================================================================== BUG: KASAN: use-after-free in instrument_atomic_read_write include/linux/instrumented.h:101 [inline] BUG: KASAN: use-after-free in atomic_long_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:1667 [inline] BUG: KASAN: use-after-free in __mutex_trylock_fast kernel/locking/mutex.c:169 [inline] BUG: KASAN: use-after-free in mutex_lock+0xa9/0x1e0 kernel/locking/mutex.c:288 Write of size 8 at addr ffff88811325a850 by task acpid/86 CPU: 1 PID: 86 Comm: acpid Not tainted 5.15.178-syzkaller-1079134-g058abb720bd1 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x151/0x1c0 lib/dump_stack.c:106 print_address_description+0x87/0x3b0 mm/kasan/report.c:248 __kasan_report mm/kasan/report.c:427 [inline] kasan_report+0x179/0x1c0 mm/kasan/report.c:444 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] atomic_long_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:1667 [inline] __mutex_trylock_fast kernel/locking/mutex.c:169 [inline] mutex_lock+0xa9/0x1e0 kernel/locking/mutex.c:288 steam_input_open+0x91/0x1a0 drivers/hid/hid-steam.c:297 input_open_device+0x1a5/0x310 drivers/input/input.c:640 evdev_open_device drivers/input/evdev.c:404 [inline] evdev_open+0x3df/0x620 drivers/input/evdev.c:491 chrdev_open+0x4f7/0x620 fs/char_dev.c:414 do_dentry_open+0x81c/0xfd0 fs/open.c:828 vfs_open+0x73/0x80 fs/open.c:958 do_open fs/namei.c:3608 [inline] path_openat+0x26f0/0x2f40 fs/namei.c:3742 do_filp_open+0x21c/0x460 fs/namei.c:3769 do_sys_openat2+0x13f/0x820 fs/open.c:1234 do_sys_open fs/open.c:1250 [inline] __do_sys_openat fs/open.c:1266 [inline] __se_sys_openat fs/open.c:1261 [inline] __x64_sys_openat+0x243/0x290 fs/open.c:1261 x64_sys_call+0x6bf/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:258 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7fa797e219a4 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:00007fffcb97ca80 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007fffcb97cd68 RCX: 00007fa797e219a4 RDX: 0000000000080800 RSI: 00007fffcb97cc68 RDI: 00000000ffffff9c RBP: 00007fffcb97cc68 R08: 00000000000000f4 R09: 00007fffcb97cc68 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000080800 R13: 0000000000000020 R14: 00007fffcb97cd68 R15: 00007fffcb97cc68 Allocated by task 361: 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:433 [inline] ____kasan_kmalloc+0xdb/0x110 mm/kasan/common.c:512 __kasan_kmalloc+0x9/0x10 mm/kasan/common.c:521 kasan_kmalloc include/linux/kasan.h:227 [inline] __kmalloc_track_caller+0x13e/0x2c0 mm/slub.c:4954 alloc_dr drivers/base/devres.c:116 [inline] devm_kmalloc+0x4f/0x160 drivers/base/devres.c:824 devm_kzalloc include/linux/device.h:209 [inline] steam_probe+0x11d/0xa80 drivers/hid/hid-steam.c:741 hid_device_probe+0x261/0x390 drivers/hid/hid-core.c:2301 really_probe+0x28d/0x970 drivers/base/dd.c:595 __driver_probe_device+0x1a0/0x310 drivers/base/dd.c:755 driver_probe_device+0x54/0x3d0 drivers/base/dd.c:785 __device_attach_driver+0x2c5/0x470 drivers/base/dd.c:907 bus_for_each_drv+0x183/0x200 drivers/base/bus.c:429 __device_attach+0x312/0x510 drivers/base/dd.c:979 device_initial_probe+0x1a/0x20 drivers/base/dd.c:1028 bus_probe_device+0xbe/0x1e0 drivers/base/bus.c:489 device_add+0xb60/0xf10 drivers/base/core.c:3422 