==================================================================
BUG: KASAN: slab-use-after-free in acpi_ns_get_attached_object+0x166/0x190 drivers/acpi/acpica/nsobject.c:264
Read of size 1 at addr ffff88800097aa98 by task kworker/u4:9/1065

CPU: 0 UID: 0 PID: 1065 Comm: kworker/u4:9 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
Workqueue: async async_run_entry_fn
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
 print_address_description+0x55/0x1e0 mm/kasan/report.c:378
 print_report+0x58/0x70 mm/kasan/report.c:482
 kasan_report+0x117/0x150 mm/kasan/report.c:595
 acpi_ns_get_attached_object+0x166/0x190 drivers/acpi/acpica/nsobject.c:264
 acpi_ex_resolve_node_to_value+0xcc/0xa80 drivers/acpi/acpica/exresnte.c:61
 acpi_ex_resolve_to_value+0x23b/0xd50 drivers/acpi/acpica/exresolv.c:76
 acpi_ds_evaluate_name_path+0x253/0x460 drivers/acpi/acpica/dsutils.c:790
 acpi_ds_exec_end_op+0x28b/0x1b00 drivers/acpi/acpica/dswexec.c:374
 acpi_ps_parse_loop+0xfa3/0x23f0 drivers/acpi/acpica/psloop.c:553
 acpi_ps_parse_aml+0x388/0x1020 drivers/acpi/acpica/psparse.c:489
 acpi_ps_execute_method+0x89d/0xa70 drivers/acpi/acpica/psxface.c:190
 acpi_ns_evaluate+0xd05/0x1320 drivers/acpi/acpica/nseval.c:205
 acpi_ut_evaluate_object+0xe1/0x560 drivers/acpi/acpica/uteval.c:60
 acpi_rs_get_prt_method_data+0xb2/0x150 drivers/acpi/acpica/rsutils.c:446
 acpi_get_irq_routing_table+0x98/0xe0 drivers/acpi/acpica/rsxface.c:137
 acpi_pci_irq_find_prt_entry+0x163/0x1040 drivers/acpi/pci_irq.c:215
 acpi_pci_irq_lookup+0x45/0x690 drivers/acpi/pci_irq.c:299
 acpi_pci_irq_enable+0x1ee/0x7a0 drivers/acpi/pci_irq.c:414
 do_pci_enable_device+0x26f/0x4a0 drivers/pci/pci.c:2031
 pci_enable_device_flags+0x5ab/0x700 drivers/pci/pci.c:2122
 i801_probe+0x443/0x13f0 drivers/i2c/busses/i2c-i801.c:1573
 local_pci_probe drivers/pci/pci-driver.c:354 [inline]
 pci_call_probe drivers/pci/pci-driver.c:416 [inline]
 __pci_device_probe drivers/pci/pci-driver.c:478 [inline]
 pci_device_probe+0x48e/0xd10 drivers/pci/pci-driver.c:512
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x254/0xae0 drivers/base/dd.c:706
 __driver_probe_device+0x1e8/0x360 drivers/base/dd.c:868
 driver_probe_device+0x4f/0x240 drivers/base/dd.c:898
 __device_attach_driver+0x270/0x410 drivers/base/dd.c:1026
 bus_for_each_drv+0x258/0x2f0 drivers/base/bus.c:500
 __device_attach_async_helper+0x1e7/0x2b0 drivers/base/dd.c:1055
 async_run_entry_fn+0x9d/0x430 kernel/async.c:129
 process_one_work kernel/workqueue.c:3396 [inline]
 process_scheduled_works+0xc3d/0x1630 kernel/workqueue.c:3479
 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3560
 kthread+0x38b/0x480 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>

