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Message-ID: <202202242127.wh8nEbxG-lkp@intel.com>
Date: Thu, 24 Feb 2022 21:27:46 +0800
From: kernel test robot <lkp@...el.com>
To: Kees Cook <keescook@...omium.org>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [kees:for-next/overflow 5/7] lib/stackinit_kunit.c:440:1: sparse:
sparse: Using plain integer as NULL pointer
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 <lkp@...el.com>
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 <keescook@...omium.org>
:::::: CC: Kees Cook <keescook@...omium.org>
---
0-DAY CI Kernel Test Service, Intel Corporation
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