hid_add_device+0x39c/0x4e0 drivers/hid/hid-core.c:2451 usbhid_probe+0xb0e/0xea0 drivers/hid/usbhid/hid-core.c:1424 usb_probe_interface+0x5b6/0xa90 drivers/usb/core/driver.c:396 really_probe+0x28d/0x970 drivers/base/dd.c:595 __driver_probe_device+0x1a0/0x310 drivers/base/dd.c:755 driver_probe_device+0x54/0x3d0 drivers/base/dd.c:785 __device_attach_driver+0x2c5/0x470 drivers/base/dd.c:907 bus_for_each_drv+0x183/0x200 drivers/base/bus.c:429 __device_attach+0x312/0x510 drivers/base/dd.c:979 device_initial_probe+0x1a/0x20 drivers/base/dd.c:1028 bus_probe_device+0xbe/0x1e0 drivers/base/bus.c:489 device_add+0xb60/0xf10 drivers/base/core.c:3422 usb_set_configuration+0x190f/0x1e80 drivers/usb/core/message.c:2165 usb_generic_driver_probe+0x8b/0x150 drivers/usb/core/generic.c:238 usb_probe_device+0x144/0x260 drivers/usb/core/driver.c:293 really_probe+0x28d/0x970 drivers/base/dd.c:595 __driver_probe_device+0x1a0/0x310 drivers/base/dd.c:755 driver_probe_device+0x54/0x3d0 drivers/base/dd.c:785 __device_attach_driver+0x2c5/0x470 drivers/base/dd.c:907 bus_for_each_drv+0x183/0x200 drivers/base/bus.c:429 __device_attach+0x312/0x510 drivers/base/dd.c:979 device_initial_probe+0x1a/0x20 drivers/base/dd.c:1028 bus_probe_device+0xbe/0x1e0 drivers/base/bus.c:489 device_add+0xb60/0xf10 drivers/base/core.c:3422 usb_new_device+0x1038/0x1c10 drivers/usb/core/hub.c:2599 hub_port_connect drivers/usb/core/hub.c:5515 [inline] hub_port_connect_change drivers/usb/core/hub.c:5655 [inline] port_event drivers/usb/core/hub.c:5805 [inline] hub_event+0x2def/0x4770 drivers/usb/core/hub.c:5887 process_one_work+0x6bb/0xc10 kernel/workqueue.c:2325 worker_thread+0xad5/0x12a0 kernel/workqueue.c:2472 kthread+0x421/0x510 kernel/kthread.c:337 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 Freed by task 26: 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+0x126/0x160 mm/kasan/common.c:365 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:373 kasan_slab_free include/linux/kasan.h:193 [inline] slab_free_hook mm/slub.c:1723 [inline] slab_free_freelist_hook+0xbd/0x190 mm/slub.c:1749 slab_free mm/slub.c:3521 [inline] kfree+0xcc/0x270 mm/slub.c:4583 release_nodes+0xf1/0x230 drivers/base/devres.c:501 devres_release_all+0x148/0x1a0 drivers/base/devres.c:530 __device_release_driver drivers/base/dd.c:1231 [inline] device_release_driver_internal+0x51a/0x7d0 drivers/base/dd.c:1262 device_release_driver+0x19/0x20 drivers/base/dd.c:1285 bus_remove_device+0x2f8/0x360 drivers/base/bus.c:531 device_del+0x663/0xe90 drivers/base/core.c:3610 hid_remove_device drivers/hid/hid-core.c:2499 [inline] hid_destroy_device+0x68/0x110 drivers/hid/hid-core.c:2518 usbhid_disconnect+0x9e/0xc0 drivers/hid/usbhid/hid-core.c:1451 usb_unbind_interface+0x1fa/0x8c0 drivers/usb/core/driver.c:458 __device_release_driver drivers/base/dd.c:1229 [inline] device_release_driver_internal+0x50b/0x7d0 drivers/base/dd.c:1262 device_release_driver+0x19/0x20 drivers/base/dd.c:1285 bus_remove_device+0x2f8/0x360 drivers/base/bus.c:531 device_del+0x663/0xe90 drivers/base/core.c:3610 usb_disable_device+0x380/0x720 drivers/usb/core/message.c:1414 usb_disconnect+0x32a/0x890 drivers/usb/core/hub.c:2249 hub_port_connect drivers/usb/core/hub.c:5354 [inline] hub_port_connect_change drivers/usb/core/hub.c:5655 [inline] port_event drivers/usb/core/hub.c:5805 [inline] hub_event+0x1d42/0x4770 drivers/usb/core/hub.c:5887 process_one_work+0x6bb/0xc10 kernel/workqueue.c:2325 worker_thread+0xad5/0x12a0 kernel/workqueue.c:2472 kthread+0x421/0x510 kernel/kthread.c:337 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 The buggy address belongs to the object at ffff88811325a800 which belongs to the cache kmalloc-512 of size 512 The buggy address is located 80 bytes inside of 512-byte region [ffff88811325a800, ffff88811325aa00) The buggy address belongs to the page: page:ffffea00044c9600 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x113258 head:ffffea00044c9600 order:2 compound_mapcount:0 compound_pincount:0 flags: 0x4000000000010200(slab|head|zone=1) raw: 4000000000010200 0000000000000000 0000000100000001 ffff888100042f00 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 0x1d20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 449, ts 52858632002, free_ts 35052979753 set_page_owner include/linux/page_owner.h:33 [inline] post_alloc_hook+0x1a3/0x1b0 mm/page_alloc.c:2605 prep_new_page+0x1b/0x110 mm/page_alloc.c:2611 get_page_from_freelist+0x3550/0x35d0 mm/page_alloc.c:4485 __alloc_pages+0x27e/0x8f0 mm/page_alloc.c:5780 allocate_slab mm/slub.c:1932 [inline] new_slab+0x9a/0x4e0 mm/slub.c:1995 ___slab_alloc+0x39e/0x830 mm/slub.c:3028 __slab_alloc+0x4a/0x90 mm/slub.c:3115 slab_alloc_node mm/slub.c:3206 [inline] slab_alloc mm/slub.c:3250 [inline] kmem_cache_alloc_trace+0x147/0x270 mm/slub.c:3267 kmalloc include/linux/slab.h:603 [inline] kzalloc include/linux/slab.h:733 [inline] find_css_set+0x9d7/0x1580 kernel/cgroup/cgroup.c:1228 cgroup_migrate_prepare_dst+0xc5/0x910 kernel/cgroup/cgroup.c:2767 cgroup_attach_task+0x2cd/0x580 kernel/cgroup/cgroup.c:2873 __cgroup1_procs_write+0x2da/0x5d0 kernel/cgroup/cgroup-v1.c:529 cgroup1_procs_write+0x2a/0x40 kernel/cgroup/cgroup-v1.c:543 cgroup_file_write+0x290/0x590 kernel/cgroup/cgroup.c:3958 kernfs_fop_write_iter+0x2c4/0x410 fs/kernfs/file.c:296 call_write_iter include/linux/fs.h:2206 [inline] new_sync_write fs/read_write.c:507 [inline] vfs_write+0xd5d/0x1110 fs/read_write.c:594 page last free stack trace: reset_page_owner include/linux/page_owner.h:26 [inline] free_pages_prepare mm/page_alloc.c:1472 [inline] free_pcp_prepare mm/page_alloc.c:1544 [inline] free_unref_page_prepare+0x7c8/0x7d0 mm/page_alloc.c:3534 free_unref_page+0xe8/0x750 mm/page_alloc.c:3616 free_the_page mm/page_alloc.c:805 [inline] __free_pages+0x61/0xf0 mm/page_alloc.c:5856 __free_slab+0xec/0x1d0 mm/slub.c:2020 free_slab mm/slub.c:2035 [inline] discard_slab mm/slub.c:2041 [inline] __unfreeze_partials+0x165/0x1a0 mm/slub.c:2527 put_cpu_partial+0xc4/0x120 mm/slub.c:2607 __slab_free+0x1c8/0x290 mm/slub.c:3390 do_slab_free mm/slub.c:3509 [inline] ___cache_free+0x109/0x120 mm/slub.c:3530 qlink_free+0x4d/0x90 mm/kasan/quarantine.c:157 qlist_free_all+0x44/0xb0 mm/kasan/quarantine.c:176 kasan_quarantine_reduce+0x15a/0x180 mm/kasan/quarantine.c:283 __kasan_slab_alloc+0x2f/0xe0 mm/kasan/common.c:443 kasan_slab_alloc include/linux/kasan.h:217 [inline] slab_post_alloc_hook+0x53/0x2c0 mm/slab.h:550 slab_alloc_node mm/slub.c:3240 [inline] slab_alloc mm/slub.c:3250 [inline] kmem_cache_alloc+0xf5/0x250 mm/slub.c:3255 