* lib/tests/fortify_kunit.c:211:8-9: ERROR: reference preceded by free on line 208
@ 2025-05-25 6:12 kernel test robot
0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2025-05-25 6:12 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: b1427432d3b656fac71b3f42824ff4aea3c9f93b
commit: db6fe4d61ece24193eb4d94a82d967501d53358c lib: Move KUnit tests into tests/ subdirectory
date: 3 months ago
:::::: branch date: 14 hours ago
:::::: commit date: 3 months ago
config: x86_64-randconfig-104-20250525 (https://download.01.org/0day-ci/archive/20250525/202505251407.2K2POdSl-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
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
| Reported-by: kernel test robot <lkp@intel.com>
| Reported-by: Julia Lawall <julia.lawall@inria.fr>
| Closes: https://lore.kernel.org/r/202505251407.2K2POdSl-lkp@intel.com/
cocci warnings: (new ones prefixed by >>)
>> 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 +211 lib/tests/fortify_kunit.c
9124a26401483bf lib/fortify_kunit.c Kees Cook 2022-09-29 201
9124a26401483bf lib/fortify_kunit.c Kees Cook 2022-09-29 202 #define TEST_kmalloc(checker, expected_size, alloc_size) do { \
9124a26401483bf lib/fortify_kunit.c Kees Cook 2022-09-29 203 gfp_t gfp = GFP_KERNEL | __GFP_NOWARN; \
9124a26401483bf lib/fortify_kunit.c Kees Cook 2022-09-29 204 void *orig; \
9124a26401483bf lib/fortify_kunit.c Kees Cook 2022-09-29 205 size_t len; \
9124a26401483bf lib/fortify_kunit.c Kees Cook 2022-09-29 206 \
9124a26401483bf lib/fortify_kunit.c Kees Cook 2022-09-29 207 checker(expected_size, kmalloc(alloc_size, gfp), \
9124a26401483bf lib/fortify_kunit.c Kees Cook 2022-09-29 @208 kfree(p)); \
9124a26401483bf lib/fortify_kunit.c Kees Cook 2022-09-29 209 checker(expected_size, \
9124a26401483bf lib/fortify_kunit.c Kees Cook 2022-09-29 210 kmalloc_node(alloc_size, gfp, NUMA_NO_NODE), \
9124a26401483bf lib/fortify_kunit.c Kees Cook 2022-09-29 @211 kfree(p)); \
9124a26401483bf lib/fortify_kunit.c Kees Cook 2022-09-29 212 checker(expected_size, kzalloc(alloc_size, gfp), \
9124a26401483bf lib/fortify_kunit.c Kees Cook 2022-09-29 213 kfree(p)); \
9124a26401483bf lib/fortify_kunit.c Kees Cook 2022-09-29 214 checker(expected_size, \
9124a26401483bf lib/fortify_kunit.c Kees Cook 2022-09-29 215 kzalloc_node(alloc_size, gfp, NUMA_NO_NODE), \
9124a26401483bf lib/fortify_kunit.c Kees Cook 2022-09-29 216 kfree(p)); \
9124a26401483bf lib/fortify_kunit.c Kees Cook 2022-09-29 217 checker(expected_size, kcalloc(1, alloc_size, gfp), \
9124a26401483bf lib/fortify_kunit.c Kees Cook 2022-09-29 218 kfree(p)); \
9124a26401483bf lib/fortify_kunit.c Kees Cook 2022-09-29 219 checker(expected_size, kcalloc(alloc_size, 1, gfp), \
9124a26401483bf lib/fortify_kunit.c Kees Cook 2022-09-29 220 kfree(p)); \
9124a26401483bf lib/fortify_kunit.c Kees Cook 2022-09-29 221 checker(expected_size, \
9124a26401483bf lib/fortify_kunit.c Kees Cook 2022-09-29 222 kcalloc_node(1, alloc_size, gfp, NUMA_NO_NODE), \
9124a26401483bf lib/fortify_kunit.c Kees Cook 2022-09-29 223 kfree(p)); \
9124a26401483bf lib/fortify_kunit.c Kees Cook 2022-09-29 224 checker(expected_size, \
9124a26401483bf lib/fortify_kunit.c Kees Cook 2022-09-29 225 kcalloc_node(alloc_size, 1, gfp, NUMA_NO_NODE), \
9124a26401483bf lib/fortify_kunit.c Kees Cook 2022-09-29 226 kfree(p)); \
9124a26401483bf lib/fortify_kunit.c Kees Cook 2022-09-29 227 checker(expected_size, kmalloc_array(1, alloc_size, gfp), \
