kernel-hardening - Re: [PATCH 7/9] x86: Add support for function granular KASLR

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Message-ID: <202004160811.sBWd3bTo%lkp@intel.com>
Date: Thu, 16 Apr 2020 08:14:09 +0800
From: kbuild test robot <lkp@...el.com>
To: Kristen Carlson Accardi <kristen@...ux.intel.com>,
	keescook@...omium.org, tglx@...utronix.de, mingo@...hat.com,
	bp@...en8.de, hpa@...or.com, Jonathan Corbet <corbet@....net>,
	x86@...nel.org
Cc: kbuild-all@...ts.01.org, arjan@...ux.intel.com,
	linux-kernel@...r.kernel.org, kernel-hardening@...ts.openwall.com,
	rick.p.edgecomb@...el.com, linux-doc@...r.kernel.org
Subject: Re: [PATCH 7/9] x86: Add support for function granular KASLR

Hi Kristen,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on kees/for-next/pstore]
[also build test ERROR on tip/auto-latest linus/master tip/x86/core v5.7-rc1 next-20200415]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:    https://github.com/0day-ci/linux/commits/Kristen-Carlson-Accardi/Function-Granular-Kernel-Address-Space-Layout-Randomization/20200416-072741
base:   https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git for-next/pstore
config: i386-tinyconfig (attached as .config)
compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

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

All errors (new ones prefixed by >>):

   ld: arch/x86/boot/compressed/misc.o: in function `index_update.isra.12':
>> misc.c:(.text+0x102c): undefined reference to `xz_crc32_table'
   ld: arch/x86/boot/compressed/misc.o: in function `xz_crc32_init':
   misc.c:(.text+0x11c0): undefined reference to `xz_crc32_table'
   ld: arch/x86/boot/compressed/misc.o: in function `xz_crc32':
   misc.c:(.text+0x1213): undefined reference to `xz_crc32_table'
   ld: arch/x86/boot/compressed/misc.o: in function `xz_dec_run':
   misc.c:(.text+0x1e69): undefined reference to `xz_crc32_table'
>> ld: misc.c:(.text+0x1f2d): undefined reference to `xz_crc32_table'
   ld: arch/x86/boot/compressed/misc.o:misc.c:(.text+0x1ff3): more undefined references to `xz_crc32_table' follow

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

Download attachment ".config.gz" of type "application/gzip" (7244 bytes)

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