pci 0000:00:04.0: [1af4:1000] type 00 class 0x020000
pci 0000:00:04.0: reg 0x10: [io 0xc040-0xc07f]
pci 0000:00:04.0: reg 0x14: [mem 0xfe801000-0xfe80107f]
pci 0000:00:04.0: BAR 1: assigned [mem 0xc0000000-0xc000007f]
pci 0000:00:04.0: BAR 0: assigned [io 0xc040-0xc07f]
==================================================================
BUG: KASAN: use-after-free in acpi_ut_update_object_reference+0x29d/0x6c0 drivers/acpi/acpica/utdelete.c:544
Read of size 1 at addr ffff8881069c8071 by task syz.2.17/400
CPU: 1 PID: 400 Comm: syz.2.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
Call Trace:
__dump_stack+0x21/0x24 lib/dump_stack.c:77
dump_stack_lvl+0x1a7/0x208 lib/dump_stack.c:118
print_address_description+0x7f/0x2c0 mm/kasan/report.c:248
__kasan_report mm/kasan/report.c:435 [inline]
kasan_report+0x100/0x140 mm/kasan/report.c:452
__asan_report_load1_noabort+0x14/0x20 mm/kasan/report_generic.c:306
acpi_ut_update_object_reference+0x29d/0x6c0 drivers/acpi/acpica/utdelete.c:544
acpi_ut_add_reference+0x39/0x50 drivers/acpi/acpica/utdelete.c:694
acpi_ex_resolve_node_to_value+0x533/0x650 drivers/acpi/acpica/exresnte.c:-1
acpi_ns_evaluate+0x5a7/0xa20 drivers/acpi/acpica/nseval.c:238
acpi_ut_evaluate_object+0x12f/0x480 drivers/acpi/acpica/uteval.c:60
acpi_rs_get_prt_method_data+0x92/0x110 drivers/acpi/acpica/rsutils.c:446
acpi_get_irq_routing_table+0xb4/0xe0 drivers/acpi/acpica/rsxface.c:137
acpi_pci_irq_find_prt_entry+0x160/0xe70 drivers/acpi/pci_irq.c:221
acpi_pci_irq_lookup+0x40/0x580 drivers/acpi/pci_irq.c:305
acpi_pci_irq_enable+0x186/0x680 drivers/acpi/pci_irq.c:425
pcibios_enable_device+0xc7/0x120 arch/x86/pci/common.c:691
do_pci_enable_device+0x2c5/0x520 drivers/pci/pci.c:1819
pci_enable_device_flags+0x6da/0x900 drivers/pci/pci.c:1904
pci_enable_device+0x1a/0x20 drivers/pci/pci.c:1951
virtio_pci_probe+0x15c/0x320 drivers/virtio/virtio_pci_common.c:534
local_pci_probe drivers/pci/pci-driver.c:308 [inline]
pci_call_probe drivers/pci/pci-driver.c:365 [inline]
__pci_device_probe drivers/pci/pci-driver.c:390 [inline]
pci_device_probe+0x27a/0x440 drivers/pci/pci-driver.c:433
really_probe+0x373/0xa60 drivers/base/dd.c:558
driver_probe_device+0xe1/0x190 drivers/base/dd.c:752
__device_attach_driver+0x282/0x3f0 drivers/base/dd.c:863
bus_for_each_drv+0x184/0x210 drivers/base/bus.c:433
__device_attach+0x2a8/0x410 drivers/base/dd.c:932
device_attach+0x17/0x20 drivers/base/dd.c:975
pci_bus_add_device+0x7a/0x110 drivers/pci/bus.c:324
pci_bus_add_devices+0x94/0x1c0 drivers/pci/bus.c:347
pci_rescan_bus+0x2c/0x40 drivers/pci/probe.c:3268
rescan_store+0xc9/0x150 drivers/pci/pci-sysfs.c:439
bus_attr_store+0x79/0xa0 drivers/base/bus.c:124
sysfs_kf_write+0x129/0x150 fs/sysfs/file.c:143
kernfs_fop_write_iter+0x2bd/0x400 fs/kernfs/file.c:296
call_write_iter include/linux/fs.h:2072 [inline]
new_sync_write fs/read_write.c:518 [inline]
vfs_write+0x770/0xd70 fs/read_write.c:605
ksys_write+0x14a/0x260 fs/read_write.c:658
__do_sys_write fs/read_write.c:670 [inline]
__se_sys_write fs/read_write.c:667 [inline]
__x64_sys_write+0x7b/0x90 fs/read_write.c:667
do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46
entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7fb225ff7559
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:00007ffc49f14de8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fb22627dfa0 RCX: 00007fb225ff7559
RDX: 000000000000001e RSI: 0000200000000600 RDI: 0000000000000005
RBP: 00007fb22608eb20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb22627dfac R14: 00007fb22627dfa0 R15: 00007fb22627dfa0
Allocated by task 1:
kasan_save_stack mm/kasan/common.c:38 [inline]
kasan_set_track mm/kasan/common.c:45 [inline]
set_alloc_info mm/kasan/common.c:430 [inline]
