====================================================== WARNING: possible circular locking dependency detected 4.19.86-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor.2/11016 is trying to acquire lock: 0000000020cec445 (&rp->fetch_lock){+.+.}, at: mon_bin_vma_fault+0x73/0x2d0 drivers/usb/mon/mon_bin.c:1237 but task is already holding lock: 00000000f966d15a (&mm->mmap_sem){++++}, at: __mm_populate+0x270/0x380 mm/gup.c:1262 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (&mm->mmap_sem){++++}: __might_fault mm/memory.c:4638 [inline] __might_fault+0x15e/0x1e0 mm/memory.c:4623 mon_bin_fetch+0x26f/0x340 drivers/usb/mon/mon_bin.c:928 mon_bin_ioctl+0x21e/0xc80 drivers/usb/mon/mon_bin.c:1091 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0xd5f/0x1380 fs/ioctl.c:688 ksys_ioctl+0xab/0xd0 fs/ioctl.c:705 __do_sys_ioctl fs/ioctl.c:712 [inline] __se_sys_ioctl fs/ioctl.c:710 [inline] __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:710 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> #0 (&rp->fetch_lock){+.+.}: lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3903 __mutex_lock_common kernel/locking/mutex.c:925 [inline] __mutex_lock+0xf7/0x1300 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 mon_bin_vma_fault+0x73/0x2d0 drivers/usb/mon/mon_bin.c:1237 __do_fault+0x111/0x480 mm/memory.c:3269 do_cow_fault mm/memory.c:3710 [inline] do_fault mm/memory.c:3812 [inline] handle_pte_fault mm/memory.c:4041 [inline] __handle_mm_fault+0xf6d/0x3f80 mm/memory.c:4165 handle_mm_fault+0x1b5/0x690 mm/memory.c:4202 faultin_page mm/gup.c:530 [inline] __get_user_pages+0x609/0x1860 mm/gup.c:730 populate_vma_page_range+0x20d/0x2a0 mm/gup.c:1234 __mm_populate+0x204/0x380 mm/gup.c:1282 mm_populate include/linux/mm.h:2323 [inline] vm_mmap_pgoff+0x213/0x230 mm/util.c:362 ksys_mmap_pgoff+0x4aa/0x630 mm/mmap.c:1586 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:100 [inline] __se_sys_mmap arch/x86/kernel/sys_x86_64.c:91 [inline] __x64_sys_mmap+0xe9/0x1b0 arch/x86/kernel/sys_x86_64.c:91 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe other info that might help us debug this: Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&mm->mmap_sem); lock(&rp->fetch_lock); lock(&mm->mmap_sem); lock(&rp->fetch_lock); *** DEADLOCK *** 1 lock held by syz-executor.2/11016: #0: 00000000f966d15a (&mm->mmap_sem){++++}, at: __mm_populate+0x270/0x380 mm/gup.c:1262 stack backtrace: CPU: 1 PID: 11016 Comm: syz-executor.2 Not tainted 4.19.86-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x197/0x210 lib/dump_stack.c:118 print_circular_bug.isra.0.cold+0x1cc/0x28f kernel/locking/lockdep.c:1221 check_prev_add kernel/locking/lockdep.c:1861 [inline] check_prevs_add kernel/locking/lockdep.c:1974 [inline] validate_chain kernel/locking/lockdep.c:2415 [inline] __lock_acquire+0x2e19/0x49c0 kernel/locking/lockdep.c:3411 lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3903 __mutex_lock_common kernel/locking/mutex.c:925 [inline] __mutex_lock+0xf7/0x1300 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 mon_bin_vma_fault+0x73/0x2d0 drivers/usb/mon/mon_bin.c:1237 __do_fault+0x111/0x480 mm/memory.c:3269 do_cow_fault mm/memory.c:3710 [inline] do_fault mm/memory.c:3812 [inline] handle_pte_fault mm/memory.c:4041 [inline] __handle_mm_fault+0xf6d/0x3f80 mm/memory.c:4165 handle_mm_fault+0x1b5/0x690 mm/memory.c:4202 faultin_page mm/gup.c:530 [inline] __get_user_pages+0x609/0x1860 mm/gup.c:730 populate_vma_page_range+0x20d/0x2a0 mm/gup.c:1234 __mm_populate+0x204/0x380 mm/gup.c:1282 mm_populate include/linux/mm.h:2323 [inline] vm_mmap_pgoff+0x213/0x230 mm/util.c:362 ksys_mmap_pgoff+0x4aa/0x630 mm/mmap.c:1586 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:100 [inline] __se_sys_mmap arch/x86/kernel/sys_x86_64.c:91 [inline] __x64_sys_mmap+0xe9/0x1b0 arch/x86/kernel/sys_x86_64.c:91 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45a679 Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f78666a1c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 000000000045a679 RDX: 0000000001000002 RSI: 0000000000400300 RDI: 0000000020a05000 RBP: 000000000075bf20 R08: 0000000000000004 R09: 0000000000000000 R10: 0000000000008012 R11: 0000000000000246 R12: 00007f78666a26d4 R13: 00000000004c70fe R14: 00000000004dd128 R15: 00000000ffffffff kobject: 'kvm' (00000000b2e7c662): kobject_uevent_env kobject: 'kvm' (00000000b2e7c662): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000b2e7c662): kobject_uevent_env kobject: 'kvm' (00000000b2e7c662): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000b2e7c662): kobject_uevent_env kobject: 'kvm' (00000000b2e7c662): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop5' (00000000321d52fd): kobject_uevent_env kobject: 'loop5' (00000000321d52fd): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'kvm' (00000000b2e7c662): kobject_uevent_env kobject: 'kvm' (00000000b2e7c662): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop0' (000000007ae39259): kobject_uevent_env kobject: 'kvm' (00000000b2e7c662): kobject_uevent_env kobject: 'loop0' (000000007ae39259): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'kvm' (00000000b2e7c662): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000b2e7c662): kobject_uevent_env kobject: 'loop3' (000000006df24a6f): kobject_uevent_env kobject: 'loop3' (000000006df24a6f): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (00000000b2e7c662): fill_kobj_path: path = '/devices/virtual/misc/kvm' FS-Cache: Duplicate cookie detected FS-Cache: O-cookie c=00000000db0be640 [p=00000000a9bd2b28 fl=212 nc=0 na=0] FS-Cache: O-cookie d= (null) n= (null) FS-Cache: O-key=[10] '02000200000003000000' FS-Cache: N-cookie c=000000008779a034 [p=00000000a9bd2b28 fl=2 nc=0 na=1] FS-Cache: N-cookie d=000000006c0c92cf n=00000000615ef595 FS-Cache: N-key=[10] '02000200000003000000' kobject: 'loop0' (000000007ae39259): kobject_uevent_env kobject: 'loop0' (000000007ae39259): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (00000000321d52fd): kobject_uevent_env kobject: 'loop5' (00000000321d52fd): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (000000007ae39259): kobject_uevent_env kobject: 'loop0' (000000007ae39259): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop0' (000000007ae39259): kobject_uevent_env kobject: 'loop0' (000000007ae39259): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (00000000321d52fd): kobject_uevent_env kobject: 'loop5' (00000000321d52fd): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (000000006df24a6f): kobject_uevent_env kobject: 'loop3' (000000006df24a6f): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (000000007ae39259): kobject_uevent_env kobject: 'loop0' (000000007ae39259): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop0' (000000007ae39259): kobject_uevent_env kobject: 'loop0' (000000007ae39259): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (00000000321d52fd): kobject_uevent_env kobject: 'loop0' (000000007ae39259): kobject_uevent_env kobject: 'loop5' (00000000321d52fd): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (000000007ae39259): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (000000006df24a6f): kobject_uevent_env ntfs: (device loop0): read_ntfs_boot_sector(): Primary boot sector is invalid. kobject: 'loop3' (000000006df24a6f): fill_kobj_path: path = '/devices/virtual/block/loop3' ntfs: (device loop0): read_ntfs_boot_sector(): Mount option errors=recover not used. Aborting without trying to recover. ntfs: (device loop0): ntfs_fill_super(): Not an NTFS volume. kobject: 'kvm' (00000000b2e7c662): kobject_uevent_env kobject: 'loop5' (00000000321d52fd): kobject_uevent_env kobject: 'loop5' (00000000321d52fd): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'kvm' (00000000b2e7c662): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop0' (000000007ae39259): kobject_uevent_env kobject: 'loop0' (000000007ae39259): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'kvm' (00000000b2e7c662): kobject_uevent_env kobject: 'kvm' (00000000b2e7c662): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop0' (000000007ae39259): kobject_uevent_env kobject: 'loop0' (000000007ae39259): fill_kobj_path: path = '/devices/virtual/block/loop0' ntfs: (device loop0): read_ntfs_boot_sector(): Primary