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Message-ID: <202410230319.eQozBGh7-lkp@intel.com>
Date: Wed, 23 Oct 2024 03:51:25 +0800
From: kernel test robot <lkp@...el.com>
To: Samuel Holland <samuel.holland@...ive.com>,
Palmer Dabbelt <palmer@...belt.com>,
linux-riscv@...ts.infradead.org,
Andrey Ryabinin <ryabinin.a.a@...il.com>,
Alexander Potapenko <glider@...gle.com>,
Andrey Konovalov <andreyknvl@...il.com>,
Dmitry Vyukov <dvyukov@...gle.com>,
Vincenzo Frascino <vincenzo.frascino@....com>,
kasan-dev@...glegroups.com
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
Catalin Marinas <catalin.marinas@....com>,
linux-kernel@...r.kernel.org, linux-mm@...ck.org,
Alexandre Ghiti <alexghiti@...osinc.com>,
Will Deacon <will@...nel.org>,
Evgenii Stepanov <eugenis@...gle.com>,
Andrew Morton <akpm@...ux-foundation.org>,
linux-arm-kernel@...ts.infradead.org,
Samuel Holland <samuel.holland@...ive.com>
Subject: Re: [PATCH v2 4/9] kasan: sw_tags: Support tag widths less than 8
bits
Hi Samuel,
kernel test robot noticed the following build errors:
[auto build test ERROR on akpm-mm/mm-everything]
[also build test ERROR on arm64/for-next/core masahiroy-kbuild/for-next masahiroy-kbuild/fixes linus/master v6.12-rc4 next-20241022]
[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/Samuel-Holland/kasan-sw_tags-Use-arithmetic-shift-for-shadow-computation/20241022-100129
base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything
patch link: https://lore.kernel.org/r/20241022015913.3524425-5-samuel.holland%40sifive.com
patch subject: [PATCH v2 4/9] kasan: sw_tags: Support tag widths less than 8 bits
config: um-allnoconfig (https://download.01.org/0day-ci/archive/20241023/202410230319.eQozBGh7-lkp@intel.com/config)
compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241023/202410230319.eQozBGh7-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/202410230319.eQozBGh7-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from arch/um/kernel/asm-offsets.c:1:
In file included from arch/x86/um/shared/sysdep/kernel-offsets.h:5:
In file included from include/linux/crypto.h:17:
In file included from include/linux/slab.h:234:
In file included from include/linux/kasan.h:7:
In file included from include/linux/kasan-tags.h:5:
>> arch/um/include/asm/kasan.h:19:2: error: "KASAN_SHADOW_SIZE is not defined for this sub-architecture"
19 | #error "KASAN_SHADOW_SIZE is not defined for this sub-architecture"
| ^
1 error generated.
make[3]: *** [scripts/Makefile.build:102: arch/um/kernel/asm-offsets.s] Error 1
make[3]: Target 'prepare' not remade because of errors.
make[2]: *** [Makefile:1203: prepare0] Error 2
make[2]: Target 'prepare' not remade because of errors.
make[1]: *** [Makefile:224: __sub-make] Error 2
make[1]: Target 'prepare' not remade because of errors.
make: *** [Makefile:224: __sub-make] Error 2
make: Target 'prepare' not remade because of errors.
vim +19 arch/um/include/asm/kasan.h
5b301409e8bc5d7 Patricia Alfonso 2022-07-01 12
5b301409e8bc5d7 Patricia Alfonso 2022-07-01 13 #ifdef CONFIG_X86_64
5b301409e8bc5d7 Patricia Alfonso 2022-07-01 14 #define KASAN_HOST_USER_SPACE_END_ADDR 0x00007fffffffffffUL
5b301409e8bc5d7 Patricia Alfonso 2022-07-01 15 /* KASAN_SHADOW_SIZE is the size of total address space divided by 8 */
5b301409e8bc5d7 Patricia Alfonso 2022-07-01 16 #define KASAN_SHADOW_SIZE ((KASAN_HOST_USER_SPACE_END_ADDR + 1) >> \
5b301409e8bc5d7 Patricia Alfonso 2022-07-01 17 KASAN_SHADOW_SCALE_SHIFT)
5b301409e8bc5d7 Patricia Alfonso 2022-07-01 18 #else
5b301409e8bc5d7 Patricia Alfonso 2022-07-01 @19 #error "KASAN_SHADOW_SIZE is not defined for this sub-architecture"
5b301409e8bc5d7 Patricia Alfonso 2022-07-01 20 #endif /* CONFIG_X86_64 */
5b301409e8bc5d7 Patricia Alfonso 2022-07-01 21
--
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