audit: type=1400 audit(1575750060.187:54): avc:  denied  { map } for  pid=11570 comm="syz-executor.3" path="/dev/usbmon0" dev="devtmpfs" ino=17105 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:usbmon_device_t:s0 tclass=chr_file permissive=1
======================================================
WARNING: possible circular locking dependency detected
4.14.158-syzkaller #0 Not tainted
------------------------------------------------------
syz-executor.3/11574 is trying to acquire lock:
 (&rp->fetch_lock){+.+.}, at: [<ffffffff843c5a4f>] mon_bin_vma_fault+0x6f/0x280 drivers/usb/mon/mon_bin.c:1236

but task is already holding lock:
 (&mm->mmap_sem){++++}, at: [<ffffffff817cd9c5>] __mm_populate+0x1e5/0x2c0 mm/gup.c:1259

which lock already depends on the new lock.


the existing dependency chain (in reverse order) is:

-> #1 (&mm->mmap_sem){++++}:
       lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3994
       __might_fault mm/memory.c:4584 [inline]
       __might_fault+0x143/0x1d0 mm/memory.c:4569
       _copy_to_user+0x2c/0xd0 lib/usercopy.c:25
       copy_to_user include/linux/uaccess.h:155 [inline]
       mon_bin_get_event+0x10a/0x430 drivers/usb/mon/mon_bin.c:756
       mon_bin_ioctl+0x9b4/0xb50 drivers/usb/mon/mon_bin.c:1067
       vfs_ioctl fs/ioctl.c:46 [inline]
       file_ioctl fs/ioctl.c:500 [inline]
       do_vfs_ioctl+0x7ae/0x1060 fs/ioctl.c:684
       SYSC_ioctl fs/ioctl.c:701 [inline]
       SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692
       do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292
       entry_SYSCALL_64_after_hwframe+0x42/0xb7

-> #0 (&rp->fetch_lock){+.+.}:
       check_prev_add kernel/locking/lockdep.c:1901 [inline]
       check_prevs_add kernel/locking/lockdep.c:2018 [inline]
       validate_chain kernel/locking/lockdep.c:2460 [inline]
       __lock_acquire+0x2cb3/0x4620 kernel/locking/lockdep.c:3487
       lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3994
       __mutex_lock_common kernel/locking/mutex.c:756 [inline]
       __mutex_lock+0xe8/0x1470 kernel/locking/mutex.c:893
       mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908
       mon_bin_vma_fault+0x6f/0x280 drivers/usb/mon/mon_bin.c:1236
       __do_fault+0x104/0x390 mm/memory.c:3223
       do_cow_fault mm/memory.c:3662 [inline]
       do_fault mm/memory.c:3761 [inline]
       handle_pte_fault mm/memory.c:3989 [inline]
       __handle_mm_fault+0xd96/0x33d0 mm/memory.c:4113
       handle_mm_fault+0x293/0x7c0 mm/memory.c:4150
       faultin_page mm/gup.c:514 [inline]
       __get_user_pages+0x465/0x12e0 mm/gup.c:714
       populate_vma_page_range+0x18e/0x230 mm/gup.c:1231
       __mm_populate+0x198/0x2c0 mm/gup.c:1279
       mm_populate include/linux/mm.h:2182 [inline]
       vm_mmap_pgoff+0x1be/0x1d0 mm/util.c:338
       SYSC_mmap_pgoff mm/mmap.c:1551 [inline]
       SyS_mmap_pgoff+0x3ca/0x520 mm/mmap.c:1509
       SYSC_mmap arch/x86/kernel/sys_x86_64.c:100 [inline]
       SyS_mmap+0x16/0x20 arch/x86/kernel/sys_x86_64.c:91
       do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292
       entry_SYSCALL_64_after_hwframe+0x42/0xb7

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.3/11574:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff817cd9c5>] __mm_populate+0x1e5/0x2c0 mm/gup.c:1259

stack backtrace:
CPU: 1 PID: 11574 Comm: syz-executor.3 Not tainted 4.14.158-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x142/0x197 lib/dump_stack.c:58
 print_circular_bug.isra.0.cold+0x1cc/0x28f kernel/locking/lockdep.c:1258
 check_prev_add kernel/locking/lockdep.c:1901 [inline]
 check_prevs_add kernel/locking/lockdep.c:2018 [inline]
 validate_chain kernel/locking/lockdep.c:2460 [inline]
 __lock_acquire+0x2cb3/0x4620 kernel/locking/lockdep.c:3487
 lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3994
 __mutex_lock_common kernel/locking/mutex.c:756 [inline]
 __mutex_lock+0xe8/0x1470 kernel/locking/mutex.c:893
 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908
 mon_bin_vma_fault+0x6f/0x280 drivers/usb/mon/mon_bin.c:1236
 __do_fault+0x104/0x390 mm/memory.c:3223
 do_cow_fault mm/memory.c:3662 [inline]
 do_fault mm/memory.c:3761 [inline]
 handle_pte_fault mm/memory.c:3989 [inline]
 __handle_mm_fault+0xd96/0x33d0 mm/memory.c:4113
 handle_mm_fault+0x293/0x7c0 mm/memory.c:4150
 faultin_page mm/gup.c:514 [inline]
 __get_user_pages+0x465/0x12e0 mm/gup.c:714
 populate_vma_page_range+0x18e/0x230 mm/gup.c:1231
 __mm_populate+0x198/0x2c0 mm/gup.c:1279
 mm_populate include/linux/mm.h:2182 [inline]
 vm_mmap_pgoff+0x1be/0x1d0 mm/util.c:338
 SYSC_mmap_pgoff mm/mmap.c:1551 [inline]
 SyS_mmap_pgoff+0x3ca/0x520 mm/mmap.c:1509
 SYSC_mmap arch/x86/kernel/sys_x86_64.c:100 [inline]
 SyS_mmap+0x16/0x20 arch/x86/kernel/sys_x86_64.c:91
 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x45a6f9
RSP: 002b:00007fe61a939c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 000000000045a6f9
RDX: 0000000001000002 RSI: 0000000000400300 RDI: 0000000020a05000
RBP: 000000000075bf20 R08: 0000000000000004 R09: 0000000000000000
R10: 0000000000008012 R11: 0000000000000246 R12: 00007fe61a93a6d4
R13: 00000000004c7982 R14: 00000000004de760 R15: 00000000ffffffff
kobject: 'loop0' (ffff8880a47da320): kobject_uevent_env
kobject: 'loop0' (ffff8880a47da320): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'kvm' (ffff8882194c0910): kobject_uevent_env
kobject: 'loop5' (ffff8880a416f6a0): kobject_uevent_env
