linux-kernel - Re: [PATCH] kconfig: replace strcpy() with strlcpy() in symbol.c

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Message-ID: <202507270411.j9vfofzH-lkp@intel.com>
Date: Sun, 27 Jul 2025 04:38:22 +0800
From: kernel test robot <lkp@...el.com>
To: Suchit Karunakaran <suchitkarunakaran@...il.com>, masahiroy@...nel.org,
	nicolas.schier@...ux.dev, linux-kbuild@...r.kernel.org
Cc: oe-kbuild-all@...ts.linux.dev, skhan@...uxfoundation.org,
	linux-kernel-mentees@...ts.linux.dev, linux-kernel@...r.kernel.org,
	Suchit Karunakaran <suchitkarunakaran@...il.com>
Subject: Re: [PATCH] kconfig: replace strcpy() with strlcpy() in symbol.c

Hi Suchit,

kernel test robot noticed the following build errors:

[auto build test ERROR on masahiroy-kbuild/kbuild]
[also build test ERROR on linus/master v6.16-rc7 next-20250725]
[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#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Suchit-Karunakaran/kconfig-replace-strcpy-with-strlcpy-in-symbol-c/20250727-031729
base:   https://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild.git kbuild
patch link:    https://lore.kernel.org/r/20250726191515.171012-1-suchitkarunakaran%40gmail.com
patch subject: [PATCH] kconfig: replace strcpy() with strlcpy() in symbol.c
config: arc-randconfig-002-20250727 (attached as .config)
compiler: arc-linux-gcc (GCC) 8.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250727/202507270411.j9vfofzH-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202507270411.j9vfofzH-lkp@intel.com/

All error/warnings (new ones prefixed by >>):

   /usr/bin/ld: scripts/kconfig/symbol.o: in function `sym_set_string_value':
>> symbol.c:(.text+0x14cb): undefined reference to `strlcpy'
   collect2: error: ld returned 1 exit status
   make[3]: *** [scripts/Makefile.host:123: scripts/kconfig/conf] Error 1 shuffle=618416945
   make[3]: Target 'oldconfig' not remade because of errors.
   make[2]: *** [Makefile:735: oldconfig] Error 2 shuffle=618416945
   make[1]: *** [Makefile:248: __sub-make] Error 2 shuffle=618416945
   make[1]: Target 'oldconfig' not remade because of errors.
   make: *** [Makefile:248: __sub-make] Error 2 shuffle=618416945
   make: Target 'oldconfig' not remade because of errors.
--
   scripts/kconfig/symbol.c: In function 'sym_set_string_value':
>> scripts/kconfig/symbol.c:780:9: warning: implicit declaration of function 'strlcpy'; did you mean 'strncpy'? [-Wimplicit-function-declaration]
     780 |         strlcpy(val, newval, size);
         |         ^~~~~~~
         |         strncpy
   /usr/bin/ld: scripts/kconfig/symbol.o: in function `sym_set_string_value':
>> symbol.c:(.text+0x14cb): undefined reference to `strlcpy'
   collect2: error: ld returned 1 exit status
   make[3]: *** [scripts/Makefile.host:123: scripts/kconfig/conf] Error 1 shuffle=618416945
   make[3]: Target 'olddefconfig' not remade because of errors.
   make[2]: *** [Makefile:735: olddefconfig] Error 2 shuffle=618416945
   make[1]: *** [Makefile:248: __sub-make] Error 2 shuffle=618416945
   make[1]: Target 'olddefconfig' not remade because of errors.
   make: *** [Makefile:248: __sub-make] Error 2 shuffle=618416945
   make: Target 'olddefconfig' not remade because of errors.

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki