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X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH7PR11MB7025 X-OriginatorOrg: intel.com Hello, kernel test robot noticed "UBSAN:array-index-out-of-bounds_in_drivers/firmware/dmi_scan.c" on: commit: e527a6127223b644e0a27b44f4b16e16eb6c7f0a ("platform/x86: toshiba_acpi: Fix quickstart quirk handling") https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master [test failed on linus/master 1dd28064d4164a4dc9096fd1a7990d2de15f2bb6] [test failed on linux-next/master 0b58e108042b0ed28a71cd7edf5175999955b233] in testcase: rcutorture version: with following parameters: runtime: 300s test: default torture_type: tasks compiler: gcc-13 test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 16G (please refer to attached dmesg/kmsg for entire log/backtrace) +----------------------------------------------------------------+------------+------------+ | | 7add1ee346 | e527a61272 | +----------------------------------------------------------------+------------+------------+ | UBSAN:array-index-out-of-bounds_in_drivers/firmware/dmi_scan.c | 0 | 12 | +----------------------------------------------------------------+------------+------------+ 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/202407091536.8b116b3d-lkp@intel.com [ 29.706379][ T1] ------------[ cut here ]------------ [ 29.707252][ T1] UBSAN: array-index-out-of-bounds in drivers/firmware/dmi_scan.c:859:23 [ 29.708541][ T1] index 116 is out of range for type 'char *[23]' [ 29.709456][ T1] CPU: 0 PID: 1 Comm: swapper Not tainted 6.10.0-rc1-00022-ge527a6127223 #1 ab67a70a695d4c6254fd8ecc241ff23c9c365cc4 [ 29.711170][ T1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 [ 29.711230][ T1] Call Trace: [ 29.711230][ T1] [ 29.711230][ T1] dump_stack_lvl (lib/dump_stack.c:117 (discriminator 1)) [ 29.711230][ T1] dump_stack (lib/dump_stack.c:124) [ 29.711230][ T1] ubsan_epilogue (lib/ubsan.c:232) [ 29.711230][ T1] __ubsan_handle_out_of_bounds (lib/ubsan.c:429) [ 29.711230][ T1] dmi_matches (drivers/firmware/dmi_scan.c:859) [ 29.711230][ T1] dmi_first_match (drivers/firmware/dmi_scan.c:936 (discriminator 1)) [ 29.711230][ T1] toshiba_acpi_init (drivers/platform/x86/toshiba_acpi.c:3615 drivers/platform/x86/toshiba_acpi.c:3629) [ 29.711230][ T1] ? toshiba_wmi_init (drivers/platform/x86/toshiba_acpi.c:3626) [ 29.711230][ T1] do_one_initcall (init/main.c:1267) [ 29.711230][ T1] ? trace_event_raw_event_initcall_level (init/main.c:1258) [ 29.711230][ T1] ? do_initcalls (include/linux/slab.h:664 include/linux/slab.h:778 init/main.c:1338) [ 29.711230][ T1] do_initcalls (init/main.c:1328 (discriminator 1) init/main.c:1345 (discriminator 1)) [ 29.711230][ T1] kernel_init_freeable (init/main.c:1580) [ 29.711230][ T1] ? rest_init (init/main.c:1459) [ 29.711230][ T1] kernel_init (init/main.c:1469) [ 29.711230][ T1] ? __switch_to (arch/x86/kernel/process_64.c:713) [ 29.711230][ T1] ret_from_fork (arch/x86/kernel/process.c:153) [ 29.711230][ T1] ? rest_init (init/main.c:1459) [ 29.711230][ T1] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) [ 29.711230][ T1] [ 29.726986][ T1] ---[ end trace ]--- The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20240709/202407091536.8b116b3d-lkp@intel.com -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki