==================================================================
BUG: KASAN: use-after-free in atomic64_try_cmpxchg include/asm-generic/atomic-instrumented.h:1503 [inline]
BUG: KASAN: use-after-free in atomic_long_try_cmpxchg_acquire include/asm-generic/atomic-long.h:442 [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:295
Write of size 8 at addr ffff8881ebbed040 by task udevd/1046

CPU: 1 PID: 1046 Comm: udevd Not tainted 5.4.290-syzkaller-00017-g6b07fcd94a6a #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+0x1d8/0x241 lib/dump_stack.c:118
 print_address_description+0x8c/0x600 mm/kasan/report.c:384
 __kasan_report+0xf3/0x120 mm/kasan/report.c:516
 kasan_report+0x30/0x60 mm/kasan/common.c:653
 check_memory_region_inline mm/kasan/generic.c:141 [inline]
 check_memory_region+0x272/0x280 mm/kasan/generic.c:191
 atomic64_try_cmpxchg include/asm-generic/atomic-instrumented.h:1503 [inline]
 atomic_long_try_cmpxchg_acquire include/asm-generic/atomic-long.h:442 [inline]
 __mutex_trylock_fast kernel/locking/mutex.c:173 [inline]
 mutex_lock+0x98/0x110 kernel/locking/mutex.c:295
 steam_input_open+0x91/0x1a0 drivers/hid/hid-steam.c:297
 input_open_device+0x145/0x280 drivers/input/input.c:635
 evdev_open_device drivers/input/evdev.c:400 [inline]
 evdev_open+0x396/0x590 drivers/input/evdev.c:486
 chrdev_open+0x54a/0x630 fs/char_dev.c:414
 do_dentry_open+0x964/0x1130 fs/open.c:806
 do_last fs/namei.c:3565 [inline]
 path_openat+0x29bf/0x34b0 fs/namei.c:3683
 do_filp_open+0x20b/0x450 fs/namei.c:3713
 do_sys_open+0x39c/0x810 fs/open.c:1123
 do_syscall_64+0xca/0x1c0 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x5c/0xc1
RIP: 0033:0x7f151c8689a4
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:00007ffebfd98cd0 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f151c8689a4
RDX: 0000000000080000 RSI: 000055dbfd5fc2c0 RDI: 00000000ffffff9c
RBP: 000055dbfd5fc2c0 R08: 000055dbfd629878 R09: fffffffffffffe98
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000080000
R13: 00007ffebfd98e98 R14: 0000000000000000 R15: 000055dbdc235ed5

Allocated by task 392:
 save_stack mm/kasan/common.c:70 [inline]
 set_track mm/kasan/common.c:78 [inline]
 __kasan_kmalloc+0x171/0x210 mm/kasan/common.c:529
 slab_post_alloc_hook mm/slab.h:584 [inline]
 slab_alloc_node mm/slub.c:2829 [inline]
 slab_alloc mm/slub.c:2837 [inline]
 __kmalloc_track_caller+0x100/0x2b0 mm/slub.c:4449
 alloc_dr drivers/base/devres.c:103 [inline]
 devm_kmalloc+0x34/0x1d0 drivers/base/devres.c:816
 devm_kzalloc include/linux/device.h:953 [inline]
 steam_probe+0x11a/0xa70 drivers/hid/hid-steam.c:741
 hid_device_probe+0x2ac/0x3b0 drivers/hid/hid-core.c:2294
 really_probe+0x496/0xb80 drivers/base/dd.c:567
 driver_probe_device+0xe5/0x240 drivers/base/dd.c:752
 bus_for_each_drv+0x183/0x200 drivers/base/bus.c:432
 __device_attach+0x31c/0x490 drivers/base/dd.c:933
 bus_probe_device+0xbd/0x1e0 drivers/base/bus.c:492
 device_add+0x88d/0xbb0 drivers/base/core.c:2911
 hid_add_device+0x37f/0x4c0 drivers/hid/hid-core.c:2446
 usbhid_probe+0xafd/0xea0 drivers/hid/usbhid/hid-core.c:1418
 usb_probe_interface+0x5aa/0xa90 drivers/usb/core/driver.c:361
 really_probe+0x4dd/0xb80 drivers/base/dd.c:571
 driver_probe_device+0xe5/0x240 drivers/base/dd.c:752
 bus_for_each_drv+0x183/0x200 drivers/base/bus.c:432
 __device_attach+0x31c/0x490 drivers/base/dd.c:933
 bus_probe_device+0xbd/0x1e0 drivers/base/bus.c:492
 device_add+0x88d/0xbb0 drivers/base/core.c:2911
 usb_set_configuration+0x18ce/0x1e30 drivers/usb/core/message.c:2029
 generic_probe+0x84/0x140 drivers/usb/core/generic.c:210
 really_probe+0x4dd/0xb80 drivers/base/dd.c:571
 driver_probe_device+0xe5/0x240 drivers/base/dd.c:752
 bus_for_each_drv+0x183/0x200 drivers/base/bus.c:432
 __device_attach+0x31c/0x490 drivers/base/dd.c:933
 bus_probe_device+0xbd/0x1e0 drivers/base/bus.c:492
 device_add+0x88d/0xbb0 drivers/base/core.c:2911
 usb_new_device+0xbbc/0x1760 drivers/usb/core/hub.c:2581
 hub_port_connect drivers/usb/core/hub.c:5214 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5333 [inline]
 port_event drivers/usb/core/hub.c:5479 [inline]
 hub_event+0x2c62/0x4d50 drivers/usb/core/hub.c:5561
 process_one_work+0x765/0xd20 kernel/workqueue.c:2290
 worker_thread+0xaef/0x1470 kernel/workqueue.c:2436
 kthread+0x2da/0x360 kernel/kthread.c:288
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:354

