==================================================================
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+0x7f/0xe0 kernel/locking/mutex.c:298
Write of size 8 at addr ffff88811c2e0040 by task udevd/545

CPU: 0 PID: 545 Comm: udevd Not tainted 5.10.237-syzkaller-1007464-g7e2543346ff7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Call Trace:
 __dump_stack+0x21/0x24 lib/dump_stack.c:77
 dump_stack_lvl+0x169/0x1d8 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+0xe2/0x130 mm/kasan/report.c:452
 check_region_inline mm/kasan/generic.c:-1 [inline]
 kasan_check_range+0x280/0x290 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+0x7f/0xe0 kernel/locking/mutex.c:298
 steam_input_open+0x91/0x160 drivers/hid/hid-steam.c:297
 input_open_device+0x14c/0x2a0 drivers/input/input.c:635
 evdev_open_device drivers/input/evdev.c:400 [inline]
 evdev_open+0x4d2/0x5e0 drivers/input/evdev.c:487
 chrdev_open+0x597/0x670 fs/char_dev.c:414
 do_dentry_open+0x793/0x1090 fs/open.c:819
 vfs_open+0x73/0x80 fs/open.c:942
 do_open fs/namei.c:3391 [inline]
 path_openat+0x27ad/0x3160 fs/namei.c:3509
 do_filp_open+0x1b3/0x3e0 fs/namei.c:3536
 do_sys_openat2+0x14c/0x6d0 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+0x136/0x160 fs/open.c:1244
 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7fefb29c7407
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:00007ffea47faf90 EFLAGS: 00000202 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fefb28d9880 RCX: 00007fefb29c7407
RDX: 0000000000080000 RSI: 0000564e962074a0 RDI: ffffffffffffff9c
RBP: 0000564e9620e400 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000564e907070c8
R13: 0000564e907070ce R14: 00007ffea47fb590 R15: 0000564e9070dbcc

Allocated by task 0:
(stack is not available)

Freed by task 381:
 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:1595 [inline]
 slab_free_freelist_hook+0xc5/0x190 mm/slub.c:1621
 slab_free mm/slub.c:3203 [inline]
 kfree+0xc0/0x270 mm/slub.c:4191
 release_nodes+0x753/0x7d0 drivers/base/devres.c:524
 devres_release_all+0x7c/0xa0 drivers/base/devres.c:545
 __device_release_driver drivers/base/dd.c:1190 [inline]
 device_release_driver_internal+0x4cb/0x750 drivers/base/dd.c:1221
 device_release_driver+0x19/0x20 drivers/base/dd.c:1244
 bus_remove_device+0x2dd/0x340 drivers/base/bus.c:535
 device_del+0x696/0xed0 drivers/base/core.c:3452
 hid_remove_device drivers/hid/hid-core.c:2503 [inline]
 hid_destroy_device+0x6a/0x110 drivers/hid/hid-core.c:2522
 usbhid_disconnect+0x9f/0xc0 drivers/hid/usbhid/hid-core.c:1445
 usb_unbind_interface+0x212/0x8c0 drivers/usb/core/driver.c:459
 __device_release_driver drivers/base/dd.c:-1 [inline]
 device_release_driver_internal+0x4bc/0x750 drivers/base/dd.c:1221
 device_release_driver+0x19/0x20 drivers/base/dd.c:1244
 bus_remove_device+0x2dd/0x340 drivers/base/bus.c:535
 device_del+0x696/0xed0 drivers/base/core.c:3452
 usb_disable_device+0x3a8/0x750 drivers/usb/core/message.c:1411
 usb_disconnect+0x31e/0x850 drivers/usb/core/hub.c:2282
 hub_port_connect drivers/usb/core/hub.c:5308 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5609 [inline]
 port_event drivers/usb/core/hub.c:5759 [inline]
 hub_event+0x1912/0x4120 drivers/usb/core/hub.c:5841
 process_one_work+0x6e1/0xba0 kernel/workqueue.c:2301
 process_scheduled_works kernel/workqueue.c:2363 [inline]
 worker_thread+0xd56/0x13b0 kernel/workqueue.c:2449
 kthread+0x346/0x3d0 kernel/kthread.c:313
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298