kobject: 'kvm' (ffff8882194c0910): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop5' (ffff8880a416f6a0): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'kvm' (ffff8882194c0910): kobject_uevent_env
kobject: 'loop3' (ffff8880a40b8d20): kobject_uevent_env
kobject: 'loop3' (ffff8880a40b8d20): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'kvm' (ffff8882194c0910): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop2' (ffff8880a406a420): kobject_uevent_env
kobject: 'loop2' (ffff8880a406a420): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'rx-0' (ffff8880a96cacd0): kobject_cleanup, parent ffff8880913da648
kobject: 'kvm' (ffff8882194c0910): kobject_uevent_env
kobject: 'rx-0' (ffff8880a96cacd0): auto cleanup 'remove' event
kobject: 'kvm' (ffff8882194c0910): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'rx-0' (ffff8880a96cacd0): kobject_uevent_env
kobject: 'loop3' (ffff8880a40b8d20): kobject_uevent_env
kobject: 'loop3' (ffff8880a40b8d20): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'kvm' (ffff8882194c0910): kobject_uevent_env
kobject: 'rx-0' (ffff8880a96cacd0): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'kvm' (ffff8882194c0910): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop1' (ffff8880a40363a0): kobject_uevent_env
kobject: 'loop1' (ffff8880a40363a0): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'rx-0' (ffff8880a96cacd0): auto cleanup kobject_del
kobject: 'rx-0' (ffff8880a96cacd0): calling ktype release
kobject: 'loop4' (ffff8880a4115620): kobject_uevent_env
kobject: 'rx-0': free name
kobject: 'loop4' (ffff8880a4115620): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'tx-0' (ffff888088c68d58): kobject_cleanup, parent ffff8880913da648
kobject: 'loop1' (ffff8880a40363a0): kobject_uevent_env
kobject: 'tx-0' (ffff888088c68d58): auto cleanup 'remove' event
kobject: 'loop1' (ffff8880a40363a0): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'tx-0' (ffff888088c68d58): kobject_uevent_env
kobject: 'tx-0' (ffff888088c68d58): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'kvm' (ffff8882194c0910): kobject_uevent_env
kobject: 'kvm' (ffff8882194c0910): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'tx-0' (ffff888088c68d58): auto cleanup kobject_del
kobject: 'kvm' (ffff8882194c0910): kobject_uevent_env
kobject: 'tx-0' (ffff888088c68d58): calling ktype release
kobject: 'kvm' (ffff8882194c0910): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'tx-0': free name
kobject: 'queues' (ffff8880913da648): kobject_cleanup, parent           (null)
kobject: 'queues' (ffff8880913da648): calling ktype release
kobject: 'loop1' (ffff8880a40363a0): kobject_uevent_env
kobject: 'queues' (ffff8880913da648): kset_release
kobject: 'loop1' (ffff8880a40363a0): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'queues': free name
kobject: 'ip6gre0' (ffff88808fc92870): kobject_uevent_env
kobject: 'ip6gre0' (ffff88808fc92870): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'loop5' (ffff8880a416f6a0): kobject_uevent_env
kobject: 'ip6gre0' (ffff88808fc92870): kobject_cleanup, parent           (null)
kobject: 'ip6gre0' (ffff88808fc92870): calling ktype release
kobject: 'loop5' (ffff8880a416f6a0): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'ip6gre0': free name
kobject: 'loop3' (ffff8880a40b8d20): kobject_uevent_env
kobject: 'loop3' (ffff8880a40b8d20): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'rx-0' (ffff888097c89f10): kobject_cleanup, parent ffff8880913da148
kobject: 'rx-0' (ffff888097c89f10): auto cleanup 'remove' event
kobject: 'rx-0' (ffff888097c89f10): kobject_uevent_env
kobject: 'rx-0' (ffff888097c89f10): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'rx-0' (ffff888097c89f10): auto cleanup kobject_del
kobject: 'rx-0' (ffff888097c89f10): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (ffff888092637c98): kobject_cleanup, parent ffff8880913da148
kobject: 'tx-0' (ffff888092637c98): auto cleanup 'remove' event
kobject: 'tx-0' (ffff888092637c98): kobject_uevent_env
kobject: 'tx-0' (ffff888092637c98): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'tx-0' (ffff888092637c98): auto cleanup kobject_del
kobject: 'tx-0' (ffff888092637c98): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (ffff8880913da148): kobject_cleanup, parent           (null)
kobject: 'queues' (ffff8880913da148): calling ktype release
kobject: 'queues' (ffff8880913da148): kset_release
kobject: 'queues': free name
kobject: 'ip6tnl0' (ffff888088b9c670): kobject_uevent_env
kobject: 'ip6tnl0' (ffff888088b9c670): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'loop0' (ffff8880a47da320): kobject_uevent_env
kobject: 'loop0' (ffff8880a47da320): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'ip6tnl0' (ffff888088b9c670): kobject_cleanup, parent           (null)
kobject: 'ip6tnl0' (ffff888088b9c670): calling ktype release
kobject: 'ip6tnl0': free name
kobject: 'rx-0' (ffff88805e18d310): kobject_cleanup, parent ffff8880913dac48
kobject: 'rx-0' (ffff88805e18d310): auto cleanup 'remove' event
kobject: 'rx-0' (ffff88805e18d310): kobject_uevent_env
kobject: 'rx-0' (ffff88805e18d310): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'rx-0' (ffff88805e18d310): auto cleanup kobject_del
kobject: 'rx-0' (ffff88805e18d310): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (ffff88807f6a7518): kobject_cleanup, parent ffff8880913dac48
kobject: 'tx-0' (ffff88807f6a7518): auto cleanup 'remove' event
kobject: 'tx-0' (ffff88807f6a7518): kobject_uevent_env
kobject: 'tx-0' (ffff88807f6a7518): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'tx-0' (ffff88807f6a7518): auto cleanup kobject_del
kobject: 'tx-0' (ffff88807f6a7518): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (ffff8880913dac48): kobject_cleanup, parent           (null)
kobject: 'queues' (ffff8880913dac48): calling ktype release
kobject: 'loop2' (ffff8880a406a420): kobject_uevent_env
kobject: 'loop2' (ffff8880a406a420): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'queues' (ffff8880913dac48): kset_release
kobject: 'queues': free name
kobject: 'sit0' (ffff8880990791f0): kobject_uevent_env
kobject: 'sit0' (ffff8880990791f0): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'loop5' (ffff8880a416f6a0): kobject_uevent_env
kobject: 'loop5' (ffff8880a416f6a0): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'sit0' (ffff8880990791f0): kobject_cleanup, parent           (null)
kobject: 'sit0' (ffff8880990791f0): calling ktype release
kobject: 'sit0': free name
kobject: 'loop5' (ffff8880a416f6a0): kobject_uevent_env
kobject: 'rx-0' (ffff88805e18d250): kobject_cleanup, parent ffff88808b0ae648
kobject: 'loop5' (ffff8880a416f6a0): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'rx-0' (ffff88805e18d250): auto cleanup 'remove' event
kobject: 'loop4' (ffff8880a4115620): kobject_uevent_env
kobject: 'rx-0' (ffff88805e18d250): kobject_uevent_env
kobject: 'loop4' (ffff8880a4115620): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'rx-0' (ffff88805e18d250): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'loop3' (ffff8880a40b8d20): kobject_uevent_env
kobject: 'loop3' (ffff8880a40b8d20): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'rx-0' (ffff88805e18d250): auto cleanup kobject_del
kobject: 'rx-0' (ffff88805e18d250): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (ffff8880a8f18cd8): kobject_cleanup, parent ffff88808b0ae648
kobject: 'loop5' (ffff8880a416f6a0): kobject_uevent_env
kobject: 'loop5' (ffff8880a416f6a0): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'tx-0' (ffff8880a8f18cd8): auto cleanup 'remove' event
kobject: 'loop5' (ffff8880a416f6a0): kobject_uevent_env
kobject: 'loop5' (ffff8880a416f6a0): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'tx-0' (ffff8880a8f18cd8): kobject_uevent_env
kobject: 'loop1' (ffff8880a40363a0): kobject_uevent_env
kobject: 'loop1' (ffff8880a40363a0): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'tx-0' (ffff8880a8f18cd8): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'loop3' (ffff8880a40b8d20): kobject_uevent_env
kobject: 'tx-0' (ffff8880a8f18cd8): auto cleanup kobject_del
kobject: 'loop3' (ffff8880a40b8d20): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'tx-0' (ffff8880a8f18cd8): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (ffff88808b0ae648): kobject_cleanup, parent           (null)
kobject: 'queues' (ffff88808b0ae648): calling ktype release
kobject: 'queues' (ffff88808b0ae648): kset_release
kobject: 'queues': free name
kobject: 'ip6_vti0' (ffff88808a576ff0): kobject_uevent_env
kobject: 'ip6_vti0' (ffff88808a576ff0): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'ip6_vti0' (ffff88808a576ff0): kobject_cleanup, parent           (null)
kobject: 'loop5' (ffff8880a416f6a0): kobject_uevent_env
kobject: 'ip6_vti0' (ffff88808a576ff0): calling ktype release
kobject: 'loop5' (ffff8880a416f6a0): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'ip6_vti0': free name
kobject: 'rx-0' (ffff88805f290c10): kobject_cleanup, parent ffff88809fab5d48
kobject: 'loop0' (ffff8880a47da320): kobject_uevent_env
kobject: 'rx-0' (ffff88805f290c10): auto cleanup 'remove' event
kobject: 'rx-0' (ffff88805f290c10): kobject_uevent_env
kobject: 'rx-0' (ffff88805f290c10): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'loop0' (ffff8880a47da320): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'rx-0' (ffff88805f290c10): auto cleanup kobject_del
kobject: 'rx-0' (ffff88805f290c10): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (ffff888099bfba58): kobject_cleanup, parent ffff88809fab5d48
kobject: 'tx-0' (ffff888099bfba58): auto cleanup 'remove' event
kobject: 'tx-0' (ffff888099bfba58): kobject_uevent_env
kobject: 'tx-0' (ffff888099bfba58): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'tx-0' (ffff888099bfba58): auto cleanup kobject_del
kobject: 'tx-0' (ffff888099bfba58): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (ffff88809fab5d48): kobject_cleanup, parent           (null)
kobject: 'queues' (ffff88809fab5d48): calling ktype release
kobject: 'queues' (ffff88809fab5d48): kset_release
kobject: 'loop2' (ffff8880a406a420): kobject_uevent_env
kobject: 'queues': free name
kobject: 'loop2' (ffff8880a406a420): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'ip_vti0' (ffff888092088db0): kobject_uevent_env
kobject: 'ip_vti0' (ffff888092088db0): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'loop2' (ffff8880a406a420): kobject_uevent_env
kobject: 'loop2' (ffff8880a406a420): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'ip_vti0' (ffff888092088db0): kobject_cleanup, parent           (null)
kobject: 'ip_vti0' (ffff888092088db0): calling ktype release
kobject: 'loop2' (ffff8880a406a420): kobject_uevent_env
kobject: 'ip_vti0': free name
kobject: 'loop2' (ffff8880a406a420): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'batman_adv' (ffff888092fe1380): kobject_uevent_env
kobject: 'batman_adv' (ffff888092fe1380): kobject_uevent_env: filter function caused the event to drop!
