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Message-ID: <202312261010.o0lRiI9b-lkp@intel.com>
Date: Tue, 26 Dec 2023 10:16:34 +0800
From: kernel test robot <lkp@...el.com>
To: Andrey Konovalov <andreyknvl@...gle.com>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
Andrew Morton <akpm@...ux-foundation.org>,
Linux Memory Management List <linux-mm@...ck.org>,
Marco Elver <elver@...gle.com>
Subject: mm/kasan/kasan_test.c:36:6: sparse: sparse: symbol
'kasan_ptr_result' was not declared. Should it be static?
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: fbafc3e621c3f4ded43720fdb1d6ce1728ec664e
commit: f7e01ab828fd4bf6d25b1f143a3994241e8572bf kasan: move tests to mm/kasan/
date: 1 year, 3 months ago
config: x86_64-randconfig-122-20231101 (https://download.01.org/0day-ci/archive/20231226/202312261010.o0lRiI9b-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231226/202312261010.o0lRiI9b-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/202312261010.o0lRiI9b-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
>> mm/kasan/kasan_test.c:36:6: sparse: sparse: symbol 'kasan_ptr_result' was not declared. Should it be static?
>> mm/kasan/kasan_test.c:37:5: sparse: sparse: symbol 'kasan_int_result' was not declared. Should it be static?
vim +/kasan_ptr_result +36 mm/kasan/kasan_test.c
f33a01492a24a2 lib/test_kasan.c Walter Wu 2020-08-06 31
adb72ae1915db2 lib/test_kasan.c Daniel Axtens 2020-06-03 32 /*
0fd379253691e7 lib/test_kasan.c Andrey Konovalov 2021-02-24 33 * Some tests use these global variables to store return values from function
0fd379253691e7 lib/test_kasan.c Andrey Konovalov 2021-02-24 34 * calls that could otherwise be eliminated by the compiler as dead code.
adb72ae1915db2 lib/test_kasan.c Daniel Axtens 2020-06-03 35 */
adb72ae1915db2 lib/test_kasan.c Daniel Axtens 2020-06-03 @36 void *kasan_ptr_result;
83c4e7a0363bdb lib/test_kasan.c Patricia Alfonso 2020-10-13 @37 int kasan_int_result;
83c4e7a0363bdb lib/test_kasan.c Patricia Alfonso 2020-10-13 38
:::::: The code at line 36 was first introduced by commit
:::::: adb72ae1915db28f934e9e02c18bfcea2f3ed3b7 kasan: stop tests being eliminated as dead code with FORTIFY_SOURCE
:::::: TO: Daniel Axtens <dja@...ens.net>
:::::: CC: Linus Torvalds <torvalds@...ux-foundation.org>
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