Allocated by task 1:
 kasan_save_stack mm/kasan/common.c:57 [inline]
 kasan_save_track+0x3e/0x80 mm/kasan/common.c:78
 unpoison_slab_object mm/kasan/common.c:351 [inline]
 __kasan_slab_alloc+0x6c/0x80 mm/kasan/common.c:377
 kasan_slab_alloc include/linux/kasan.h:253 [inline]
 slab_post_alloc_hook mm/slub.c:4683 [inline]
 slab_alloc_node mm/slub.c:4996 [inline]
 kmem_cache_alloc_noprof+0x2b9/0x600 mm/slub.c:5010
 acpi_ut_allocate_object_desc_dbg+0x8c/0x230 drivers/acpi/acpica/utobject.c:359
 acpi_ut_create_internal_object_dbg+0x4d/0x310 drivers/acpi/acpica/utobject.c:69
 acpi_ds_build_internal_object+0x294/0x690 drivers/acpi/acpica/dsobject.c:94
 acpi_ds_create_node+0xb6/0x1b0 drivers/acpi/acpica/dsobject.c:281
 acpi_ds_exec_end_op+0xe18/0x1b00 drivers/acpi/acpica/dswexec.c:594
 acpi_ps_parse_loop+0xfa3/0x23f0 drivers/acpi/acpica/psloop.c:553
 acpi_ps_parse_aml+0x388/0x1020 drivers/acpi/acpica/psparse.c:489
 acpi_ps_execute_table+0x352/0x440 drivers/acpi/acpica/psxface.c:295
 acpi_ns_execute_table+0x5d0/0x890 drivers/acpi/acpica/nsparse.c:116
 acpi_ns_parse_table+0xef/0x170 drivers/acpi/acpica/nsparse.c:268
 acpi_ns_load_table+0x131/0x430 drivers/acpi/acpica/nsload.c:71
 acpi_tb_load_namespace+0x2ca/0x880 drivers/acpi/acpica/tbxfload.c:158
 acpi_load_tables+0x53/0xf0 drivers/acpi/acpica/tbxfload.c:59
 acpi_bus_init+0x82/0x360 drivers/acpi/bus.c:1373
 acpi_init+0xa1/0x1f0 drivers/acpi/bus.c:1486
 do_one_initcall+0x250/0x870 init/main.c:1362
 do_initcall_level+0x10a/0x1a0 init/main.c:1424
 do_initcalls+0x59/0xa0 init/main.c:1440
 kernel_init_freeable+0x29d/0x3e0 init/main.c:1675
 kernel_init+0x22/0x1d0 init/main.c:1565
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245

Freed by task 5684:
 kasan_save_stack mm/kasan/common.c:57 [inline]
 kasan_save_track+0x3e/0x80 mm/kasan/common.c:78
 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:584
 poison_slab_object mm/kasan/common.c:264 [inline]
 __kasan_slab_free+0x5c/0x80 mm/kasan/common.c:296
 kasan_slab_free include/linux/kasan.h:235 [inline]
 slab_free_hook mm/slub.c:2748 [inline]
 slab_free mm/slub.c:6509 [inline]
 kmem_cache_free+0x182/0x650 mm/slub.c:6636
 acpi_os_release_object+0x1d/0x30 drivers/acpi/osl.c:1661
 acpi_ut_delete_object_desc+0x9b/0x110 drivers/acpi/acpica/utobject.c:402
 acpi_ut_delete_internal_obj drivers/acpi/acpica/utdelete.c:316 [inline]
 acpi_ut_update_ref_count+0x174c/0x1d10 drivers/acpi/acpica/utdelete.c:436
 acpi_ut_update_object_reference+0x4a8/0x870 drivers/acpi/acpica/utdelete.c:632
 acpi_rs_get_prt_method_data+0xeb/0x150 drivers/acpi/acpica/rsutils.c:460
 acpi_get_irq_routing_table+0x98/0xe0 drivers/acpi/acpica/rsxface.c:137
 acpi_pci_irq_find_prt_entry+0x163/0x1040 drivers/acpi/pci_irq.c:215
 acpi_pci_irq_lookup+0x45/0x690 drivers/acpi/pci_irq.c:299
 acpi_pci_irq_disable+0x151/0x340 drivers/acpi/pci_irq.c:499
 pci_release_dev+0x55/0x100 drivers/pci/probe.c:2489
 device_release+0xc4/0x1f0 drivers/base/core.c:-1
 kobject_cleanup lib/kobject.c:689 [inline]
 kobject_release lib/kobject.c:720 [inline]
 kref_put include/linux/kref.h:65 [inline]
 kobject_put+0x222/0x550 lib/kobject.c:737
 pci_stop_and_remove_bus_device drivers/pci/remove.c:130 [inline]
 pci_stop_and_remove_bus_device_locked+0x7f/0xb0 drivers/pci/remove.c:137
 remove_store+0xe5/0x150 drivers/pci/pci-sysfs.c:524
 kernfs_fop_write_iter+0x3a4/0x540 fs/kernfs/file.c:345
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x612/0xba0 fs/read_write.c:687
 ksys_write+0x150/0x270 fs/read_write.c:739
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