kobject: 'batman_adv' (ffff888092fe1380): kobject_cleanup, parent           (null)
kobject: 'loop4' (ffff8880a4115620): kobject_uevent_env
kobject: 'loop4' (ffff8880a4115620): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'batman_adv' (ffff888092fe1380): calling ktype release
kobject: (ffff888092fe1380): dynamic_kobj_release
kobject: 'loop2' (ffff8880a406a420): kobject_uevent_env
kobject: 'batman_adv': free name
kobject: 'loop2' (ffff8880a406a420): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'rx-0' (ffff88809d56e3d0): kobject_cleanup, parent ffff8880a8dbbf48
kobject: 'loop5' (ffff8880a416f6a0): kobject_uevent_env
kobject: 'rx-0' (ffff88809d56e3d0): auto cleanup 'remove' event
kobject: 'loop5' (ffff8880a416f6a0): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'rx-0' (ffff88809d56e3d0): kobject_uevent_env
kobject: 'rx-0' (ffff88809d56e3d0): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'loop3' (ffff8880a40b8d20): kobject_uevent_env
kobject: 'rx-0' (ffff88809d56e3d0): auto cleanup kobject_del
kobject: 'loop3' (ffff8880a40b8d20): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'rx-0' (ffff88809d56e3d0): calling ktype release
kobject: 'loop2' (ffff8880a406a420): kobject_uevent_env
kobject: 'rx-0': free name
kobject: 'tx-0' (ffff888093b1e2d8): kobject_cleanup, parent ffff8880a8dbbf48
kobject: 'tx-0' (ffff888093b1e2d8): auto cleanup 'remove' event
kobject: 'tx-0' (ffff888093b1e2d8): kobject_uevent_env
kobject: 'tx-0' (ffff888093b1e2d8): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'loop2' (ffff8880a406a420): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'tx-0' (ffff888093b1e2d8): auto cleanup kobject_del
kobject: 'tx-0' (ffff888093b1e2d8): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (ffff8880a8dbbf48): kobject_cleanup, parent           (null)
kobject: 'loop1' (ffff8880a40363a0): kobject_uevent_env
kobject: 'queues' (ffff8880a8dbbf48): calling ktype release
kobject: 'queues' (ffff8880a8dbbf48): kset_release
kobject: 'loop1' (ffff8880a40363a0): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'queues': free name
kobject: 'loop3' (ffff8880a40b8d20): kobject_uevent_env
kobject: 'erspan0' (ffff88805c138970): kobject_uevent_env
kobject: 'loop3' (ffff8880a40b8d20): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'erspan0' (ffff88805c138970): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'loop4' (ffff8880a4115620): kobject_uevent_env
kobject: 'loop4' (ffff8880a4115620): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop0' (ffff8880a47da320): kobject_uevent_env
kobject: 'erspan0' (ffff88805c138970): kobject_cleanup, parent           (null)
kobject: 'erspan0' (ffff88805c138970): calling ktype release
kobject: 'erspan0': free name
kobject: 'loop0' (ffff8880a47da320): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'batman_adv' (ffff8880a7624080): kobject_uevent_env
kobject: 'loop4' (ffff8880a4115620): kobject_uevent_env
kobject: 'batman_adv' (ffff8880a7624080): kobject_uevent_env: filter function caused the event to drop!
kobject: 'batman_adv' (ffff8880a7624080): kobject_cleanup, parent           (null)
kobject: 'batman_adv' (ffff8880a7624080): calling ktype release
kobject: (ffff8880a7624080): dynamic_kobj_release
kobject: 'batman_adv': free name
kobject: 'rx-0' (ffff88809d56e190): kobject_cleanup, parent ffff888098668748
kobject: 'loop4' (ffff8880a4115620): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'rx-0' (ffff88809d56e190): auto cleanup 'remove' event
kobject: 'loop0' (ffff8880a47da320): kobject_uevent_env
kobject: 'rx-0' (ffff88809d56e190): kobject_uevent_env
kobject: 'loop0' (ffff8880a47da320): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'rx-0' (ffff88809d56e190): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'loop2' (ffff8880a406a420): kobject_uevent_env
kobject: 'rx-0' (ffff88809d56e190): auto cleanup kobject_del
kobject: 'loop2' (ffff8880a406a420): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'rx-0' (ffff88809d56e190): calling ktype release
kobject: 'loop5' (ffff8880a416f6a0): kobject_uevent_env
kobject: 'rx-0': free name
kobject: 'loop5' (ffff8880a416f6a0): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'tx-0' (ffff8880a5eb3858): kobject_cleanup, parent ffff888098668748
kobject: 'loop5' (ffff8880a416f6a0): kobject_uevent_env
kobject: 'tx-0' (ffff8880a5eb3858): auto cleanup 'remove' event
kobject: 'loop5' (ffff8880a416f6a0): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'tx-0' (ffff8880a5eb3858): kobject_uevent_env
kobject: 'loop2' (ffff8880a406a420): kobject_uevent_env
kobject: 'tx-0' (ffff8880a5eb3858): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'loop2' (ffff8880a406a420): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'tx-0' (ffff8880a5eb3858): auto cleanup kobject_del
kobject: 'loop4' (ffff8880a4115620): kobject_uevent_env
kobject: 'tx-0' (ffff8880a5eb3858): calling ktype release
kobject: 'loop4' (ffff8880a4115620): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'tx-0': free name
kobject: 'loop0' (ffff8880a47da320): kobject_uevent_env
kobject: 'queues' (ffff888098668748): kobject_cleanup, parent           (null)
kobject: 'loop0' (ffff8880a47da320): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'queues' (ffff888098668748): calling ktype release
kobject: 'queues' (ffff888098668748): kset_release
kobject: 'queues': free name
kobject: 'gretap0' (ffff88805c57ebb0): kobject_uevent_env
kobject: 'gretap0' (ffff88805c57ebb0): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'gretap0' (ffff88805c57ebb0): kobject_cleanup, parent           (null)
kobject: 'gretap0' (ffff88805c57ebb0): calling ktype release
kobject: 'gretap0': free name
kobject: 'rx-0' (ffff88808bd3cf10): kobject_cleanup, parent ffff888092c9a948
kobject: 'rx-0' (ffff88808bd3cf10): auto cleanup 'remove' event
kobject: 'rx-0' (ffff88808bd3cf10): kobject_uevent_env
kobject: 'rx-0' (ffff88808bd3cf10): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'rx-0' (ffff88808bd3cf10): auto cleanup kobject_del
kobject: 'rx-0' (ffff88808bd3cf10): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (ffff888090fc7a98): kobject_cleanup, parent ffff888092c9a948
kobject: 'tx-0' (ffff888090fc7a98): auto cleanup 'remove' event
kobject: 'tx-0' (ffff888090fc7a98): kobject_uevent_env
kobject: 'tx-0' (ffff888090fc7a98): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'tx-0' (ffff888090fc7a98): auto cleanup kobject_del
kobject: 'tx-0' (ffff888090fc7a98): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (ffff888092c9a948): kobject_cleanup, parent           (null)
kobject: 'queues' (ffff888092c9a948): calling ktype release
kobject: 'queues' (ffff888092c9a948): kset_release
kobject: 'queues': free name
kobject: 'gre0' (ffff88805c1dcbf0): kobject_uevent_env
kobject: 'gre0' (ffff88805c1dcbf0): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'loop1' (ffff8880a40363a0): kobject_uevent_env
kobject: 'loop1' (ffff8880a40363a0): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'gre0' (ffff88805c1dcbf0): kobject_cleanup, parent           (null)
kobject: 'loop2' (ffff8880a406a420): kobject_uevent_env
kobject: 'loop2' (ffff8880a406a420): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'gre0' (ffff88805c1dcbf0): calling ktype release
kobject: 'gre0': free name
kobject: 'loop5' (ffff8880a416f6a0): kobject_uevent_env
kobject: 'rx-0' (ffff8880802a7f10): kobject_cleanup, parent ffff888092c9ae48
kobject: 'loop5' (ffff8880a416f6a0): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'kvm' (ffff8882194c0910): kobject_uevent_env
kobject: 'loop3' (ffff8880a40b8d20): kobject_uevent_env
kobject: 'loop3' (ffff8880a40b8d20): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'rx-0' (ffff8880802a7f10): auto cleanup 'remove' event
kobject: 'kvm' (ffff8882194c0910): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop4' (ffff8880a4115620): kobject_uevent_env
kobject: 'loop4' (ffff8880a4115620): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop0' (ffff8880a47da320): kobject_uevent_env
kobject: 'rx-0' (ffff8880802a7f10): kobject_uevent_env
kobject: 'rx-0' (ffff8880802a7f10): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'loop0' (ffff8880a47da320): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'kvm' (ffff8882194c0910): kobject_uevent_env
kobject: 'kvm' (ffff8882194c0910): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop1' (ffff8880a40363a0): kobject_uevent_env
kobject: 'loop1' (ffff8880a40363a0): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'rx-0' (ffff8880802a7f10): auto cleanup kobject_del
kobject: 'loop4' (ffff8880a4115620): kobject_uevent_env
kobject: 'rx-0' (ffff8880802a7f10): calling ktype release
kobject: 'loop4' (ffff8880a4115620): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'kvm' (ffff8882194c0910): kobject_uevent_env
kobject: 'loop4' (ffff8880a4115620): kobject_uevent_env
kobject: 'rx-0': free name
