Bug 218867

Summary: UBSAN: array-index-out-of-bounds in drivers/acpi/acpica/dswexec.c:401:12
Product: ACPI Reporter: sander44 (ionut_n2001)
Component: ACPICA-CoreAssignee: acpi_acpica-core (acpi_acpica-core)
Status: NEEDINFO ---    
Severity: normal    
Priority: P3    
Hardware: All   
OS: Linux   
Kernel Version: 6.1.25 Subsystem:
Regression: No Bisected commit-id:

Description sander44 2024-05-21 12:39:40 UTC 
[    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
Comment 1 Artem S. Tashkinov 2024-05-23 07:13:14 UTC 
6.1.25 is really old and unlikely to get any fixes.

Is this reproducible in 6.6.31/6.9.1?