================================================================== 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 ffff88810aeb7440 by task acpid/80 CPU: 1 PID: 80 Comm: acpid Not tainted 5.10.234-syzkaller-1006684-g094fc3778d6b #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: 0033:0x7f3b96c359a4 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:00007ffd80bb0720 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007ffd80bb0a08 RCX: 00007f3b96c359a4 RDX: 0000000000080800 RSI: 00007ffd80bb0908 RDI: 00000000ffffff9c RBP: 00007ffd80bb0908 R08: 00000000000000f4 R09: 00007ffd80bb0908 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000080800 R13: 0000000000000020 R14: 00007ffd80bb0a08 R15: 00007ffd80bb0908 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 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 blk_mq_init_queue_data block/blk-mq.c:3155 [inline] blk_mq_init_queue+0x36/0xd0 block/blk-mq.c:3174 scsi_mq_alloc_queue+0x42/0x140 drivers/scsi/scsi_lib.c:1900 scsi_alloc_sdev+0x642/0x970 drivers/scsi/scsi_scan.c:284 scsi_probe_and_add_lun+0x1aa/0x4260 drivers/scsi/scsi_scan.c:1098 __scsi_scan_target+0x1fb/0xe80 drivers/scsi/scsi_scan.c:1581 scsi_scan_channel drivers/scsi/scsi_scan.c:1669 [inline] scsi_scan_host_selected+0x334/0x5f0 drivers/scsi/scsi_scan.c:1698 do_scsi_scan_host drivers/scsi/scsi_scan.c:1837 [inline] scsi_scan_host+0x3a8/0x670 drivers/scsi/scsi_scan.c:1867 virtscsi_probe+0x92e/0xbf0 drivers/scsi/virtio_scsi.c:915 virtio_dev_probe+0x87d/0xad0 drivers/virtio/virtio.c:274 really_probe+0x39c/0xaf0 drivers/base/dd.c:558 driver_probe_device+0xfd/0x260 drivers/base/dd.c:752 device_driver_attach+0x188/0x290 drivers/base/dd.c:1035 __driver_attach+0x14f/0x390 drivers/base/dd.c:1124 bus_for_each_dev+0x17b/0x1f0 drivers/base/bus.c:307 driver_attach+0x42/0x50 drivers/base/dd.c:1140 bus_add_driver+0x33f/0x590 drivers/base/bus.c:624 driver_register+0x2e2/0x3e0 drivers/base/driver.c:240 register_virtio_driver+0x97/0xc0 drivers/virtio/virtio.c:325 init+0x66/0xde drivers/scsi/virtio_scsi.c:1009 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 356: 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 Last potentially related work creation: kasan_save_stack+0x3b/0x60 mm/kasan/common.c:38 __kasan_record_aux_stack+0xd3/0x100 mm/kasan/generic.c:348 kasan_record_aux_stack_noalloc+0xb/0x10 mm/kasan/generic.c:358 __call_rcu kernel/rcu/tree.c:2976 [inline] call_rcu+0x135/0x11f0 kernel/rcu/tree.c:3050 blkg_release+0x23/0x30 block/blk-cgroup.c:114 percpu_ref_put_many include/linux/percpu-refcount.h:322 [inline] percpu_ref_put include/linux/percpu-refcount.h:338 [inline] percpu_ref_call_confirm_rcu lib/percpu-refcount.c:163 [inline] percpu_ref_switch_to_atomic_rcu+0x5a5/0x5b0 lib/percpu-refcount.c:200 rcu_do_batch+0x597/0xc40 kernel/rcu/tree.c:2494 rcu_core+0x5ad/0xe40 kernel/rcu/tree.c:2735 rcu_core_si+0x9/0x10 kernel/rcu/tree.c:2748 __do_softirq+0x268/0x5bb kernel/softirq.c:309 The buggy address belongs to the object at ffff88810aeb7400 which belongs to the cache kmalloc-512 of size 512 The buggy address is located 64 bytes inside of 512-byte region [ffff88810aeb7400, ffff88810aeb7600) The buggy address belongs to the page: page:ffffea00042bad00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10aeb4 head:ffffea00042bad00 