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
--
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next prev 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
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