pci 0000:00:01.0: BAR 2 [mem 0x380800000000-0x380800003fff 64bit pref]: assigned
pci 0000:00:01.0: BAR 4 [mem 0x80800000-0x80800fff]: assigned
==================================================================
BUG: KASAN: slab-use-after-free in acpi_ut_update_object_reference+0x701/0x800 drivers/acpi/acpica/utdelete.c:544
Read of size 1 at addr ffff88801e776f79 by task syz.4.1789/13251

CPU: 1 UID: 0 PID: 13251 Comm: syz.4.1789 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120
 print_address_description mm/kasan/report.c:378 [inline]
 print_report+0x13d/0x4b0 mm/kasan/report.c:482
 kasan_report+0xdf/0x1c0 mm/kasan/report.c:595
 acpi_ut_update_object_reference+0x701/0x800 drivers/acpi/acpica/utdelete.c:544
 acpi_ut_add_reference+0x80/0x170 drivers/acpi/acpica/utdelete.c:694
 acpi_ex_resolve_node_to_value+0x7e1/0x9a0 drivers/acpi/acpica/exresnte.c:135
 acpi_ex_resolve_to_value+0x3da/0xcd0 drivers/acpi/acpica/exresolv.c:76
 acpi_ds_evaluate_name_path+0x30d/0x4a0 drivers/acpi/acpica/dsutils.c:790
 acpi_ds_exec_end_op+0xb78/0x1e60 drivers/acpi/acpica/dswexec.c:374
 acpi_ps_parse_loop+0x5e1/0x26e0 drivers/acpi/acpica/psloop.c:553
 acpi_ps_parse_aml+0x81e/0x1120 drivers/acpi/acpica/psparse.c:489
 acpi_ps_execute_method+0x5c4/0xe90 drivers/acpi/acpica/psxface.c:190
 acpi_ns_evaluate+0x640/0x1670 drivers/acpi/acpica/nseval.c:205
 acpi_ut_evaluate_object+0xf7/0x610 drivers/acpi/acpica/uteval.c:60
 acpi_rs_get_prt_method_data+0xa0/0x150 drivers/acpi/acpica/rsutils.c:446
 acpi_get_irq_routing_table+0xb8/0x140 drivers/acpi/acpica/rsxface.c:137
 acpi_pci_irq_find_prt_entry+0x179/0xdd0 drivers/acpi/pci_irq.c:215
 acpi_pci_irq_lookup+0x8e/0x6b0 drivers/acpi/pci_irq.c:299
 acpi_pci_irq_enable+0x1f5/0x6f0 drivers/acpi/pci_irq.c:414
 pcibios_enable_device+0xb6/0xe0 arch/x86/pci/common.c:699
 do_pci_enable_device+0x21f/0x4a0 drivers/pci/pci.c:2031
 pci_enable_device_flags+0x27c/0x370 drivers/pci/pci.c:2122
 virtio_pci_probe+0x1d5/0x410 drivers/virtio/virtio_pci_common.c:703
 local_pci_probe+0xdd/0x1b0 drivers/pci/pci-driver.c:354
 pci_call_probe+0x176/0x800 drivers/pci/pci-driver.c:416
 __pci_device_probe drivers/pci/pci-driver.c:478 [inline]
 pci_device_probe+0x25b/0x400 drivers/pci/pci-driver.c:512
 call_driver_probe drivers/base/dd.c:628 [inline]
 really_probe+0x241/0xa60 drivers/base/dd.c:706
 __driver_probe_device+0x210/0x460 drivers/base/dd.c:868
 driver_probe_device+0x4a/0x140 drivers/base/dd.c:898
 __device_attach_driver+0x1df/0x320 drivers/base/dd.c:1026
 bus_for_each_drv+0x159/0x1e0 drivers/base/bus.c:500
 __device_attach+0x1e4/0x4d0 drivers/base/dd.c:1098
 device_initial_probe+0xaf/0xd0 drivers/base/dd.c:1153
 pci_bus_add_device+0xc5/0x100 drivers/pci/bus.c:373
 pci_bus_add_devices+0x9a/0x1f0 drivers/pci/bus.c:394
 pci_rescan_bus+0x2a/0x40 drivers/pci/probe.c:3502
 rescan_store+0xfb/0x130 drivers/pci/pci-sysfs.c:474
 bus_attr_store+0x74/0xb0 drivers/base/bus.c:172
 sysfs_kf_write+0xf2/0x150 fs/sysfs/file.c:145
 kernfs_fop_write_iter+0x3e0/0x5f0 fs/kernfs/file.c:345
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x6af/0x1050 fs/read_write.c:687
 ksys_write+0x12a/0x250 fs/read_write.c:739
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fca9bb9e559
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fca9c9e8028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fca9be25fa0 RCX: 00007fca9bb9e559
RDX: 0000000000000001 RSI: 0000200000000200 RDI: 0000000000000004
RBP: 00007fca9bc358b0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fca9be26038 R14: 00007fca9be25fa0 R15: 00007fff135d44b8
 </TASK>

