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From: kbuild test robot <lkp@intel.com>
To: kbuild-all@lists.01.org
Subject: [linux-stable-rc:linux-4.4.y 7661/9999] include/linux/slab.h:546: undefined reference to `__multi3'
Date: Mon, 18 May 2020 08:46:39 +0800	[thread overview]
Message-ID: <20200518004639.GC4344@intel.com> (raw)

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.4.y
head:   ceb6b0b3f45d368cf15b65cb3d690cffaab7bf38
commit: 44d3e9852350e7797096097f47fd3972b94fb657 [7661/9999] USB: ldusb: fix read info leaks
config: sparc64-randconfig-r015-20200517 (attached as .config)
compiler: sparc64-linux-gcc (GCC) 7.5.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout 44d3e9852350e7797096097f47fd3972b94fb657
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day GCC_VERSION=7.5.0 make.cross ARCH=sparc64 

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

All errors (new ones prefixed by >>, old ones prefixed by <<):

ipc/built-in.o: In function `mq_attr_ok':
ipc/mqueue.c:717: undefined reference to `__multi3'
drivers/built-in.o: In function `kmalloc_array':
>> include/linux/slab.h:546: undefined reference to `__multi3'

vim +546 include/linux/slab.h

ba6c496ed834a3 Glauber Costa      2012-12-18  537  
e7efa615ccf783 Michael Opdenacker 2013-06-25  538  /**
e7efa615ccf783 Michael Opdenacker 2013-06-25  539   * kmalloc_array - allocate memory for an array.
e7efa615ccf783 Michael Opdenacker 2013-06-25  540   * @n: number of elements.
e7efa615ccf783 Michael Opdenacker 2013-06-25  541   * @size: element size.
e7efa615ccf783 Michael Opdenacker 2013-06-25  542   * @flags: the type of memory to allocate (see kmalloc).
800590f523bf3b Paul Drynoff       2006-06-23  543   */
a8203725dfded5 Xi Wang            2012-03-05  544  static inline void *kmalloc_array(size_t n, size_t size, gfp_t flags)
^1da177e4c3f41 Linus Torvalds     2005-04-16  545  {
a3860c1c5dd113 Xi Wang            2012-05-31 @546  	if (size != 0 && n > SIZE_MAX / size)
6193a2ff180920 Paul Mundt         2007-07-15  547  		return NULL;
a8203725dfded5 Xi Wang            2012-03-05  548  	return __kmalloc(n * size, flags);
a8203725dfded5 Xi Wang            2012-03-05  549  }
a8203725dfded5 Xi Wang            2012-03-05  550  

:::::: The code at line 546 was first introduced by commit
:::::: a3860c1c5dd1137db23d7786d284939c5761d517 introduce SIZE_MAX

:::::: TO: Xi Wang <xi.wang@gmail.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

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                 reply	other threads:[~2020-05-18  0:46 UTC|newest]

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