==================================================================
BUG: KASAN: use-after-free in __mutex_lock_common+0x10f/0x2400 kernel/locking/mutex.c:575
Read of size 8 at addr ffff8880209930e8 by task acpid/3546

CPU: 1 PID: 3546 Comm: acpid Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
Call Trace:
 <TASK>
 dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106
 print_address_description+0x60/0x2d0 mm/kasan/report.c:248
 __kasan_report mm/kasan/report.c:434 [inline]
 kasan_report+0xdf/0x130 mm/kasan/report.c:451
 __mutex_lock_common+0x10f/0x2400 kernel/locking/mutex.c:575
 __mutex_lock kernel/locking/mutex.c:729 [inline]
 mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:743
 steam_input_open+0x93/0x170 drivers/hid/hid-steam.c:297
 input_open_device+0x16c/0x2e0 drivers/input/input.c:640
 joydev_open_device drivers/input/joydev.c:207 [inline]
 joydev_open+0x417/0x8d0 drivers/input/joydev.c:272
 chrdev_open+0x5c5/0x6a0 fs/char_dev.c:414
 do_dentry_open+0x7ff/0xf80 fs/open.c:826
 do_open fs/namei.c:3616 [inline]
 path_openat+0x26f5/0x2fa0 fs/namei.c:3750
 do_filp_open+0x1e2/0x410 fs/namei.c:3777
 do_sys_openat2+0x150/0x4b0 fs/open.c:1255
 do_sys_open fs/open.c:1271 [inline]
 __do_sys_openat fs/open.c:1287 [inline]
 __se_sys_openat fs/open.c:1282 [inline]
 __x64_sys_openat+0x135/0x160 fs/open.c:1282
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f7ab4602407
Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff
RSP: 002b:00007ffc7a111e40 EFLAGS: 00000202 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f7ab4578740 RCX: 00007f7ab4602407
RDX: 0000000000080800 RSI: 00007ffc7a112050 RDI: ffffffffffffff9c
RBP: 00007ffc7a112050 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000020
R13: 00007ffc7a112150 R14: 000055bef7dfc7fe R15: 00007ffc7a112150
 </TASK>

Allocated by task 4295:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track mm/kasan/common.c:46 [inline]
 set_alloc_info mm/kasan/common.c:434 [inline]
 ____kasan_kmalloc mm/kasan/common.c:513 [inline]
 __kasan_kmalloc+0xb5/0xf0 mm/kasan/common.c:522
 alloc_dr drivers/base/devres.c:116 [inline]
 devm_kmalloc+0x77/0x280 drivers/base/devres.c:831
 devm_kzalloc include/linux/device.h:209 [inline]
 steam_probe+0x11e/0xb80 drivers/hid/hid-steam.c:741
 hid_device_probe+0x271/0x360 drivers/hid/hid-core.c:2323
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x284/0xc80 drivers/base/dd.c:595
 __driver_probe_device+0x18c/0x330 drivers/base/dd.c:755
 driver_probe_device+0x4f/0x420 drivers/base/dd.c:785
 __device_attach_driver+0x2b0/0x500 drivers/base/dd.c:907
 bus_for_each_drv+0x184/0x210 drivers/base/bus.c:429
 __device_attach+0x2a8/0x480 drivers/base/dd.c:979
 bus_probe_device+0xbc/0x1e0 drivers/base/bus.c:489
 device_add+0xa00/0xfb0 drivers/base/core.c:3412
 hid_add_device+0x389/0x530 drivers/hid/hid-core.c:2475
 usbhid_probe+0xb92/0xf40 drivers/hid/usbhid/hid-core.c:1442
 usb_probe_interface+0x5c5/0xb20 drivers/usb/core/driver.c:396
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x284/0xc80 drivers/base/dd.c:595
 __driver_probe_device+0x18c/0x330 drivers/base/dd.c:755
 driver_probe_device+0x4f/0x420 drivers/base/dd.c:785
 __device_attach_driver+0x2b0/0x500 drivers/base/dd.c:907
 bus_for_each_drv+0x184/0x210 drivers/base/bus.c:429
 __device_attach+0x2a8/0x480 drivers/base/dd.c:979
 bus_probe_device+0xbc/0x1e0 drivers/base/bus.c:489
 device_add+0xa00/0xfb0 drivers/base/core.c:3412
 usb_set_configuration+0x1991/0x1fd0 drivers/usb/core/message.c:2223
 usb_generic_driver_probe+0x89/0x150 drivers/usb/core/generic.c:238
 usb_probe_device+0x139/0x270 drivers/usb/core/driver.c:293
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x284/0xc80 drivers/base/dd.c:595
 __driver_probe_device+0x18c/0x330 drivers/base/dd.c:755
 driver_probe_device+0x4f/0x420 drivers/base/dd.c:785
 __device_attach_driver+0x2b0/0x500 drivers/base/dd.c:907
 bus_for_each_drv+0x184/0x210 drivers/base/bus.c:429
 __device_attach+0x2a8/0x480 drivers/base/dd.c:979
 bus_probe_device+0xbc/0x1e0 drivers/base/bus.c:489
 device_add+0xa00/0xfb0 drivers/base/core.c:3412
 usb_new_device+0xd65/0x1660 drivers/usb/core/hub.c:2632
 hub_port_connect drivers/usb/core/hub.c:5497 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5637 [inline]
 port_event drivers/usb/core/hub.c:5799 [inline]
 hub_event+0x2e4a/0x55e0 drivers/usb/core/hub.c:5881
 process_one_work+0x85f/0x1010 kernel/workqueue.c:2310
 worker_thread+0xaa6/0x1290 kernel/workqueue.c:2457
 kthread+0x436/0x520 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287