__kasan_slab_alloc+0xb7/0xe0 mm/kasan/common.c:463
kasan_slab_alloc include/linux/kasan.h:244 [inline]
slab_post_alloc_hook+0x5d/0x2f0 mm/slab.h:580
slab_alloc_node mm/slub.c:2952 [inline]
slab_alloc mm/slub.c:2960 [inline]
kmem_cache_alloc+0x15a/0x2d0 mm/slub.c:2965
kmem_cache_zalloc include/linux/slab.h:657 [inline]
acpi_os_acquire_object include/acpi/platform/aclinuxex.h:67 [inline]
acpi_ut_allocate_object_desc_dbg drivers/acpi/acpica/utobject.c:359 [inline]
acpi_ut_create_internal_object_dbg+0xe9/0x470 drivers/acpi/acpica/utobject.c:69
acpi_ds_build_internal_package_obj+0x180/0xb20 drivers/acpi/acpica/dspkginit.c:92
acpi_ds_eval_data_object_operands+0x2df/0x530 drivers/acpi/acpica/dsopcode.c:637
acpi_ds_exec_end_op+0xb60/0x1190 drivers/acpi/acpica/dswexec.c:-1
acpi_ps_parse_loop+0xc49/0x1c50 drivers/acpi/acpica/psloop.c:554
acpi_ps_parse_aml+0x214/0x9a0 drivers/acpi/acpica/psparse.c:489
acpi_ps_execute_table+0x332/0x410 drivers/acpi/acpica/psxface.c:295
acpi_ns_execute_table+0x3ac/0x570 drivers/acpi/acpica/nsparse.c:116
acpi_ns_parse_table+0x1d/0x30 drivers/acpi/acpica/nsparse.c:268
acpi_ns_load_table+0x6b/0x130 drivers/acpi/acpica/nsload.c:71
acpi_tb_load_namespace+0x287/0x6d0 drivers/acpi/acpica/tbxfload.c:158
acpi_load_tables+0x47/0xf6 drivers/acpi/acpica/tbxfload.c:59
acpi_bus_init+0x7c/0x3df drivers/acpi/bus.c:1132
acpi_init+0xca/0x223 drivers/acpi/bus.c:1246
do_one_initcall+0x205/0x5e0 init/main.c:1172
do_initcall_level+0x174/0x2dc init/main.c:1245
do_initcalls+0x50/0x92 init/main.c:1261
do_basic_setup+0x88/0x8f init/main.c:1281
kernel_init_freeable+0x28c/0x3c3 init/main.c:1485
kernel_init+0x11/0x1a0 init/main.c:1372
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
Freed by task 400:
kasan_save_stack mm/kasan/common.c:38 [inline]
kasan_set_track+0x4a/0x70 mm/kasan/common.c:45
kasan_set_free_info+0x23/0x40 mm/kasan/generic.c:370
____kasan_slab_free+0x125/0x160 mm/kasan/common.c:362
__kasan_slab_free+0x11/0x20 mm/kasan/common.c:370
kasan_slab_free include/linux/kasan.h:220 [inline]
slab_free_hook mm/slub.c:1600 [inline]
slab_free_freelist_hook+0xc5/0x190 mm/slub.c:1626
slab_free mm/slub.c:3208 [inline]
kmem_cache_free+0x100/0x2d0 mm/slub.c:3224
acpi_os_release_object+0x1d/0x30 drivers/acpi/osl.c:1717
acpi_ut_delete_object_desc+0x78/0xd0 drivers/acpi/acpica/utobject.c:402
acpi_ut_delete_internal_obj drivers/acpi/acpica/utdelete.c:316 [inline]
acpi_ut_update_ref_count+0xab3/0xbe0 drivers/acpi/acpica/utdelete.c:436
acpi_ut_update_object_reference+0x537/0x6c0 drivers/acpi/acpica/utdelete.c:632
acpi_ut_remove_reference+0x83/0xb0 drivers/acpi/acpica/utdelete.c:740
acpi_rs_get_prt_method_data+0xc9/0x110 drivers/acpi/acpica/rsutils.c:460
acpi_get_irq_routing_table+0xb4/0xe0 drivers/acpi/acpica/rsxface.c:137
acpi_pci_irq_find_prt_entry+0x160/0xe70 drivers/acpi/pci_irq.c:221
acpi_pci_irq_lookup+0x40/0x580 drivers/acpi/pci_irq.c:305
acpi_pci_irq_disable+0x18a/0x390 drivers/acpi/pci_irq.c:507
pcibios_disable_device+0xa7/0x100 arch/x86/pci/common.c:698
do_pci_disable_device drivers/pci/pci.c:2116 [inline]
pci_disable_device+0x213/0x3f0 drivers/pci/pci.c:2156
virtio_pci_remove+0xc4/0xe0 drivers/virtio/virtio_pci_common.c:598
pci_device_remove+0xa6/0x1e0 drivers/pci/pci-driver.c:456
__device_release_driver drivers/base/dd.c:-1 [inline]
device_release_driver_internal+0x531/0x7c0 drivers/base/dd.c:1221
device_release_driver+0x19/0x20 drivers/base/dd.c:1244
pci_stop_dev drivers/pci/remove.c:22 [inline]
pci_stop_bus_device+0x10c/0x140 drivers/pci/remove.c:82
pci_stop_and_remove_bus_device drivers/pci/remove.c:116 [inline]
pci_stop_and_remove_bus_device_locked+0x1a/0x30 drivers/pci/remove.c:124
remove_store+0xe2/0x140 drivers/pci/pci-sysfs.c:489
