* lib/tests/overflow_kunit.c:637:13-14: WARNING: array_size is used later (line 644) to compute the same size
@ 2025-12-22 12:21 kernel test robot
0 siblings, 0 replies; 4+ messages in thread
From: kernel test robot @ 2025-12-22 12:21 UTC (permalink / raw)
To: oe-kbuild; +Cc: lkp, Julia Lawall
BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
CC: linux-kernel@vger.kernel.org
TO: Kees Cook <kees@kernel.org>
CC: David Gow <davidgow@google.com>
CC: Rae Moar <rmoar@google.com>
Hi Kees,
First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 9448598b22c50c8a5bb77a9103e2d49f134c9578
commit: db6fe4d61ece24193eb4d94a82d967501d53358c lib: Move KUnit tests into tests/ subdirectory
date: 10 months ago
:::::: branch date: 12 hours ago
:::::: commit date: 10 months ago
config: arm-randconfig-r061-20251222 (https://download.01.org/0day-ci/archive/20251222/202512222025.oOXYZEcc-lkp@intel.com/config)
compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 789845e319bbf346d42ee2c0090a9b8e153797a2)
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>
| Reported-by: Julia Lawall <julia.lawall@inria.fr>
| Closes: https://lore.kernel.org/r/202512222025.oOXYZEcc-lkp@intel.com/
cocci warnings: (new ones prefixed by >>)
>> lib/tests/overflow_kunit.c:637:13-14: WARNING: array_size is used later (line 644) to compute the same size
--
>> lib/tests/fortify_kunit.c:211:8-9: ERROR: reference preceded by free on line 208
lib/tests/fortify_kunit.c:213:8-9: ERROR: reference preceded by free on line 211
lib/tests/fortify_kunit.c:216:8-9: ERROR: reference preceded by free on line 213
lib/tests/fortify_kunit.c:218:8-9: ERROR: reference preceded by free on line 216
lib/tests/fortify_kunit.c:220:8-9: ERROR: reference preceded by free on line 218
lib/tests/fortify_kunit.c:223:8-9: ERROR: reference preceded by free on line 220
lib/tests/fortify_kunit.c:226:8-9: ERROR: reference preceded by free on line 223
lib/tests/fortify_kunit.c:228:8-9: ERROR: reference preceded by free on line 226
lib/tests/fortify_kunit.c:230:8-9: ERROR: reference preceded by free on line 228
lib/tests/fortify_kunit.c:233:8-9: ERROR: reference preceded by free on line 230
lib/tests/fortify_kunit.c:236:8-9: ERROR: reference preceded by free on line 233
lib/tests/fortify_kunit.c:242:8-9: ERROR: reference preceded by free on line 236
lib/tests/fortify_kunit.c:247:8-9: ERROR: reference preceded by free on line 242
lib/tests/fortify_kunit.c:252:8-9: ERROR: reference preceded by free on line 247
lib/tests/fortify_kunit.c:258:54-55: ERROR: reference preceded by free on line 252
lib/tests/fortify_kunit.c:377:9-10: ERROR: reference preceded by free on line 375
lib/tests/fortify_kunit.c:375:9-10: ERROR: reference preceded by free on line 377
--
>> lib/tests/overflow_kunit.c:295:14-19: Unneeded variable: "index". Return "0" on line 297
vim +637 lib/tests/overflow_kunit.c
ca90800a91ba723 lib/test_overflow.c Kees Cook 2018-05-10 621
ca90800a91ba723 lib/test_overflow.c Kees Cook 2018-05-10 622 #define DEFINE_TEST_ALLOC(func, free_func, want_arg, want_gfp, want_node)\
617f55e20743fc5 lib/overflow_kunit.c Kees Cook 2022-02-16 623 static void test_ ## func (struct kunit *test, void *arg) \
ca90800a91ba723 lib/test_overflow.c Kees Cook 2018-05-10 624 { \
ca90800a91ba723 lib/test_overflow.c Kees Cook 2018-05-10 625 volatile size_t a = TEST_SIZE; \
ca90800a91ba723 lib/test_overflow.c Kees Cook 2018-05-10 626 volatile size_t b = (SIZE_MAX / TEST_SIZE) + 1; \
ca90800a91ba723 lib/test_overflow.c Kees Cook 2018-05-10 627 void *ptr; \
ca90800a91ba723 lib/test_overflow.c Kees Cook 2018-05-10 628 \
ca90800a91ba723 lib/test_overflow.c Kees Cook 2018-05-10 629 /* Tiny allocation test. */ \
ca90800a91ba723 lib/test_overflow.c Kees Cook 2018-05-10 630 ptr = alloc ## want_arg ## want_gfp ## want_node (func, arg, 1);\
617f55e20743fc5 lib/overflow_kunit.c Kees Cook 2022-02-16 631 KUNIT_ASSERT_NOT_ERR_OR_NULL_MSG(test, ptr, \
617f55e20743fc5 lib/overflow_kunit.c Kees Cook 2022-02-16 632 #func " failed regular allocation?!\n"); \
ca90800a91ba723 lib/test_overflow.c Kees Cook 2018-05-10 633 free ## want_arg (free_func, arg, ptr); \
ca90800a91ba723 lib/test_overflow.c Kees Cook 2018-05-10 634 \