kmem_cache_alloc_node include/linux/slab.h:474 [inline] __alloc_skb+0xbe/0x550 net/core/skbuff.c:416 alloc_skb include/linux/skbuff.h:1183 [inline] alloc_skb_with_frags+0xa6/0x680 net/core/skbuff.c:6194 Memory state around the buggy address: ffff88811325a700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff88811325a780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff88811325a800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff88811325a880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88811325a900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ================================================================== hid 0003:28DE:1102.002A: No HID_FEATURE_REPORT submitted - nothing to read hid 0003:28DE:1102.002A: No HID_FEATURE_REPORT submitted - nothing to read hid 0003:28DE:1102.002A: No HID_FEATURE_REPORT submitted - nothing to read hid 0003:28DE:1102.002A: No HID_FEATURE_REPORT submitted - nothing to read hid 0003:28DE:1102.002A: No HID_FEATURE_REPORT submitted - nothing to read hid 0003:28DE:1102.002A: No HID_FEATURE_REPORT submitted - nothing to read hid 0003:28DE:1102.002A: No HID_FEATURE_REPORT submitted - nothing to read hid 0003:28DE:1102.002A: No HID_FEATURE_REPORT submitted - nothing to read hid 0003:28DE:1102.002A: No HID_FEATURE_REPORT submitted - nothing to read hid 0003:28DE:1102.002A: No HID_FEATURE_REPORT submitted - nothing to read hid 0003:28DE:1102.0033: No HID_FEATURE_REPORT submitted - nothing to read hid 0003:28DE:1102.0033: No HID_FEATURE_REPORT submitted - nothing to read hid 0003:28DE:1102.0033: No HID_FEATURE_REPORT submitted - nothing to read hid 0003:28DE:1102.0033: No HID_FEATURE_REPORT submitted - nothing to read hid 0003:28DE:1102.0033: No HID_FEATURE_REPORT submitted - nothing to read hid 0003:28DE:1102.0033: No HID_FEATURE_REPORT submitted - nothing to read hid 0003:28DE:1102.0033: No HID_FEATURE_REPORT submitted - nothing to read hid 0003:28DE:1102.0033: No HID_FEATURE_REPORT submitted - nothing to read hid 0003:28DE:1102.0033: No HID_FEATURE_REPORT submitted - nothing to read hid 0003:28DE:1102.0033: No HID_FEATURE_REPORT submitted - nothing to read hid 0003:28DE:1102.0033: No HID_FEATURE_REPORT submitted - nothing to read hid 0003:28DE:1102.0033: No HID_FEATURE_REPORT submitted - nothing to read hid 0003:28DE:1102.0033: No HID_FEATURE_REPORT submitted - nothing to read hid 0003:28DE:1102.0033: No HID_FEATURE_REPORT submitted - nothing to read hid 0003:28DE:1102.0033: No HID_FEATURE_REPORT submitted - nothing to read hid 0003:28DE:1102.0037: No HID_FEATURE_REPORT submitted - nothing to read hid 0003:28DE:1102.0037: No HID_FEATURE_REPORT submitted - nothing to read hid 0003:28DE:1102.0037: No HID_FEATURE_REPORT submitted - nothing to read hid 0003:28DE:1102.0037: No HID_FEATURE_REPORT submitted - nothing to read hid 0003:28DE:1102.0037: No HID_FEATURE_REPORT submitted - nothing to read hid 0003:28DE:1102.0037: No HID_FEATURE_REPORT submitted - nothing to read hid 0003:28DE:1102.0037: No HID_FEATURE_REPORT submitted - nothing to read hid 0003:28DE:1102.0037: No HID_FEATURE_REPORT submitted - nothing to read hid 0003:28DE:1102.0037: No HID_FEATURE_REPORT submitted - nothing to read hid 0003:28DE:1102.0037: No HID_FEATURE_REPORT submitted - nothing to read