dev_attr_store+0x5e/0x80 drivers/base/core.c:2018
sysfs_kf_write+0x129/0x150 fs/sysfs/file.c:143
kernfs_fop_write_iter+0x2bd/0x400 fs/kernfs/file.c:296
call_write_iter include/linux/fs.h:2072 [inline]
new_sync_write fs/read_write.c:518 [inline]
vfs_write+0x770/0xd70 fs/read_write.c:605
ksys_write+0x14a/0x260 fs/read_write.c:658
__do_sys_write fs/read_write.c:670 [inline]
__se_sys_write fs/read_write.c:667 [inline]
__x64_sys_write+0x7b/0x90 fs/read_write.c:667
do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46
entry_SYSCALL_64_after_hwframe+0x61/0xcb
The buggy address belongs to the object at ffff8881069c8068
which belongs to the cache Acpi-Operand of size 72
The buggy address is located 9 bytes inside of
72-byte region [ffff8881069c8068, ffff8881069c80b0)
The buggy address belongs to the page:
page:ffffea00041a7200 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff8881069c83a8 pfn:0x1069c8
flags: 0x4000000000000200(slab)
raw: 4000000000000200 ffff88810006c890 ffffea00041a7508 ffff88810004db00
raw: ffff8881069c83a8 0000000000270023 00000001ffffffff 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 0x12cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY), pid 1, ts 1027594261, free_ts 0
set_page_owner include/linux/page_owner.h:35 [inline]
post_alloc_hook mm/page_alloc.c:2456 [inline]
prep_new_page+0x176/0x190 mm/page_alloc.c:2462
get_page_from_freelist+0x225f/0x23f0 mm/page_alloc.c:4254
__alloc_pages_nodemask+0x29a/0x640 mm/page_alloc.c:5384
alloc_slab_page mm/slub.c:-1 [inline]
allocate_slab mm/slub.c:1813 [inline]
new_slab+0x84/0x3f0 mm/slub.c:1874
new_slab_objects mm/slub.c:2632 [inline]
___slab_alloc+0x2f8/0x4c0 mm/slub.c:2796
__slab_alloc+0x63/0xa0 mm/slub.c:2836
slab_alloc_node mm/slub.c:2918 [inline]
slab_alloc mm/slub.c:2960 [inline]
kmem_cache_alloc+0x1a4/0x2d0 mm/slub.c:2965
kmem_cache_zalloc include/linux/slab.h:657 [inline]
acpi_os_acquire_object include/acpi/platform/aclinuxex.h:67 [inline]
acpi_ut_allocate_object_desc_dbg drivers/acpi/acpica/utobject.c:359 [inline]
acpi_ut_create_internal_object_dbg+0xe9/0x470 drivers/acpi/acpica/utobject.c:69
acpi_ds_build_internal_object+0x292/0x650 drivers/acpi/acpica/dsobject.c:94
acpi_ds_create_node+0x96/0x140 drivers/acpi/acpica/dsobject.c:281
acpi_ds_load2_end_op+0x896/0xf80 drivers/acpi/acpica/dswload2.c:618
acpi_ds_exec_end_op+0x683/0x1190 drivers/acpi/acpica/dswexec.c:638
acpi_ps_parse_loop+0xc49/0x1c50 drivers/acpi/acpica/psloop.c:554
acpi_ps_parse_aml+0x214/0x9a0 drivers/acpi/acpica/psparse.c:489
acpi_ps_execute_table+0x332/0x410 drivers/acpi/acpica/psxface.c:295
acpi_ns_execute_table+0x3ac/0x570 drivers/acpi/acpica/nsparse.c:116
page_owner free stack trace missing
Memory state around the buggy address:
ffff8881069c7f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
ffff8881069c7f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff8881069c8000: 00 00 00 00 00 00 00 00 00 fc fc fc fc fa fb fb
^
ffff8881069c8080: fb fb fb fb fb fb fc fc fc fc 00 00 00 00 00 00
ffff8881069c8100: 00 00 00 fc fc fc fc 00 00 00 00 00 00 00 00 00
==================================================================
ACPI Warning: Obj ffff8881069c8068, Reference Count was zero before increment
(20200925/utdelete-397)
ACPI Warning: Obj ffff8881069c8618, Reference Count was zero before increment
(20200925/utdelete-397)
ACPI Warning: Obj ffff8881069cdb60, Reference Count was zero before increment
(20200925/utdelete-397)
ACPI Warning: Obj ffff8881069cd410, Reference Count was zero before increment
(20200925/utdelete-397)
ACPI Warning: Obj ffff8881069cd6e8, Reference Count was zero before increment
(20200925/utdelete-397)
ACPI Warning: Obj ffff8881069cdd00, Reference Count was zero before increment
(20200925/utdelete-397)