9124a26401483bf lib/fortify_kunit.c Kees Cook 2022-09-29 228 kfree(p)); \
9124a26401483bf lib/fortify_kunit.c Kees Cook 2022-09-29 229 checker(expected_size, kmalloc_array(alloc_size, 1, gfp), \
9124a26401483bf lib/fortify_kunit.c Kees Cook 2022-09-29 230 kfree(p)); \
9124a26401483bf lib/fortify_kunit.c Kees Cook 2022-09-29 231 checker(expected_size, \
9124a26401483bf lib/fortify_kunit.c Kees Cook 2022-09-29 232 kmalloc_array_node(1, alloc_size, gfp, NUMA_NO_NODE), \
9124a26401483bf lib/fortify_kunit.c Kees Cook 2022-09-29 233 kfree(p)); \
9124a26401483bf lib/fortify_kunit.c Kees Cook 2022-09-29 234 checker(expected_size, \
9124a26401483bf lib/fortify_kunit.c Kees Cook 2022-09-29 235 kmalloc_array_node(alloc_size, 1, gfp, NUMA_NO_NODE), \
9124a26401483bf lib/fortify_kunit.c Kees Cook 2022-09-29 236 kfree(p)); \
9124a26401483bf lib/fortify_kunit.c Kees Cook 2022-09-29 237 \
9124a26401483bf lib/fortify_kunit.c Kees Cook 2022-09-29 238 orig = kmalloc(alloc_size, gfp); \
9124a26401483bf lib/fortify_kunit.c Kees Cook 2022-09-29 239 KUNIT_EXPECT_TRUE(test, orig != NULL); \
9124a26401483bf lib/fortify_kunit.c Kees Cook 2022-09-29 240 checker((expected_size) * 2, \
9124a26401483bf lib/fortify_kunit.c Kees Cook 2022-09-29 241 krealloc(orig, (alloc_size) * 2, gfp), \
9124a26401483bf lib/fortify_kunit.c Kees Cook 2022-09-29 242 kfree(p)); \
9124a26401483bf lib/fortify_kunit.c Kees Cook 2022-09-29 243 orig = kmalloc(alloc_size, gfp); \
9124a26401483bf lib/fortify_kunit.c Kees Cook 2022-09-29 244 KUNIT_EXPECT_TRUE(test, orig != NULL); \
9124a26401483bf lib/fortify_kunit.c Kees Cook 2022-09-29 245 checker((expected_size) * 2, \
9124a26401483bf lib/fortify_kunit.c Kees Cook 2022-09-29 246 krealloc_array(orig, 1, (alloc_size) * 2, gfp), \
9124a26401483bf lib/fortify_kunit.c Kees Cook 2022-09-29 247 kfree(p)); \
9124a26401483bf lib/fortify_kunit.c Kees Cook 2022-09-29 248 orig = kmalloc(alloc_size, gfp); \
9124a26401483bf lib/fortify_kunit.c Kees Cook 2022-09-29 249 KUNIT_EXPECT_TRUE(test, orig != NULL); \
9124a26401483bf lib/fortify_kunit.c Kees Cook 2022-09-29 250 checker((expected_size) * 2, \
9124a26401483bf lib/fortify_kunit.c Kees Cook 2022-09-29 251 krealloc_array(orig, (alloc_size) * 2, 1, gfp), \
9124a26401483bf lib/fortify_kunit.c Kees Cook 2022-09-29 252 kfree(p)); \
9124a26401483bf lib/fortify_kunit.c Kees Cook 2022-09-29 253 \
9124a26401483bf lib/fortify_kunit.c Kees Cook 2022-09-29 254 len = 11; \
9124a26401483bf lib/fortify_kunit.c Kees Cook 2022-09-29 255 /* Using memdup() with fixed size, so force unknown length. */ \
9124a26401483bf lib/fortify_kunit.c Kees Cook 2022-09-29 256 if (!__builtin_constant_p(expected_size)) \
9124a26401483bf lib/fortify_kunit.c Kees Cook 2022-09-29 257 len += zero_size; \
9124a26401483bf lib/fortify_kunit.c Kees Cook 2022-09-29 258 checker(len, kmemdup("hello there", len, gfp), kfree(p)); \
9124a26401483bf lib/fortify_kunit.c Kees Cook 2022-09-29 259 } while (0)
9124a26401483bf lib/fortify_kunit.c Kees Cook 2022-09-29 260 DEFINE_ALLOC_SIZE_TEST_PAIR(kmalloc)
9124a26401483bf lib/fortify_kunit.c Kees Cook 2022-09-29 261
:::::: The code at line 211 was first introduced by commit
:::::: 9124a26401483bf2b13a99cb4317dce3f677060f kunit/fortify: Validate __alloc_size attribute results
:::::: 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] 2+ messages in thread* lib/tests/fortify_kunit.c:211:8-9: ERROR: reference preceded by free on line 208