ca90800a91ba723 lib/test_overflow.c Kees Cook 2018-05-10 635 /* Wrapped allocation test. */ \
ca90800a91ba723 lib/test_overflow.c Kees Cook 2018-05-10 636 ptr = alloc ## want_arg ## want_gfp ## want_node (func, arg, \
ca90800a91ba723 lib/test_overflow.c Kees Cook 2018-05-10 @637 a * b); \
617f55e20743fc5 lib/overflow_kunit.c Kees Cook 2022-02-16 638 KUNIT_ASSERT_NOT_ERR_OR_NULL_MSG(test, ptr, \
617f55e20743fc5 lib/overflow_kunit.c Kees Cook 2022-02-16 639 #func " unexpectedly failed bad wrapping?!\n"); \
ca90800a91ba723 lib/test_overflow.c Kees Cook 2018-05-10 640 free ## want_arg (free_func, arg, ptr); \
ca90800a91ba723 lib/test_overflow.c Kees Cook 2018-05-10 641 \
ca90800a91ba723 lib/test_overflow.c Kees Cook 2018-05-10 642 /* Saturated allocation test. */ \
ca90800a91ba723 lib/test_overflow.c Kees Cook 2018-05-10 643 ptr = alloc ## want_arg ## want_gfp ## want_node (func, arg, \
ca90800a91ba723 lib/test_overflow.c Kees Cook 2018-05-10 @644 array_size(a, b)); \
ca90800a91ba723 lib/test_overflow.c Kees Cook 2018-05-10 645 if (ptr) { \
617f55e20743fc5 lib/overflow_kunit.c Kees Cook 2022-02-16 646 KUNIT_FAIL(test, #func " missed saturation!\n"); \
ca90800a91ba723 lib/test_overflow.c Kees Cook 2018-05-10 647 free ## want_arg (free_func, arg, ptr); \
ca90800a91ba723 lib/test_overflow.c Kees Cook 2018-05-10 648 } \
ca90800a91ba723 lib/test_overflow.c Kees Cook 2018-05-10 649 }
ca90800a91ba723 lib/test_overflow.c Kees Cook 2018-05-10 650
:::::: The code at line 637 was first introduced by commit
:::::: ca90800a91ba723d78ded634d037c1d2df8b54d6 test_overflow: Add memory allocation overflow tests
:::::: TO: Kees Cook <keescook@chromium.org>
:::::: CC: Kees Cook <keescook@chromium.org>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 4+ messages in thread* lib/tests/overflow_kunit.c:637:13-14: WARNING: array_size is used later (line 644) to compute the same size
@ 2026-04-08 6:17 kernel test robot
0 siblings, 0 replies; 4+ messages in thread
From: kernel test robot @ 2026-04-08 6:17 UTC (permalink / raw)
To: oe-kbuild; +Cc: lkp, Julia Lawall
BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
CC: linux-kernel@vger.kernel.org
TO: Kees Cook <kees@kernel.org>
CC: David Gow <davidgow@google.com>
CC: Rae Moar <rmoar@google.com>
Hi Kees,
First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 3036cd0d3328220a1858b1ab390be8b562774e8a
commit: db6fe4d61ece24193eb4d94a82d967501d53358c lib: Move KUnit tests into tests/ subdirectory
date: 1 year, 2 months ago
:::::: branch date: 13 hours ago
:::::: commit date: 1 year, 2 months ago
config: x86_64-randconfig-102-20260408 (https://download.01.org/0day-ci/archive/20260408/202604081400.w5GcL6mj-lkp@intel.com/config)
compiler: gcc-13 (Debian 13.3.0-16) 13.3.0
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
| Fixes: db6fe4d61ece ("lib: Move KUnit tests into tests/ subdirectory")
| Reported-by: kernel test robot <lkp@intel.com>
| Reported-by: Julia Lawall <julia.lawall@inria.fr>
| Closes: https://lore.kernel.org/r/202604081400.w5GcL6mj-lkp@intel.com/
cocci warnings: (new ones prefixed by >>)
>> lib/tests/overflow_kunit.c:637:13-14: WARNING: array_size is used later (line 644) to compute the same size
--
>> lib/tests/overflow_kunit.c:295:14-19: Unneeded variable: "index". Return "0" on line 297
vim +637 lib/tests/overflow_kunit.c
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 621
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 622 #define DEFINE_TEST_ALLOC(func, free_func, want_arg, want_gfp, want_node)\
617f55e20743fc lib/overflow_kunit.c Kees Cook 2022-02-16 623 static void test_ ## func (struct kunit *test, void *arg) \
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 624 { \
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 625 volatile size_t a = TEST_SIZE; \
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 626 volatile size_t b = (SIZE_MAX / TEST_SIZE) + 1; \
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 627 void *ptr; \
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 628 \
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 629 /* Tiny allocation test. */ \