ACPI Warning: Obj ffff8881069cdc98, Reference Count was zero before increment
(20200925/utdelete-397)
ACPI Warning: Obj ffff8881069cd3a8, Reference Count was zero before increment
(20200925/utdelete-397)
ACPI Warning: Obj ffff8881069cfea0, Reference Count was zero before increment
(20200925/utdelete-397)
ACPI Warning: Obj ffff8881069cf0d0, Reference Count was zero before increment
(20200925/utdelete-397)
ACPI Warning: Obj ffff8881069cf5b0, Reference Count was zero before increment
(20200925/utdelete-397)
ACPI Warning: Obj ffff8881069cf548, Reference Count was zero before increment
(20200925/utdelete-397)
ACPI Warning: Obj ffff8881069cf340, Reference Count was zero before increment
(20200925/utdelete-397)
ACPI Warning: Obj ffff8881069cf680, Reference Count was zero before increment
(20200925/utdelete-397)
ACPI Warning: Obj ffff8881069cff70, Reference Count was zero before increment
(20200925/utdelete-397)
ACPI Warning: Obj ffff8881069d1dd0, Reference Count was zero before increment
(20200925/utdelete-397)
ACPI Warning: Obj ffff8881069d1820, Reference Count was zero before increment
(20200925/utdelete-397)
ACPI Warning: Obj ffff8881069d19c0, Reference Count was zero before increment
(20200925/utdelete-397)
ACPI Warning: Obj ffff8881069d11a0, Reference Count was zero before increment
(20200925/utdelete-397)
ACPI Warning: Obj ffff8881069d1ea0, Reference Count was zero before increment
(20200925/utdelete-397)
ACPI Warning: Obj ffff8881069d10d0, Reference Count was zero before increment
(20200925/utdelete-397)
ACPI Warning: Obj ffff8881069d46e8, Reference Count was zero before increment
(20200925/utdelete-397)
ACPI Warning: Obj ffff8881069d4d00, Reference Count was zero before increment
(20200925/utdelete-397)
ACPI Warning: Obj ffff8881069d4c98, Reference Count was zero before increment
(20200925/utdelete-397)
ACPI Warning: Obj ffff8881069d43a8, Reference Count was zero before increment
(20200925/utdelete-397)
ACPI Warning: Obj ffff8881069d44e0, Reference Count was zero before increment
(20200925/utdelete-397)
ACPI Warning: Obj ffff8881069d4af8, Reference Count was zero before increment
(20200925/utdelete-397)
ACPI Warning: Obj ffff8881069d4000, Reference Count was zero before increment
(20200925/utdelete-397)
ACPI Warning: Obj ffff8881069d5af8, Reference Count was zero before increment
(20200925/utdelete-397)
ACPI Warning: Obj ffff8881069d5000, Reference Count was zero before increment
(20200925/utdelete-397)
ACPI Warning: Obj ffff8881069d5a28, Reference Count was zero before increment
(20200925/utdelete-397)
ACPI Warning: Obj ffff8881069d5958, Reference Count was zero before increment
(20200925/utdelete-397)
ACPI Warning: Obj ffff8881069d5888, Reference Count was zero before increment
(20200925/utdelete-397)
ACPI Warning: Obj ffff8881069d5a90, Reference Count was zero before increment
(20200925/utdelete-397)
ACPI Warning: Obj ffff8881069d8410, Reference Count was zero before increment
(20200925/utdelete-397)
ACPI Warning: Obj ffff8881069d86e8, Reference Count was zero before increment
(20200925/utdelete-397)
ACPI Warning: Obj ffff8881069d8d00, Reference Count was zero before increment
(20200925/utdelete-397)
ACPI Warning: Obj ffff8881069d8c98, Reference Count was zero before increment
(20200925/utdelete-397)
ACPI Warning: Obj ffff8881069d83a8, Reference Count was zero before increment
(20200925/utdelete-397)
ACPI Warning: Obj ffff8881069d84e0, Reference Count was zero before increment
(20200925/utdelete-397)
ACPI Warning: Obj ffff8881069d8af8, Reference Count was zero before increment
(20200925/utdelete-397)
ACPI Warning: Obj ffff8881069dbb60, Reference Count was zero before increment
(20200925/utdelete-397)
ACPI Warning: Obj ffff8881069db410, Reference Count was zero before increment
