~~~~~~~~~~~~~~~
   include/linux/percpu-defs.h:432:2: note: in expansion of macro 'raw_cpu_read'
     432 |  raw_cpu_read(pcp);      \
         |  ^~~~~~~~~~~~
   include/net/netfilter/nf_recursion.h:12:18: note: in expansion of macro '__this_cpu_read'
      12 |  return unlikely(__this_cpu_read(softnet_data.xmit.nf_dup_skb_recursion) >
         |                  ^~~~~~~~~~~~~~~
>> include/net/netfilter/nf_recursion.h:12:51: error: 'struct netdev_xmit' has no member named 'nf_dup_skb_recursion'
      12 |  return unlikely(__this_cpu_read(softnet_data.xmit.nf_dup_skb_recursion) >
         |                                                   ^
   include/linux/compiler.h:77:42: note: in definition of macro 'unlikely'
      77 | # define unlikely(x) __builtin_expect(!!(x), 0)
         |                                          ^
   include/linux/percpu-defs.h:221:3: note: in expansion of macro 'TYPEOF_UNQUAL'
     221 |  (TYPEOF_UNQUAL(*(__p)) __force __kernel *)((__force unsigned long)(__p))
         |   ^~~~~~~~~~~~~
   include/linux/percpu-defs.h:260:2: note: in expansion of macro 'PERCPU_PTR'
     260 |  PERCPU_PTR(ptr);      \
         |  ^~~~~~~~~~
   include/linux/percpu-defs.h:263:26: note: in expansion of macro 'per_cpu_ptr'
     263 | #define raw_cpu_ptr(ptr) per_cpu_ptr(ptr, 0)
         |                          ^~~~~~~~~~~
   include/asm-generic/percpu.h:82:3: note: in expansion of macro 'raw_cpu_ptr'
      82 |  *raw_cpu_ptr(&(pcp));      \
         |   ^~~~~~~~~~~
   include/asm-generic/percpu.h:223:30: note: in expansion of macro 'raw_cpu_generic_read'
     223 | #define raw_cpu_read_4(pcp)  raw_cpu_generic_read(pcp)
         |                              ^~~~~~~~~~~~~~~~~~~~
   include/linux/percpu-defs.h:322:23: note: in expansion of macro 'raw_cpu_read_4'
     322 |  case 4: pscr_ret__ = stem##4(variable); break;   \
         |                       ^~~~
   include/linux/percpu-defs.h:407:28: note: in expansion of macro '__pcpu_size_call_return'
     407 | #define raw_cpu_read(pcp)  __pcpu_size_call_return(raw_cpu_read_, pcp)
         |                            ^~~~~~~~~~~~~~~~~~~~~~~
   include/linux/percpu-defs.h:432:2: note: in expansion of macro 'raw_cpu_read'
     432 |  raw_cpu_read(pcp);      \
         |  ^~~~~~~~~~~~
   include/net/netfilter/nf_recursion.h:12:18: note: in expansion of macro '__this_cpu_read'
      12 |  return unlikely(__this_cpu_read(softnet_data.xmit.nf_dup_skb_recursion) >
         |                  ^~~~~~~~~~~~~~~
>> include/net/netfilter/nf_recursion.h:12:51: error: 'struct netdev_xmit' has no member named 'nf_dup_skb_recursion'
      12 |  return unlikely(__this_cpu_read(softnet_data.xmit.nf_dup_skb_recursion) >
         |                                                   ^
   include/linux/compiler.h:77:42: note: in definition of macro 'unlikely'
      77 | # define unlikely(x) __builtin_expect(!!(x), 0)
         |                                          ^
   include/linux/percpu-defs.h:260:2: note: in expansion of macro 'PERCPU_PTR'
     260 |  PERCPU_PTR(ptr);      \
         |  ^~~~~~~~~~
   include/linux/percpu-defs.h:263:26: note: in expansion of macro 'per_cpu_ptr'
     263 | #define raw_cpu_ptr(ptr) per_cpu_ptr(ptr, 0)
