From: kernel test robot <lkp@intel.com>
To: wen.yang@linux.dev
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev
Subject: Re: [RFC PATCH 39/39] sysctl: remove the extra pointers and the compatibility bounds read
Date: Wed, 4 Nov 2026 13:45:45 +0800 [thread overview]
Message-ID: <202611041234.Gjf6kfSR-lkp@intel.com> (raw)
In-Reply-To: <b6e4cbd509687301a8ee2106f19a3ac01e7671a6.1793204511.git.wen.yang@linux.dev>
Hi,
[This is a private test report for your RFC patch.]
kernel test robot noticed the following build errors:
[auto build test ERROR on akpm-mm/mm-everything]
[cannot apply to sysctl/sysctl-next brauner-vfs/vfs.all linus/master mcgrof/sysctl-next v7.3 next-20261030]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/wen-yang-linux-dev/sysctl-replace-overloaded-extra-pointers-with-typed-bounds-and-context/20261029-003440
base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything
patch link: https://lore.kernel.org/r/b6e4cbd509687301a8ee2106f19a3ac01e7671a6.1793204511.git.wen.yang%40linux.dev
patch subject: [RFC PATCH 39/39] sysctl: remove the extra pointers and the compatibility bounds read
config: um-defconfig (https://download.01.org/0day-ci/archive/20261104/202611041234.Gjf6kfSR-lkp@intel.com/config)
compiler: clang version 24.0.0git (https://github.com/llvm/llvm-project 65303e81f481bbfe386b8596423f94c43198ba94)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261104/202611041234.Gjf6kfSR-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/202611041234.Gjf6kfSR-lkp@intel.com/
All errors (new ones prefixed by >>):
>> net/unix/sysctl_net_unix.c:23:4: error: field designator 'extra1' does not refer to any field in type 'const struct ctl_table'
23 | .extra1 = SYSCTL_ZERO,
| ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> net/unix/sysctl_net_unix.c:24:4: error: field designator 'extra2' does not refer to any field in type 'const struct ctl_table'
24 | .extra2 = SYSCTL_INT_MAX,
| ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> net/unix/sysctl_net_unix.c:32:36: error: invalid application of 'sizeof' to an incomplete type 'const struct ctl_table[]'
32 | table = kmemdup(unix_table, sizeof(unix_table), GFP_KERNEL);
| ^~~~~~~~~~~~
include/linux/string.h:315:49: note: expanded from macro 'kmemdup'
315 | #define kmemdup(...) alloc_hooks(kmemdup_noprof(__VA_ARGS__))
| ^~~~~~~~~~~
include/linux/alloc_tag.h:270:31: note: expanded from macro 'alloc_hooks'
270 | alloc_hooks_tag(&_alloc_tag, _do_alloc); \
| ^~~~~~~~~
include/linux/alloc_tag.h:256:9: note: expanded from macro 'alloc_hooks_tag'
256 | typeof(_do_alloc) _res; \
| ^~~~~~~~~
>> net/unix/sysctl_net_unix.c:32:36: error: invalid application of 'sizeof' to an incomplete type 'const struct ctl_table[]'
32 | table = kmemdup(unix_table, sizeof(unix_table), GFP_KERNEL);
| ^~~~~~~~~~~~
include/linux/string.h:315:49: note: expanded from macro 'kmemdup'
315 | #define kmemdup(...) alloc_hooks(kmemdup_noprof(__VA_ARGS__))
| ^~~~~~~~~~~
include/linux/alloc_tag.h:270:31: note: expanded from macro 'alloc_hooks'
270 | alloc_hooks_tag(&_alloc_tag, _do_alloc); \
| ^~~~~~~~~
include/linux/alloc_tag.h:260:10: note: expanded from macro 'alloc_hooks_tag'
260 | _res = _do_alloc; \
| ^~~~~~~~~
>> net/unix/sysctl_net_unix.c:32:36: error: invalid application of 'sizeof' to an incomplete type 'const struct ctl_table[]'
32 | table = kmemdup(unix_table, sizeof(unix_table), GFP_KERNEL);
| ^~~~~~~~~~~~
include/linux/string.h:315:49: note: expanded from macro 'kmemdup'
315 | #define kmemdup(...) alloc_hooks(kmemdup_noprof(__VA_ARGS__))
| ^~~~~~~~~~~
include/linux/alloc_tag.h:270:31: note: expanded from macro 'alloc_hooks'
270 | alloc_hooks_tag(&_alloc_tag, _do_alloc); \
| ^~~~~~~~~
include/linux/alloc_tag.h:263:10: note: expanded from macro 'alloc_hooks_tag'
263 | _res = _do_alloc; \
| ^~~~~~~~~
net/unix/sysctl_net_unix.c:54:12: error: invalid application of 'sizeof' to an incomplete type 'const struct ctl_table[]'
54 | ARRAY_SIZE(unix_table));
| ^~~~~~~~~~~~~~~~~~~~~~
include/linux/array_size.h:11:32: note: expanded from macro 'ARRAY_SIZE'
11 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
| ^~~~~
6 errors generated.
