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788b1cd46f0d with local (Exim 4.92) (envelope-from ) id 1nNEAQ-00038M-JZ; Thu, 24 Feb 2022 13:28:22 +0000 Date: Thu, 24 Feb 2022 21:27:46 +0800 From: kernel test robot To: Kees Cook Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org Subject: [kees:for-next/overflow 5/7] lib/stackinit_kunit.c:440:1: sparse: sparse: Using plain integer as NULL pointer Message-ID: <202202242127.wh8nEbxG-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org tree: https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git for-next/overflow head: 2ee9b438ef95e4d1a41fba18fd837d1cea67d4a8 commit: 29b768fc54fe40d97b8aef390ab9dc4ec74cf773 [5/7] lib: stackinit: Convert to KUnit config: arm-randconfig-s031-20220223 (https://download.01.org/0day-ci/archive/20220224/202202242127.wh8nEbxG-lkp@intel.com/config) compiler: arm-linux-gnueabi-gcc (GCC) 11.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.4-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git/commit/?id=29b768fc54fe40d97b8aef390ab9dc4ec74cf773 git remote add kees https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git git fetch --no-tags kees for-next/overflow git checkout 29b768fc54fe40d97b8aef390ab9dc4ec74cf773 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=arm SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot sparse warnings: (new ones prefixed by >>) >> lib/stackinit_kunit.c:440:1: sparse: sparse: Using plain integer as NULL pointer >> lib/stackinit_kunit.c:440:1: sparse: sparse: Using plain integer as NULL pointer >> lib/stackinit_kunit.c:440:1: sparse: sparse: Using plain integer as NULL pointer lib/stackinit_kunit.c:442:1: sparse: sparse: Using plain integer as NULL pointer lib/stackinit_kunit.c:442:1: sparse: sparse: Using plain integer as NULL pointer lib/stackinit_kunit.c:442:1: sparse: sparse: Using plain integer as NULL pointer lib/stackinit_kunit.c:442:1: sparse: sparse: Using plain integer as NULL pointer lib/stackinit_kunit.c:442:1: sparse: sparse: Using plain integer as NULL pointer lib/stackinit_kunit.c:442:1: sparse: sparse: Using plain integer as NULL pointer lib/stackinit_kunit.c:442:1: sparse: sparse: Using plain integer as NULL pointer lib/stackinit_kunit.c:442:1: sparse: sparse: Using plain integer as NULL pointer lib/stackinit_kunit.c:442:1: sparse: sparse: Using plain integer as NULL pointer lib/stackinit_kunit.c:442:1: sparse: sparse: Using plain integer as NULL pointer lib/stackinit_kunit.c:443:1: sparse: sparse: Using plain integer as NULL pointer lib/stackinit_kunit.c:443:1: sparse: sparse: Using plain integer as NULL pointer lib/stackinit_kunit.c:443:1: sparse: sparse: Using plain integer as NULL pointer lib/stackinit_kunit.c:443:1: sparse: sparse: Using plain integer as NULL pointer lib/stackinit_kunit.c:443:1: sparse: sparse: Using plain integer as NULL pointer lib/stackinit_kunit.c:443:1: sparse: sparse: Using plain integer as NULL pointer lib/stackinit_kunit.c:444:1: sparse: sparse: Using plain integer as NULL pointer lib/stackinit_kunit.c:444:1: sparse: sparse: Using plain integer as NULL pointer lib/stackinit_kunit.c:444:1: sparse: sparse: Using plain integer as NULL pointer lib/stackinit_kunit.c:444:1: sparse: sparse: Using plain integer as NULL pointer lib/stackinit_kunit.c:444:1: sparse: sparse: Using plain integer as NULL pointer lib/stackinit_kunit.c:444:1: sparse: sparse: Using plain integer as NULL pointer