kobject: 'kvm' (ffff8882194c0910): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'tx-0' (ffff88805cabf518): kobject_cleanup, parent ffff888092c9ae48
kobject: 'loop4' (ffff8880a4115620): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'tx-0' (ffff88805cabf518): auto cleanup 'remove' event
kobject: 'loop2' (ffff8880a406a420): kobject_uevent_env
kobject: 'tx-0' (ffff88805cabf518): kobject_uevent_env
kobject: 'kvm' (ffff8882194c0910): kobject_uevent_env
kobject: 'tx-0' (ffff88805cabf518): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'loop2' (ffff8880a406a420): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'tx-0' (ffff88805cabf518): auto cleanup kobject_del
kobject: 'kvm' (ffff8882194c0910): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'tx-0' (ffff88805cabf518): calling ktype release
kobject: 'loop3' (ffff8880a40b8d20): kobject_uevent_env
kobject: 'tx-0': free name
kobject: 'loop3' (ffff8880a40b8d20): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'queues' (ffff888092c9ae48): kobject_cleanup, parent           (null)
kobject: 'loop1' (ffff8880a40363a0): kobject_uevent_env
kobject: 'loop1' (ffff8880a40363a0): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop4' (ffff8880a4115620): kobject_uevent_env
kobject: 'queues' (ffff888092c9ae48): calling ktype release
kobject: 'loop4' (ffff8880a4115620): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'queues' (ffff888092c9ae48): kset_release
kobject: 'kvm' (ffff8882194c0910): kobject_uevent_env
kobject: 'queues': free name
kobject: 'kvm' (ffff8882194c0910): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'tunl0' (ffff88805bef0b30): kobject_uevent_env
kobject: 'loop2' (ffff8880a406a420): kobject_uevent_env
kobject: 'tunl0' (ffff88805bef0b30): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'loop2' (ffff8880a406a420): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop1' (ffff8880a40363a0): kobject_uevent_env
kobject: 'loop1' (ffff8880a40363a0): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'kvm' (ffff8882194c0910): kobject_uevent_env
kobject: 'loop3' (ffff8880a40b8d20): kobject_uevent_env
kobject: 'loop3' (ffff8880a40b8d20): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'tunl0' (ffff88805bef0b30): kobject_cleanup, parent           (null)
kobject: 'loop4' (ffff8880a4115620): kobject_uevent_env
kobject: 'tunl0' (ffff88805bef0b30): calling ktype release
kobject: 'kvm' (ffff8882194c0910): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop4' (ffff8880a4115620): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop2' (ffff8880a406a420): kobject_uevent_env
kobject: 'tunl0': free name
kobject: 'loop2' (ffff8880a406a420): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop0' (ffff8880a47da320): kobject_uevent_env
kobject: 'kvm' (ffff8882194c0910): kobject_uevent_env
kobject: 'loop0' (ffff8880a47da320): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'kvm' (ffff8882194c0910): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'rx-0' (ffff8880802a7cd0): kobject_cleanup, parent ffff88809c3a3f48
kobject: 'loop1' (ffff8880a40363a0): kobject_uevent_env
kobject: 'loop1' (ffff8880a40363a0): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'rx-0' (ffff8880802a7cd0): auto cleanup 'remove' event
kobject: 'loop2' (ffff8880a406a420): kobject_uevent_env
kobject: 'rx-0' (ffff8880802a7cd0): kobject_uevent_env
kobject: 'rx-0' (ffff8880802a7cd0): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'kvm' (ffff8882194c0910): kobject_uevent_env
kobject: 'rx-0' (ffff8880802a7cd0): auto cleanup kobject_del
kobject: 'loop2' (ffff8880a406a420): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'rx-0' (ffff8880802a7cd0): calling ktype release
kobject: 'kvm' (ffff8882194c0910): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop4' (ffff8880a4115620): kobject_uevent_env
kobject: 'rx-0': free name
kobject: 'loop4' (ffff8880a4115620): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'tx-0' (ffff88805ec84858): kobject_cleanup, parent ffff88809c3a3f48
kobject: 'tx-0' (ffff88805ec84858): auto cleanup 'remove' event
kobject: 'loop5' (ffff8880a416f6a0): kobject_uevent_env
kobject: 'loop5' (ffff8880a416f6a0): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'tx-0' (ffff88805ec84858): kobject_uevent_env
kobject: 'tx-0' (ffff88805ec84858): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'tx-0' (ffff88805ec84858): auto cleanup kobject_del
kobject: 'loop2' (ffff8880a406a420): kobject_uevent_env
kobject: 'kvm' (ffff8882194c0910): kobject_uevent_env
kobject: 'tx-0' (ffff88805ec84858): calling ktype release
kobject: 'kvm' (ffff8882194c0910): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'tx-0': free name
kobject: 'loop2' (ffff8880a406a420): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'queues' (ffff88809c3a3f48): kobject_cleanup, parent           (null)
kobject: 'loop4' (ffff8880a4115620): kobject_uevent_env
kobject: 'queues' (ffff88809c3a3f48): calling ktype release
kobject: 'loop4' (ffff8880a4115620): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'queues' (ffff88809c3a3f48): kset_release
kobject: 'queues': free name
kobject: 'kvm' (ffff8882194c0910): kobject_uevent_env
kobject: 'lo' (ffff888081ee70f0): kobject_uevent_env
kobject: 'loop1' (ffff8880a40363a0): kobject_uevent_env
kobject: 'lo' (ffff888081ee70f0): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'kvm' (ffff8882194c0910): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop1' (ffff8880a40363a0): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop5' (ffff8880a416f6a0): kobject_uevent_env
kobject: 'lo' (ffff888081ee70f0): kobject_cleanup, parent           (null)
kobject: 'lo' (ffff888081ee70f0): calling ktype release
kobject: 'loop5' (ffff8880a416f6a0): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop3' (ffff8880a40b8d20): kobject_uevent_env
kobject: 'loop3' (ffff8880a40b8d20): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'lo': free name
kobject: 'loop0' (ffff8880a47da320): kobject_uevent_env
EXT4-fs (loop3): VFS: Can't find ext4 filesystem
kobject: 'loop3' (ffff8880a40b8d20): kobject_uevent_env
kobject: 'loop0' (ffff8880a47da320): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop3' (ffff8880a40b8d20): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop2' (ffff8880a406a420): kobject_uevent_env
ptrace attach of ""[11966] was attempted by "/root/syz-executor.2"[11972]
kobject: 'loop2' (ffff8880a406a420): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop3' (ffff8880a40b8d20): kobject_uevent_env
kobject: 'loop1' (ffff8880a40363a0): kobject_uevent_env
ptrace attach of ""[11982] was attempted by "/root/syz-executor.2"[11985]
kobject: 'loop1' (ffff8880a40363a0): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop3' (ffff8880a40b8d20): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop2' (ffff8880a406a420): kobject_uevent_env
EXT4-fs (loop3): VFS: Can't find ext4 filesystem
kobject: 'loop2' (ffff8880a406a420): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop1' (ffff8880a40363a0): kobject_uevent_env
kobject: 'loop3' (ffff8880a40b8d20): kobject_uevent_env
kobject: 'loop3' (ffff8880a40b8d20): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop1' (ffff8880a40363a0): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop3' (ffff8880a40b8d20): kobject_uevent_env
kobject: 'loop3' (ffff8880a40b8d20): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop1' (ffff8880a40363a0): kobject_uevent_env
kobject: 'loop1' (ffff8880a40363a0): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop3' (ffff8880a40b8d20): kobject_uevent_env
kobject: 'loop3' (ffff8880a40b8d20): kobject_uevent_env
kobject: 'loop3' (ffff8880a40b8d20): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop3' (ffff8880a40b8d20): fill_kobj_path: path = '/devices/virtual/block/loop3'
EXT4-fs (loop3): VFS: Can't find ext4 filesystem
kobject: 'loop2' (ffff8880a406a420): kobject_uevent_env
kobject: 'loop2' (ffff8880a406a420): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop3' (ffff8880a40b8d20): kobject_uevent_env
kobject: 'loop3' (ffff8880a40b8d20): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop1' (ffff8880a40363a0): kobject_uevent_env
kobject: 'loop1' (ffff8880a40363a0): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop0' (ffff8880a47da320): kobject_uevent_env
kobject: 'loop0' (ffff8880a47da320): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop3' (ffff8880a40b8d20): kobject_uevent_env
kobject: 'loop3' (ffff8880a40b8d20): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop2' (ffff8880a406a420): kobject_uevent_env
kobject: 'loop2' (ffff8880a406a420): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop0' (ffff8880a47da320): kobject_uevent_env
kobject: 'loop0' (ffff8880a47da320): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop5' (ffff8880a416f6a0): kobject_uevent_env
kobject: 'loop5' (ffff8880a416f6a0): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop1' (ffff8880a40363a0): kobject_uevent_env
kobject: 'loop1' (ffff8880a40363a0): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop4' (ffff8880a4115620): kobject_uevent_env
kobject: 'loop4' (ffff8880a4115620): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop2' (ffff8880a406a420): kobject_uevent_env
kobject: 'loop2' (ffff8880a406a420): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop5' (ffff8880a416f6a0): kobject_uevent_env
kobject: 'loop5' (ffff8880a416f6a0): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop3' (ffff8880a40b8d20): kobject_uevent_env
kobject: 'loop3' (ffff8880a40b8d20): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop2' (ffff8880a406a420): kobject_uevent_env
kobject: 'loop2' (ffff8880a406a420): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop5' (ffff8880a416f6a0): kobject_uevent_env
kobject: 'loop5' (ffff8880a416f6a0): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop2' (ffff8880a406a420): kobject_uevent_env
kobject: 'loop2' (ffff8880a406a420): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop3' (ffff8880a40b8d20): kobject_uevent_env
kobject: 'loop3' (ffff8880a40b8d20): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop0' (ffff8880a47da320): kobject_uevent_env
kobject: 'loop0' (ffff8880a47da320): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop3' (ffff8880a40b8d20): kobject_uevent_env
kobject: 'loop3' (ffff8880a40b8d20): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop1' (ffff8880a40363a0): kobject_uevent_env
kobject: 'loop1' (ffff8880a40363a0): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop5' (ffff8880a416f6a0): kobject_uevent_env
kobject: 'loop5' (ffff8880a416f6a0): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop2' (ffff8880a406a420): kobject_uevent_env
kobject: 'loop2' (ffff8880a406a420): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop5' (ffff8880a416f6a0): kobject_uevent_env
kobject: 'loop5' (ffff8880a416f6a0): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop3' (ffff8880a40b8d20): kobject_uevent_env
kobject: 'loop3' (ffff8880a40b8d20): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop0' (ffff8880a47da320): kobject_uevent_env
kobject: 'loop0' (ffff8880a47da320): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop1' (ffff8880a40363a0): kobject_uevent_env
kobject: 'loop1' (ffff8880a40363a0): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'rx-0' (ffff8880a9b90cd0): kobject_cleanup, parent ffff88809d042d48
kobject: 'rx-0' (ffff8880a9b90cd0): auto cleanup 'remove' event
kobject: 'rx-0' (ffff8880a9b90cd0): kobject_uevent_env
kobject: 'rx-0' (ffff8880a9b90cd0): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'rx-0' (ffff8880a9b90cd0): auto cleanup kobject_del
kobject: 'rx-0' (ffff8880a9b90cd0): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (ffff8880a47070d8): kobject_cleanup, parent ffff88809d042d48
kobject: 'tx-0' (ffff8880a47070d8): auto cleanup 'remove' event
