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From: kernel test robot <lkp@intel.com>
To: kbuild-all@lists.01.org
Subject: [freescale-fslc:pr/325 15428/18355] include/linux/string.h:399:4: error: call to '__read_overflow2' declared with attribute error: detected read beyond size of object passed as 2nd parameter
Date: Mon, 03 May 2021 02:36:48 +0800	[thread overview]
Message-ID: <202105030239.oJrQqOGV-lkp@intel.com> (raw)

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Hi Adrian,

FYI, the error/warning still remains.

tree:   https://github.com/Freescale/linux-fslc pr/325
head:   2f748dbefdd0b68a450dbbbc6486901baea93b96
commit: a452c44357d9c68c27c39327e50b41e4b6cffe8d [15428/18355] MLK-25015: sound: soc: codecs: pcm512x: set input sclk
config: s390-allyesconfig (attached as .config)
compiler: s390-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/Freescale/linux-fslc/commit/a452c44357d9c68c27c39327e50b41e4b6cffe8d
        git remote add freescale-fslc https://github.com/Freescale/linux-fslc
        git fetch --no-tags freescale-fslc pr/325
        git checkout a452c44357d9c68c27c39327e50b41e4b6cffe8d
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross W=1 ARCH=s390 

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 >>):

   In file included from sound/soc/fsl/imx-pcm512x.c:21:
   sound/soc/fsl/imx-pcm512x.c:357:23: warning: initialized field overwritten [-Woverride-init]
     357 |   SND_SOC_DAILINK_REG(hifi),
         |                       ^~~~
   include/sound/soc.h:919:13: note: in definition of macro 'SND_SOC_DAILINK_REG3'
     919 |  .codecs  = codec,   \
         |             ^~~~~
   include/sound/soc.h:924:53: note: in expansion of macro 'SND_SOC_DAILINK_REG1'
     924 | #define SND_SOC_DAILINK_REGx(_1, _2, _3, func, ...) func
         |                                                     ^~~~
   sound/soc/fsl/imx-pcm512x.c:357:3: note: in expansion of macro 'SND_SOC_DAILINK_REG'
     357 |   SND_SOC_DAILINK_REG(hifi),
         |   ^~~~~~~~~~~~~~~~~~~
   sound/soc/fsl/imx-pcm512x.c:357:23: note: (near initialization for 'imx_pcm512x_dai[0].codecs')
     357 |   SND_SOC_DAILINK_REG(hifi),
         |                       ^~~~
   include/sound/soc.h:919:13: note: in definition of macro 'SND_SOC_DAILINK_REG3'
     919 |  .codecs  = codec,   \
         |             ^~~~~
   include/sound/soc.h:924:53: note: in expansion of macro 'SND_SOC_DAILINK_REG1'
     924 | #define SND_SOC_DAILINK_REGx(_1, _2, _3, func, ...) func
         |                                                     ^~~~
   sound/soc/fsl/imx-pcm512x.c:357:3: note: in expansion of macro 'SND_SOC_DAILINK_REG'
     357 |   SND_SOC_DAILINK_REG(hifi),
         |   ^~~~~~~~~~~~~~~~~~~
   In file included from include/linux/list.h:9,
                    from include/linux/module.h:9,
                    from sound/soc/fsl/imx-pcm512x.c:13:
   include/linux/kernel.h:47:25: warning: initialized field overwritten [-Woverride-init]
      47 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
         |                         ^
   include/sound/soc.h:920:16: note: in expansion of macro 'ARRAY_SIZE'
     920 |  .num_codecs = ARRAY_SIZE(codec),  \
         |                ^~~~~~~~~~
   include/sound/soc.h:914:37: note: in expansion of macro 'SND_SOC_DAILINK_REG3'
     914 | #define SND_SOC_DAILINK_REG1(name)  SND_SOC_DAILINK_REG3(name##_cpus, name##_codecs, name##_platforms)
         |                                     ^~~~~~~~~~~~~~~~~~~~
   include/sound/soc.h:924:53: note: in expansion of macro 'SND_SOC_DAILINK_REG1'
     924 | #define SND_SOC_DAILINK_REGx(_1, _2, _3, func, ...) func
         |                                                     ^~~~
   include/sound/soc.h:926:2: note: in expansion of macro 'SND_SOC_DAILINK_REGx'
     926 |  SND_SOC_DAILINK_REGx(__VA_ARGS__,  \
         |  ^~~~~~~~~~~~~~~~~~~~
   sound/soc/fsl/imx-pcm512x.c:357:3: note: in expansion of macro 'SND_SOC_DAILINK_REG'
     357 |   SND_SOC_DAILINK_REG(hifi),
         |   ^~~~~~~~~~~~~~~~~~~
   include/linux/kernel.h:47:25: note: (near initialization for 'imx_pcm512x_dai[0].num_codecs')
      47 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
         |                         ^
   include/sound/soc.h:920:16: note: in expansion of macro 'ARRAY_SIZE'
     920 |  .num_codecs = ARRAY_SIZE(codec),  \
         |                ^~~~~~~~~~
   include/sound/soc.h:914:37: note: in expansion of macro 'SND_SOC_DAILINK_REG3'
     914 | #define SND_SOC_DAILINK_REG1(name)  SND_SOC_DAILINK_REG3(name##_cpus, name##_codecs, name##_platforms)
         |                                     ^~~~~~~~~~~~~~~~~~~~
   include/sound/soc.h:924:53: note: in expansion of macro 'SND_SOC_DAILINK_REG1'
     924 | #define SND_SOC_DAILINK_REGx(_1, _2, _3, func, ...) func
         |                                                     ^~~~
   include/sound/soc.h:926:2: note: in expansion of macro 'SND_SOC_DAILINK_REGx'
     926 |  SND_SOC_DAILINK_REGx(__VA_ARGS__,  \
         |  ^~~~~~~~~~~~~~~~~~~~
   sound/soc/fsl/imx-pcm512x.c:357:3: note: in expansion of macro 'SND_SOC_DAILINK_REG'
     357 |   SND_SOC_DAILINK_REG(hifi),
         |   ^~~~~~~~~~~~~~~~~~~
   In file included from include/linux/bitmap.h:9,
                    from include/linux/cpumask.h:12,
                    from arch/s390/include/asm/processor.h:39,
                    from arch/s390/include/asm/thread_info.h:27,
                    from include/linux/thread_info.h:38,
                    from arch/s390/include/asm/preempt.h:6,
                    from include/linux/preempt.h:78,
                    from include/linux/spinlock.h:51,
                    from include/linux/seqlock.h:36,
                    from include/linux/time.h:6,
                    from include/linux/stat.h:19,
                    from include/linux/module.h:10,
                    from sound/soc/fsl/imx-pcm512x.c:13:
   In function 'memcpy',
       inlined from 'imx_pcm512x_probe' at sound/soc/fsl/imx-pcm512x.c:429:2:
>> include/linux/string.h:399:4: error: call to '__read_overflow2' declared with attribute error: detected read beyond size of object passed as 2nd parameter
     399 |    __read_overflow2();
         |    ^~~~~~~~~~~~~~~~~~

