================================================================== BUG: KASAN: slab-use-after-free in debug_spin_lock_before kernel/locking/spinlock_debug.c:85 [inline] BUG: KASAN: slab-use-after-free in do_raw_spin_lock+0x26f/0x2b0 kernel/locking/spinlock_debug.c:114 Read of size 4 at addr ffff888107f9681c by task kworker/0:7/5822 CPU: 0 PID: 5822 Comm: kworker/0:7 Not tainted 6.5.0-rc3-syzkaller-00020-g7713aaf46459 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 Workqueue: events __usb_queue_reset_device Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106 print_address_description mm/kasan/report.c:364 [inline] print_report+0xc4/0x620 mm/kasan/report.c:475 kasan_report+0xda/0x110 mm/kasan/report.c:588 debug_spin_lock_before kernel/locking/spinlock_debug.c:85 [inline] do_raw_spin_lock+0x26f/0x2b0 kernel/locking/spinlock_debug.c:114 __mutex_unlock_slowpath+0x198/0x640 kernel/locking/mutex.c:932 hiddev_disconnect+0x15b/0x1c0 drivers/hid/usbhid/hiddev.c:940 hid_disconnect+0xb8/0x1b0 drivers/hid/hid-core.c:2275 hid_hw_stop drivers/hid/hid-core.c:2322 [inline] hid_device_remove+0x1a5/0x250 drivers/hid/hid-core.c:2684 device_remove+0xc8/0x170 drivers/base/dd.c:567 __device_release_driver drivers/base/dd.c:1270 [inline] device_release_driver_internal+0x44a/0x610 drivers/base/dd.c:1293 bus_remove_device+0x22c/0x420 drivers/base/bus.c:574 device_del+0x39a/0xa40 drivers/base/core.c:3814 hid_remove_device drivers/hid/hid-core.c:2859 [inline] hid_destroy_device+0xe5/0x150 drivers/hid/hid-core.c:2879 usbhid_disconnect+0xa0/0xe0 drivers/hid/usbhid/hid-core.c:1456 usb_unbind_interface+0x1dd/0x8d0 drivers/usb/core/driver.c:458 device_remove drivers/base/dd.c:569 [inline] device_remove+0x11f/0x170 drivers/base/dd.c:561 __device_release_driver drivers/base/dd.c:1270 [inline] device_release_driver_internal+0x44a/0x610 drivers/base/dd.c:1293 usb_driver_release_interface drivers/usb/core/driver.c:627 [inline] usb_forced_unbind_intf+0x140/0x220 drivers/usb/core/driver.c:1118 unbind_marked_interfaces.isra.0+0x170/0x1e0 drivers/usb/core/driver.c:1141 usb_unbind_and_rebind_marked_interfaces+0x38/0x80 drivers/usb/core/driver.c:1202 usb_reset_device+0x85a/0xad0 drivers/usb/core/hub.c:6229 __usb_queue_reset_device+0x6c/0xa0 drivers/usb/core/message.c:1906 process_one_work+0xaa2/0x16f0 kernel/workqueue.c:2597 process_scheduled_works kernel/workqueue.c:2664 [inline] worker_thread+0x896/0x1110 kernel/workqueue.c:2750 kthread+0x33a/0x430 kernel/kthread.c:389 ret_from_fork+0x2c/0x70 arch/x86/kernel/process.c:145 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:296 RIP: 0000:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0000:0000000000000000 EFLAGS: 00000000 ORIG_RAX: 0000000000000000 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Allocated by task 5287: kasan_save_stack+0x33/0x50 mm/kasan/common.c:45 kasan_set_track+0x25/0x30 mm/kasan/common.c:52 ____kasan_kmalloc mm/kasan/common.c:374 [inline] __kasan_kmalloc+0x87/0x90 mm/kasan/common.c:383 kmalloc include/linux/slab.h:582 [inline] kzalloc include/linux/slab.h:703 [inline] hiddev_connect+0x262/0x630 drivers/hid/usbhid/hiddev.c:893 hid_connect+0x25e/0x18a0 drivers/hid/hid-core.c:2192 hid_hw_start drivers/hid/hid-core.c:2302 [inline] hid_hw_start+0xa0/0x130 drivers/hid/hid-core.c:2293 plantronics_probe+0x2f0/0x3f0 drivers/hid/hid-plantronics.c:191 __hid_device_probe drivers/hid/hid-core.c:2626 [inline] hid_device_probe+0x2e4/0x480 drivers/hid/hid-core.c:2663 call_driver_probe drivers/base/dd.c:579 [inline] really_probe+0x234/0xc90 drivers/base/dd.c:658 __driver_probe_device+0x1de/0x4b0 drivers/base/dd.c:798 driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:828 __device_attach_driver+0x1d4/0x300 drivers/base/dd.c:956 bus_for_each_drv+0x157/0x1d0 drivers/base/bus.c:457 __device_attach+0x1e8/0x4b0 drivers/base/dd.c:1028 bus_probe_device+0x17c/0x1c0 drivers/base/bus.c:532 device_add+0x11f1/0x1b40 drivers/base/core.c:3625 hid_add_device+0x371/0xa60 drivers/hid/hid-core.c:2809 usbhid_probe+0xd0a/0x1360 drivers/hid/usbhid/hid-core.c:1429 usb_probe_interface+0x307/0x930 drivers/usb/core/driver.c:396 call_driver_probe drivers/base/dd.c:579 [inline] really_probe+0x234/0xc90 drivers/base/dd.c:658 __driver_probe_device+0x1de/0x4b0 drivers/base/dd.c:798 driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:828 __device_attach_driver+0x1d4/0x300 drivers/base/dd.c:956 bus_for_each_drv+0x157/0x1d0 drivers/base/bus.c:457 __device_attach+0x1e8/0x4b0 drivers/base/dd.c:1028 bus_probe_device+0x17c/0x1c0 drivers/base/bus.c:532 device_add+0x11f1/0x1b40 drivers/base/core.c:3625 usb_set_configuration+0x10cb/0x1c40 drivers/usb/core/message.c:2212 usb_generic_driver_probe+0xca/0x130 drivers/usb/core/generic.c:238 usb_probe_device+0xda/0x2c0 drivers/usb/core/driver.c:293 call_driver_probe drivers/base/dd.c:579 [inline] really_probe+0x234/0xc90 drivers/base/dd.c:658 __driver_probe_device+0x1de/0x4b0 drivers/base/dd.c:798 driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:828 __device_attach_driver+0x1d4/0x300 drivers/base/dd.c:956 bus_for_each_drv+0x157/0x1d0 drivers/base/bus.c:457 __device_attach+0x1e8/0x4b0 drivers/base/dd.c:1028 bus_probe_device+0x17c/0x1c0 drivers/base/bus.c:532 device_add+0x11f1/0x1b40 drivers/base/core.c:3625 usb_new_device+0xd80/0x1960 drivers/usb/core/hub.c:2590 hub_port_connect drivers/usb/core/hub.c:5422 [inline] hub_port_connect_change drivers/usb/core/hub.c:5566 [inline] port_event drivers/usb/core/hub.c:5726 [inline] hub_event+0x30fd/0x5330 drivers/usb/core/hub.c:5808 process_one_work+0xaa2/0x16f0 kernel/workqueue.c:2597 worker_thread+0x687/0x1110 kernel/workqueue.c:2748 kthread+0x33a/0x430 kernel/kthread.c:389 ret_from_fork+0x2c/0x70 arch/x86/kernel/process.c:145 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:296 Freed by task 12437: kasan_save_stack+0x33/0x50 mm/kasan/common.c:45 kasan_set_track+0x25/0x30 mm/kasan/common.c:52 kasan_save_free_info+0x2b/0x40 mm/kasan/generic.c:522 ____kasan_slab_free mm/kasan/common.c:236 [inline] ____kasan_slab_free+0x13f/0x190 mm/kasan/common.c:200 kasan_slab_free include/linux/kasan.h:162 [inline] slab_free_hook mm/slub.c:1792 [inline] slab_free_freelist_hook mm/slub.c:1818 [inline] slab_free mm/slub.c:3801 [inline] __kmem_cache_free+0xff/0x340 mm/slub.c:3814 hiddev_release+0x408/0x520 drivers/hid/usbhid/hiddev.c:232 __fput+0x3fd/0xac0 fs/file_table.c:384 task_work_run+0x14d/0x240 kernel/task_work.c:179 exit_task_work include/linux/task_work.h:38 [inline] do_exit+0xa99/0x2990 kernel/exit.c:874 do_group_exit+0xd4/0x2a0 kernel/exit.c:1024 get_signal+0x23f3/0x2770 kernel/signal.c:2877 arch_do_signal_or_restart+0x89/0x5f0 arch/x86/kernel/signal.c:308 exit_to_user_mode_loop kernel/entry/common.c:168 [inline] exit_to_user_mode_prepare+0x116/0x1f0 kernel/entry/common.c:204 __syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline] syscall_exit_to_user_mode+0x1d/0x50 kernel/entry/common.c:297 do_syscall_64+0x44/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd The buggy address belongs to the object at ffff888107f96800 which belongs to the cache kmalloc-512 of size 512 The buggy address is located 28 bytes inside of freed 512-byte region [ffff888107f96800, ffff888107f96a00) The buggy address belongs to the physical page: page:ffffea00041fe500 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff888107f96c00 pfn:0x107f94 head:ffffea00041fe500 order:2 entire_mapcount:0 nr_pages_mapped:0 pincount:0 flags: 0x200000000010200(slab|head|node=0|zone=2) page_type: 0xffffffff() raw: 0200000000010200 ffff888100041c80 ffffea000458f710 ffff8881000407c8 raw: ffff888107f96c00 000000000010000e 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 841, tgid 841 (kworker/u4:1), ts 8034996772, free_ts 0 set_page_owner include/linux/page_owner.h:31 [inline] post_alloc_hook+0x2d2/0x350 mm/page_alloc.c:1570 prep_new_page mm/page_alloc.c:1577 [inline] get_page_from_freelist+0x10e1/0x2fd0 mm/page_alloc.c:3221 __alloc_pages+0x1d0/0x4a0 mm/page_alloc.c:4477 alloc_pages+0x1a9/0x270 mm/mempolicy.c:2279 alloc_slab_page mm/slub.c:1862 [inline] allocate_slab+0x24e/0x380 mm/slub.c:2009 new_slab mm/slub.c:2062 [inline] ___slab_alloc+0x8bc/0x1570 mm/slub.c:3215 __slab_alloc.constprop.0+0x56/0xa0 mm/slub.c:3314 __slab_alloc_node mm/slub.c:3367 [inline] slab_alloc_node mm/slub.c:3460 [inline] __kmem_cache_alloc_node+0x132/0x310 mm/slub.c:3509 kmalloc_trace+0x25/0xe0 mm/slab_common.c:1076 kmalloc include/linux/slab.h:582 [inline] kzalloc include/linux/slab.h:703 [inline] alloc_bprm+0x51/0xaf0 fs/exec.c:1513 kernel_execve+0xaf/0x4e0 fs/exec.c:1988 call_usermodehelper_exec_async+0x256/0x4c0 kernel/umh.c:110 ret_from_fork+0x2c/0x70 arch/x86/kernel/process.c:145 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:296 page_owner free stack trace missing Memory state around the buggy address: ffff888107f96700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff888107f96780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff888107f96800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff888107f96880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff888107f96900: fb fb fb fb 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