@ 2026-03-30 12:18 kernel test robot
0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2026-03-30 12:18 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>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 7aaa8047eafd0bd628065b15757d9b48c5f9c07d
commit: db6fe4d61ece24193eb4d94a82d967501d53358c lib: Move KUnit tests into tests/ subdirectory
date: 1 year, 2 months ago
:::::: branch date: 14 hours ago
:::::: commit date: 1 year, 2 months ago
config: powerpc64-randconfig-r052-20260330 (https://download.01.org/0day-ci/archive/20260330/202603302040.VStJOW2P-lkp@intel.com/config)
compiler: clang version 23.0.0git (https://github.com/llvm/llvm-project 054e11d1a17e5ba88bb1a8ef32fad3346e80b186)
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/202603302040.VStJOW2P-lkp@intel.com/
cocci warnings: (new ones prefixed by >>)
>> 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 +211 lib/tests/fortify_kunit.c
9124a26401483b lib/fortify_kunit.c Kees Cook 2022-09-29 201
9124a26401483b lib/fortify_kunit.c Kees Cook 2022-09-29 202 #define TEST_kmalloc(checker, expected_size, alloc_size) do { \
9124a26401483b lib/fortify_kunit.c Kees Cook 2022-09-29 203 gfp_t gfp = GFP_KERNEL | __GFP_NOWARN; \
9124a26401483b lib/fortify_kunit.c Kees Cook 2022-09-29 204 void *orig; \
9124a26401483b lib/fortify_kunit.c Kees Cook 2022-09-29 205 size_t len; \
9124a26401483b lib/fortify_kunit.c Kees Cook 2022-09-29 206 \
9124a26401483b lib/fortify_kunit.c Kees Cook 2022-09-29 207 checker(expected_size, kmalloc(alloc_size, gfp), \
9124a26401483b lib/fortify_kunit.c Kees Cook 2022-09-29 @208 kfree(p)); \
9124a26401483b lib/fortify_kunit.c Kees Cook 2022-09-29 209 checker(expected_size, \
9124a26401483b lib/fortify_kunit.c Kees Cook 2022-09-29 210 kmalloc_node(alloc_size, gfp, NUMA_NO_NODE), \
9124a26401483b lib/fortify_kunit.c Kees Cook 2022-09-29 @211 kfree(p)); \
9124a26401483b lib/fortify_kunit.c Kees Cook 2022-09-29 212 checker(expected_size, kzalloc(alloc_size, gfp), \
9124a26401483b lib/fortify_kunit.c Kees Cook 2022-09-29 213 kfree(p)); \
9124a26401483b lib/fortify_kunit.c Kees Cook 2022-09-29 214 checker(expected_size, \
9124a26401483b lib/fortify_kunit.c Kees Cook 2022-09-29 215 kzalloc_node(alloc_size, gfp, NUMA_NO_NODE), \
9124a26401483b lib/fortify_kunit.c Kees Cook 2022-09-29 216 kfree(p)); \
9124a26401483b lib/fortify_kunit.c Kees Cook 2022-09-29 217 checker(expected_size, kcalloc(1, alloc_size, gfp), \
9124a26401483b lib/fortify_kunit.c Kees Cook 2022-09-29 218 kfree(p)); \
9124a26401483b lib/fortify_kunit.c Kees Cook 2022-09-29 219 checker(expected_size, kcalloc(alloc_size, 1, gfp), \
9124a26401483b lib/fortify_kunit.c Kees Cook 2022-09-29 220 kfree(p)); \
9124a26401483b lib/fortify_kunit.c Kees Cook 2022-09-29 221 checker(expected_size, \
9124a26401483b lib/fortify_kunit.c Kees Cook 2022-09-29 222 kcalloc_node(1, alloc_size, gfp, NUMA_NO_NODE), \
9124a26401483b lib/fortify_kunit.c Kees Cook 2022-09-29 223 kfree(p)); \
9124a26401483b lib/fortify_kunit.c Kees Cook 2022-09-29 224 checker(expected_size, \
9124a26401483b lib/fortify_kunit.c Kees Cook 2022-09-29 225 kcalloc_node(alloc_size, 1, gfp, NUMA_NO_NODE), \
9124a26401483b lib/fortify_kunit.c Kees Cook 2022-09-29 226 kfree(p)); \
9124a26401483b lib/fortify_kunit.c Kees Cook 2022-09-29 227 checker(expected_size, kmalloc_array(1, alloc_size, gfp), \