         |                          ^~~~~~~~~~~
   include/asm-generic/percpu.h:82:3: note: in expansion of macro 'raw_cpu_ptr'
      82 |  *raw_cpu_ptr(&(pcp));      \
         |   ^~~~~~~~~~~
   include/asm-generic/percpu.h:223:30: note: in expansion of macro 'raw_cpu_generic_read'
     223 | #define raw_cpu_read_4(pcp)  raw_cpu_generic_read(pcp)
         |                              ^~~~~~~~~~~~~~~~~~~~
   include/linux/percpu-defs.h:322:23: note: in expansion of macro 'raw_cpu_read_4'
     322 |  case 4: pscr_ret__ = stem##4(variable); break;   \
         |                       ^~~~
   include/linux/percpu-defs.h:407:28: note: in expansion of macro '__pcpu_size_call_return'
     407 | #define raw_cpu_read(pcp)  __pcpu_size_call_return(raw_cpu_read_, pcp)
         |                            ^~~~~~~~~~~~~~~~~~~~~~~
   include/linux/percpu-defs.h:432:2: note: in expansion of macro 'raw_cpu_read'
     432 |  raw_cpu_read(pcp);      \
         |  ^~~~~~~~~~~~
   include/net/netfilter/nf_recursion.h:12:18: note: in expansion of macro '__this_cpu_read'
      12 |  return unlikely(__this_cpu_read(softnet_data.xmit.nf_dup_skb_recursion) >
         |                  ^~~~~~~~~~~~~~~
>> include/net/netfilter/nf_recursion.h:12:51: error: 'struct netdev_xmit' has no member named 'nf_dup_skb_recursion'
      12 |  return unlikely(__this_cpu_read(softnet_data.xmit.nf_dup_skb_recursion) >
         |                                                   ^
   include/linux/compiler.h:77:42: note: in definition of macro 'unlikely'
      77 | # define unlikely(x) __builtin_expect(!!(x), 0)
         |                                          ^
   include/linux/percpu-defs.h:259:2: note: in expansion of macro '__verify_pcpu_ptr'
     259 |  __verify_pcpu_ptr(ptr);      \
         |  ^~~~~~~~~~~~~~~~~
   include/linux/percpu-defs.h:263:26: note: in expansion of macro 'per_cpu_ptr'
     263 | #define raw_cpu_ptr(ptr) per_cpu_ptr(ptr, 0)
         |                          ^~~~~~~~~~~
   include/asm-generic/percpu.h:82:3: note: in expansion of macro 'raw_cpu_ptr'
      82 |  *raw_cpu_ptr(&(pcp));      \
         |   ^~~~~~~~~~~
   include/asm-generic/percpu.h:226:30: note: in expansion of macro 'raw_cpu_generic_read'
     226 | #define raw_cpu_read_8(pcp)  raw_cpu_generic_read(pcp)
         |                              ^~~~~~~~~~~~~~~~~~~~
   include/linux/percpu-defs.h:323:23: note: in expansion of macro 'raw_cpu_read_8'
     323 |  case 8: pscr_ret__ = stem##8(variable); break;   \
         |                       ^~~~
   include/linux/percpu-defs.h:407:28: note: in expansion of macro '__pcpu_size_call_return'
     407 | #define raw_cpu_read(pcp)  __pcpu_size_call_return(raw_cpu_read_, pcp)
         |                            ^~~~~~~~~~~~~~~~~~~~~~~
   include/linux/percpu-defs.h:432:2: note: in expansion of macro 'raw_cpu_read'
     432 |  raw_cpu_read(pcp);      \
         |  ^~~~~~~~~~~~
   include/net/netfilter/nf_recursion.h:12:18: note: in expansion of macro '__this_cpu_read'
      12 |  return unlikely(__this_cpu_read(softnet_data.xmit.nf_dup_skb_recursion) >
         |                  ^~~~~~~~~~~~~~~
>> include/net/netfilter/nf_recursion.h:12:51: error: 'struct netdev_xmit' has no member named 'nf_dup_skb_recursion'
      12 |  return unlikely(__this_cpu_read(softnet_data.xmit.nf_dup_skb_recursion) >
         |                                                   ^
   include/linux/compiler.h:77:42: note: in definition of macro 'unlikely'
      77 | # define unlikely(x) __builtin_expect(!!(x), 0)
         |                                          ^
   include/linux/percpu-defs.h:221:3: note: in expansion of macro 'TYPEOF_UNQUAL'
     221 |  (TYPEOF_UNQUAL(*(__p)) __force __kernel *)((__force unsigned long)(__p))
         |   ^~~~~~~~~~~~~
   include/linux/percpu-defs.h:260:2: note: in expansion of macro 'PERCPU_PTR'
     260 |  PERCPU_PTR(ptr);      \
         |  ^~~~~~~~~~
   include/linux/percpu-defs.h:263:26: note: in expansion of macro 'per_cpu_ptr'
     263 | #define raw_cpu_ptr(ptr) per_cpu_ptr(ptr, 0)
         |                          ^~~~~~~~~~~
   include/asm-generic/percpu.h:82:3: note: in expansion of macro 'raw_cpu_ptr'
      82 |  *raw_cpu_ptr(&(pcp));      \
         |   ^~~~~~~~~~~
   include/asm-generic/percpu.h:226:30: note: in expansion of macro 'raw_cpu_generic_read'
     226 | #define raw_cpu_read_8(pcp)  raw_cpu_generic_read(pcp)
         |                              ^~~~~~~~~~~~~~~~~~~~
   include/linux/percpu-defs.h:323:23: note: in expansion of macro 'raw_cpu_read_8'
     323 |  case 8: pscr_ret__ = stem##8(variable); break;   \
         |                       ^~~~
   include/linux/percpu-defs.h:407:28: note: in expansion of macro '__pcpu_size_call_return'
     407 | #define raw_cpu_read(pcp)  __pcpu_size_call_return(raw_cpu_read_, pcp)
         |                            ^~~~~~~~~~~~~~~~~~~~~~~
   include/linux/percpu-defs.h:432:2: note: in expansion of macro 'raw_cpu_read'
     432 |  raw_cpu_read(pcp);      \
         |  ^~~~~~~~~~~~
   include/net/netfilter/nf_recursion.h:12:18: note: in expansion of macro '__this_cpu_read'
      12 |  return unlikely(__this_cpu_read(softnet_data.xmit.nf_dup_skb_recursion) >
         |                  ^~~~~~~~~~~~~~~
>> include/net/netfilter/nf_recursion.h:12:51: error: 'struct netdev_xmit' has no member named 'nf_dup_skb_recursion'
      12 |  return unlikely(__this_cpu_read(softnet_data.xmit.nf_dup_skb_recursion) >
         |                                                   ^
   include/linux/compiler.h:77:42: note: in definition of macro 'unlikely'
      77 | # define unlikely(x) __builtin_expect(!!(x), 0)
         |                                          ^
   include/linux/percpu-defs.h:260:2: note: in expansion of macro 'PERCPU_PTR'
     260 |  PERCPU_PTR(ptr);      \
         |  ^~~~~~~~~~
   include/linux/percpu-defs.h:263:26: note: in expansion of macro 'per_cpu_ptr'
     263 | #define raw_cpu_ptr(ptr) per_cpu_ptr(ptr, 0)
         |                          ^~~~~~~~~~~
   include/asm-generic/percpu.h:82:3: note: in expansion of macro 'raw_cpu_ptr'
      82 |  *raw_cpu_ptr(&(pcp));      \
         |   ^~~~~~~~~~~
   include/asm-generic/percpu.h:226:30: note: in expansion of macro 'raw_cpu_generic_read'
     226 | #define raw_cpu_read_8(pcp)  raw_cpu_generic_read(pcp)
         |                              ^~~~~~~~~~~~~~~~~~~~
