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Wed, 7 May 2025 05:42:19 +0000 Date: Wed, 7 May 2025 13:42:10 +0800 From: kernel test robot To: "Rafael J. Wysocki" CC: , , "Rafael J. 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v1 18/19] ACPICA: Replace strncpy() with memcpy()") url: https://github.com/intel-lab-lkp/linux/commits/Rafael-J-Wysocki/ACPICA-Drop-stale-comment-about-the-header-file-content/20250426-034340 base: https://git.kernel.org/cgit/linux/kernel/git/rafael/linux-pm.git linux-next patch link: https://lore.kernel.org/all/1910878.atdPhlSkOF@rjwysocki.net/ patch subject: [PATCH v1 18/19] ACPICA: Replace strncpy() with memcpy() in testcase: boot config: x86_64-randconfig-103-20250426 compiler: gcc-12 test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 16G (please refer to attached dmesg/kmsg for entire log/backtrace) +--------------------------------------------------------+------------+------------+ | | 2d3714d918 | 42d0e849d2 | +--------------------------------------------------------+------------+------------+ | BUG:KASAN:global-out-of-bounds_in_acpi_ut_safe_strncpy | 0 | 18 | +--------------------------------------------------------+------------+------------+ 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 | Closes: https://lore.kernel.org/oe-lkp/202505071055.2de34dd7-lkp@intel.com [ 11.237174][ T1] BUG: KASAN: global-out-of-bounds in acpi_ut_safe_strncpy (kbuild/obj/consumer/x86_64-randconfig-103-20250426/drivers/acpi/acpica/utnonansi.c:172) [ 11.237174][ T1] Read of size 16 at addr ffffffffb92c19e0 by task swapper/0/1 [ 11.237174][ T1] [ 11.237174][ T1] CPU: 1 UID: 0 PID: 1 Comm: swapper/0 Not tainted 6.15.0-rc3-00082-g42d0e849d2f0 #1 PREEMPTLAZY [ 11.237174][ T1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 [ 11.237174][ T1] Call Trace: [ 11.237174][ T1] [ 11.237174][ T1] dump_stack_lvl (kbuild/obj/consumer/x86_64-randconfig-103-20250426/lib/dump_stack.c:123) [ 11.237174][ T1] print_address_description+0x33/0x3d0 [ 11.237174][ T1] print_report (kbuild/obj/consumer/x86_64-randconfig-103-20250426/mm/kasan/report.c:522) [ 11.237174][ T1] ? acpi_ut_safe_strncpy (kbuild/obj/consumer/x86_64-randconfig-103-20250426/drivers/acpi/acpica/utnonansi.c:172) [ 11.237174][ T1] ? kasan_addr_to_slab (kbuild/obj/consumer/x86_64-randconfig-103-20250426/mm/kasan/common.c:37) [ 11.237174][ T1] ? acpi_ut_safe_strncpy (kbuild/obj/consumer/x86_64-randconfig-103-20250426/drivers/acpi/acpica/utnonansi.c:172) [ 11.237174][ T1] kasan_report (kbuild/obj/consumer/x86_64-randconfig-103-20250426/mm/kasan/report.c:636) [ 11.237174][ T1] ? acpi_ut_safe_strncpy (kbuild/obj/consumer/x86_64-randconfig-103-20250426/drivers/acpi/acpica/utnonansi.c:172) [ 11.237174][ T1] kasan_check_range (kbuild/obj/consumer/x86_64-randconfig-103-20250426/mm/kasan/generic.c:183 kbuild/obj/consumer/x86_64-randconfig-103-20250426/mm/kasan/generic.c:189) [ 11.237174][ T1] __asan_memcpy (kbuild/obj/consumer/x86_64-randconfig-103-20250426/mm/kasan/shadow.c:105) [ 11.237174][ T1] acpi_ut_safe_strncpy (kbuild/obj/consumer/x86_64-randconfig-103-20250426/drivers/acpi/acpica/utnonansi.c:172) [ 11.237174][ T1] acpi_ps_alloc_op (kbuild/obj/consumer/x86_64-randconfig-103-20250426/drivers/acpi/acpica/psutils.c:122) [ 11.237174][ T1] acpi_ps_create_scope_op (kbuild/obj/consumer/x86_64-randconfig-103-20250426/drivers/acpi/acpica/psutils.c:34) [ 11.237174][ T1] acpi_ps_execute_table (kbuild/obj/consumer/x86_64-randconfig-103-20250426/drivers/acpi/acpica/psxface.c:249) [ 11.237174][ T1] ? acpi_ns_get_normalized_pathname (kbuild/obj/consumer/x86_64-randconfig-103-20250426/drivers/acpi/acpica/nsnames.c:321 (discriminator 1)) [ 11.237174][ T1] acpi_ns_execute_table (kbuild/obj/consumer/x86_64-randconfig-103-20250426/drivers/acpi/acpica/nsparse.c:120 (discriminator 5)) [ 11.237174][ T1] ? acpi_ns_get_attached_data (kbuild/obj/consumer/x86_64-randconfig-103-20250426/drivers/acpi/acpica/nsparse.c:45) [ 11.237174][ T1] ? acpi_ut_add_address_range (kbuild/obj/consumer/x86_64-randconfig-103-20250426/include/linux/sched.h:2268 kbuild/obj/consumer/x86_64-randconfig-103-20250426/drivers/acpi/acpica/utaddress.c:56) [ 11.237174][ T1] ? acpi_os_signal_semaphore (kbuild/obj/consumer/x86_64-randconfig-103-20250426/drivers/acpi/osl.c:1334) [ 11.237174][ T1] ? __sanitizer_cov_trace_const_cmp4 (kbuild/obj/consumer/x86_64-randconfig-103-20250426/kernel/kcov.c:316) [ 11.237174][ T1] ? acpi_ut_status_exit (kbuild/obj/consumer/x86_64-randconfig-103-20250426/drivers/acpi/acpica/utdebug.c:474) [ 11.237174][ T1] acpi_ns_parse_table (kbuild/obj/consumer/x86_64-randconfig-103-20250426/drivers/acpi/acpica/nsparse.c:270 (discriminator 5)) [ 11.237174][ T1] acpi_ns_load_table (kbuild/obj/consumer/x86_64-randconfig-103-20250426/drivers/acpi/acpica/nsload.c:72) [ 11.237174][ T1] acpi_tb_load_namespace (kbuild/obj/consumer/x86_64-randconfig-103-20250426/drivers/acpi/acpica/tbxfload.c:159) [ 11.237174][ T1] ? acpi_ev_install_region_handlers (kbuild/obj/consumer/x86_64-randconfig-103-20250426/drivers/acpi/acpica/evhandler.c:101 (discriminator 1)) [ 11.237174][ T1] acpi_load_tables (kbuild/obj/consumer/x86_64-randconfig-103-20250426/drivers/acpi/acpica/tbxfload.c:63) [ 11.237174][ T1] acpi_bus_init (kbuild/obj/consumer/x86_64-randconfig-103-20250426/drivers/acpi/bus.c:1344) [ 11.237174][ T1] ? acpi_sleep_proc_init (kbuild/obj/consumer/x86_64-randconfig-103-20250426/drivers/acpi/bus.c:1337) [ 11.237174][ T1] ? kset_create_and_add (kbuild/obj/consumer/x86_64-randconfig-103-20250426/lib/kobject.c:412) [ 11.237174][ T1] ? __kasan_kmalloc (kbuild/obj/consumer/x86_64-randconfig-103-20250426/mm/kasan/common.c:377 kbuild/obj/consumer/x86_64-randconfig-103-20250426/mm/kasan/common.c:394) [ 11.237174][ T1] ? __sanitizer_cov_trace_const_cmp4 (kbuild/obj/consumer/x86_64-randconfig-103-20250426/kernel/kcov.c:316) [ 11.237174][ T1] acpi_init (kbuild/obj/consumer/x86_64-randconfig-103-20250426/drivers/acpi/bus.c:1455) [ 11.237174][ T1] ? acpi_arch_init+0x20/0x20 [ 11.237174][ T1] ? fb_console_init (kbuild/obj/consumer/x86_64-randconfig-103-20250426/drivers/video/fbdev/core/fbcon.c:3368) [ 11.237174][ T1] ? acpi_arch_init+0x20/0x20 [ 11.237174][ T1] do_one_initcall (kbuild/obj/consumer/x86_64-randconfig-103-20250426/init/main.c:1257) [ 11.237174][ T1] ? rdinit_setup (kbuild/obj/consumer/x86_64-randconfig-103-20250426/init/main.c:1303) [ 11.237174][ T1] ? trace_event_raw_event_initcall_level (kbuild/obj/consumer/x86_64-randconfig-103-20250426/init/main.c:1248) [ 11.237174][ T1] ? __kmalloc_noprof (kbuild/obj/consumer/x86_64-randconfig-103-20250426/include/trace/events/kmem.h:54 kbuild/obj/consumer/x86_64-randconfig-103-20250426/mm/slub.c:4342 kbuild/obj/consumer/x86_64-randconfig-103-20250426/mm/slub.c:4353) [ 11.237174][ T1] do_initcalls (kbuild/obj/consumer/x86_64-randconfig-103-20250426/init/main.c:1318 kbuild/obj/consumer/x86_64-randconfig-103-20250426/init/main.c:1335) [ 11.237174][ T1] kernel_init_freeable (kbuild/obj/consumer/x86_64-randconfig-103-20250426/init/main.c:1569) [ 11.237174][ T1] ? rest_init (kbuild/obj/consumer/x86_64-randconfig-103-20250426/init/main.c:1449) [ 11.237174][ T1] kernel_init (kbuild/obj/consumer/x86_64-randconfig-103-20250426/init/main.c:1459) [ 11.237174][ T1] ? rest_init (kbuild/obj/consumer/x86_64-randconfig-103-20250426/init/main.c:1449) [ 11.237174][ T1] ret_from_fork (kbuild/obj/consumer/x86_64-randconfig-103-20250426/arch/x86/kernel/process.c:153) [ 11.237174][ T1] ? rest_init (kbuild/obj/consumer/x86_64-randconfig-103-20250426/init/main.c:1449) [ 11.237174][ T1] ret_from_fork_asm (kbuild/obj/consumer/x86_64-randconfig-103-20250426/arch/x86/entry/entry_64.S:255) [ 11.237174][ T1] RIP: 2e66:0x0 [ 11.237174][ T1] Code: Unable to access opcode bytes at 0xffffffffffffffd6. Code starting with the faulting instruction =========================================== [ 11.237174][ T1] RSP: 0084:0000000000000000 EFLAGS: 841f0f2e660000 ORIG_RAX: 2e66000000000084 [ 11.237174][ T1] RAX: 0000000000000000 RBX: 2e66000000000084 RCX: 0000000000841f0f [ 11.237174][ T1] RDX: 000000841f0f2e66 RSI: 00841f0f2e660000 RDI: 1f0f2e6600000000 [ 11.237174][ T1] RBP: 1f0f2e6600000000 R08: 1f0f2e6600000000 R09: 00841f0f2e660000 [ 11.237174][ T1] R10: 000000841f0f2e66 R11: 0000000000841f0f R12: 00841f0f2e660000 [ 11.237174][ T1] R13: 000000841f0f2e66 R14: 0000000000841f0f R15: 2e66000000000084 [ 11.237174][ T1] [ 11.237174][ T1] [ 11.237174][ T1] The buggy address belongs to the variable: [ 11.237174][ T1] _acpi_module_name+0x240/0x20c0 [ 11.237174][ T1] [ 11.237174][ T1] The buggy address belongs to the physical page: [ 11.237174][ T1] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x890c1 [ 11.237174][ T1] flags: 0x100000000002000(reserved|node=0|zone=1) [ 11.237174][ T1] raw: 0100000000002000 ffffea0002243048 ffffea0002243048 0000000000000000 [ 11.237174][ T1] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 11.237174][ T1] page dumped because: kasan: bad access detected [ 11.237174][ T1] page_owner info is not present (never set?) [ 11.237174][ T1] [ 11.237174][ T1] Memory state around the buggy address: [ 11.237174][ T1] ffffffffb92c1880: f9 f9 f9 f9 05 f9 f9 f9 f9 f9 f9 f9 00 02 f9 f9 [ 11.237174][ T1] ffffffffb92c1900: f9 f9 f9 f9 00 02 f9 f9 f9 f9 f9 f9 00 03 f9 f9 [ 11.237174][ T1] >ffffffffb92c1980: f9 f9 f9 f9 07 f9 f9 f9 f9 f9 f9 f9 06 f9 f9 f9 [ 11.237174][ T1] ^ [ 11.237174][ T1] ffffffffb92c1a00: f9 f9 f9 f9 07 f9 f9 f9 f9 f9 f9 f9 00 f9 f9 f9 [ 11.237174][ T1] ffffffffb92c1a80: f9 f9 f9 f9 07 f9 f9 f9 f9 f9 f9 f9 07 f9 f9 f9 [ 11.237174][ T1] ================================================================== The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20250507/202505071055.2de34dd7-lkp@intel.com -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki