==================================================================
BUG: KASAN: use-after-free in instrument_atomic_read_write include/linux/instrumented.h:101 [inline]
BUG: KASAN: use-after-free in atomic64_try_cmpxchg_acquire include/asm-generic/atomic-instrumented.h:1515 [inline]
BUG: KASAN: use-after-free in atomic_long_try_cmpxchg_acquire include/asm-generic/atomic-long.h:443 [inline]
BUG: KASAN: use-after-free in __mutex_trylock_fast kernel/locking/mutex.c:173 [inline]
BUG: KASAN: use-after-free in mutex_lock+0x98/0x110 kernel/locking/mutex.c:298
Write of size 8 at addr ffff8881009a3040 by task acpid/80

CPU: 1 PID: 80 Comm: acpid Not tainted 5.10.234-syzkaller-1006652-g3f5f2283d684 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack_lvl+0x1e2/0x24b lib/dump_stack.c:118
 print_address_description+0x81/0x3b0 mm/kasan/report.c:248
 __kasan_report mm/kasan/report.c:435 [inline]
 kasan_report+0x179/0x1c0 mm/kasan/report.c:452
 kasan_check_range+0x293/0x2a0 mm/kasan/generic.c:189
 __kasan_check_write+0x14/0x20 mm/kasan/shadow.c:37
 instrument_atomic_read_write include/linux/instrumented.h:101 [inline]
 atomic64_try_cmpxchg_acquire include/asm-generic/atomic-instrumented.h:1515 [inline]
 atomic_long_try_cmpxchg_acquire include/asm-generic/atomic-long.h:443 [inline]
 __mutex_trylock_fast kernel/locking/mutex.c:173 [inline]
 mutex_lock+0x98/0x110 kernel/locking/mutex.c:298
 steam_input_open+0x91/0x1a0 drivers/hid/hid-steam.c:297
 input_open_device+0x151/0x2a0 drivers/input/input.c:635
 evdev_open_device drivers/input/evdev.c:400 [inline]
 evdev_open+0x3a5/0x5c0 drivers/input/evdev.c:487
 chrdev_open+0x4f7/0x620 fs/char_dev.c:414
 do_dentry_open+0x7c1/0x10d0 fs/open.c:819
 vfs_open+0x73/0x80 fs/open.c:942
 do_open fs/namei.c:3391 [inline]
 path_openat+0x2660/0x3000 fs/namei.c:3509
 do_filp_open+0x21c/0x460 fs/namei.c:3536
 do_sys_openat2+0x13f/0x710 fs/open.c:1217
 do_sys_open fs/open.c:1233 [inline]
 __do_sys_openat fs/open.c:1249 [inline]
 __se_sys_openat fs/open.c:1244 [inline]
 __x64_sys_openat+0x243/0x290 fs/open.c:1244
 do_syscall_64+0x34/0x70
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7fcf0a87d9a4
Code: 24 20 48 8d 44 24 30 48 89 44 24 28 64 8b 04 25 18 00 00 00 85 c0 75 2c 44 89 e2 48 89 ee bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 76 60 48 8b 15 55 a4 0d 00 f7 d8 64 89 02 48 83
RSP: 002b:00007ffe88353e30 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007ffe88354118 RCX: 00007fcf0a87d9a4
RDX: 0000000000080800 RSI: 00007ffe88354018 RDI: 00000000ffffff9c
RBP: 00007ffe88354018 R08: 00000000000000f4 R09: 00007ffe88354018
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000080800
R13: 0000000000000020 R14: 00007ffe88354118 R15: 00007ffe88354018

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_kmalloc+0xdb/0x110 mm/kasan/common.c:509
 __kasan_kmalloc+0x9/0x10 mm/kasan/common.c:518
 kasan_kmalloc include/linux/kasan.h:254 [inline]
 kmem_cache_alloc_trace+0x18a/0x2e0 mm/slub.c:2974
 kmalloc include/linux/slab.h:552 [inline]
 kzalloc include/linux/slab.h:664 [inline]
 find_valid_gpt block/partitions/efi.c:599 [inline]
 efi_partition+0x420/0x2ed0 block/partitions/efi.c:710
 check_partition block/partitions/core.c:140 [inline]
 blk_add_partitions+0x42d/0x1140 block/partitions/core.c:717
 bdev_disk_changed+0x3e8/0x4f0 fs/block_dev.c:1436
 __blkdev_get+0xa28/0x12f0 fs/block_dev.c:1535
 blkdev_get fs/block_dev.c:1653 [inline]
 blkdev_get_by_dev+0x1b4/0x5c0 fs/block_dev.c:1734
 disk_scan_partitions block/genhd.c:690 [inline]
 register_disk block/genhd.c:738 [inline]
 __device_add_disk+0xba9/0x11a0 block/genhd.c:826
 device_add_disk+0x2a/0x40 block/genhd.c:844
 add_disk include/linux/genhd.h:310 [inline]
 brd_init+0x28a/0x474 drivers/block/brd.c:531
 do_one_initcall+0x189/0x620 init/main.c:1197
 do_initcall_level+0x186/0x304 init/main.c:1270
 do_initcalls+0x4e/0x8e init/main.c:1286
 do_basic_setup+0x88/0x91 init/main.c:1306
 kernel_init_freeable+0x2be/0x3f5 init/main.c:1510
 kernel_init+0x11/0x280 init/main.c:1397
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298