vim +23 net/unix/sysctl_net_unix.c
84960bf2403123a Kuniyuki Iwashima 2025-03-17 15
0abc76bc20826e2 Joel Granados 2026-08-10 16 static const struct ctl_table unix_table[] = {
^1da177e4c3f415 Linus Torvalds 2005-04-16 17 {
^1da177e4c3f415 Linus Torvalds 2005-04-16 18 .procname = "max_dgram_qlen",
a0a53c8ba95451f Denis V. Lunev 2007-12-11 19 .data = &init_net.unx.sysctl_max_dgram_qlen,
^1da177e4c3f415 Linus Torvalds 2005-04-16 20 .maxlen = sizeof(int),
^1da177e4c3f415 Linus Torvalds 2005-04-16 21 .mode = 0644,
1a4e7bc6e3457ad Yingjie Wang 2026-10-16 22 .proc_handler = proc_dointvec_minmax,
1a4e7bc6e3457ad Yingjie Wang 2026-10-16 @23 .extra1 = SYSCTL_ZERO,
1a4e7bc6e3457ad Yingjie Wang 2026-10-16 @24 .extra2 = SYSCTL_INT_MAX,
^1da177e4c3f415 Linus Torvalds 2005-04-16 25 },
^1da177e4c3f415 Linus Torvalds 2005-04-16 26 };
^1da177e4c3f415 Linus Torvalds 2005-04-16 27
0abc76bc20826e2 Joel Granados 2026-08-10 28 static const struct ctl_table *unix_table_dup(struct net *net)
^1da177e4c3f415 Linus Torvalds 2005-04-16 29 {
1597fbc0faf88c4 Pavel Emelyanov 2007-12-01 30 struct ctl_table *table;
1597fbc0faf88c4 Pavel Emelyanov 2007-12-01 31
0abc76bc20826e2 Joel Granados 2026-08-10 @32 table = kmemdup(unix_table, sizeof(unix_table), GFP_KERNEL);
0abc76bc20826e2 Joel Granados 2026-08-10 33 if (!table)
0abc76bc20826e2 Joel Granados 2026-08-10 34 return NULL;
0abc76bc20826e2 Joel Granados 2026-08-10 35
0abc76bc20826e2 Joel Granados 2026-08-10 36 table[0].data = &net->unx.sysctl_max_dgram_qlen;
0abc76bc20826e2 Joel Granados 2026-08-10 37
0abc76bc20826e2 Joel Granados 2026-08-10 38 return table;
0abc76bc20826e2 Joel Granados 2026-08-10 39 }
0abc76bc20826e2 Joel Granados 2026-08-10 40
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
next prev parent reply other threads:[~2026-11-04 5:46 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-28 16:34 [RFC PATCH 00/39] sysctl: replace overloaded extra pointers with typed bounds and context wen.yang
2026-10-28 16:34 ` [RFC PATCH 01/39] " wen.yang
2026-10-28 21:09 ` David Laight
2026-11-07 17:43 ` Joel Granados
2026-10-28 16:34 ` [RFC PATCH 02/39] test_sysctl: convert bounds to numeric values wen.yang
2026-10-28 16:34 ` [RFC PATCH 03/39] sysctl: add KUnit coverage for numeric bounds and handlers wen.yang
2026-11-04 5:46 ` kernel test robot
2026-10-28 16:34 ` [RFC PATCH 04/39] sysctl: cover runtime ranges and context lifecycles in KUnit wen.yang
2026-10-28 16:34 ` [RFC PATCH 05/39] sysctl: cover priv in KUnit and the debug test module wen.yang
2026-10-28 16:34 ` [RFC PATCH 06/39] sysctl: convert core table bounds to numeric values wen.yang
2026-10-28 16:34 ` [RFC PATCH 07/39] sysctl: store architecture sysctl bounds by value wen.yang
2026-10-28 16:34 ` [RFC PATCH 08/39] sysctl: store crypto " wen.yang
2026-10-28 16:34 ` [RFC PATCH 09/39] sysctl: store device " wen.yang
2026-10-28 16:34 ` [RFC PATCH 10/39] sysctl: store filesystem " wen.yang
