FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 1, space 0, times 954
CPU: 0 UID: 0 PID: 184 Comm: kworker/u4:6 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: events_unbound nsim_dev_trap_report_work
Call Trace:
dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
fail_dump lib/fault-inject.c:73 [inline]
should_fail_ex+0x40c/0x560 lib/fault-inject.c:174
should_failslab+0xa8/0x100 mm/failslab.c:46
slab_pre_alloc_hook mm/slub.c:4539 [inline]
slab_alloc_node mm/slub.c:4897 [inline]
kmem_cache_alloc_node_noprof+0xb3/0x610 mm/slub.c:4989
__alloc_skb+0x1d7/0x7a0 net/core/skbuff.c:704
alloc_skb include/linux/skbuff.h:1384 [inline]
nsim_dev_trap_skb_build drivers/net/netdevsim/dev.c:819 [inline]
nsim_dev_trap_report drivers/net/netdevsim/dev.c:876 [inline]
nsim_dev_trap_report_work+0x25f/0xb40 drivers/net/netdevsim/dev.c:922
process_one_work kernel/workqueue.c:3322 [inline]
process_scheduled_works+0xa8e/0x14e0 kernel/workqueue.c:3405
worker_thread+0xa47/0xfb0 kernel/workqueue.c:3486
kthread+0x388/0x470 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
==================================================================
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 ffff88801f1c3a30 by task kworker/u4:6/184
CPU: 0 UID: 0 PID: 184 Comm: kworker/u4:6 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:
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:1998
pci_enable_device_flags+0x5ab/0x700 drivers/pci/pci.c:2089
usb_hcd_pci_probe+0x60/0x1480 drivers/usb/core/hcd-pci.c:184
local_pci_probe drivers/pci/pci-driver.c:332 [inline]
pci_call_probe drivers/pci/pci-driver.c:394 [inline]
__pci_device_probe drivers/pci/pci-driver.c:455 [inline]
pci_device_probe+0x431/0xc90 drivers/pci/pci-driver.c:489
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:3322 [inline]
process_scheduled_works+0xa8e/0x14e0 kernel/workqueue.c:3405
worker_thread+0xa47/0xfb0 kernel/workqueue.c:3486
kthread+0x388/0x470 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
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:340 [inline]
__kasan_slab_alloc+0x6c/0x80 mm/kasan/common.c:366
kasan_slab_alloc include/linux/kasan.h:253 [inline]
slab_post_alloc_hook mm/slub.c:4584 [inline]
slab_alloc_node mm/slub.c:4917 [inline]
kmem_cache_alloc_noprof+0x2a0/0x5f0 mm/slub.c:4931
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:1479
acpi_init+0xa1/0x1f0 drivers/acpi/bus.c:1592
do_one_initcall+0x250/0x870 init/main.c:1347
do_initcall_level+0x10a/0x1a0 init/main.c:1409
do_initcalls+0x59/0xa0 init/main.c:1425
kernel_init_freeable+0x29d/0x3e0 init/main.c:1658
kernel_init+0x1d/0x1d0 init/main.c:1548
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 5318:
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:253 [inline]
__kasan_slab_free+0x5c/0x80 mm/kasan/common.c:285
kasan_slab_free include/linux/kasan.h:235 [inline]
slab_free_hook mm/slub.c:2677 [inline]
slab_free mm/slub.c:6377 [inline]
kmem_cache_free+0x182/0x650 mm/slub.c:6504
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
do_pci_disable_device drivers/pci/pci.c:2170 [inline]
pci_disable_device+0x1d6/0x320 drivers/pci/pci.c:2206
pci_device_remove+0x99/0x1c0 drivers/pci/pci-driver.c:512
device_remove drivers/base/dd.c:616 [inline]
__device_release_driver drivers/base/dd.c:1349 [inline]
device_release_driver_internal+0x48b/0x880 drivers/base/dd.c:1372
pci_stop_dev drivers/pci/remove.c:27 [inline]
pci_stop_bus_device+0xf6/0x120 drivers/pci/remove.c:93
pci_stop_and_remove_bus_device drivers/pci/remove.c:128 [inline]
pci_stop_and_remove_bus_device_locked+0x77/0xb0 drivers/pci/remove.c:136
remove_store+0xe5/0x150 drivers/pci/pci-sysfs.c:523
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:63 [inline]
do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
The buggy address belongs to the object at ffff88801f1c3a28
which belongs to the cache Acpi-Operand of size 72
The buggy address is located 8 bytes inside of
freed 72-byte region [ffff88801f1c3a28, ffff88801f1c3a70)
The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff88801f1c35b0 pfn:0x1f1c3
flags: 0xfff00000000200(workingset|node=0|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 00fff00000000200 ffff88801b0a0dc0 ffffea00007d9b90 ffffea00007c7950
raw: ffff88801f1c35b0 000000080027001e 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 2958326525, free_ts 0
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x1f9/0x250 mm/page_alloc.c:1859
prep_new_page mm/page_alloc.c:1867 [inline]
get_page_from_freelist+0x21fa/0x2270 mm/page_alloc.c:3946
__alloc_frozen_pages_noprof+0x18d/0x380 mm/page_alloc.c:5304
alloc_slab_page mm/slub.c:3266 [inline]
allocate_slab+0x79/0x5e0 mm/slub.c:3380
new_slab mm/slub.c:3426 [inline]
refill_objects+0x2d5/0x350 mm/slub.c:7310
refill_sheaf mm/slub.c:2804 [inline]
__pcs_replace_empty_main+0x2bf/0x6b0 mm/slub.c:4675
alloc_from_pcs mm/slub.c:4773 [inline]
slab_alloc_node mm/slub.c:4905 [inline]
kmem_cache_alloc_noprof+0x382/0x5f0 mm/slub.c:4931
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:
ffff88801f1c3900: 00 00 00 00 00 00 00 fc fc fc fc fa fb fb fb fb
ffff88801f1c3980: fb fb fb fb fc fc fc fc 00 00 00 00 00 00 00 00
>ffff88801f1c3a00: 00 fc fc fc fc fa fb fb fb fb fb fb fb fb fc fc
^
ffff88801f1c3a80: fc fc fa fb fb fb fb fb fb fb fb fc fc fc fc fa
ffff88801f1c3b00: fb fb fb fb fb fb fb fb fc fc fc fc fa fb fb fb
==================================================================