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for PCIE_MOBIVEIL_HOST
   Depends on PCI && PCI_MSI_IRQ_DOMAIN
   Selected by
   - PCIE_MOBIVEIL_PLAT && PCI && (ARCH_ZYNQMP || COMPILE_TEST && OF


vim +/__read_overflow2 +399 include/linux/string.h

6974f0c4555e28 Daniel Micay  2017-07-12  390  
6974f0c4555e28 Daniel Micay  2017-07-12  391  __FORTIFY_INLINE void *memcpy(void *p, const void *q, __kernel_size_t size)
6974f0c4555e28 Daniel Micay  2017-07-12  392  {
6974f0c4555e28 Daniel Micay  2017-07-12  393  	size_t p_size = __builtin_object_size(p, 0);
6974f0c4555e28 Daniel Micay  2017-07-12  394  	size_t q_size = __builtin_object_size(q, 0);
6974f0c4555e28 Daniel Micay  2017-07-12  395  	if (__builtin_constant_p(size)) {
6974f0c4555e28 Daniel Micay  2017-07-12  396  		if (p_size < size)
6974f0c4555e28 Daniel Micay  2017-07-12  397  			__write_overflow();
6974f0c4555e28 Daniel Micay  2017-07-12  398  		if (q_size < size)
6974f0c4555e28 Daniel Micay  2017-07-12 @399  			__read_overflow2();
6974f0c4555e28 Daniel Micay  2017-07-12  400  	}
6974f0c4555e28 Daniel Micay  2017-07-12  401  	if (p_size < size || q_size < size)
6974f0c4555e28 Daniel Micay  2017-07-12  402  		fortify_panic(__func__);
b008ae4cc74d3a Daniel Axtens 2020-06-03  403  	return __underlying_memcpy(p, q, size);
6974f0c4555e28 Daniel Micay  2017-07-12  404  }
6974f0c4555e28 Daniel Micay  2017-07-12  405  

:::::: The code@line 399 was first introduced by commit
:::::: 6974f0c4555e285ab217cee58b6e874f776ff409 include/linux/string.h: add the option of fortified string.h functions

:::::: TO: Daniel Micay <danielmicay@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:[~2021-05-02 18:36 UTC|newest]

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