2026-10-28 16:34 ` [RFC PATCH 11/39] sysctl: store message-queue " wen.yang
2026-10-28 16:34 ` [RFC PATCH 12/39] sysctl: store kernel " wen.yang
2026-10-28 16:34 ` [RFC PATCH 13/39] sysctl: store memory-management " wen.yang
2026-10-28 16:34 ` [RFC PATCH 14/39] sysctl: store IPv6 scalar " wen.yang
2026-10-28 16:34 ` [RFC PATCH 15/39] sysctl: store netfilter " wen.yang
2026-10-28 16:34 ` [RFC PATCH 16/39] sysctl: store RPC " wen.yang
2026-10-28 16:34 ` [RFC PATCH 17/39] sysctl: store remaining network " wen.yang
2026-10-28 16:34 ` [RFC PATCH 18/39] sysctl: store security " wen.yang
2026-10-28 16:34 ` [RFC PATCH 19/39] io_uring: store its " wen.yang
2026-10-28 16:34 ` [RFC PATCH 20/39] sysctl: refresh dynamic scheduler and PID bounds per call wen.yang
2026-10-28 16:35 ` [RFC PATCH 21/39] sysctl: refresh device-dependent " wen.yang
2026-10-28 16:35 ` [RFC PATCH 22/39] sysctl: refresh namespace IPC " wen.yang
2026-10-28 16:35 ` [RFC PATCH 23/39] yama: preserve scope locking with numeric sysctl bounds wen.yang
2026-10-28 16:35 ` [RFC PATCH 24/39] net: refresh core sysctl limits without bound pointers wen.yang
2026-10-28 16:35 ` [RFC PATCH 25/39] sctp: resolve numeric ranges from the current namespace wen.yang
2026-10-28 16:35 ` [RFC PATCH 26/39] rds: preserve live reconnect limits with numeric bounds wen.yang
2026-10-28 16:35 ` [RFC PATCH 27/39] ipv4: preserve live and vector bounds with numeric sysctls wen.yang
2026-10-28 16:35 ` [RFC PATCH 28/39] net: refresh fragment and remaining dynamic sysctl bounds wen.yang
2026-10-28 16:35 ` [RFC PATCH 29/39] neighbour: derive sysctl ownership independently of bounds wen.yang
2026-10-28 16:35 ` [RFC PATCH 30/39] net: resolve sysctl owners from their backing data wen.yang
2026-10-28 16:35 ` [RFC PATCH 31/39] ipvs: derive sysctl ownership from numeric storage wen.yang
2026-10-28 16:35 ` [RFC PATCH 32/39] sysctl: remove obsolete nr_open bound variables wen.yang
2026-10-28 16:35 ` [RFC PATCH 33/39] ipv6: move address sysctl context to priv wen.yang
2026-10-28 16:35 ` [RFC PATCH 34/39] ipv4: move device " wen.yang
2026-10-28 16:35 ` [RFC PATCH 35/39] netfilter: move logger " wen.yang
2026-10-28 16:35 ` [RFC PATCH 36/39] parport: move device " wen.yang
2026-10-28 16:35 ` [RFC PATCH 37/39] net: move namespace " wen.yang
2026-10-28 16:35 ` [RFC PATCH 38/39] arm64: move vector-length " wen.yang
2026-10-28 16:35 ` [RFC PATCH 39/39] sysctl: remove the extra pointers and the compatibility bounds read wen.yang
2026-11-04 5:17 ` kernel test robot
2026-11-04 5:45 ` kernel test robot [this message]
2026-10-29 10:58 ` [RFC PATCH 00/39] sysctl: replace overloaded extra pointers with typed bounds and context David Laight
2026-11-02 15:40 ` Wen Yang
2026-11-02 16:54 ` David Laight
2026-11-04 18:32 ` Wen Yang
2026-11-07 15:27 ` Joel Granados
2026-11-07 17:05 ` David Laight
2026-11-07 21:26 ` Joel Granados
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