================================================================== 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 ffff88811a0e1440 by task acpid/79 CPU: 1 PID: 79 Comm: acpid Not tainted 5.10.226-syzkaller-00709-ge5e5644ea27f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 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_close+0x90/0x1e0 drivers/hid/hid-steam.c:308 input_close_device+0x269/0x300 drivers/input/input.c:694 evdev_close_device drivers/input/evdev.c:414 [inline] evdev_release+0x7be/0x850 drivers/input/evdev.c:456 __fput+0x33d/0x7b0 fs/file_table.c:281 ____fput+0x15/0x20 fs/file_table.c:314 task_work_run+0x129/0x190 kernel/task_work.c:189 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_user_mode_loop+0xbf/0xd0 kernel/entry/common.c:172 exit_to_user_mode_prepare kernel/entry/common.c:199 [inline] syscall_exit_to_user_mode+0xa2/0x1a0 kernel/entry/common.c:274 do_syscall_64+0x40/0x70 arch/x86/entry/common.c:56 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f977a8b00a8 Code: 48 8b 05 83 9d 0d 00 64 c7 00 16 00 00 00 83 c8 ff 48 83 c4 20 5b c3 64 8b 04 25 18 00 00 00 85 c0 75 20 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 5b 48 8b 15 51 9d 0d 00 f7 d8 64 89 02 48 83 RSP: 002b:00007ffd4e340728 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 00007ffd4e3409b8 RCX: 00007f977a8b00a8 RDX: 0000000000000000 RSI: 000000000000001e RDI: 000000000000000a RBP: 000000000000000a R08: 0000000000000008 R09: 00007ffd4e340898 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd4e340898 R13: 0000000000000040 R14: 00007ffd4e340998 R15: 00007ffd4e340898 Allocated by task 0: (stack is not available) Freed by task 25: 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:533 device_del+0x68b/0xf00 drivers/base/core.c:3455 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:533 device_del+0x68b/0xf00 drivers/base/core.c:3455 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:5296 [inline] hub_port_connect_change drivers/usb/core/hub.c:5597 [inline] port_event drivers/usb/core/hub.c:5747 [inline] hub_event+0x1e73/0x47c0 drivers/usb/core/hub.c:5829 process_one_work+0x6dc/0xbd0 kernel/workqueue.c:2301 process_scheduled_works kernel/workqueue.c:2363 [inline] worker_thread+0xe18/0x1510 kernel/workqueue.c:2449 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 ffff88811a0e1400 which belongs to the cache kmalloc-512 of size 512 The buggy address is located 64 bytes inside of 512-byte region [ffff88811a0e1400, ffff88811a0e1600) The buggy address belongs to the page: page:ffffea0004683800 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x11a0e0 head:ffffea0004683800 order:2 compound_mapcount:0 compound_pincount:0 flags: 0x4000000000010200(slab|head) raw: 4000000000010200 0000000000000000 0000000100000001 ffff888100043080 raw: 0000000000000000 0000000080100010 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 83, ts 60930328610, free_ts 60275215306 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] __kmalloc_track_caller+0x1f8/0x320 mm/slub.c:4536 __kmalloc_reserve net/core/skbuff.c:144 [inline] __alloc_skb+0xbc/0x510 net/core/skbuff.c:212 alloc_skb include/linux/skbuff.h:1126 [inline] alloc_skb_with_frags+0xa1/0x570 net/core/skbuff.c:5951 sock_alloc_send_pskb+0x915/0xa50 net/core/sock.c:2388 unix_dgram_sendmsg+0x700/0x1f90 net/unix/af_unix.c:1725 sock_sendmsg_nosec net/socket.c:652 [inline] __sock_sendmsg net/socket.c:664 [inline] __sys_sendto+0x545/0x700 net/socket.c:2006 __do_sys_sendto net/socket.c:2018 [inline] __se_sys_sendto net/socket.c:2014 [inline] __x64_sys_sendto+0xe5/0x100 net/socket.c:2014 do_syscall_64+0x34/0x70 entry_SYSCALL_64_after_hwframe+0x61/0xcb page last free stack trace: reset_page_owner include/linux/page_owner.h:28 [inline] free_pages_prepare mm/page_alloc.c:1349 [inline] __free_pages_ok+0x82c/0x850 mm/page_alloc.c:1629 free_the_page+0x76/0x370 mm/page_alloc.c:5409 __free_pages+0x67/0xc0 mm/page_alloc.c:5418 kfree+0x1f0/0x270 mm/slub.c:4188 usbhid_disconnect+0xa6/0xc0 drivers/hid/usbhid/hid-core.c:1446 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:533 device_del+0x68b/0xf00 drivers/base/core.c:3455 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:5296 [inline] hub_port_connect_change drivers/usb/core/hub.c:5597 [inline] port_event drivers/usb/core/hub.c:5747 [inline] hub_event+0x1e73/0x47c0 drivers/usb/core/hub.c:5829 process_one_work+0x6dc/0xbd0 kernel/workqueue.c:2301 process_scheduled_works kernel/workqueue.c:2363 [inline] worker_thread+0xe18/0x1510 kernel/workqueue.c:2449 kthread+0x34b/0x3d0 kernel/kthread.c:313 Memory state around the buggy address: ffff88811a0e1300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff88811a0e1380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff88811a0e1400: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff88811a0e1480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88811a0e1500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ================================================================== hid 0003:28DE:1102.0213: No HID_FEATURE_REPORT submitted - nothing to read hid 0003:28DE:1102.0213: No HID_FEATURE_REPORT submitted - nothing to read hid 0003:28DE:1102.0213: No HID_FEATURE_REPORT submitted - nothing to read hid 0003:28DE:1102.0213: No HID_FEATURE_REPORT submitted - nothing to read hid 0003:28DE:1102.0213: No HID_FEATURE_REPORT submitted - nothing to read hid 0003:28DE:1102.0213: No HID_FEATURE_REPORT submitted - nothing to read hid 0003:28DE:1102.0213: No HID_FEATURE_REPORT submitted - nothing to read hid 0003:28DE:1102.0213: No HID_FEATURE_REPORT submitted - nothing to read