https://bugzilla.kernel.org/show_bug.cgi?id=218867
Bug ID: 218867
Summary: UBSAN: array-index-out-of-bounds in
drivers/acpi/acpica/dswexec.c:401:12
Product: ACPI
Version: 2.5
Hardware: All
OS: Linux
Status: NEW
Severity: normal
Priority: P3
Component: ACPICA-Core
Assignee: acpi_acpica-c...@kernel-bugs.osdl.org
Reporter: ionut_n2...@yahoo.com
Regression: No
[ 0.662597]
================================================================================
[ 0.662604] UBSAN: array-index-out-of-bounds in
drivers/acpi/acpica/dswexec.c:401:12
[ 0.662611] index -1 is out of range for type 'acpi_operand_object *[9]'
[ 0.662615] CPU: 0 PID: 18 Comm: kworker/0:1 Not tainted 6.1.25-1-lowlatency
#1
[ 0.662618] Hardware name: Intel(R) Client Systems NUC9i7QNX/NUC9i7QNB, BIOS
QXCFL579.0034.2019.1125.1436 11/25/2019
[ 0.662620] Workqueue: kacpid acpi_os_execute_deferred
[ 0.662626] Call Trace:
[ 0.662628] <TASK>
[ 0.662630] dump_stack_lvl+0x4a/0x6f
[ 0.662635] dump_stack+0x10/0x18
[ 0.662639] ubsan_epilogue+0x9/0x3a
[ 0.662642] __ubsan_handle_out_of_bounds.cold+0x46/0x4b
[ 0.662645] acpi_ds_exec_end_op+0x943/0x950
[ 0.662650] acpi_ps_parse_loop+0x28e/0xa30
[ 0.662654] acpi_ps_parse_aml+0x226/0x5f0
[ 0.662657] acpi_ps_execute_method+0x172/0x3e0
[ 0.662661] acpi_ns_evaluate+0x2f2/0x5e0
[ 0.662663] acpi_ev_asynch_execute_gpe_method+0x14b/0x1d0
[ 0.662668] acpi_os_execute_deferred+0x17/0x40
[ 0.662671] process_one_work+0x222/0x3f0
[ 0.662675] worker_thread+0x50/0x480
[ 0.662679] ? process_one_work+0x3f0/0x3f0
[ 0.662682] kthread+0xea/0x120
[ 0.662684] ? kthread_complete_and_exit+0x20/0x20
[ 0.662687] ret_from_fork+0x1f/0x30
[ 0.662694] </TASK>
[ 0.662695]
================================================================================e
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