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Message-ID: <202509010724.bSPPSD1X-lkp@intel.com>
Date: Mon, 1 Sep 2025 07:43:21 +0800
From: kernel test robot <lkp@...el.com>
To: Max Kellermann <max.kellermann@...os.com>, akpm@...ux-foundation.org,
david@...hat.com, axelrasmussen@...gle.com, yuanchu@...gle.com,
willy@...radead.org, hughd@...gle.com, mhocko@...e.com,
linux-kernel@...r.kernel.org, linux-mm@...ck.org,
lorenzo.stoakes@...cle.com, Liam.Howlett@...cle.com, vbabka@...e.cz,
rppt@...nel.org, surenb@...gle.com, vishal.moola@...il.com
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
Max Kellermann <max.kellermann@...os.com>
Subject: Re: [PATCH v2 08/12] arch, mm/util: add const to
arch_pick_mmap_layout() parameter
Hi Max,
kernel test robot noticed the following build errors:
[auto build test ERROR on akpm-mm/mm-everything]
url: https://github.com/intel-lab-lkp/linux/commits/Max-Kellermann/mm-shmem-add-const-to-lots-of-pointer-parameters/20250831-174136
base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything
patch link: https://lore.kernel.org/r/20250831093918.2815332-9-max.kellermann%40ionos.com
patch subject: [PATCH v2 08/12] arch, mm/util: add const to arch_pick_mmap_layout() parameter
config: sparc64-randconfig-001-20250901 (https://download.01.org/0day-ci/archive/20250901/202509010724.bSPPSD1X-lkp@intel.com/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250901/202509010724.bSPPSD1X-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202509010724.bSPPSD1X-lkp@intel.com/
All errors (new ones prefixed by >>):
>> arch/sparc/kernel/sys_sparc_64.c:1:1: error: unknown type name 'ickj'
1 | ickj// SPDX-License-Identifier: GPL-2.0
| ^
In file included from arch/sparc/kernel/sys_sparc_64.c:11:
In file included from include/linux/sched/signal.h:6:
include/linux/signal.h:98:11: warning: array index 3 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds]
98 | return (set->sig[3] | set->sig[2] |
| ^ ~
arch/sparc/include/uapi/asm/signal.h:113:8: note: array 'sig' declared here
113 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from arch/sparc/kernel/sys_sparc_64.c:11:
In file included from include/linux/sched/signal.h:6:
include/linux/signal.h:98:25: warning: array index 2 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds]
98 | return (set->sig[3] | set->sig[2] |
| ^ ~
arch/sparc/include/uapi/asm/signal.h:113:8: note: array 'sig' declared here
113 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from arch/sparc/kernel/sys_sparc_64.c:11:
In file included from include/linux/sched/signal.h:6:
include/linux/signal.h:99:4: warning: array index 1 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds]
99 | set->sig[1] | set->sig[0]) == 0;
| ^ ~
arch/sparc/include/uapi/asm/signal.h:113:8: note: array 'sig' declared here
113 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from arch/sparc/kernel/sys_sparc_64.c:11:
In file included from include/linux/sched/signal.h:6:
include/linux/signal.h:101:11: warning: array index 1 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds]
101 | return (set->sig[1] | set->sig[0]) == 0;
| ^ ~
arch/sparc/include/uapi/asm/signal.h:113:8: note: array 'sig' declared here
113 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from arch/sparc/kernel/sys_sparc_64.c:11:
In file included from include/linux/sched/signal.h:6:
include/linux/signal.h:114:11: warning: array index 3 is past the end of the array (that has type 'const unsigned long[1]') [-Warray-bounds]
114 | return (set1->sig[3] == set2->sig[3]) &&
| ^ ~
arch/sparc/include/uapi/asm/signal.h:113:8: note: array 'sig' declared here
113 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from arch/sparc/kernel/sys_sparc_64.c:11:
In file included from include/linux/sched/signal.h:6:
include/linux/signal.h:114:27: warning: array index 3 is past the end of the array (that has type 'const unsigned long[1]') [-Warray-bounds]
114 | return (set1->sig[3] == set2->sig[3]) &&
| ^ ~
arch/sparc/include/uapi/asm/signal.h:113:8: note: array 'sig' declared here
113 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from arch/sparc/kernel/sys_sparc_64.c:11:
In file included from include/linux/sched/signal.h:6:
include/linux/signal.h:115:5: warning: array index 2 is past the end of the array (that has type 'const unsigned long[1]') [-Warray-bounds]
115 | (set1->sig[2] == set2->sig[2]) &&
| ^ ~
arch/sparc/include/uapi/asm/signal.h:113:8: note: array 'sig' declared here
113 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from arch/sparc/kernel/sys_sparc_64.c:11:
In file included from include/linux/sched/signal.h:6:
include/linux/signal.h:115:21: warning: array index 2 is past the end of the array (that has type 'const unsigned long[1]') [-Warray-bounds]
115 | (set1->sig[2] == set2->sig[2]) &&
| ^ ~
arch/sparc/include/uapi/asm/signal.h:113:8: note: array 'sig' declared here
113 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from arch/sparc/kernel/sys_sparc_64.c:11:
In file included from include/linux/sched/signal.h:6:
include/linux/signal.h:116:5: warning: array index 1 is past the end of the array (that has type 'const unsigned long[1]') [-Warray-bounds]
116 | (set1->sig[1] == set2->sig[1]) &&
| ^ ~
arch/sparc/include/uapi/asm/signal.h:113:8: note: array 'sig' declared here
113 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from arch/sparc/kernel/sys_sparc_64.c:11:
In file included from include/linux/sched/signal.h:6:
include/linux/signal.h:116:21: warning: array index 1 is past the end of the array (that has type 'const unsigned long[1]') [-Warray-bounds]
116 | (set1->sig[1] == set2->sig[1]) &&
| ^ ~
arch/sparc/include/uapi/asm/signal.h:113:8: note: array 'sig' declared here
113 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from arch/sparc/kernel/sys_sparc_64.c:11:
In file included from include/linux/sched/signal.h:6:
include/linux/signal.h:119:11: warning: array index 1 is past the end of the array (that has type 'const unsigned long[1]') [-Warray-bounds]
119 | return (set1->sig[1] == set2->sig[1]) &&
| ^ ~
arch/sparc/include/uapi/asm/signal.h:113:8: note: array 'sig' declared here
113 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from arch/sparc/kernel/sys_sparc_64.c:11:
In file included from include/linux/sched/signal.h:6:
include/linux/signal.h:119:27: warning: array index 1 is past the end of the array (that has type 'const unsigned long[1]') [-Warray-bounds]
119 | return (set1->sig[1] == set2->sig[1]) &&
| ^ ~
arch/sparc/include/uapi/asm/signal.h:113:8: note: array 'sig' declared here
113 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from arch/sparc/kernel/sys_sparc_64.c:11:
In file included from include/linux/sched/signal.h:6:
vim +/ickj +1 arch/sparc/kernel/sys_sparc_64.c
> 1 ickj// SPDX-License-Identifier: GPL-2.0
2 /* linux/arch/sparc64/kernel/sys_sparc.c
3 *
4 * This file contains various random system calls that
5 * have a non-standard calling sequence on the Linux/sparc
6 * platform.
7 */
8
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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