Allocated by task 1:
 kasan_save_stack+0x30/0x50 mm/kasan/common.c:57
 kasan_save_track+0x14/0x30 mm/kasan/common.c:78
 unpoison_slab_object mm/kasan/common.c:351 [inline]
 __kasan_slab_alloc+0x89/0x90 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+0x269/0x6a0 mm/slub.c:5010
 acpi_ut_allocate_object_desc_dbg+0x86/0x240 drivers/acpi/acpica/utobject.c:359
 acpi_ut_create_internal_object_dbg+0x51/0x260 drivers/acpi/acpica/utobject.c:69
 acpi_ds_build_internal_package_obj+0xa8c/0xe60 drivers/acpi/acpica/dspkginit.c:92
 acpi_ds_eval_data_object_operands+0x2fd/0x640 drivers/acpi/acpica/dsopcode.c:638
 acpi_ds_exec_end_op+0xe41/0x1e60 drivers/acpi/acpica/dswexec.c:617
 acpi_ps_parse_loop+0x5e1/0x26e0 drivers/acpi/acpica/psloop.c:553
 acpi_ps_parse_aml+0x81e/0x1120 drivers/acpi/acpica/psparse.c:489
 acpi_ps_execute_table+0x393/0x500 drivers/acpi/acpica/psxface.c:295
 acpi_ns_execute_table+0x596/0x970 drivers/acpi/acpica/nsparse.c:116
 acpi_ns_parse_table+0xcb/0x160 drivers/acpi/acpica/nsparse.c:268
 acpi_ns_load_table+0xc9/0x490 drivers/acpi/acpica/nsload.c:71
 acpi_tb_load_namespace+0x2b0/0x8f0 drivers/acpi/acpica/tbxfload.c:158
 acpi_load_tables+0x89/0x160 drivers/acpi/acpica/tbxfload.c:59
 acpi_bus_init drivers/acpi/bus.c:1373 [inline]
 acpi_init+0x146/0x840 drivers/acpi/bus.c:1486
 do_one_initcall+0x11c/0x6f0 init/main.c:1362
 do_initcall_level init/main.c:1424 [inline]
 do_initcalls init/main.c:1440 [inline]
 do_basic_setup init/main.c:1460 [inline]
 kernel_init_freeable+0x6ea/0x7b0 init/main.c:1675
 kernel_init+0x21/0x1e0 init/main.c:1565
 ret_from_fork+0x730/0xd60 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245

Freed by task 12255:
 kasan_save_stack+0x30/0x50 mm/kasan/common.c:57
 kasan_save_track+0x14/0x30 mm/kasan/common.c:78
 kasan_save_free_info+0x3b/0x70 mm/kasan/generic.c:584
 poison_slab_object mm/kasan/common.c:264 [inline]
 __kasan_slab_free+0x5f/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+0x127/0x6c0 mm/slub.c:6636
 acpi_os_release_object+0x1c/0x30 drivers/acpi/osl.c:1661
 acpi_ut_delete_object_desc+0xea/0x130 drivers/acpi/acpica/utobject.c:402
 acpi_ut_delete_internal_obj drivers/acpi/acpica/utdelete.c:316 [inline]
 acpi_ut_update_ref_count.part.0+0x510/0x2250 drivers/acpi/acpica/utdelete.c:436
 acpi_ut_update_ref_count drivers/acpi/acpica/utdelete.c:374 [inline]
 acpi_ut_update_object_reference+0x5f9/0x800 drivers/acpi/acpica/utdelete.c:632
 acpi_ut_remove_reference drivers/acpi/acpica/utdelete.c:740 [inline]
 acpi_ut_remove_reference+0x192/0x1d0 drivers/acpi/acpica/utdelete.c:710
 acpi_rs_get_prt_method_data+0xcd/0x150 drivers/acpi/acpica/rsutils.c:460
 acpi_get_irq_routing_table+0xb8/0x140 drivers/acpi/acpica/rsxface.c:137
 acpi_pci_irq_find_prt_entry+0x179/0xdd0 drivers/acpi/pci_irq.c:215
 acpi_pci_irq_lookup+0x8e/0x6b0 drivers/acpi/pci_irq.c:299
 acpi_pci_irq_disable+0x1a8/0x360 drivers/acpi/pci_irq.c:499
 pcibios_disable_device arch/x86/pci/common.c:706 [inline]
 pcibios_disable_device+0x89/0xb0 arch/x86/pci/common.c:703
 do_pci_disable_device+0x9f/0x100 drivers/pci/pci.c:2203
 pci_disable_device+0x130/0x270 drivers/pci/pci.c:2239
 virtio_pci_remove+0xcf/0x110 drivers/virtio/virtio_pci_common.c:767
 pci_device_remove+0xb2/0x1d0 drivers/pci/pci-driver.c:535
 device_remove+0xcb/0x180 drivers/base/dd.c:616
 __device_release_driver drivers/base/dd.c:1349 [inline]
 device_release_driver_internal+0x44e/0x620 drivers/base/dd.c:1372
 pci_stop_dev drivers/pci/remove.c:27 [inline]
 pci_stop_bus_device+0x120/0x160 drivers/pci/remove.c:94
 pci_stop_and_remove_bus_device+0x58/0xa0 drivers/pci/remove.c:129
 pci_stop_and_remove_bus_device_locked+0x1a/0x20 drivers/pci/remove.c:137
 remove_store+0x123/0x140 drivers/pci/pci-sysfs.c:524
 dev_attr_store+0x58/0x80 drivers/base/core.c:2509
 sysfs_kf_write+0xf2/0x150 fs/sysfs/file.c:145
 kernfs_fop_write_iter+0x3e0/0x5f0 fs/kernfs/file.c:345
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x6af/0x1050 fs/read_write.c:687
 ksys_write+0x12a/0x250 fs/read_write.c:739
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

