Messages in this thread | | | Date | Wed, 16 Aug 2023 06:38:01 +0800 | From | kernel test robot <> | Subject | [gustavoars:testing/fam01-next20230815 2/4] arch/sparc/mm/init_64.c:3088:31: error: array subscript -1 is outside array bounds of 'char[]' |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux.git testing/fam01-next20230815 head: 7d3ebbc1f4bfba0fdd9ade111e93edf6be617187 commit: 79dcfe2fd8c85fe5a9eeb8ed4026d50987d107b5 [2/4] Makefile: Enable -Warray-bounds config: sparc64-randconfig-r001-20230816 (https://download.01.org/0day-ci/archive/20230816/202308160635.14367Mw4-lkp@intel.com/config) compiler: sparc64-linux-gcc (GCC) 12.3.0 reproduce: (https://download.01.org/0day-ci/archive/20230816/202308160635.14367Mw4-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202308160635.14367Mw4-lkp@intel.com/
All errors (new ones prefixed by >>):
arch/sparc/mm/init_64.c: In function 'sun4v_linear_pte_xor_finalize': arch/sparc/mm/init_64.c:2220:23: error: variable 'pagecv_flag' set but not used [-Werror=unused-but-set-variable] 2220 | unsigned long pagecv_flag; | ^~~~~~~~~~~ arch/sparc/mm/init_64.c: At top level: arch/sparc/mm/init_64.c:2644:6: error: no previous prototype for 'vmemmap_free' [-Werror=missing-prototypes] 2644 | void vmemmap_free(unsigned long start, unsigned long end, | ^~~~~~~~~~~~ In function 'kernel_lds_init', inlined from 'report_memory' at arch/sparc/mm/init_64.c:3100:2: >> arch/sparc/mm/init_64.c:3088:31: error: array subscript -1 is outside array bounds of 'char[]' [-Werror=array-bounds] 3088 | code_resource.end = compute_kern_paddr(_etext - 1); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from arch/sparc/include/asm/sections.h:6, from include/linux/interrupt.h:21, from include/linux/kernel_stat.h:9, from include/linux/cgroup.h:26, from include/linux/hugetlb.h:10, from arch/sparc/mm/init_64.c:16: include/asm-generic/sections.h: In function 'report_memory': include/asm-generic/sections.h:35:32: note: at offset -1 into object '_etext' of size [0, 9223372036854775807] 35 | extern char _text[], _stext[], _etext[]; | ^~~~~~ In function 'kernel_lds_init', inlined from 'report_memory' at arch/sparc/mm/init_64.c:3100:2: arch/sparc/mm/init_64.c:3090:31: error: array subscript -1 is outside array bounds of 'char[]' [-Werror=array-bounds] 3090 | data_resource.end = compute_kern_paddr(_edata - 1); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/asm-generic/sections.h: In function 'report_memory': include/asm-generic/sections.h:36:32: note: at offset -1 into object '_edata' of size [0, 9223372036854775807] 36 | extern char _data[], _sdata[], _edata[]; | ^~~~~~ In function 'kernel_lds_init', inlined from 'report_memory' at arch/sparc/mm/init_64.c:3100:2: arch/sparc/mm/init_64.c:3092:31: error: array subscript -1 is outside array bounds of 'char[]' [-Werror=array-bounds] 3092 | bss_resource.end = compute_kern_paddr(_end - 1); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/asm-generic/sections.h: In function 'report_memory': include/asm-generic/sections.h:41:13: note: at offset -1 into object '_end' of size [0, 9223372036854775807] 41 | extern char _end[]; | ^~~~ cc1: all warnings being treated as errors
vim +3088 arch/sparc/mm/init_64.c
f6d4fb5cc0475c bob picco 2014-03-03 3084 f6d4fb5cc0475c bob picco 2014-03-03 3085 static void __init kernel_lds_init(void) f6d4fb5cc0475c bob picco 2014-03-03 3086 { f6d4fb5cc0475c bob picco 2014-03-03 3087 code_resource.start = compute_kern_paddr(_text); f6d4fb5cc0475c bob picco 2014-03-03 @3088 code_resource.end = compute_kern_paddr(_etext - 1); f6d4fb5cc0475c bob picco 2014-03-03 3089 data_resource.start = compute_kern_paddr(_etext); f6d4fb5cc0475c bob picco 2014-03-03 3090 data_resource.end = compute_kern_paddr(_edata - 1); f6d4fb5cc0475c bob picco 2014-03-03 3091 bss_resource.start = compute_kern_paddr(__bss_start); f6d4fb5cc0475c bob picco 2014-03-03 3092 bss_resource.end = compute_kern_paddr(_end - 1); f6d4fb5cc0475c bob picco 2014-03-03 3093 } f6d4fb5cc0475c bob picco 2014-03-03 3094
:::::: The code at line 3088 was first introduced by commit :::::: f6d4fb5cc0475c36437a618db31cbb7f2bf7c282 sparc64 - add mem to iomem resource
:::::: TO: bob picco <bpicco@meloft.net> :::::: CC: David S. Miller <davem@davemloft.net>
-- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
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