Freed by task 4295:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:46
 kasan_set_free_info+0x1f/0x40 mm/kasan/generic.c:360
 ____kasan_slab_free+0xd5/0x110 mm/kasan/common.c:366
 kasan_slab_free include/linux/kasan.h:230 [inline]
 slab_free_hook mm/slub.c:1710 [inline]
 slab_free_freelist_hook+0xea/0x170 mm/slub.c:1736
 slab_free mm/slub.c:3504 [inline]
 kfree+0xef/0x2a0 mm/slub.c:4564
 release_nodes drivers/base/devres.c:501 [inline]
 devres_release_all+0x1a9/0x230 drivers/base/devres.c:530
 __device_release_driver drivers/base/dd.c:1231 [inline]
 device_release_driver_internal+0x4c3/0x750 drivers/base/dd.c:1262
 bus_remove_device+0x2e2/0x400 drivers/base/bus.c:531
 device_del+0x6af/0xaf0 drivers/base/core.c:3600
 hid_remove_device drivers/hid/hid-core.c:2524 [inline]
 hid_destroy_device+0x66/0x100 drivers/hid/hid-core.c:2543
 usbhid_disconnect+0x9b/0xc0 drivers/hid/usbhid/hid-core.c:1469
 usb_unbind_interface+0x1ee/0x860 drivers/usb/core/driver.c:458
 __device_release_driver drivers/base/dd.c:1229 [inline]
 device_release_driver_internal+0x4b4/0x750 drivers/base/dd.c:1262
 bus_remove_device+0x2e2/0x400 drivers/base/bus.c:531
 device_del+0x6af/0xaf0 drivers/base/core.c:3600
 usb_disable_device+0x3e2/0x890 drivers/usb/core/message.c:1472
 usb_disconnect+0x348/0x8a0 drivers/usb/core/hub.c:2287
 hub_port_connect drivers/usb/core/hub.c:5341 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5637 [inline]
 port_event drivers/usb/core/hub.c:5799 [inline]
 hub_event+0x1ecb/0x55e0 drivers/usb/core/hub.c:5881
 process_one_work+0x85f/0x1010 kernel/workqueue.c:2310
 process_scheduled_works kernel/workqueue.c:2373 [inline]
 worker_thread+0xd60/0x1290 kernel/workqueue.c:2459
 kthread+0x436/0x520 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287

The buggy address belongs to the object at ffff888020993000
 which belongs to the cache kmalloc-512 of size 512
The buggy address is located 232 bytes inside of
 512-byte region [ffff888020993000, ffff888020993200)
The buggy address belongs to the page:
page:ffffea0000826400 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x20990
head:ffffea0000826400 order:2 compound_mapcount:0 compound_pincount:0
flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000010200 dead000000000100 dead000000000122 ffff888016c41c80
raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 2, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 144, ts 7190936169, free_ts 0
 prep_new_page mm/page_alloc.c:2426 [inline]
 get_page_from_freelist+0x1bbd/0x1ca0 mm/page_alloc.c:4192
 __alloc_pages+0x1ee/0x480 mm/page_alloc.c:5501
 alloc_slab_page mm/slub.c:1780 [inline]
 allocate_slab mm/slub.c:1917 [inline]
 new_slab+0xc0/0x4b0 mm/slub.c:1980
 ___slab_alloc+0x80a/0xdd0 mm/slub.c:3013
 __slab_alloc mm/slub.c:3100 [inline]
 slab_alloc_node mm/slub.c:3191 [inline]
 kmem_cache_alloc_node_trace+0x1dd/0x300 mm/slub.c:3275
 kmalloc_node include/linux/slab.h:625 [inline]
 kzalloc_node include/linux/slab.h:749 [inline]
 blkg_alloc+0xad/0x660 block/blk-cgroup.c:158
 blkcg_init_queue+0x26/0x430 block/blk-cgroup.c:1202
 blk_alloc_queue+0x439/0x5a0 block/blk-core.c:582
 blk_mq_init_queue_data block/blk-mq.c:3164 [inline]
 blk_mq_init_queue+0x33/0xd0 block/blk-mq.c:3178
 scsi_alloc_sdev+0x6ef/0xb40 drivers/scsi/scsi_scan.c:319
 scsi_probe_and_add_lun+0x1a7/0x3e90 drivers/scsi/scsi_scan.c:1158
 __scsi_scan_target+0x1d4/0x1050 drivers/scsi/scsi_scan.c:1639
 scsi_scan_channel drivers/scsi/scsi_scan.c:1727 [inline]
 scsi_scan_host_selected+0x36e/0x690 drivers/scsi/scsi_scan.c:1756
 do_scsi_scan_host drivers/scsi/scsi_scan.c:1895 [inline]
 do_scan_async+0x11a/0x700 drivers/scsi/scsi_scan.c:1905
 async_run_entry_fn+0x9f/0x3e0 kernel/async.c:127
 process_one_work+0x85f/0x1010 kernel/workqueue.c:2310
page_owner free stack trace missing

Memory state around the buggy address:
 ffff888020992f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff888020993000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff888020993080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                                          ^
 ffff888020993100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888020993180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================