(20200925/utdelete-397)
ACPI Warning: Obj ffff8881069db6e8, Reference Count was zero before increment
(20200925/utdelete-397)
ACPI Warning: Obj ffff8881069dbd00, Reference Count was zero before increment
(20200925/utdelete-397)
ACPI Warning: Obj ffff8881069dbc98, Reference Count was zero before increment
(20200925/utdelete-397)
ACPI Warning: Obj ffff8881069db3a8, Reference Count was zero before increment
(20200925/utdelete-397)
ACPI Warning: Obj ffff8881069dd000, Reference Count was zero before increment
(20200925/utdelete-397)
ACPI Warning: Obj ffff8881069dda28, Reference Count was zero before increment
(20200925/utdelete-397)
ACPI Warning: Obj ffff8881069dd958, Reference Count was zero before increment
(20200925/utdelete-397)
ACPI Warning: Obj ffff8881069dd888, Reference Count was zero before increment
(20200925/utdelete-397)
ACPI Warning: Obj ffff8881069dda90, Reference Count was zero before increment
(20200925/utdelete-397)
ACPI Warning: Obj ffff8881069ddb60, Reference Count was zero before increment
(20200925/utdelete-397)
ACPI Warning: Obj ffff8881069dd410, Reference Count was zero before increment
(20200925/utdelete-397)
ACPI Warning: Obj ffff8881069e09c0, Reference Count was zero before increment
(20200925/utdelete-397)
ACPI Warning: Obj ffff8881069e01a0, Reference Count was zero before increment
(20200925/utdelete-397)
ACPI Warning: Obj ffff8881069e0ea0, Reference Count was zero before increment
(20200925/utdelete-397)
ACPI Warning: Obj ffff8881069e00d0, Reference Count was zero before increment
(20200925/utdelete-397)
ACPI Warning: Obj ffff8881069e05b0, Reference Count was zero before increment
(20200925/utdelete-397)
ACPI Warning: Obj ffff8881069e0548, Reference Count was zero before increment
(20200925/utdelete-397)
ACPI Warning: Obj ffff8881069e2270, Reference Count was zero before increment
(20200925/utdelete-397)
ACPI Error: (PRT[0]) Need package of length 4, found length 128 (20200925/rscreate-248)
ACPI Error: ffff8881069c8068 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396)
ACPI Error: ffff8881069c8618 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396)
ACPI Error: ffff8881069cdb60 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396)
ACPI Error: ffff8881069cd410 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396)
ACPI Error: ffff8881069cd6e8 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396)
ACPI Error: ffff8881069cdd00 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396)
ACPI Error: ffff8881069cdc98 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396)
ACPI Error: ffff8881069cd3a8 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396)
ACPI Error: ffff8881069cfea0 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396)
ACPI Error: ffff8881069cf0d0 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396)
ACPI Error: ffff8881069cf5b0 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396)
ACPI Error: ffff8881069cf548 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396)
ACPI Error: ffff8881069cf340 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396)
ACPI Error: ffff8881069cf680 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396)
ACPI Error: ffff8881069cff70 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396)
ACPI Error: ffff8881069d1dd0 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396)
ACPI Error: ffff8881069d1820 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396)
ACPI Error: ffff8881069d19c0 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396)
ACPI Error: ffff8881069d11a0 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396)
ACPI Error: ffff8881069d1ea0 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396)