9124a26401483b lib/fortify_kunit.c Kees Cook 2022-09-29 228 kfree(p)); \
9124a26401483b lib/fortify_kunit.c Kees Cook 2022-09-29 229 checker(expected_size, kmalloc_array(alloc_size, 1, gfp), \
9124a26401483b lib/fortify_kunit.c Kees Cook 2022-09-29 230 kfree(p)); \
9124a26401483b lib/fortify_kunit.c Kees Cook 2022-09-29 231 checker(expected_size, \
9124a26401483b lib/fortify_kunit.c Kees Cook 2022-09-29 232 kmalloc_array_node(1, alloc_size, gfp, NUMA_NO_NODE), \
9124a26401483b lib/fortify_kunit.c Kees Cook 2022-09-29 233 kfree(p)); \
9124a26401483b lib/fortify_kunit.c Kees Cook 2022-09-29 234 checker(expected_size, \
9124a26401483b lib/fortify_kunit.c Kees Cook 2022-09-29 235 kmalloc_array_node(alloc_size, 1, gfp, NUMA_NO_NODE), \
9124a26401483b lib/fortify_kunit.c Kees Cook 2022-09-29 236 kfree(p)); \
9124a26401483b lib/fortify_kunit.c Kees Cook 2022-09-29 237 \
9124a26401483b lib/fortify_kunit.c Kees Cook 2022-09-29 238 orig = kmalloc(alloc_size, gfp); \
9124a26401483b lib/fortify_kunit.c Kees Cook 2022-09-29 239 KUNIT_EXPECT_TRUE(test, orig != NULL); \
9124a26401483b lib/fortify_kunit.c Kees Cook 2022-09-29 240 checker((expected_size) * 2, \
9124a26401483b lib/fortify_kunit.c Kees Cook 2022-09-29 241 krealloc(orig, (alloc_size) * 2, gfp), \
9124a26401483b lib/fortify_kunit.c Kees Cook 2022-09-29 242 kfree(p)); \
9124a26401483b lib/fortify_kunit.c Kees Cook 2022-09-29 243 orig = kmalloc(alloc_size, gfp); \
9124a26401483b lib/fortify_kunit.c Kees Cook 2022-09-29 244 KUNIT_EXPECT_TRUE(test, orig != NULL); \
9124a26401483b lib/fortify_kunit.c Kees Cook 2022-09-29 245 checker((expected_size) * 2, \
9124a26401483b lib/fortify_kunit.c Kees Cook 2022-09-29 246 krealloc_array(orig, 1, (alloc_size) * 2, gfp), \
9124a26401483b lib/fortify_kunit.c Kees Cook 2022-09-29 247 kfree(p)); \
9124a26401483b lib/fortify_kunit.c Kees Cook 2022-09-29 248 orig = kmalloc(alloc_size, gfp); \
9124a26401483b lib/fortify_kunit.c Kees Cook 2022-09-29 249 KUNIT_EXPECT_TRUE(test, orig != NULL); \
9124a26401483b lib/fortify_kunit.c Kees Cook 2022-09-29 250 checker((expected_size) * 2, \
9124a26401483b lib/fortify_kunit.c Kees Cook 2022-09-29 251 krealloc_array(orig, (alloc_size) * 2, 1, gfp), \
9124a26401483b lib/fortify_kunit.c Kees Cook 2022-09-29 252 kfree(p)); \
9124a26401483b lib/fortify_kunit.c Kees Cook 2022-09-29 253 \
9124a26401483b lib/fortify_kunit.c Kees Cook 2022-09-29 254 len = 11; \
9124a26401483b lib/fortify_kunit.c Kees Cook 2022-09-29 255 /* Using memdup() with fixed size, so force unknown length. */ \
9124a26401483b lib/fortify_kunit.c Kees Cook 2022-09-29 256 if (!__builtin_constant_p(expected_size)) \
9124a26401483b lib/fortify_kunit.c Kees Cook 2022-09-29 257 len += zero_size; \
9124a26401483b lib/fortify_kunit.c Kees Cook 2022-09-29 258 checker(len, kmemdup("hello there", len, gfp), kfree(p)); \
9124a26401483b lib/fortify_kunit.c Kees Cook 2022-09-29 259 } while (0)
9124a26401483b lib/fortify_kunit.c Kees Cook 2022-09-29 260 DEFINE_ALLOC_SIZE_TEST_PAIR(kmalloc)
9124a26401483b lib/fortify_kunit.c Kees Cook 2022-09-29 261
:::::: The code at line 211 was first introduced by commit
:::::: 9124a26401483bf2b13a99cb4317dce3f677060f kunit/fortify: Validate __alloc_size attribute results
:::::: 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] 2+ messages in thread
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