Freed by task 392:
 save_stack mm/kasan/common.c:70 [inline]
 set_track mm/kasan/common.c:78 [inline]
 kasan_set_free_info mm/kasan/common.c:345 [inline]
 __kasan_slab_free+0x1b5/0x270 mm/kasan/common.c:487
 slab_free_hook mm/slub.c:1455 [inline]
 slab_free_freelist_hook mm/slub.c:1494 [inline]
 slab_free mm/slub.c:3080 [inline]
 kfree+0x123/0x370 mm/slub.c:4071
 release_nodes+0x85a/0x8e0 drivers/base/devres.c:508
 __device_release_driver drivers/base/dd.c:1191 [inline]
 device_release_driver_internal+0x519/0x7b0 drivers/base/dd.c:1220
 bus_remove_device+0x2ca/0x340 drivers/base/bus.c:534
 device_del+0x65a/0xfa0 drivers/base/core.c:3088
 hid_remove_device drivers/hid/hid-core.c:2494 [inline]
 hid_destroy_device+0x64/0x100 drivers/hid/hid-core.c:2513
 usbhid_disconnect+0x9a/0xc0 drivers/hid/usbhid/hid-core.c:1445
 usb_unbind_interface+0x1d0/0x840 drivers/usb/core/driver.c:423
 __device_release_driver drivers/base/dd.c:1188 [inline]
 device_release_driver_internal+0x50a/0x7b0 drivers/base/dd.c:1220
 bus_remove_device+0x2ca/0x340 drivers/base/bus.c:534
 device_del+0x65a/0xfa0 drivers/base/core.c:3088
 usb_disable_device+0x38c/0x750 drivers/usb/core/message.c:1277
 usb_disconnect+0x32c/0x890 drivers/usb/core/hub.c:2237
 hub_port_connect drivers/usb/core/hub.c:5057 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5333 [inline]
 port_event drivers/usb/core/hub.c:5479 [inline]
 hub_event+0x1c75/0x4d50 drivers/usb/core/hub.c:5561
 process_one_work+0x765/0xd20 kernel/workqueue.c:2290
 process_scheduled_works kernel/workqueue.c:2352 [inline]
 worker_thread+0xe02/0x1470 kernel/workqueue.c:2438
 kthread+0x2da/0x360 kernel/kthread.c:288
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:354

The buggy address belongs to the object at ffff8881ebbed000
 which belongs to the cache kmalloc-512 of size 512
The buggy address is located 64 bytes inside of
 512-byte region [ffff8881ebbed000, ffff8881ebbed200)
The buggy address belongs to the page:
page:ffffea0007aefb00 refcount:1 mapcount:0 mapping:ffff8881f5c02500 index:0xffff8881ebbeec00 compound_mapcount: 0
flags: 0x8000000000010200(slab|head)
raw: 8000000000010200 0000000000000000 0000000100000001 ffff8881f5c02500
raw: ffff8881ebbeec00 000000008010000e 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 0x1d2a20(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL)
 set_page_owner include/linux/page_owner.h:31 [inline]
 post_alloc_hook mm/page_alloc.c:2165 [inline]
 prep_new_page+0x18f/0x370 mm/page_alloc.c:2171
 get_page_from_freelist+0x2d13/0x2d90 mm/page_alloc.c:3794
 __alloc_pages_nodemask+0x393/0x840 mm/page_alloc.c:4893
 alloc_slab_page+0x39/0x3c0 mm/slub.c:343
 allocate_slab mm/slub.c:1683 [inline]
 new_slab+0x97/0x440 mm/slub.c:1749
 new_slab_objects mm/slub.c:2505 [inline]
 ___slab_alloc+0x2fe/0x490 mm/slub.c:2667
 __slab_alloc+0x62/0xa0 mm/slub.c:2707
 slab_alloc_node mm/slub.c:2792 [inline]
 slab_alloc mm/slub.c:2837 [inline]
 __kmalloc_track_caller+0x16d/0x2b0 mm/slub.c:4449
 __kmalloc_reserve net/core/skbuff.c:142 [inline]
 __alloc_skb+0xb4/0x4d0 net/core/skbuff.c:210
 alloc_skb include/linux/skbuff.h:1080 [inline]
 ndisc_alloc_skb+0xee/0x2c0 net/ipv6/ndisc.c:423
 ndisc_send_ns+0x29d/0x830 net/ipv6/ndisc.c:629
 addrconf_dad_work+0xb91/0x16f0 net/ipv6/addrconf.c:4196
 process_one_work+0x765/0xd20 kernel/workqueue.c:2290
 worker_thread+0xaef/0x1470 kernel/workqueue.c:2436
 kthread+0x2da/0x360 kernel/kthread.c:288
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:354
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1176 [inline]
 __free_pages_ok+0x847/0x950 mm/page_alloc.c:1438
 free_the_page mm/page_alloc.c:4955 [inline]
 __free_pages+0x91/0x140 mm/page_alloc.c:4961
 __free_slab+0x221/0x2e0 mm/slub.c:1774
 free_slab mm/slub.c:1789 [inline]
 discard_slab mm/slub.c:1795 [inline]
 unfreeze_partials+0x14e/0x180 mm/slub.c:2288
 put_cpu_partial+0x44/0x180 mm/slub.c:2324
 __slab_free+0x297/0x360 mm/slub.c:2971
 qlist_free_all+0x43/0xb0 mm/kasan/quarantine.c:167
 quarantine_reduce+0x1d9/0x210 mm/kasan/quarantine.c:260
 __kasan_kmalloc+0x41/0x210 mm/kasan/common.c:507
 slab_post_alloc_hook mm/slab.h:584 [inline]
 slab_alloc_node mm/slub.c:2829 [inline]
 slab_alloc mm/slub.c:2837 [inline]
 __kmalloc_track_caller+0x100/0x2b0 mm/slub.c:4449
 memdup_user+0x22/0xb0 mm/util.c:172
 raw_alloc_io_data drivers/usb/gadget/legacy/raw_gadget.c:587 [inline]
 raw_ioctl_ep0_write drivers/usb/gadget/legacy/raw_gadget.c:678 [inline]
 raw_ioctl+0x1e3b/0x33b0 drivers/usb/gadget/legacy/raw_gadget.c:1222
 do_vfs_ioctl+0x742/0x1720 fs/ioctl.c:47
 ksys_ioctl fs/ioctl.c:742 [inline]
 __do_sys_ioctl fs/ioctl.c:749 [inline]
 __se_sys_ioctl fs/ioctl.c:747 [inline]
 __x64_sys_ioctl+0xd4/0x110 fs/ioctl.c:747
 do_syscall_64+0xca/0x1c0 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x5c/0xc1

Memory state around the buggy address:
 ffff8881ebbecf00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff8881ebbecf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff8881ebbed000: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                           ^
 ffff8881ebbed080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff8881ebbed100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
hid 0003:28DE:1102.0004: No HID_FEATURE_REPORT submitted -  nothing to read
hid 0003:28DE:1102.0004: No HID_FEATURE_REPORT submitted -  nothing to read
hid 0003:28DE:1102.0004: No HID_FEATURE_REPORT submitted -  nothing to read
hid 0003:28DE:1102.0004: No HID_FEATURE_REPORT submitted -  nothing to read
hid 0003:28DE:1102.0004: No HID_FEATURE_REPORT submitted -  nothing to read