Freed by task 526:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:45
 kasan_set_free_info+0x23/0x40 mm/kasan/generic.c:370
 ____kasan_slab_free+0x121/0x160 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:1595 [inline]
 slab_free_freelist_hook+0xc0/0x190 mm/slub.c:1621
 slab_free mm/slub.c:3203 [inline]
 kfree+0xc3/0x270 mm/slub.c:4191
 release_nodes+0x873/0x8f0 drivers/base/devres.c:524
 devres_release_all+0x7b/0xa0 drivers/base/devres.c:545
 __device_release_driver drivers/base/dd.c:1190 [inline]
 device_release_driver_internal+0x515/0x7c0 drivers/base/dd.c:1221
 device_release_driver+0x19/0x20 drivers/base/dd.c:1244
 bus_remove_device+0x2f8/0x360 drivers/base/bus.c:535
 device_del+0x68b/0xf00 drivers/base/core.c:3452
 hid_remove_device drivers/hid/hid-core.c:2501 [inline]
 hid_destroy_device+0x68/0x110 drivers/hid/hid-core.c:2520
 usbhid_disconnect+0x9e/0xc0 drivers/hid/usbhid/hid-core.c:1445
 usb_unbind_interface+0x1fa/0x8c0 drivers/usb/core/driver.c:459
 device_release_driver_internal+0x506/0x7c0 drivers/base/dd.c:1221
 device_release_driver+0x19/0x20 drivers/base/dd.c:1244
 bus_remove_device+0x2f8/0x360 drivers/base/bus.c:535
 device_del+0x68b/0xf00 drivers/base/core.c:3452
 usb_disable_device+0x380/0x720 drivers/usb/core/message.c:1411
 usb_disconnect+0x32a/0x890 drivers/usb/core/hub.c:2271
 hub_port_connect drivers/usb/core/hub.c:5298 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5599 [inline]
 port_event drivers/usb/core/hub.c:5749 [inline]
 hub_event+0x1e73/0x47c0 drivers/usb/core/hub.c:5831
 process_one_work+0x6dc/0xbd0 kernel/workqueue.c:2301
 worker_thread+0xaea/0x1510 kernel/workqueue.c:2447
 kthread+0x34b/0x3d0 kernel/kthread.c:313
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298

The buggy address belongs to the object at ffff8881009a3000
 which belongs to the cache kmalloc-512 of size 512
The buggy address is located 64 bytes inside of
 512-byte region [ffff8881009a3000, ffff8881009a3200)
The buggy address belongs to the page:
page:ffffea0004026800 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1009a0
head:ffffea0004026800 order:2 compound_mapcount:0 compound_pincount:0
flags: 0x4000000000010200(slab|head)
raw: 4000000000010200 ffffea0004256400 0000000400000004 ffff888100043080
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 1, ts 2090693521, 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+0x166/0x180 mm/page_alloc.c:2462
 get_page_from_freelist+0x2d8c/0x2f30 mm/page_alloc.c:4254
 __alloc_pages_nodemask+0x435/0xaf0 mm/page_alloc.c:5348
 allocate_slab mm/slub.c:1808 [inline]
 new_slab+0x80/0x400 mm/slub.c:1869
 new_slab_objects mm/slub.c:2627 [inline]
 ___slab_alloc+0x302/0x4b0 mm/slub.c:2791
 __slab_alloc+0x63/0xa0 mm/slub.c:2831
 slab_alloc_node mm/slub.c:2913 [inline]
 slab_alloc mm/slub.c:2955 [inline]
 kmem_cache_alloc_trace+0x1bd/0x2e0 mm/slub.c:2972
 kmem_cache_alloc_node_trace include/linux/slab.h:440 [inline]
 kmalloc_node include/linux/slab.h:570 [inline]
 kzalloc_node include/linux/slab.h:675 [inline]
 blkg_alloc+0x6f/0x550 block/blk-cgroup.c:158
 blkcg_init_queue+0x2d/0x320 block/blk-cgroup.c:1166
 blk_alloc_queue+0x49f/0x640 block/blk-core.c:575
 brd_alloc+0x100/0x400 drivers/block/brd.c:383
 brd_init+0x125/0x474 drivers/block/brd.c:517
 do_one_initcall+0x189/0x620 init/main.c:1197
 do_initcall_level+0x186/0x304 init/main.c:1270
 do_initcalls+0x4e/0x8e init/main.c:1286
 do_basic_setup+0x88/0x91 init/main.c:1306
page_owner free stack trace missing

Memory state around the buggy address:
 ffff8881009a2f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff8881009a2f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff8881009a3000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                           ^
 ffff8881009a3080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff8881009a3100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
hid 0003:28DE:1102.0007: No HID_FEATURE_REPORT submitted -  nothing to read
hid 0003:28DE:1102.0007: No HID_FEATURE_REPORT submitted -  nothing to read
hid 0003:28DE:1102.0007: No HID_FEATURE_REPORT submitted -  nothing to read
hid 0003:28DE:1102.0007: No HID_FEATURE_REPORT submitted -  nothing to read
hid 0003:28DE:1102.0007: No HID_FEATURE_REPORT submitted -  nothing to read
hid 0003:28DE:1102.0007: No HID_FEATURE_REPORT submitted -  nothing to read
hid 0003:28DE:1102.0007: No HID_FEATURE_REPORT submitted -  nothing to read