hello, detected KASAN BUG
[ related information ] -------------------x-------------------x------------------------> [ 43.616259] BUG: KASAN: vmalloc-out-of-bounds in vmalloc_oob+0x146/0x2c0 (gdb) l *vmalloc_oob+0x146/0x2c0 0xffffffff81b8b0b0 is in vmalloc_oob (lib/test_kasan.c:764). 759 kfree_sensitive(ptr); 760 KUNIT_EXPECT_KASAN_FAIL(test, kfree_sensitive(ptr)); 761 } 762 763 static void vmalloc_oob(struct kunit *test) 764 { 765 void *area; 766 767 if (!IS_ENABLED(CONFIG_KASAN_VMALLOC)) { 768 kunit_info(test, "CONFIG_KASAN_VMALLOC is not enabled."); (gdb) l *vmalloc_oob+0x146 0xffffffff81b8b1f6 is in vmalloc_oob (lib/test_kasan.c:779). 774 * The MMU will catch that and crash us. 775 */ 776 area = vmalloc(3000); 777 KUNIT_ASSERT_NOT_ERR_OR_NULL(test, area); 778 779 KUNIT_EXPECT_KASAN_FAIL(test, ((volatile char *)area)[3100]); 780 vfree(area); 781 } 782 783 static struct kunit_case kasan_kunit_test_cases[] = { ----------------x-----------------------------x--------------------> Reported by: Jeffrin Jose T <jeff...@rajagiritech.edu.in> -- software engineer rajagiri school of engineering and technology - autonomous