ACPI Error: ffff8881069d10d0 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396)
ACPI Error: ffff8881069d46e8 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396)
ACPI Error: ffff8881069d4d00 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396)
ACPI Error: ffff8881069d4c98 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396)
ACPI Error: ffff8881069d43a8 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396)
ACPI Error: ffff8881069d44e0 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396)
ACPI Error: ffff8881069d4af8 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396)
ACPI Error: ffff8881069d4000 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396)
ACPI Error: ffff8881069d5af8 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396)
ACPI Error: ffff8881069d5000 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396)
ACPI Error: ffff8881069d5a28 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396)
ACPI Error: ffff8881069d5958 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396)
ACPI Error: ffff8881069d5888 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396)
ACPI Error: ffff8881069d5a90 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396)
ACPI Error: ffff8881069d8410 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396)
ACPI Error: ffff8881069d86e8 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396)
ACPI Error: ffff8881069d8d00 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396)
ACPI Error: ffff8881069d8c98 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396)
ACPI Error: ffff8881069d83a8 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396)
ACPI Error: ffff8881069d84e0 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396)
ACPI Error: ffff8881069d8af8 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396)
ACPI Error: ffff8881069dbb60 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396)
ACPI Error: ffff8881069db410 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396)
ACPI Error: ffff8881069db6e8 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396)
ACPI Error: ffff8881069dbd00 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396)
ACPI Error: ffff8881069dbc98 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396)
ACPI Error: ffff8881069db3a8 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396)
ACPI Error: ffff8881069dd000 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396)
ACPI Error: ffff8881069dda28 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396)
ACPI Error: ffff8881069dd958 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396)
ACPI Error: ffff8881069dd888 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396)
ACPI Error: ffff8881069dda90 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396)
ACPI Error: ffff8881069ddb60 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396)
ACPI Error: ffff8881069dd410 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396)
ACPI Error: ffff8881069e09c0 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396)
ACPI Error: ffff8881069e01a0 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396)
ACPI Error: ffff8881069e0ea0 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396)
ACPI Error: ffff8881069e00d0 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396)
ACPI Error: ffff8881069e05b0 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396)
ACPI Error: ffff8881069e0548 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396)
ACPI Error: ffff8881069e2270 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396)
virtio-pci 0000:00:04.0: can't derive routing for PCI INT A
virtio-pci 0000:00:04.0: PCI INT A: no GSI
virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver