linux-kernel - Re: [PATCH v13 7/7] kasan: don't run tests in async mode

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Message-ID: <202102120821.x2RsJtBp-lkp@intel.com>
Date:   Fri, 12 Feb 2021 08:49:15 +0800
From:   kernel test robot <lkp@...el.com>
To:     Vincenzo Frascino <vincenzo.frascino@....com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        kasan-dev@...glegroups.com
Cc:     kbuild-all@...ts.01.org,
        Vincenzo Frascino <vincenzo.frascino@....com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linux Memory Management List <linux-mm@...ck.org>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        Dmitry Vyukov <dvyukov@...gle.com>,
        Andrey Ryabinin <aryabinin@...tuozzo.com>
Subject: Re: [PATCH v13 7/7] kasan: don't run tests in async mode

Hi Vincenzo,

I love your patch! Yet something to improve:

[auto build test ERROR on next-20210211]
[cannot apply to arm64/for-next/core xlnx/master arm/for-next soc/for-next kvmarm/next linus/master hnaz-linux-mm/master v5.11-rc7 v5.11-rc6 v5.11-rc5 v5.11-rc7]
[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]

url:    https://github.com/0day-ci/linux/commits/Vincenzo-Frascino/arm64-ARMv8-5-A-MTE-Add-async-mode-support/20210212-004947
base:    671176b0016c80b3943cb5387312c886aba3308d
config: arm64-allyesconfig (attached as .config)
compiler: aarch64-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://github.com/0day-ci/linux/commit/0ea84467dcc53cac5c8d4e636c4d6f24e6c58728
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Vincenzo-Frascino/arm64-ARMv8-5-A-MTE-Add-async-mode-support/20210212-004947
        git checkout 0ea84467dcc53cac5c8d4e636c4d6f24e6c58728
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

   aarch64-linux-ld: mm/kasan/report.o: in function `end_report':
   report.c:(.text+0x18): undefined reference to `kasan_flag_async'
   aarch64-linux-ld: mm/kasan/report.o: relocation R_AARCH64_ADR_PREL_PG_HI21 against symbol `kasan_flag_async' which may bind externally can not be used when making a shared object; recompile with -fPIC
   report.c:(.text+0x18): dangerous relocation: unsupported relocation
   aarch64-linux-ld: report.c:(.text+0x1c): undefined reference to `kasan_flag_async'
   aarch64-linux-ld: lib/test_kasan.o: in function `kasan_test_init':
   test_kasan.c:(.text+0xccf0): undefined reference to `kasan_flag_async'
   aarch64-linux-ld: lib/test_kasan.o: relocation R_AARCH64_ADR_PREL_PG_HI21 against symbol `kasan_flag_async' which may bind externally can not be used when making a shared object; recompile with -fPIC
   test_kasan.c:(.text+0xccf0): dangerous relocation: unsupported relocation
>> aarch64-linux-ld: test_kasan.c:(.text+0xccfc): undefined reference to `kasan_flag_async'
   aarch64-linux-ld: test_kasan.c:(.text+0xcd04): undefined reference to `kasan_flag_async'

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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