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 630 ptr = alloc ## want_arg ## want_gfp ## want_node (func, arg, 1);\
617f55e20743fc lib/overflow_kunit.c Kees Cook 2022-02-16 631 KUNIT_ASSERT_NOT_ERR_OR_NULL_MSG(test, ptr, \
617f55e20743fc lib/overflow_kunit.c Kees Cook 2022-02-16 632 #func " failed regular allocation?!\n"); \
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 633 free ## want_arg (free_func, arg, ptr); \
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 634 \
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 635 /* Wrapped allocation test. */ \
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 636 ptr = alloc ## want_arg ## want_gfp ## want_node (func, arg, \
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 @637 a * b); \
617f55e20743fc lib/overflow_kunit.c Kees Cook 2022-02-16 638 KUNIT_ASSERT_NOT_ERR_OR_NULL_MSG(test, ptr, \
617f55e20743fc lib/overflow_kunit.c Kees Cook 2022-02-16 639 #func " unexpectedly failed bad wrapping?!\n"); \
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 640 free ## want_arg (free_func, arg, ptr); \
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 641 \
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 642 /* Saturated allocation test. */ \
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 643 ptr = alloc ## want_arg ## want_gfp ## want_node (func, arg, \
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 @644 array_size(a, b)); \
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 645 if (ptr) { \
617f55e20743fc lib/overflow_kunit.c Kees Cook 2022-02-16 646 KUNIT_FAIL(test, #func " missed saturation!\n"); \
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 647 free ## want_arg (free_func, arg, ptr); \
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 648 } \
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 649 }
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 650
:::::: The code at line 637 was first introduced by commit
:::::: ca90800a91ba723d78ded634d037c1d2df8b54d6 test_overflow: Add memory allocation overflow tests
:::::: TO: Kees Cook <keescook@chromium.org>
:::::: CC: Kees Cook <keescook@chromium.org>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 4+ messages in thread* lib/tests/overflow_kunit.c:637:13-14: WARNING: array_size is used later (line 644) to compute the same size
@ 2026-02-01 8:54 kernel test robot
0 siblings, 0 replies; 4+ messages in thread
From: kernel test robot @ 2026-02-01 8:54 UTC (permalink / raw)
To: oe-kbuild; +Cc: lkp, Julia Lawall
BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
CC: linux-kernel@vger.kernel.org
TO: Kees Cook <kees@kernel.org>
CC: David Gow <davidgow@google.com>
CC: Rae Moar <rmoar@google.com>
Hi Kees,
First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 162b42445b585cd89f45475848845db353539605
commit: db6fe4d61ece24193eb4d94a82d967501d53358c lib: Move KUnit tests into tests/ subdirectory
date: 12 months ago
:::::: branch date: 15 hours ago
:::::: commit date: 12 months ago
config: x86_64-randconfig-102-20260201 (https://download.01.org/0day-ci/archive/20260201/202602011620.h8Kfb019-lkp@intel.com/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
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>
| Reported-by: Julia Lawall <julia.lawall@inria.fr>
| Closes: https://lore.kernel.org/r/202602011620.h8Kfb019-lkp@intel.com/
cocci warnings: (new ones prefixed by >>)
>> lib/tests/overflow_kunit.c:637:13-14: WARNING: array_size is used later (line 644) to compute the same size
--
>> lib/tests/fortify_kunit.c:211:8-9: ERROR: reference preceded by free on line 208
lib/tests/fortify_kunit.c:213:8-9: ERROR: reference preceded by free on line 211
lib/tests/fortify_kunit.c:216:8-9: ERROR: reference preceded by free on line 213
lib/tests/fortify_kunit.c:218:8-9: ERROR: reference preceded by free on line 216
lib/tests/fortify_kunit.c:220:8-9: ERROR: reference preceded by free on line 218
lib/tests/fortify_kunit.c:223:8-9: ERROR: reference preceded by free on line 220
lib/tests/fortify_kunit.c:226:8-9: ERROR: reference preceded by free on line 223
lib/tests/fortify_kunit.c:228:8-9: ERROR: reference preceded by free on line 226