order:2 compound_mapcount:0 compound_pincount:0 flags: 0x4000000000010200(slab|head) raw: 4000000000010200 0000000000000000 0000000100000001 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 2130795963, 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 blk_mq_init_queue_data block/blk-mq.c:3155 [inline] blk_mq_init_queue+0x36/0xd0 block/blk-mq.c:3174 scsi_mq_alloc_queue+0x42/0x140 drivers/scsi/scsi_lib.c:1900 scsi_alloc_sdev+0x642/0x970 drivers/scsi/scsi_scan.c:284 scsi_probe_and_add_lun+0x1aa/0x4260 drivers/scsi/scsi_scan.c:1098 __scsi_scan_target+0x1fb/0xe80 drivers/scsi/scsi_scan.c:1581 scsi_scan_channel drivers/scsi/scsi_scan.c:1669 [inline] scsi_scan_host_selected+0x334/0x5f0 drivers/scsi/scsi_scan.c:1698 page_owner free stack trace missing Memory state around the buggy address: ffff88810aeb7300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff88810aeb7380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff88810aeb7400: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff88810aeb7480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88810aeb7500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ================================================================== hid 0003:28DE:1102.0011: No HID_FEATURE_REPORT submitted - nothing to read hid 0003:28DE:1102.0011: No HID_FEATURE_REPORT submitted - nothing to read hid 0003:28DE:1102.0011: No HID_FEATURE_REPORT submitted - nothing to read hid 0003:28DE:1102.0011: No HID_FEATURE_REPORT submitted - nothing to read hid 0003:28DE:1102.0011: No HID_FEATURE_REPORT submitted - nothing to read hid 0003:28DE:1102.0011: No HID_FEATURE_REPORT submitted - nothing to read hid 0003:28DE:1102.0011: No HID_FEATURE_REPORT submitted - nothing to read hid 0003:28DE:1102.0011: No HID_FEATURE_REPORT submitted - nothing to read hid 0003:28DE:1102.0011: No HID_FEATURE_REPORT submitted - nothing to read hid 0003:28DE:1102.0011: No HID_FEATURE_REPORT submitted - nothing to read hid 0003:28DE:1102.0011: No HID_FEATURE_REPORT submitted - nothing to read hid 0003:28DE:1102.0011: No HID_FEATURE_REPORT submitted - nothing to read hid 0003:28DE:1102.0011: No HID_FEATURE_REPORT submitted - nothing to read hid 0003:28DE:1102.0011: No HID_FEATURE_REPORT submitted - nothing to read hid 0003:28DE:1102.0011: No HID_FEATURE_REPORT submitted - nothing to read hid 0003:28DE:1102.0011: No HID_FEATURE_REPORT submitted - nothing to read hid 0003:28DE:1102.0011: No HID_FEATURE_REPORT submitted - nothing to read hid 0003:28DE:1102.0011: No HID_FEATURE_REPORT submitted - nothing to read hid 0003:28DE:1102.0029: No HID_FEATURE_REPORT submitted - nothing to read hid 0003:28DE:1102.0029: No HID_FEATURE_REPORT submitted - nothing to read hid 0003:28DE:1102.0029: No HID_FEATURE_REPORT submitted - nothing to read hid 0003:28DE:1102.0029: No HID_FEATURE_REPORT submitted - nothing to read hid 0003:28DE:1102.0029: No HID_FEATURE_REPORT submitted - nothing to read hid 0003:28DE:1102.0029: No HID_FEATURE_REPORT submitted - nothing to read hid 0003:28DE:1102.0029: No HID_FEATURE_REPORT submitted - nothing to read hid 0003:28DE:1102.0029: No HID_FEATURE_REPORT submitted - nothing to read hid 0003:28DE:1102.0029: No HID_FEATURE_REPORT submitted - nothing to read hid 0003:28DE:1102.0029: No HID_FEATURE_REPORT submitted - nothing to read