From: kernel test robot <lkp@intel.com>
To: Matteo Croce <mcroce@microsoft.com>
Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org,
Emil Renner Berthing <kernel@esmil.dk>
Subject: [esmil:visionfive 2/54] mm/kasan/shadow.c:63:7: warning: no previous prototype for 'memcpy'
Date: Sat, 23 Apr 2022 01:25:13 +0800 [thread overview]
Message-ID: <202204230129.dHHHV3FB-lkp@intel.com> (raw)
tree: https://github.com/esmil/linux visionfive
head: 68fe13e37af4c8331cdd40841353c9725cb65925
commit: 359a031f0505e46e0274570b6e015984f45da29b [2/54] riscv: optimized memcpy
config: riscv-randconfig-c003-20220422 (https://download.01.org/0day-ci/archive/20220423/202204230129.dHHHV3FB-lkp@intel.com/config)
compiler: riscv64-linux-gcc (GCC) 11.2.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/esmil/linux/commit/359a031f0505e46e0274570b6e015984f45da29b
git remote add esmil https://github.com/esmil/linux
git fetch --no-tags esmil visionfive
git checkout 359a031f0505e46e0274570b6e015984f45da29b
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash mm/kasan/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> mm/kasan/shadow.c:63:7: warning: no previous prototype for 'memcpy' [-Wmissing-prototypes]
63 | void *memcpy(void *dest, const void *src, size_t len)
| ^~~~~~
vim +/memcpy +63 mm/kasan/shadow.c
bb359dbcb70085 Andrey Konovalov 2020-12-22 61
bb359dbcb70085 Andrey Konovalov 2020-12-22 62 #undef memcpy
bb359dbcb70085 Andrey Konovalov 2020-12-22 @63 void *memcpy(void *dest, const void *src, size_t len)
bb359dbcb70085 Andrey Konovalov 2020-12-22 64 {
f00748bfa0246c Andrey Konovalov 2021-02-24 65 if (!kasan_check_range((unsigned long)src, len, false, _RET_IP_) ||
f00748bfa0246c Andrey Konovalov 2021-02-24 66 !kasan_check_range((unsigned long)dest, len, true, _RET_IP_))
bb359dbcb70085 Andrey Konovalov 2020-12-22 67 return NULL;
bb359dbcb70085 Andrey Konovalov 2020-12-22 68
bb359dbcb70085 Andrey Konovalov 2020-12-22 69 return __memcpy(dest, src, len);
bb359dbcb70085 Andrey Konovalov 2020-12-22 70 }
bb359dbcb70085 Andrey Konovalov 2020-12-22 71
:::::: The code at line 63 was first introduced by commit
:::::: bb359dbcb70085a63e8bdbf14837a900750f0cf7 kasan: split out shadow.c from common.c
:::::: TO: Andrey Konovalov <andreyknvl@google.com>
:::::: CC: Linus Torvalds <torvalds@linux-foundation.org>
--
0-DAY CI Kernel Test Service
https://01.org/lkp
reply other threads:[~2022-04-22 21:35 UTC|newest]
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