boot sector is invalid. ntfs: (device loop0): read_ntfs_boot_sector(): Mount option errors=recover not used. Aborting without trying to recover. ntfs: (device loop0): ntfs_fill_super(): Not an NTFS volume. kobject: 'loop5' (00000000321d52fd): kobject_uevent_env kobject: 'loop5' (00000000321d52fd): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (000000007ae39259): kobject_uevent_env kobject: 'loop0' (000000007ae39259): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'kvm' (00000000b2e7c662): kobject_uevent_env kobject: 'kvm' (00000000b2e7c662): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop5' (00000000321d52fd): kobject_uevent_env kobject: 'kvm' (00000000b2e7c662): kobject_uevent_env kobject: 'loop5' (00000000321d52fd): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (000000007ae39259): kobject_uevent_env kobject: 'kvm' (00000000b2e7c662): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop0' (000000007ae39259): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (000000006df24a6f): kobject_uevent_env kobject: 'loop3' (000000006df24a6f): fill_kobj_path: path = '/devices/virtual/block/loop3' ntfs: (device loop0): read_ntfs_boot_sector(): Primary boot sector is invalid. ntfs: (device loop0): read_ntfs_boot_sector(): Mount option errors=recover not used. Aborting without trying to recover. kobject: 'kvm' (00000000b2e7c662): kobject_uevent_env ntfs: (device loop0): ntfs_fill_super(): Not an NTFS volume. kobject: 'kvm' (00000000b2e7c662): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop0' (000000007ae39259): kobject_uevent_env kobject: 'loop0' (000000007ae39259): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (00000000321d52fd): kobject_uevent_env kobject: 'loop5' (00000000321d52fd): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'kvm' (00000000b2e7c662): kobject_uevent_env kobject: 'kvm' (00000000b2e7c662): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000b2e7c662): kobject_uevent_env kobject: 'kvm' (00000000b2e7c662): kobject_uevent_env kobject: 'kvm' (00000000b2e7c662): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop0' (000000007ae39259): kobject_uevent_env kobject: 'loop0' (000000007ae39259): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'kvm' (00000000b2e7c662): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop0' (000000007ae39259): kobject_uevent_env kobject: 'loop0' (000000007ae39259): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (00000000321d52fd): kobject_uevent_env kobject: 'loop5' (00000000321d52fd): fill_kobj_path: path = '/devices/virtual/block/loop5' ntfs: (device loop0): read_ntfs_boot_sector(): Primary boot sector is invalid. kobject: 'kvm' (00000000b2e7c662): kobject_uevent_env kobject: 'loop3' (000000006df24a6f): kobject_uevent_env kobject: 'kvm' (00000000b2e7c662): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (000000006df24a6f): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (000000007ae39259): kobject_uevent_env kobject: 'loop0' (000000007ae39259): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop0' (000000007ae39259): kobject_uevent_env kobject: 'loop0' (000000007ae39259): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (00000000321d52fd): kobject_uevent_env kobject: 'loop5' (00000000321d52fd): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'kvm' (00000000b2e7c662): kobject_uevent_env kobject: 'kvm' (00000000b2e7c662): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop0' (000000007ae39259): kobject_uevent_env kobject: 'loop0' (000000007ae39259): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop0' (000000007ae39259): kobject_uevent_env kobject: 'loop0' (000000007ae39259): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (000000006df24a6f): kobject_uevent_env kobject: 'loop3' (000000006df24a6f): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (000000007ae39259): kobject_uevent_env kobject: 'loop0' (000000007ae39259): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (00000000321d52fd): kobject_uevent_env kobject: 'loop5' (00000000321d52fd): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (000000006df24a6f): kobject_uevent_env