From: kernel test robot <lkp@intel.com>
To: Jinyang He <hejinyang@loongson.cn>
Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org,
Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Subject: kernel/kcov.c:180:8: error: implicit declaration of function 'kaslr_offset'
Date: Sun, 24 Jan 2021 19:59:05 +0800 [thread overview]
Message-ID: <202101241959.VreUFZWB-lkp@intel.com> (raw)
[-- Attachment #1: Type: text/plain, Size: 2665 bytes --]
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: e1ae4b0be15891faf46d390e9f3dc9bd71a8cae1
commit: a307a4ce9ecd2e23c71318201330d9d648b3f818 MIPS: Loongson64: Add KASLR support
date: 8 weeks ago
config: mips-randconfig-r004-20210124 (attached as .config)
compiler: mips64el-linux-gcc (GCC) 9.3.0
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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a307a4ce9ecd2e23c71318201330d9d648b3f818
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout a307a4ce9ecd2e23c71318201330d9d648b3f818
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=mips
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
kernel/kcov.c: In function 'canonicalize_ip':
>> kernel/kcov.c:180:8: error: implicit declaration of function 'kaslr_offset' [-Werror=implicit-function-declaration]
180 | ip -= kaslr_offset();
| ^~~~~~~~~~~~
kernel/kcov.c: At top level:
kernel/kcov.c:189:14: warning: no previous prototype for '__sanitizer_cov_trace_pc' [-Wmissing-prototypes]
189 | void notrace __sanitizer_cov_trace_pc(void)
| ^~~~~~~~~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
vim +/kaslr_offset +180 kernel/kcov.c
ded97d2c2b2c5f1d Victor Chibotaru 2017-11-17 176
903e8ff86753e6f3 Anders Roxell 2018-11-30 177 static notrace unsigned long canonicalize_ip(unsigned long ip)
ded97d2c2b2c5f1d Victor Chibotaru 2017-11-17 178 {
ded97d2c2b2c5f1d Victor Chibotaru 2017-11-17 179 #ifdef CONFIG_RANDOMIZE_BASE
ded97d2c2b2c5f1d Victor Chibotaru 2017-11-17 @180 ip -= kaslr_offset();
ded97d2c2b2c5f1d Victor Chibotaru 2017-11-17 181 #endif
ded97d2c2b2c5f1d Victor Chibotaru 2017-11-17 182 return ip;
ded97d2c2b2c5f1d Victor Chibotaru 2017-11-17 183 }
ded97d2c2b2c5f1d Victor Chibotaru 2017-11-17 184
:::::: The code at line 180 was first introduced by commit
:::::: ded97d2c2b2c5f1dcced0bc57133f7753b037dfc kcov: support comparison operands collection
:::::: TO: Victor Chibotaru <tchibo@google.com>
:::::: CC: Linus Torvalds <torvalds@linux-foundation.org>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 27489 bytes --]
WARNING: multiple messages have this Message-ID (diff)
From: kernel test robot <lkp@intel.com>
To: kbuild-all@lists.01.org
Subject: kernel/kcov.c:180:8: error: implicit declaration of function 'kaslr_offset'
Date: Sun, 24 Jan 2021 19:59:05 +0800 [thread overview]
Message-ID: <202101241959.VreUFZWB-lkp@intel.com> (raw)
[-- Attachment #1: Type: text/plain, Size: 2720 bytes --]
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: e1ae4b0be15891faf46d390e9f3dc9bd71a8cae1
commit: a307a4ce9ecd2e23c71318201330d9d648b3f818 MIPS: Loongson64: Add KASLR support
date: 8 weeks ago
config: mips-randconfig-r004-20210124 (attached as .config)
compiler: mips64el-linux-gcc (GCC) 9.3.0
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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a307a4ce9ecd2e23c71318201330d9d648b3f818
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout a307a4ce9ecd2e23c71318201330d9d648b3f818
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=mips
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
kernel/kcov.c: In function 'canonicalize_ip':
>> kernel/kcov.c:180:8: error: implicit declaration of function 'kaslr_offset' [-Werror=implicit-function-declaration]
180 | ip -= kaslr_offset();
| ^~~~~~~~~~~~
kernel/kcov.c: At top level:
kernel/kcov.c:189:14: warning: no previous prototype for '__sanitizer_cov_trace_pc' [-Wmissing-prototypes]
189 | void notrace __sanitizer_cov_trace_pc(void)
| ^~~~~~~~~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
vim +/kaslr_offset +180 kernel/kcov.c
ded97d2c2b2c5f1d Victor Chibotaru 2017-11-17 176
903e8ff86753e6f3 Anders Roxell 2018-11-30 177 static notrace unsigned long canonicalize_ip(unsigned long ip)
ded97d2c2b2c5f1d Victor Chibotaru 2017-11-17 178 {
ded97d2c2b2c5f1d Victor Chibotaru 2017-11-17 179 #ifdef CONFIG_RANDOMIZE_BASE
ded97d2c2b2c5f1d Victor Chibotaru 2017-11-17 @180 ip -= kaslr_offset();
ded97d2c2b2c5f1d Victor Chibotaru 2017-11-17 181 #endif
ded97d2c2b2c5f1d Victor Chibotaru 2017-11-17 182 return ip;
ded97d2c2b2c5f1d Victor Chibotaru 2017-11-17 183 }
ded97d2c2b2c5f1d Victor Chibotaru 2017-11-17 184
:::::: The code at line 180 was first introduced by commit
:::::: ded97d2c2b2c5f1dcced0bc57133f7753b037dfc kcov: support comparison operands collection
:::::: TO: Victor Chibotaru <tchibo@google.com>
:::::: CC: Linus Torvalds <torvalds@linux-foundation.org>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 27489 bytes --]
next reply other threads:[~2021-01-24 12:02 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-24 11:59 kernel test robot [this message]
2021-01-24 11:59 ` kernel/kcov.c:180:8: error: implicit declaration of function 'kaslr_offset' kernel test robot
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=202101241959.VreUFZWB-lkp@intel.com \
--to=lkp@intel.com \
--cc=hejinyang@loongson.cn \
--cc=kbuild-all@lists.01.org \
--cc=linux-kernel@vger.kernel.org \
--cc=tsbogend@alpha.franken.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.