The buggy address belongs to the object at ffff88811c2e0000
 which belongs to the cache kmalloc-512 of size 512
The buggy address is located 64 bytes inside of
 512-byte region [ffff88811c2e0000, ffff88811c2e0200)
The buggy address belongs to the page:
page:ffffea000470b800 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x11c2e0
head:ffffea000470b800 order:2 compound_mapcount:0 compound_pincount:0
flags: 0x4000000000010200(slab|head)
raw: 4000000000010200 dead000000000100 dead000000000122 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 133, ts 8200006441, 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+0x179/0x180 mm/page_alloc.c:2462
 get_page_from_freelist+0x2235/0x23d0 mm/page_alloc.c:4254
 __alloc_pages_nodemask+0x268/0x5f0 mm/page_alloc.c:5349
 alloc_slab_page mm/slub.c:-1 [inline]
 allocate_slab mm/slub.c:1808 [inline]
 new_slab+0x84/0x3f0 mm/slub.c:1869
 new_slab_objects mm/slub.c:2627 [inline]
 ___slab_alloc+0x2a6/0x450 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]
 __kmalloc_track_caller+0x1ef/0x320 mm/slub.c:4536
 __kmalloc_reserve net/core/skbuff.c:144 [inline]
 __alloc_skb+0xdc/0x520 net/core/skbuff.c:212
 alloc_skb include/linux/skbuff.h:1126 [inline]
 alloc_skb_with_frags+0xa2/0x560 net/core/skbuff.c:5993
 sock_alloc_send_pskb+0x853/0x980 net/core/sock.c:2388
 unix_dgram_sendmsg+0x5f4/0x17d0 net/unix/af_unix.c:1725
 unix_seqpacket_sendmsg+0x118/0x1e0 net/unix/af_unix.c:2108
 sock_sendmsg_nosec net/socket.c:652 [inline]
 __sock_sendmsg net/socket.c:664 [inline]
 sock_write_iter+0x29c/0x380 net/socket.c:1018
 do_iter_readv_writev+0x491/0x600 fs/read_write.c:-1
 do_iter_write+0x189/0x630 fs/read_write.c:866
 vfs_writev+0x293/0x4f0 fs/read_write.c:939
page_owner free stack trace missing

Memory state around the buggy address:
 ffff88811c2dff00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff88811c2dff80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff88811c2e0000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                           ^
 ffff88811c2e0080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88811c2e0100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
hid 0003:28DE:1102.000B: No HID_FEATURE_REPORT submitted -  nothing to read
hid 0003:28DE:1102.000B: No HID_FEATURE_REPORT submitted -  nothing to read
hid 0003:28DE:1102.000B: No HID_FEATURE_REPORT submitted -  nothing to read
hid 0003:28DE:1102.000B: No HID_FEATURE_REPORT submitted -  nothing to read
hid 0003:28DE:1102.000B: No HID_FEATURE_REPORT submitted -  nothing to read
hid 0003:28DE:1102.0013: No HID_FEATURE_REPORT submitted -  nothing to read
hid 0003:28DE:1102.0013: No HID_FEATURE_REPORT submitted -  nothing to read
hid 0003:28DE:1102.0013: No HID_FEATURE_REPORT submitted -  nothing to read
hid 0003:28DE:1102.0013: No HID_FEATURE_REPORT submitted -  nothing to read
hid 0003:28DE:1102.0013: No HID_FEATURE_REPORT submitted -  nothing to read
hid 0003:28DE:1102.0013: No HID_FEATURE_REPORT submitted -  nothing to read
hid 0003:28DE:1102.0013: No HID_FEATURE_REPORT submitted -  nothing to read