   include/linux/percpu-defs.h:323:23: note: in expansion of macro 'raw_cpu_read_8'
     323 |  case 8: pscr_ret__ = stem##8(variable); break;   \
         |                       ^~~~
   include/linux/percpu-defs.h:407:28: note: in expansion of macro '__pcpu_size_call_return'
     407 | #define raw_cpu_read(pcp)  __pcpu_size_call_return(raw_cpu_read_, pcp)
         |                            ^~~~~~~~~~~~~~~~~~~~~~~
   include/linux/percpu-defs.h:432:2: note: in expansion of macro 'raw_cpu_read'
     432 |  raw_cpu_read(pcp);      \
         |  ^~~~~~~~~~~~
   include/net/netfilter/nf_recursion.h:12:18: note: in expansion of macro '__this_cpu_read'
      12 |  return unlikely(__this_cpu_read(softnet_data.xmit.nf_dup_skb_recursion) >
         |                  ^~~~~~~~~~~~~~~
   In file included from include/asm-generic/percpu.h:9,
                    from arch/arm/include/asm/percpu.h:68,
                    from include/linux/irqflags.h:19,
                    from arch/arm/include/asm/bitops.h:28,
                    from include/linux/bitops.h:67,
                    from include/linux/log2.h:12,
                    from include/asm-generic/div64.h:55,
                    from arch/arm/include/asm/div64.h:114,
                    from include/linux/math.h:6,
                    from include/linux/math64.h:6,
                    from include/linux/time.h:6,
                    from include/linux/stat.h:19,
                    from include/linux/module.h:13,
                    from net/ipv4/netfilter/nf_reject_ipv4.c:6:
   include/net/netfilter/nf_recursion.h: In function 'nf_dev_xmit_recursion_inc':
   include/net/netfilter/nf_recursion.h:18:34: error: 'struct netdev_xmit' has no member named 'nf_dup_skb_recursion'
      18 |  __this_cpu_inc(softnet_data.xmit.nf_dup_skb_recursion);
         |                                  ^
   include/linux/percpu-defs.h:216:47: note: in definition of macro '__verify_pcpu_ptr'
     216 |  const void __percpu *__vpp_verify = (typeof((ptr) + 0))NULL; \
         |                                               ^~~
   include/linux/percpu-defs.h:409:32: note: in expansion of macro '__pcpu_size_call'
     409 | #define raw_cpu_add(pcp, val)  __pcpu_size_call(raw_cpu_add_, pcp, val)
         |                                ^~~~~~~~~~~~~~~~
   include/linux/percpu-defs.h:444:2: note: in expansion of macro 'raw_cpu_add'
     444 |  raw_cpu_add(pcp, val);      \
         |  ^~~~~~~~~~~
   include/linux/percpu-defs.h:484:30: note: in expansion of macro '__this_cpu_add'
     484 | #define __this_cpu_inc(pcp)  __this_cpu_add(pcp, 1)
         |                              ^~~~~~~~~~~~~~
   include/net/netfilter/nf_recursion.h:18:2: note: in expansion of macro '__this_cpu_inc'
      18 |  __this_cpu_inc(softnet_data.xmit.nf_dup_skb_recursion);
         |  ^~~~~~~~~~~~~~
   include/net/netfilter/nf_recursion.h:18:34: error: 'struct netdev_xmit' has no member named 'nf_dup_skb_recursion'
      18 |  __this_cpu_inc(softnet_data.xmit.nf_dup_skb_recursion);
         |                                  ^
   include/linux/percpu-defs.h:363:16: note: in definition of macro '__pcpu_size_call'
     363 |  switch(sizeof(variable)) {     \
         |                ^~~~~~~~