lib/stackinit_kunit.c:444:1: sparse: sparse: Using plain integer as NULL pointer lib/stackinit_kunit.c:444:1: sparse: sparse: Using plain integer as NULL pointer lib/stackinit_kunit.c:444:1: sparse: sparse: Using plain integer as NULL pointer lib/stackinit_kunit.c:444:1: sparse: sparse: Using plain integer as NULL pointer lib/stackinit_kunit.c:445:1: sparse: sparse: Using plain integer as NULL pointer lib/stackinit_kunit.c:445:1: sparse: sparse: Using plain integer as NULL pointer lib/stackinit_kunit.c:445:1: sparse: sparse: Using plain integer as NULL pointer lib/stackinit_kunit.c:445:1: sparse: sparse: Using plain integer as NULL pointer lib/stackinit_kunit.c:445:1: sparse: sparse: Using plain integer as NULL pointer lib/stackinit_kunit.c:445:1: sparse: sparse: Using plain integer as NULL pointer lib/stackinit_kunit.c:445:1: sparse: sparse: Using plain integer as NULL pointer lib/stackinit_kunit.c:445:1: sparse: sparse: Using plain integer as NULL pointer lib/stackinit_kunit.c:445:1: sparse: sparse: Using plain integer as NULL pointer lib/stackinit_kunit.c:445:1: sparse: sparse: Using plain integer as NULL pointer lib/stackinit_kunit.c:446:1: sparse: sparse: Using plain integer as NULL pointer lib/stackinit_kunit.c:446:1: sparse: sparse: Using plain integer as NULL pointer lib/stackinit_kunit.c:446:1: sparse: sparse: Using plain integer as NULL pointer lib/stackinit_kunit.c:446:1: sparse: sparse: Using plain integer as NULL pointer lib/stackinit_kunit.c:446:1: sparse: sparse: Using plain integer as NULL pointer lib/stackinit_kunit.c:446:1: sparse: sparse: Using plain integer as NULL pointer lib/stackinit_kunit.c:447:1: sparse: sparse: Using plain integer as NULL pointer lib/stackinit_kunit.c:447:1: sparse: sparse: Using plain integer as NULL pointer lib/stackinit_kunit.c:447:1: sparse: sparse: Using plain integer as NULL pointer lib/stackinit_kunit.c:450:1: sparse: sparse: Using plain integer as NULL pointer lib/stackinit_kunit.c:450:1: sparse: sparse: Using plain integer as NULL pointer lib/stackinit_kunit.c:450:1: sparse: sparse: Using plain integer as NULL pointer lib/stackinit_kunit.c:452:1: sparse: sparse: Using plain integer as NULL pointer vim +440 lib/stackinit_kunit.c 50ceaa95ea0970 lib/test_stackinit.c Kees Cook 2019-01-23 408 a8fc576d4af2f2 lib/test_stackinit.c Kees Cook 2021-07-23 409 #define DEFINE_SCALAR_TEST(name, init, xfail) \ a8fc576d4af2f2 lib/test_stackinit.c Kees Cook 2021-07-23 410 DEFINE_TEST(name ## _ ## init, name, SCALAR, \ a8fc576d4af2f2 lib/test_stackinit.c Kees Cook 2021-07-23 411 init, xfail) 50ceaa95ea0970 lib/test_stackinit.c Kees Cook 2019-01-23 412 a8fc576d4af2f2 lib/test_stackinit.c Kees Cook 2021-07-23 413 #define DEFINE_SCALAR_TESTS(init, xfail) \ a8fc576d4af2f2 lib/test_stackinit.c Kees Cook 2021-07-23 414 DEFINE_SCALAR_TEST(u8, init, xfail); \ a8fc576d4af2f2 lib/test_stackinit.c Kees Cook 2021-07-23 415 DEFINE_SCALAR_TEST(u16, init, xfail); \ a8fc576d4af2f2 lib/test_stackinit.c Kees Cook 2021-07-23 416 DEFINE_SCALAR_TEST(u32, init, xfail); \ a8fc576d4af2f2 lib/test_stackinit.c Kees Cook 2021-07-23 417 DEFINE_SCALAR_TEST(u64, init, xfail); \ a8fc576d4af2f2 lib/test_stackinit.c Kees Cook 2021-07-23 418 DEFINE_TEST(char_array_ ## init, unsigned char, \ a8fc576d4af2f2 lib/test_stackinit.c Kees Cook 2021-07-23 419 STRING, init, xfail) 50ceaa95ea0970 lib/test_stackinit.c Kees Cook 2019-01-23 420 a8fc576d4af2f2 lib/test_stackinit.c Kees Cook 2021-07-23 421 #define DEFINE_STRUCT_TEST(name, init, xfail) \ 50ceaa95ea0970 lib/test_stackinit.c Kees Cook 2019-01-23 422 DEFINE_TEST(name ## _ ## init, \ a8fc576d4af2f2 lib/test_stackinit.c Kees Cook 2021-07-23 423 struct test_ ## name, STRUCT, init, \ a8fc576d4af2f2 lib/test_stackinit.c Kees Cook 2021-07-23 424 xfail) a8fc576d4af2f2 lib/test_stackinit.c Kees Cook 2021-07-23 425 a8fc576d4af2f2 lib/test_stackinit.c Kees Cook 2021-07-23 426 #define DEFINE_STRUCT_TESTS(init, xfail) \ a8fc576d4af2f2 lib/test_stackinit.c Kees Cook 2021-07-23 427 DEFINE_STRUCT_TEST(small_hole, init, xfail); \ a8fc576d4af2f2 lib/test_stackinit.c Kees Cook 2021-07-23 428 DEFINE_STRUCT_TEST(big_hole, init, xfail); \ a8fc576d4af2f2 lib/test_stackinit.c Kees Cook 2021-07-23 429 DEFINE_STRUCT_TEST(trailing_hole, init, xfail); \ a8fc576d4af2f2 lib/test_stackinit.c Kees Cook 2021-07-23 430 DEFINE_STRUCT_TEST(packed, init, xfail) 50ceaa95ea0970 lib/test_stackinit.c Kees Cook 2019-01-23 431 a8fc576d4af2f2 lib/test_stackinit.c Kees Cook 2021-07-23 432 #define DEFINE_STRUCT_INITIALIZER_TESTS(base) \ a8fc576d4af2f2 lib/test_stackinit.c Kees Cook 2021-07-23 433 DEFINE_STRUCT_TESTS(base ## _ ## partial, \ a8fc576d4af2f2 lib/test_stackinit.c Kees Cook 2021-07-23 434 WANT_SUCCESS); \ a8fc576d4af2f2 lib/test_stackinit.c Kees Cook 2021-07-23 435 DEFINE_STRUCT_TESTS(base ## _ ## all, \ a8fc576d4af2f2 lib/test_stackinit.c Kees Cook 2021-07-23 436 WANT_SUCCESS) 50ceaa95ea0970 lib/test_stackinit.c Kees Cook 2019-01-23 437 50ceaa95ea0970 lib/test_stackinit.c Kees Cook 2019-01-23 438 /* These should be fully initialized all the time! */ a8fc576d4af2f2 lib/test_stackinit.c Kees Cook 2021-07-23 439 DEFINE_SCALAR_TESTS(zero, WANT_SUCCESS); a8fc576d4af2f2 lib/test_stackinit.c Kees Cook 2021-07-23 @440 DEFINE_STRUCT_TESTS(zero, WANT_SUCCESS); a8fc576d4af2f2 lib/test_stackinit.c Kees Cook 2021-07-23 441 /* Struct initializers: padding may be left uninitialized. */ a8fc576d4af2f2 lib/test_stackinit.c Kees Cook 2021-07-23 442 DEFINE_STRUCT_INITIALIZER_TESTS(static); a8fc576d4af2f2 lib/test_stackinit.c Kees Cook 2021-07-23 443 DEFINE_STRUCT_INITIALIZER_TESTS(dynamic); a8fc576d4af2f2 lib/test_stackinit.c Kees Cook 2021-07-23 444 DEFINE_STRUCT_INITIALIZER_TESTS(runtime); a8fc576d4af2f2 lib/test_stackinit.c Kees Cook 2021-07-23 445 DEFINE_STRUCT_INITIALIZER_TESTS(assigned_static); a8fc576d4af2f2 lib/test_stackinit.c Kees Cook 2021-07-23 446 DEFINE_STRUCT_INITIALIZER_TESTS(assigned_dynamic); a8fc576d4af2f2 lib/test_stackinit.c Kees Cook 2021-07-23 447 DEFINE_STRUCT_TESTS(assigned_copy, XFAIL); 50ceaa95ea0970 lib/test_stackinit.c Kees Cook 2019-01-23 448 /* No initialization without compiler instrumentation. */ a8fc576d4af2f2 lib/test_stackinit.c Kees Cook 2021-07-23 449 DEFINE_SCALAR_TESTS(none, WANT_SUCCESS); a8fc576d4af2f2 lib/test_stackinit.c Kees Cook 2021-07-23 450 DEFINE_STRUCT_TESTS(none, WANT_SUCCESS); a8fc576d4af2f2 lib/test_stackinit.c Kees Cook 2021-07-23 451 /* Initialization of members with __user attribute. */ a8fc576d4af2f2 lib/test_stackinit.c Kees Cook 2021-07-23 452 DEFINE_TEST(user, struct test_user, STRUCT, none, WANT_SUCCESS); 50ceaa95ea0970 lib/test_stackinit.c Kees Cook 2019-01-23 453 :::::: The code at line 440 was first introduced by commit :::::: a8fc576d4af2f23a87a586424252df97f0ad0b06 lib/test_stackinit: Add assigned initializers :::::: TO: Kees Cook :::::: CC: Kees Cook --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org