kobject: 'loop3' (000000006df24a6f): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (00000000b2e7c662): kobject_uevent_env kobject: 'loop5' (00000000321d52fd): kobject_uevent_env kobject: 'kvm' (00000000b2e7c662): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop5' (00000000321d52fd): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'kvm' (00000000b2e7c662): kobject_uevent_env kobject: 'kvm' (00000000b2e7c662): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (000000006df24a6f): kobject_uevent_env kobject: 'loop3' (000000006df24a6f): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (000000007ae39259): kobject_uevent_env kobject: 'loop0' (000000007ae39259): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (000000006df24a6f): kobject_uevent_env kobject: 'loop3' (000000006df24a6f): fill_kobj_path: path = '/devices/virtual/block/loop3' input input72: cannot allocate more than FF_MAX_EFFECTS effects kobject: 'input72' (00000000161b0efb): kobject_cleanup, parent (null) kobject: 'input72' (00000000161b0efb): calling ktype release kobject: 'loop5' (00000000321d52fd): kobject_uevent_env kobject: 'loop5' (00000000321d52fd): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'input72': free name kobject: 'loop3' (000000006df24a6f): kobject_uevent_env kobject: 'loop3' (000000006df24a6f): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (000000007ae39259): kobject_uevent_env kobject: 'loop0' (000000007ae39259): fill_kobj_path: path = '/devices/virtual/block/loop0' input input73: cannot allocate more than FF_MAX_EFFECTS effects kobject: 'input73' (000000004285b57c): kobject_cleanup, parent (null) kobject: 'input73' (000000004285b57c): calling ktype release kobject: 'loop3' (000000006df24a6f): kobject_uevent_env kobject: 'input73': free name kobject: 'loop3' (000000006df24a6f): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (000000007ae39259): kobject_uevent_env kobject: 'loop0' (000000007ae39259): fill_kobj_path: path = '/devices/virtual/block/loop0' input input74: cannot allocate more than FF_MAX_EFFECTS effects input input75: cannot allocate more than FF_MAX_EFFECTS effects kobject: 'input74' (0000000034bc818b): kobject_cleanup, parent (null) kobject: 'input75' (000000004692aefd): kobject_cleanup, parent (null) kobject: 'input74' (0000000034bc818b): calling ktype release kobject: 'input75' (000000004692aefd): calling ktype release kobject: 'input74': free name kobject: 'input75': free name kobject: 'loop5' (00000000321d52fd): kobject_uevent_env kobject: 'loop5' (00000000321d52fd): fill_kobj_path: path = '/devices/virtual/block/loop5' input input76: cannot allocate more than FF_MAX_EFFECTS effects kobject: 'loop3' (000000006df24a6f): kobject_uevent_env kobject: 'loop3' (000000006df24a6f): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'input76' (00000000d1411261): kobject_cleanup, parent (null) kobject: 'input76' (00000000d1411261): calling ktype release input input77: cannot allocate more than FF_MAX_EFFECTS effects kobject: 'loop0' (000000007ae39259): kobject_uevent_env kobject: 'input77' (00000000f55951b4): kobject_cleanup, parent (null) kobject: 'input76': free name kobject: 'loop0' (000000007ae39259): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'input77' (00000000f55951b4): calling ktype release kobject: 'input77': free name kobject: 'loop0' (000000007ae39259): kobject_uevent_env kobject: 'loop0' (000000007ae39259): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (000000006df24a6f): kobject_uevent_env kobject: 'loop3' (000000006df24a6f): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (000000007ae39259): kobject_uevent_env kobject: 'loop0' (000000007ae39259): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop0' (000000007ae39259): kobject_uevent_env kobject: 'loop0' (000000007ae39259): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (00000000321d52fd): kobject_uevent_env kobject: 'loop5' (00000000321d52fd): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (000000006df24a6f): kobject_uevent_env kobject: 'loop3' (000000006df24a6f): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (000000007ae39259): kobject_uevent_env