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Message-ID: <202212191428.joXYLAEz-lkp@intel.com>
Date: Mon, 19 Dec 2022 14:18:51 +0800
From: kernel test robot <lkp@...el.com>
To: Hao Sun <sunhao.th@...il.com>, linux-mm@...ck.org,
akpm@...ux-foundation.org, linux-kernel@...r.kernel.org
Cc: oe-kbuild-all@...ts.linux.dev, daniel@...earbox.net,
Hao Sun <sunhao.th@...il.com>
Subject: Re: [PATCH] mm: new primitive kvmemdup()
Hi Hao,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on f9ff5644bcc04221bae56f922122f2b7f5d24d62]
url: https://github.com/intel-lab-lkp/linux/commits/Hao-Sun/mm-new-primitive-kvmemdup/20221219-122348
base: f9ff5644bcc04221bae56f922122f2b7f5d24d62
patch link: https://lore.kernel.org/r/20221219042126.3396-1-sunhao.th%40gmail.com
patch subject: [PATCH] mm: new primitive kvmemdup()
config: sh-allmodconfig
compiler: sh4-linux-gcc (GCC) 12.1.0
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/intel-lab-lkp/linux/commit/29c8ee8f5f8fcd8f52aa6912bdb55f3dc135b5a0
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Hao-Sun/mm-new-primitive-kvmemdup/20221219-122348
git checkout 29c8ee8f5f8fcd8f52aa6912bdb55f3dc135b5a0
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sh olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sh SHELL=/bin/bash security/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
All errors (new ones prefixed by >>):
>> security/apparmor/policy_unpack.c:164:14: error: conflicting types for 'kvmemdup'; have 'void *(const void *, size_t)' {aka 'void *(const void *, unsigned int)'}
164 | static void *kvmemdup(const void *src, size_t len)
| ^~~~~~~~
In file included from include/linux/bitmap.h:11,
from include/linux/cpumask.h:12,
from include/linux/smp.h:13,
from include/linux/lockdep.h:14,
from include/linux/rcupdate.h:29,
from include/linux/rculist.h:11,
from include/linux/pid.h:5,
from include/linux/sched.h:14,
from include/linux/audit.h:12,
from security/apparmor/include/audit.h:14,
from security/apparmor/policy_unpack.c:23:
include/linux/string.h:180:14: note: previous declaration of 'kvmemdup' with type 'void *(const void *, size_t, gfp_t)' {aka 'void *(const void *, unsigned int, unsigned int)'}
180 | extern void *kvmemdup(const void *src, size_t len, gfp_t gfp) __realloc_size(2);
| ^~~~~~~~
vim +164 security/apparmor/policy_unpack.c
736ec752d95e91 John Johansen 2010-07-29 163
8e51f9087f4024 Matthew Garrett 2018-02-08 @164 static void *kvmemdup(const void *src, size_t len)
8e51f9087f4024 Matthew Garrett 2018-02-08 165 {
8e51f9087f4024 Matthew Garrett 2018-02-08 166 void *p = kvmalloc(len, GFP_KERNEL);
8e51f9087f4024 Matthew Garrett 2018-02-08 167
8e51f9087f4024 Matthew Garrett 2018-02-08 168 if (p)
8e51f9087f4024 Matthew Garrett 2018-02-08 169 memcpy(p, src, len);
8e51f9087f4024 Matthew Garrett 2018-02-08 170 return p;
8e51f9087f4024 Matthew Garrett 2018-02-08 171 }
8e51f9087f4024 Matthew Garrett 2018-02-08 172
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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