CC: [email protected] CC: [email protected] TO: Oliver Glitta <[email protected]> CC: Vlastimil Babka <[email protected]> CC: Andrew Morton <[email protected]> CC: Linux Memory Management List <[email protected]>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 2a987e65025e2b79c6d453b78cb5985ac6e5eb26 commit: 1f9f78b1b376f82cdd8ed73cc0abdb74d0453d43 mm/slub, kunit: add a KUnit test for SLUB debugging functionality date: 5 months ago :::::: branch date: 23 hours ago :::::: commit date: 5 months ago config: nios2-randconfig-m031-20211202 (https://download.01.org/0day-ci/archive/20211209/[email protected]/config) compiler: nios2-linux-gcc (GCC) 11.2.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <[email protected]> Reported-by: Dan Carpenter <[email protected]> smatch warnings: lib/slub_kunit.c:82 test_first_word() error: dereferencing freed memory 'p' vim +/p +82 lib/slub_kunit.c 1f9f78b1b376f8 Oliver Glitta 2021-06-28 74 1f9f78b1b376f8 Oliver Glitta 2021-06-28 75 static void test_first_word(struct kunit *test) 1f9f78b1b376f8 Oliver Glitta 2021-06-28 76 { 1f9f78b1b376f8 Oliver Glitta 2021-06-28 77 struct kmem_cache *s = kmem_cache_create("TestSlub_1th_word_free", 64, 0, 1f9f78b1b376f8 Oliver Glitta 2021-06-28 78 SLAB_POISON, NULL); 1f9f78b1b376f8 Oliver Glitta 2021-06-28 79 u8 *p = kmem_cache_alloc(s, GFP_KERNEL); 1f9f78b1b376f8 Oliver Glitta 2021-06-28 80 1f9f78b1b376f8 Oliver Glitta 2021-06-28 81 kmem_cache_free(s, p); 1f9f78b1b376f8 Oliver Glitta 2021-06-28 @82 *p = 0x78; 1f9f78b1b376f8 Oliver Glitta 2021-06-28 83 1f9f78b1b376f8 Oliver Glitta 2021-06-28 84 validate_slab_cache(s); 1f9f78b1b376f8 Oliver Glitta 2021-06-28 85 KUNIT_EXPECT_EQ(test, 2, slab_errors); 1f9f78b1b376f8 Oliver Glitta 2021-06-28 86 1f9f78b1b376f8 Oliver Glitta 2021-06-28 87 kmem_cache_destroy(s); 1f9f78b1b376f8 Oliver Glitta 2021-06-28 88 } 1f9f78b1b376f8 Oliver Glitta 2021-06-28 89 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/[email protected] _______________________________________________ kbuild mailing list -- [email protected] To unsubscribe send an email to [email protected]