The buggy address belongs to the object at ffff88801e776f70
 which belongs to the cache Acpi-Operand of size 72
The buggy address is located 9 bytes inside of
 freed 72-byte region [ffff88801e776f70, ffff88801e776fb8)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff88801e776e38 pfn:0x1e776
flags: 0xfff00000000200(workingset|node=0|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 00fff00000000200 ffff88801d04da40 ffff88801d6d1648 ffffea00008feb90
raw: ffff88801e776e38 0000000200270018 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 2618054228
 set_page_owner include/linux/page_owner.h:33 [inline]
 post_alloc_hook+0xfd/0x120 mm/page_alloc.c:1871
 prep_new_page mm/page_alloc.c:1879 [inline]
 get_page_from_freelist+0x110d/0x35d0 mm/page_alloc.c:3943
 __alloc_frozen_pages_noprof+0x2eb/0x3300 mm/page_alloc.c:5436
 alloc_slab_page mm/slub.c:3347 [inline]
 allocate_slab mm/slub.c:3462 [inline]
 new_slab+0xa9/0x6e0 mm/slub.c:3513
 refill_objects+0xe3/0x410 mm/slub.c:7418
 refill_sheaf mm/slub.c:2885 [inline]
 __pcs_replace_empty_main+0x35e/0x650 mm/slub.c:4774
 alloc_from_pcs mm/slub.c:4850 [inline]
 slab_alloc_node mm/slub.c:4984 [inline]
 kmem_cache_alloc_noprof+0x4c4/0x6a0 mm/slub.c:5010
 acpi_ut_allocate_object_desc_dbg+0x86/0x240 drivers/acpi/acpica/utobject.c:359
 acpi_ut_create_internal_object_dbg+0x51/0x260 drivers/acpi/acpica/utobject.c:69
 acpi_ds_build_internal_object+0x173/0x790 drivers/acpi/acpica/dsobject.c:94
 acpi_ds_build_internal_package_obj+0x481/0xe60 drivers/acpi/acpica/dspkginit.c:202
 acpi_ds_eval_data_object_operands+0x2fd/0x640 drivers/acpi/acpica/dsopcode.c:638
 acpi_ds_exec_end_op+0xe41/0x1e60 drivers/acpi/acpica/dswexec.c:617
 acpi_ps_parse_loop+0x5e1/0x26e0 drivers/acpi/acpica/psloop.c:553
 acpi_ps_parse_aml+0x81e/0x1120 drivers/acpi/acpica/psparse.c:489
 acpi_ps_execute_table+0x393/0x500 drivers/acpi/acpica/psxface.c:295
page_owner free stack trace missing

Memory state around the buggy address:
 ffff88801e776e00: fb fb fb fc fc fc fc fa fb fb fb fb fb fb fb fb
 ffff88801e776e80: fc fc fc fc fa fb fb fb fb fb fb fb fb fc fc fc
>ffff88801e776f00: fc fa fb fb fb fb fb fb fb fb fc fc fc fc fa fb
                                                                ^
 ffff88801e776f80: fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc fc
 ffff88801e777000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================