   include/linux/percpu-defs.h:444:2: note: in expansion of macro 'raw_cpu_add'
     444 |  raw_cpu_add(pcp, val);      \
         |  ^~~~~~~~~~~
   include/linux/percpu-defs.h:484:30: note: in expansion of macro '__this_cpu_add'
     484 | #define __this_cpu_inc(pcp)  __this_cpu_add(pcp, 1)
         |                              ^~~~~~~~~~~~~~
   include/net/netfilter/nf_recursion.h:18:2: note: in expansion of macro '__this_cpu_inc'
      18 |  __this_cpu_inc(softnet_data.xmit.nf_dup_skb_recursion);
         |  ^~~~~~~~~~~~~~
   include/net/netfilter/nf_recursion.h:18:34: error: 'struct netdev_xmit' has no member named 'nf_dup_skb_recursion'
      18 |  __this_cpu_inc(softnet_data.xmit.nf_dup_skb_recursion);
         |                                  ^
   include/linux/percpu-defs.h:216:47: note: in definition of macro '__verify_pcpu_ptr'
     216 |  const void __percpu *__vpp_verify = (typeof((ptr) + 0))NULL; \
         |                                               ^~~
   include/linux/percpu-defs.h:263:26: note: in expansion of macro 'per_cpu_ptr'
     263 | #define raw_cpu_ptr(ptr) per_cpu_ptr(ptr, 0)
         |                          ^~~~~~~~~~~
   include/asm-generic/percpu.h:87:3: note: in expansion of macro 'raw_cpu_ptr'
      87 |  *raw_cpu_ptr(&(pcp)) op val;     \
         |   ^~~~~~~~~~~
   include/asm-generic/percpu.h:243:34: note: in expansion of macro 'raw_cpu_generic_to_op'
     243 | #define raw_cpu_add_1(pcp, val)  raw_cpu_generic_to_op(pcp, val, +=)
         |                                  ^~~~~~~~~~~~~~~~~~~~~
   include/linux/percpu-defs.h:364:11: note: in expansion of macro 'raw_cpu_add_1'
     364 |   case 1: stem##1(variable, __VA_ARGS__);break;  \
         |           ^~~~
   include/linux/percpu-defs.h:409:32: note: in expansion of macro '__pcpu_size_call'
     409 | #define raw_cpu_add(pcp, val)  __pcpu_size_call(raw_cpu_add_, pcp, val)
         |                                ^~~~~~~~~~~~~~~~
   include/linux/percpu-defs.h:444:2: note: in expansion of macro 'raw_cpu_add'
     444 |  raw_cpu_add(pcp, val);      \


vim +12 include/net/netfilter/nf_recursion.h

     8	
     9	#ifndef CONFIG_PREEMPT_RT
    10	static inline bool nf_dev_xmit_recursion(void)
    11	{
  > 12		return unlikely(__this_cpu_read(softnet_data.xmit.nf_dup_skb_recursion) >
    13				NF_RECURSION_LIMIT);
    14	}
    15	

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

  parent reply	other threads:[~2026-09-23 21:01 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-22  9:25 [PATCH nf v2] netfilter: nft_reject: prevent unbounded recursion in output hooks Fernando Fernandez Mancera
2026-09-22 10:25 ` Florian Westphal
2026-09-23 21:00 ` kernel test robot [this message]
2026-09-23 22:06 ` kernel test robot

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=202609240424.i9W3b2H2-lkp@intel.com \
    --to=lkp@intel.com \
    --cc=coreteam@netfilter.org \
    --cc=eric@regit.org \
    --cc=fmancera@suse.de \
    --cc=fw@strlen.de \
    --cc=junzheyu1@gmail.com \
    --cc=netfilter-devel@vger.kernel.org \
    --cc=oe-kbuild-all@lists.linux.dev \
    --cc=pablo@netfilter.org \
    --cc=phil@nwl.cc \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.