kobject: 'loop0' (000000007ae39259): fill_kobj_path: path = '/devices/virtual/block/loop0' vhci_hcd: USB_PORT_FEAT_BH_PORT_RESET req not supported for USB 2.0 roothub kobject: 'loop0' (000000007ae39259): kobject_uevent_env kobject: 'loop0' (000000007ae39259): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop0' (000000007ae39259): kobject_uevent_env kobject: 'loop0' (000000007ae39259): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (000000006df24a6f): kobject_uevent_env kobject: 'loop3' (000000006df24a6f): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (000000007ae39259): kobject_uevent_env vhci_hcd: USB_PORT_FEAT_BH_PORT_RESET req not supported for USB 2.0 roothub kobject: 'loop0' (000000007ae39259): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop0' (000000007ae39259): kobject_uevent_env kobject: 'loop0' (000000007ae39259): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (000000006df24a6f): kobject_uevent_env kobject: 'loop3' (000000006df24a6f): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000321d52fd): kobject_uevent_env kobject: 'input78' (00000000dcb6a13e): kobject_add_internal: parent: 'input', set: 'devices' vhci_hcd: USB_PORT_FEAT_BH_PORT_RESET req not supported for USB 2.0 roothub kobject: 'loop5' (00000000321d52fd): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'input78' (00000000dcb6a13e): kobject_uevent_env kobject: 'loop0' (000000007ae39259): kobject_uevent_env kobject: 'loop0' (000000007ae39259): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'input78' (00000000dcb6a13e): fill_kobj_path: path = '/devices/virtual/input/input78' kobject: 'loop3' (000000006df24a6f): kobject_uevent_env kobject: 'loop3' (000000006df24a6f): fill_kobj_path: path = '/devices/virtual/block/loop3' vhci_hcd: USB_PORT_FEAT_BH_PORT_RESET req not supported for USB 2.0 roothub kobject: 'loop0' (000000007ae39259): kobject_uevent_env kobject: 'input78' (00000000dcb6a13e): fill_kobj_path: path = '/devices/virtual/input/input78' kobject: 'loop0' (000000007ae39259): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (00000000321d52fd): kobject_uevent_env kobject: 'loop5' (00000000321d52fd): fill_kobj_path: path = '/devices/virtual/block/loop5' input: syz1 as /devices/virtual/input/input78 kobject: 'mouse1' (000000004e213297): kobject_add_internal: parent: 'input78', set: 'devices' kobject: 'loop5' (00000000321d52fd): kobject_uevent_env kobject: 'loop5' (00000000321d52fd): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (000000007ae39259): kobject_uevent_env kobject: 'mouse1' (000000004e213297): kobject_uevent_env kobject: 'loop0' (000000007ae39259): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop0' (000000007ae39259): kobject_uevent_env kobject: 'loop0' (000000007ae39259): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'mouse1' (000000004e213297): fill_kobj_path: path = '/devices/virtual/input/input78/mouse1' kobject: 'loop3' (000000006df24a6f): kobject_uevent_env kobject: 'event4' (000000004662076a): kobject_add_internal: parent: 'input78', set: 'devices' kobject: 'loop3' (000000006df24a6f): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (000000007ae39259): kobject_uevent_env kobject: 'event4' (000000004662076a): kobject_uevent_env kobject: 'loop0' (000000007ae39259): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'event4' (000000004662076a): fill_kobj_path: path = '/devices/virtual/input/input78/event4' kobject: 'loop5' (00000000321d52fd): kobject_uevent_env kobject: 'loop5' (00000000321d52fd): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'mouse1' (000000004e213297): kobject_uevent_env kobject: 'mouse1' (000000004e213297): fill_kobj_path: path = '/devices/virtual/input/input78/mouse1' kobject: '(null)' (0000000035d765bd): kobject_cleanup, parent 000000004e213297 kobject: '(null)' (0000000035d765bd): calling ktype release kobject: 'mouse1' (000000004e213297): kobject_cleanup, parent (null) kobject: 'mouse1' (000000004e213297): calling ktype release kobject: 'mouse1': free name kobject: 'event4' (000000004662076a): kobject_uevent_env kobject: 'event4' (000000004662076a): fill_kobj_path: path = '/devices/virtual/input/input78/event4' kobject: '(null)' (00000000bd05c74f): kobject_cleanup, parent 000000004662076a kobject: '(null)' (00000000bd05c74f): calling ktype release kobject: 'event4' (000000004662076a): kobject_cleanup, parent (null) kobject: 'event4' (000000004662076a): calling ktype release kobject: 'event4': free name kobject: 'input78' (00000000dcb6a13e): kobject_uevent_env kobject: 'input78' (00000000dcb6a13e): fill_kobj_path: path = '/devices/virtual/input/input78' kobject: 'input78' (00000000dcb6a13e): kobject_cleanup, parent (null) kobject: 'input78' (00000000dcb6a13e): calling ktype release kobject: 'input78': free name kobject: 'input79' (00000000792e87ce): kobject_add_internal: parent: 'input', set: 'devices' kobject: 'input79' (00000000792e87ce): kobject_uevent_env kobject: 'input79' (00000000792e87ce): fill_kobj_path: path = '/devices/virtual/input/input79' kobject: 'input79' (00000000792e87ce): fill_kobj_path: path = '/devices/virtual/input/input79' input: syz1 as /devices/virtual/input/input79 kobject: 'mouse1' (0000000015ef149c): kobject_add_internal: parent: 'input79', set: 'devices' kobject: 'mouse1' (0000000015ef149c): kobject_uevent_env kobject: 'mouse1' (0000000015ef149c): fill_kobj_path: path = '/devices/virtual/input/input79/mouse1' kobject: 'mouse1' (0000000015ef149c): kobject_uevent_env kobject: 'mouse1' (0000000015ef149c): fill_kobj_path: path = '/devices/virtual/input/input79/mouse1' kobject: '(null)' (00000000d908d8b7): kobject_cleanup, parent 0000000015ef149c kobject: '(null)' (00000000d908d8b7): calling ktype release kobject: 'mouse1' (0000000015ef149c): kobject_cleanup, parent (null) kobject: 'mouse1' (0000000015ef149c): calling ktype release kobject: 'mouse1': free name input: failed to attach handler mousedev to device input79, error: -4 kobject: 'event4' (000000002b52a29c): kobject_add_internal: parent: 'input79', set: 'devices' kobject: 'event4' (000000002b52a29c): kobject_uevent_env kobject: 'event4' (000000002b52a29c): fill_kobj_path: path = '/devices/virtual/input/input79/event4' kobject: 'event4' (000000002b52a29c): kobject_uevent_env kobject: 'event4' (000000002b52a29c): fill_kobj_path: path = '/devices/virtual/input/input79/event4' kobject: '(null)' (00000000234afa82): kobject_cleanup, parent 000000002b52a29c kobject: '(null)' (00000000234afa82): calling ktype release kobject: 'event4' (000000002b52a29c): kobject_cleanup, parent (null) kobject: 'event4' (000000002b52a29c): calling ktype release kobject: 'event4': free name kobject: 'input79' (00000000792e87ce): kobject_uevent_env kobject: 'input79' (00000000792e87ce): fill_kobj_path: path = '/devices/virtual/input/input79' kobject: 'input79' (00000000792e87ce): kobject_cleanup, parent (null) kobject: 'input79' (00000000792e87ce): calling ktype release kobject: 'input79': free name kobject: 'input80' (000000006876ff50): kobject_add_internal: parent: 'input', set: 'devices' kobject: 'loop5' (00000000321d52fd): kobject_uevent_env kobject: 'input80' (000000006876ff50): kobject_uevent_env kobject: 'input80' (000000006876ff50): fill_kobj_path: path = '/devices/virtual/input/input80' kobject: 'loop5' (00000000321d52fd): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'input80' (000000006876ff50): fill_kobj_path: path = '/devices/virtual/input/input80' input: syz1 as /devices/virtual/input/input80 kobject: 'input81' (00000000aa97e65f): kobject_add_internal: parent: 'input', set: 'devices' kobject: 'loop0' (000000007ae39259): kobject_uevent_env kobject: 'mouse1' (00000000d51a3567): kobject_add_internal: parent: 'input80', set: 'devices' kobject: 'input81' (00000000aa97e65f): kobject_uevent_env kobject: 'loop0' (000000007ae39259): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'input81' (00000000aa97e65f): fill_kobj_path: path = '/devices/virtual/input/input81' kobject: 'mouse1' (00000000d51a3567): kobject_uevent_env kobject: 'loop3' (000000006df24a6f): kobject_uevent_env kobject: 'loop3' (000000006df24a6f): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'mouse1' (00000000d51a3567): fill_kobj_path: path = '/devices/virtual/input/input80/mouse1' kobject: 'input81' (00000000aa97e65f): fill_kobj_path: path = '/devices/virtual/input/input81' kobject: 'loop5' (00000000321d52fd): kobject_uevent_env kobject: 'loop5' (00000000321d52fd): fill_kobj_path: path = '/devices/virtual/block/loop5' input: syz1 as /devices/virtual/input/input81 kobject: 'event4' (0000000081b55310): kobject_add_internal: parent: 'input80', set: 'devices' kobject: 'loop3' (000000006df24a6f): kobject_uevent_env kobject: 'loop3' (000000006df24a6f): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'event4' (0000000081b55310): kobject_uevent_env kobject: 'loop3' (000000006df24a6f): kobject_uevent_env kobject: 'loop3' (000000006df24a6f): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'event4' (0000000081b55310): fill_kobj_path: path = '/devices/virtual/input/input80/event4' kobject: 'mouse2' (00000000fc7cab2e): kobject_add_internal: parent: 'input81', set: 'devices' kobject: 'mouse2' (00000000fc7cab2e): kobject_uevent_env kobject: 'mouse2' (00000000fc7cab2e): fill_kobj_path: path = '/devices/virtual/input/input81/mouse2' kobject: 'event5' (00000000c501f8f7): kobject_add_internal: parent: 'input81', set: 'devices' kobject: 'event5' (00000000c501f8f7): kobject_uevent_env kobject: 'event5' (00000000c501f8f7): fill_kobj_path: path = '/devices/virtual/input/input81/event5' kobject: 'mouse1' (00000000d51a3567): kobject_uevent_env kobject: 'mouse1' (00000000d51a3567): fill_kobj_path: path = '/devices/virtual/input/input80/mouse1' kobject: '(null)' (000000004d10231a): kobject_cleanup, parent 00000000d51a3567 kobject: '(null)' (000000004d10231a): calling ktype release kobject: 'mouse1' (00000000d51a3567): kobject_cleanup, parent (null) kobject: 'mouse1' (00000000d51a3567): calling ktype release kobject: 'mouse1': free name kobject: 'event4' (0000000081b55310): kobject_uevent_env kobject: 'event4' (0000000081b55310): fill_kobj_path: path = '/devices/virtual/input/input80/event4' kobject: '(null)' (000000008ce68fb9): kobject_cleanup, parent 0000000081b55310 kobject: '(null)' (000000008ce68fb9): calling ktype release kobject: 'event4' (0000000081b55310): kobject_cleanup, parent (null) kobject: 'event4' (0000000081b55310): calling ktype release kobject: 'event4': free name kobject: 'mouse2' (00000000fc7cab2e): kobject_uevent_env kobject: 'input80' (000000006876ff50): kobject_uevent_env kobject: 'mouse2' (00000000fc7cab2e): fill_kobj_path: path = '/devices/virtual/input/input81/mouse2' kobject: 'input80' (000000006876ff50): fill_kobj_path: path = '/devices/virtual/input/input80' kobject: '(null)' (00000000910b2911): kobject_cleanup, parent 00000000fc7cab2e kobject: 'input80' (000000006876ff50): kobject_cleanup, parent (null) kobject: '(null)' (00000000910b2911): calling ktype release kobject: 'input80' (000000006876ff50): calling ktype release kobject: 'input80': free name kobject: 'mouse2' (00000000fc7cab2e): kobject_cleanup, parent (null) kobject: '0:51' (00000000fbef6715): kobject_add_internal: parent: 'bdi', set: 'devices' kobject: 'input82' (00000000047745b8): kobject_add_internal: parent: 'input', set: 'devices' kobject: '0:51' (00000000fbef6715): kobject_uevent_env kobject: 'mouse2' (00000000fc7cab2e): calling ktype release kobject: '0:51' (00000000fbef6715): fill_kobj_path: path = '/devices/virtual/bdi/0:51' kobject: 'mouse2': free name kobject: 'input82' (00000000047745b8): kobject_uevent_env kobject: 'event5' (00000000c501f8f7): kobject_uevent_env kobject: 'input82' (00000000047745b8): fill_kobj_path: path = '/devices/virtual/input/input82' kobject: '0:52' (000000001e8a76a7): kobject_add_internal: parent: 'bdi', set: 'devices' kobject: 'input82' (00000000047745b8): fill_kobj_path: path = '/devices/virtual/input/input82' kobject: 'event5' (00000000c501f8f7): fill_kobj_path: path = '/devices/virtual/input/input81/event5' input: syz1 as /devices/virtual/input/input82 kobject: '0:52' (000000001e8a76a7): kobject_uevent_env kobject: '0:52' (000000001e8a76a7): fill_kobj_path: path = '/devices/virtual/bdi/0:52' kobject: '(null)' (000000002e4c5056): kobject_cleanup, parent 