The buggy address belongs to the object at ffff88800097aa90
 which belongs to the cache Acpi-Operand of size 72
The buggy address is located 8 bytes inside of
 freed 72-byte region [ffff88800097aa90, ffff88800097aad8)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x97a
flags: 0x7ff00000000000(node=0|zone=0|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 007ff00000000000 ffff88801c0a0dc0 dead000000000100 dead000000000122
raw: 0000000000000000 0000000200270027 00000000f5000000 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0xd2cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 1, tgid 1 (swapper/0), ts 3981384551
 set_page_owner include/linux/page_owner.h:33 [inline]
 post_alloc_hook+0x1f9/0x250 mm/page_alloc.c:1871
 prep_new_page mm/page_alloc.c:1879 [inline]
 get_page_from_freelist+0x2209/0x2280 mm/page_alloc.c:3943
 __alloc_frozen_pages_noprof+0x217/0x5a0 mm/page_alloc.c:5436
 alloc_slab_page mm/slub.c:3347 [inline]
 allocate_slab+0x7d/0x620 mm/slub.c:3462
 new_slab mm/slub.c:3513 [inline]
 refill_objects+0x2d5/0x350 mm/slub.c:7418
 refill_sheaf mm/slub.c:2885 [inline]
 __pcs_replace_empty_main+0x2c8/0x6c0 mm/slub.c:4774
 alloc_from_pcs mm/slub.c:4850 [inline]
 slab_alloc_node mm/slub.c:4984 [inline]
 kmem_cache_alloc_noprof+0x399/0x600 mm/slub.c:5010
 acpi_ut_allocate_object_desc_dbg+0x8c/0x230 drivers/acpi/acpica/utobject.c:359
 acpi_ut_create_internal_object_dbg+0x4d/0x310 drivers/acpi/acpica/utobject.c:69
 acpi_ds_build_internal_object+0x294/0x690 drivers/acpi/acpica/dsobject.c:94
 acpi_ds_build_internal_package_obj+0x599/0xbe0 drivers/acpi/acpica/dspkginit.c:202
 acpi_ds_eval_data_object_operands+0x337/0x5c0 drivers/acpi/acpica/dsopcode.c:638
 acpi_ds_exec_end_op+0x1307/0x1b00 drivers/acpi/acpica/dswexec.c:-1
 acpi_ps_parse_loop+0xfa3/0x23f0 drivers/acpi/acpica/psloop.c:553
 acpi_ps_parse_aml+0x388/0x1020 drivers/acpi/acpica/psparse.c:489
 acpi_ps_execute_table+0x352/0x440 drivers/acpi/acpica/psxface.c:295
page_owner free stack trace missing

Memory state around the buggy address:
 ffff88800097a980: 00 00 00 00 fc fc fc fc fa fb fb fb fb fb fb fb
 ffff88800097aa00: fb fc fc fc fc fa fb fb fb fb fb fb fb fb fc fc
>ffff88800097aa80: fc fc fa fb fb fb fb fb fb fb fb fc fc fc fc fa
                            ^
 ffff88800097ab00: fb fb fb fb fb fb fb fb fc fc fc fc fa fb fb fb
 ffff88800097ab80: fb fb fb fb fb fc fc fc fc fa fb fb fb fb fb fb
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