lib/tests/fortify_kunit.c:230:8-9: ERROR: reference preceded by free on line 228
lib/tests/fortify_kunit.c:233:8-9: ERROR: reference preceded by free on line 230
lib/tests/fortify_kunit.c:236:8-9: ERROR: reference preceded by free on line 233
lib/tests/fortify_kunit.c:242:8-9: ERROR: reference preceded by free on line 236
lib/tests/fortify_kunit.c:247:8-9: ERROR: reference preceded by free on line 242
lib/tests/fortify_kunit.c:252:8-9: ERROR: reference preceded by free on line 247
lib/tests/fortify_kunit.c:258:54-55: ERROR: reference preceded by free on line 252
lib/tests/fortify_kunit.c:377:9-10: ERROR: reference preceded by free on line 375
lib/tests/fortify_kunit.c:375:9-10: ERROR: reference preceded by free on line 377
vim +637 lib/tests/overflow_kunit.c
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 621
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 622 #define DEFINE_TEST_ALLOC(func, free_func, want_arg, want_gfp, want_node)\
617f55e20743fc lib/overflow_kunit.c Kees Cook 2022-02-16 623 static void test_ ## func (struct kunit *test, void *arg) \
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 624 { \
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 625 volatile size_t a = TEST_SIZE; \
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 626 volatile size_t b = (SIZE_MAX / TEST_SIZE) + 1; \
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 627 void *ptr; \
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 628 \
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 629 /* Tiny allocation test. */ \
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 630 ptr = alloc ## want_arg ## want_gfp ## want_node (func, arg, 1);\
617f55e20743fc lib/overflow_kunit.c Kees Cook 2022-02-16 631 KUNIT_ASSERT_NOT_ERR_OR_NULL_MSG(test, ptr, \
617f55e20743fc lib/overflow_kunit.c Kees Cook 2022-02-16 632 #func " failed regular allocation?!\n"); \
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 633 free ## want_arg (free_func, arg, ptr); \
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 634 \
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 635 /* Wrapped allocation test. */ \
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 636 ptr = alloc ## want_arg ## want_gfp ## want_node (func, arg, \
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 @637 a * b); \
617f55e20743fc lib/overflow_kunit.c Kees Cook 2022-02-16 638 KUNIT_ASSERT_NOT_ERR_OR_NULL_MSG(test, ptr, \
617f55e20743fc lib/overflow_kunit.c Kees Cook 2022-02-16 639 #func " unexpectedly failed bad wrapping?!\n"); \
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 640 free ## want_arg (free_func, arg, ptr); \
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 641 \
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 642 /* Saturated allocation test. */ \
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 643 ptr = alloc ## want_arg ## want_gfp ## want_node (func, arg, \
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 @644 array_size(a, b)); \
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 645 if (ptr) { \
617f55e20743fc lib/overflow_kunit.c Kees Cook 2022-02-16 646 KUNIT_FAIL(test, #func " missed saturation!\n"); \
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 647 free ## want_arg (free_func, arg, ptr); \
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 648 } \
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 649 }
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 650
:::::: The code at line 637 was first introduced by commit
:::::: ca90800a91ba723d78ded634d037c1d2df8b54d6 test_overflow: Add memory allocation overflow tests
:::::: TO: Kees Cook <keescook@chromium.org>
:::::: CC: Kees Cook <keescook@chromium.org>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 4+ messages in thread* lib/tests/overflow_kunit.c:637:13-14: WARNING: array_size is used later (line 644) to compute the same size
@ 2025-05-24 1:35 kernel test robot
0 siblings, 0 replies; 4+ messages in thread
From: kernel test robot @ 2025-05-24 1:35 UTC (permalink / raw)
To: oe-kbuild; +Cc: lkp, Julia Lawall
BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
CC: linux-kernel@vger.kernel.org
TO: Kees Cook <kees@kernel.org>
CC: David Gow <davidgow@google.com>
CC: Rae Moar <rmoar@google.com>
Hi Kees,
First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 4856ebd997159f198e3177e515bda01143727463
commit: db6fe4d61ece24193eb4d94a82d967501d53358c lib: Move KUnit tests into tests/ subdirectory
date: 3 months ago
:::::: branch date: 3 hours ago
:::::: commit date: 3 months ago
config: x86_64-randconfig-104-20250524 (https://download.01.org/0day-ci/archive/20250524/202505240949.oKaaAeZq-lkp@intel.com/config)
compiler: clang version 20.1.2 (https://github.com/llvm/llvm-project 58df0ef89dd64126512e4ee27b4ac3fd8ddf6247)
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>
| Reported-by: Julia Lawall <julia.lawall@inria.fr>
| Closes: https://lore.kernel.org/r/202505240949.oKaaAeZq-lkp@intel.com/
cocci warnings: (new ones prefixed by >>)
>> lib/tests/overflow_kunit.c:637:13-14: WARNING: array_size is used later (line 644) to compute the same size
--
>> lib/tests/overflow_kunit.c:295:14-19: Unneeded variable: "index". Return "0" on line 297
vim +637 lib/tests/overflow_kunit.c
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 621
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 622 #define DEFINE_TEST_ALLOC(func, free_func, want_arg, want_gfp, want_node)\
617f55e20743fc lib/overflow_kunit.c Kees Cook 2022-02-16 623 static void test_ ## func (struct kunit *test, void *arg) \
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 624 { \
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 625 volatile size_t a = TEST_SIZE; \
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 626 volatile size_t b = (SIZE_MAX / TEST_SIZE) + 1; \
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 627 void *ptr; \
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 628 \
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 629 /* Tiny allocation test. */ \
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 630 ptr = alloc ## want_arg ## want_gfp ## want_node (func, arg, 1);\
617f55e20743fc lib/overflow_kunit.c Kees Cook 2022-02-16 631 KUNIT_ASSERT_NOT_ERR_OR_NULL_MSG(test, ptr, \
617f55e20743fc lib/overflow_kunit.c Kees Cook 2022-02-16 632 #func " failed regular allocation?!\n"); \
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 633 free ## want_arg (free_func, arg, ptr); \
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 634 \
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 635 /* Wrapped allocation test. */ \
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 636 ptr = alloc ## want_arg ## want_gfp ## want_node (func, arg, \
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 @637 a * b); \
617f55e20743fc lib/overflow_kunit.c Kees Cook 2022-02-16 638 KUNIT_ASSERT_NOT_ERR_OR_NULL_MSG(test, ptr, \
617f55e20743fc lib/overflow_kunit.c Kees Cook 2022-02-16 639 #func " unexpectedly failed bad wrapping?!\n"); \
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 640 free ## want_arg (free_func, arg, ptr); \
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 641 \
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 642 /* Saturated allocation test. */ \
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 643 ptr = alloc ## want_arg ## want_gfp ## want_node (func, arg, \
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 @644 array_size(a, b)); \
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 645 if (ptr) { \
617f55e20743fc lib/overflow_kunit.c Kees Cook 2022-02-16 646 KUNIT_FAIL(test, #func " missed saturation!\n"); \
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 647 free ## want_arg (free_func, arg, ptr); \
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 648 } \
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 649 }
ca90800a91ba72 lib/test_overflow.c Kees Cook 2018-05-10 650
:::::: The code at line 637 was first introduced by commit
:::::: ca90800a91ba723d78ded634d037c1d2df8b54d6 test_overflow: Add memory allocation overflow tests
:::::: TO: Kees Cook <keescook@chromium.org>
:::::: CC: Kees Cook <keescook@chromium.org>
--
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https://github.com/intel/lkp-tests/wiki
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