00000000c501f8f7 kobject: '(null)' (000000002e4c5056): calling ktype release kobject: 'event5' (00000000c501f8f7): kobject_cleanup, parent (null) kobject: 'event5' (00000000c501f8f7): calling ktype release kobject: 'event5': free name kobject: '0:52' (000000001e8a76a7): kobject_uevent_env kobject: 'input81' (00000000aa97e65f): kobject_uevent_env kobject: 'mouse1' (00000000c499e259): kobject_add_internal: parent: 'input82', set: 'devices' kobject: 'input81' (00000000aa97e65f): fill_kobj_path: path = '/devices/virtual/input/input81' kobject: '0:52' (000000001e8a76a7): fill_kobj_path: path = '/devices/virtual/bdi/0:52' kobject: 'input81' (00000000aa97e65f): kobject_cleanup, parent (null) kobject: '0:52' (000000001e8a76a7): kobject_cleanup, parent (null) kobject: 'input81' (00000000aa97e65f): calling ktype release kobject: 'mouse1' (00000000c499e259): kobject_uevent_env kobject: 'input81': free name kobject: '0:52' (000000001e8a76a7): calling ktype release kobject: 'mouse1' (00000000c499e259): fill_kobj_path: path = '/devices/virtual/input/input82/mouse1' kobject: '0:52': free name kobject: 'loop0' (000000007ae39259): kobject_uevent_env kobject: 'loop0' (000000007ae39259): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'event4' (00000000f3bd1764): kobject_add_internal: parent: 'input82', set: 'devices' kobject: 'event4' (00000000f3bd1764): kobject_uevent_env kobject: 'input83' (000000000ddd0764): kobject_add_internal: parent: 'input', set: 'devices' kobject: 'event4' (00000000f3bd1764): fill_kobj_path: path = '/devices/virtual/input/input82/event4' kobject: '0:51' (00000000fbef6715): kobject_uevent_env kobject: 'loop5' (00000000321d52fd): kobject_uevent_env kobject: '0:51' (00000000fbef6715): fill_kobj_path: path = '/devices/virtual/bdi/0:51' kobject: 'mouse1' (00000000c499e259): kobject_uevent_env kobject: 'input83' (000000000ddd0764): kobject_uevent_env kobject: 'loop5' (00000000321d52fd): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: '0:51' (00000000fbef6715): kobject_cleanup, parent (null) kobject: 'mouse1' (00000000c499e259): fill_kobj_path: path = '/devices/virtual/input/input82/mouse1' kobject: '0:51' (00000000fbef6715): calling ktype release kobject: '0:51': free name kobject: 'input83' (000000000ddd0764): fill_kobj_path: path = '/devices/virtual/input/input83' kobject: '(null)' (0000000048cc7da4): kobject_cleanup, parent 00000000c499e259 kobject: 'input83' (000000000ddd0764): fill_kobj_path: path = '/devices/virtual/input/input83' kobject: 'loop3' (000000006df24a6f): kobject_uevent_env input: syz1 as /devices/virtual/input/input83 kobject: 'loop3' (000000006df24a6f): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: '(null)' (0000000048cc7da4): calling ktype release kobject: '0:51' (0000000026ccbde9): kobject_add_internal: parent: 'bdi', set: 'devices' kobject: 'loop5' (00000000321d52fd): kobject_uevent_env kobject: '0:51' (0000000026ccbde9): kobject_uevent_env kobject: 'loop5' (00000000321d52fd): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'mouse1' (00000000c499e259): kobject_cleanup, parent (null) kobject: '0:51' (0000000026ccbde9): fill_kobj_path: path = '/devices/virtual/bdi/0:51' kobject: 'mouse1' (00000000c499e259): calling ktype release kobject: 'mouse1': free name kobject: 'event4' (00000000f3bd1764): kobject_uevent_env kobject: 'event4' (00000000f3bd1764): fill_kobj_path: path = '/devices/virtual/input/input82/event4' kobject: '(null)' (000000007facc8bd): kobject_cleanup, parent 00000000f3bd1764 kobject: '(null)' (000000007facc8bd): calling ktype release kobject: '0:51' (0000000026ccbde9): kobject_uevent_env kobject: '0:51' (0000000026ccbde9): fill_kobj_path: path = '/devices/virtual/bdi/0:51' kobject: '0:51' (0000000026ccbde9): kobject_cleanup, parent (null) kobject: 'event4' (00000000f3bd1764): kobject_cleanup, parent (null) kobject: '0:51' (0000000026ccbde9): calling ktype release kobject: '0:51': free name kobject: 'event4' (00000000f3bd1764): calling ktype release kobject: 'loop3' (000000006df24a6f): kobject_uevent_env kobject: 'loop3' (000000006df24a6f): fill_kobj_path: path = '/devices/virtual/block/loop3'