kobject: 'tx-0' (ffff8880a47070d8): kobject_uevent_env
kobject: 'tx-0' (ffff8880a47070d8): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'tx-0' (ffff8880a47070d8): auto cleanup kobject_del
kobject: 'tx-0' (ffff8880a47070d8): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (ffff88809d042d48): kobject_cleanup, parent           (null)
kobject: 'queues' (ffff88809d042d48): calling ktype release
kobject: 'queues' (ffff88809d042d48): kset_release
kobject: 'queues': free name
kobject: 'ip6gre0' (ffff88809760a8f0): kobject_uevent_env
kobject: 'ip6gre0' (ffff88809760a8f0): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'ip6gre0' (ffff88809760a8f0): kobject_cleanup, parent           (null)
kobject: 'ip6gre0' (ffff88809760a8f0): calling ktype release
kobject: 'ip6gre0': free name
kobject: 'rx-0' (ffff88805efaa190): kobject_cleanup, parent ffff8880a0efba48
kobject: 'rx-0' (ffff88805efaa190): auto cleanup 'remove' event
kobject: 'rx-0' (ffff88805efaa190): kobject_uevent_env
kobject: 'rx-0' (ffff88805efaa190): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'rx-0' (ffff88805efaa190): auto cleanup kobject_del
kobject: 'rx-0' (ffff88805efaa190): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (ffff8880873e22d8): kobject_cleanup, parent ffff8880a0efba48
kobject: 'tx-0' (ffff8880873e22d8): auto cleanup 'remove' event
kobject: 'tx-0' (ffff8880873e22d8): kobject_uevent_env
kobject: 'tx-0' (ffff8880873e22d8): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'tx-0' (ffff8880873e22d8): auto cleanup kobject_del
kobject: 'tx-0' (ffff8880873e22d8): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (ffff8880a0efba48): kobject_cleanup, parent           (null)
kobject: 'queues' (ffff8880a0efba48): calling ktype release
kobject: 'queues' (ffff8880a0efba48): kset_release
kobject: 'queues': free name
kobject: 'ip6tnl0' (ffff88807eb366f0): kobject_uevent_env
kobject: 'ip6tnl0' (ffff88807eb366f0): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'ip6tnl0' (ffff88807eb366f0): kobject_cleanup, parent           (null)
kobject: 'ip6tnl0' (ffff88807eb366f0): calling ktype release
kobject: 'ip6tnl0': free name
kobject: 'rx-0' (ffff8880997083d0): kobject_cleanup, parent ffff8880a4217248
kobject: 'rx-0' (ffff8880997083d0): auto cleanup 'remove' event
kobject: 'rx-0' (ffff8880997083d0): kobject_uevent_env
kobject: 'rx-0' (ffff8880997083d0): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'rx-0' (ffff8880997083d0): auto cleanup kobject_del
kobject: 'rx-0' (ffff8880997083d0): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (ffff88808ebb4598): kobject_cleanup, parent ffff8880a4217248
kobject: 'tx-0' (ffff88808ebb4598): auto cleanup 'remove' event
kobject: 'tx-0' (ffff88808ebb4598): kobject_uevent_env
kobject: 'tx-0' (ffff88808ebb4598): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'tx-0' (ffff88808ebb4598): auto cleanup kobject_del
kobject: 'tx-0' (ffff88808ebb4598): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (ffff8880a4217248): kobject_cleanup, parent           (null)
kobject: 'queues' (ffff8880a4217248): calling ktype release
kobject: 'queues' (ffff8880a4217248): kset_release
kobject: 'queues': free name
kobject: 'sit0' (ffff8880664213f0): kobject_uevent_env
kobject: 'sit0' (ffff8880664213f0): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'sit0' (ffff8880664213f0): kobject_cleanup, parent           (null)
kobject: 'sit0' (ffff8880664213f0): calling ktype release
kobject: 'sit0': free name
kobject: 'rx-0' (ffff8880a64ce250): kobject_cleanup, parent ffff8880977f6448
kobject: 'rx-0' (ffff8880a64ce250): auto cleanup 'remove' event
kobject: 'rx-0' (ffff8880a64ce250): kobject_uevent_env
kobject: 'rx-0' (ffff8880a64ce250): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'rx-0' (ffff8880a64ce250): auto cleanup kobject_del
kobject: 'rx-0' (ffff8880a64ce250): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (ffff88808aeff818): kobject_cleanup, parent ffff8880977f6448
kobject: 'tx-0' (ffff88808aeff818): auto cleanup 'remove' event
kobject: 'tx-0' (ffff88808aeff818): kobject_uevent_env
kobject: 'tx-0' (ffff88808aeff818): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'tx-0' (ffff88808aeff818): auto cleanup kobject_del
kobject: 'tx-0' (ffff88808aeff818): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (ffff8880977f6448): kobject_cleanup, parent           (null)
kobject: 'queues' (ffff8880977f6448): calling ktype release
kobject: 'queues' (ffff8880977f6448): kset_release
kobject: 'queues': free name
kobject: 'ip6_vti0' (ffff888066af11f0): kobject_uevent_env
kobject: 'ip6_vti0' (ffff888066af11f0): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'ip6_vti0' (ffff888066af11f0): kobject_cleanup, parent           (null)
kobject: 'ip6_vti0' (ffff888066af11f0): calling ktype release
kobject: 'ip6_vti0': free name
kobject: 'rx-0' (ffff88805b437f10): kobject_cleanup, parent ffff888094e7b348
kobject: 'rx-0' (ffff88805b437f10): auto cleanup 'remove' event
kobject: 'rx-0' (ffff88805b437f10): kobject_uevent_env
kobject: 'rx-0' (ffff88805b437f10): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'rx-0' (ffff88805b437f10): auto cleanup kobject_del
kobject: 'rx-0' (ffff88805b437f10): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (ffff8880a518ca18): kobject_cleanup, parent ffff888094e7b348
kobject: 'tx-0' (ffff8880a518ca18): auto cleanup 'remove' event
kobject: 'tx-0' (ffff8880a518ca18): kobject_uevent_env
kobject: 'tx-0' (ffff8880a518ca18): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'tx-0' (ffff8880a518ca18): auto cleanup kobject_del
kobject: 'tx-0' (ffff8880a518ca18): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (ffff888094e7b348): kobject_cleanup, parent           (null)
kobject: 'queues' (ffff888094e7b348): calling ktype release
kobject: 'queues' (ffff888094e7b348): kset_release
kobject: 'queues': free name
kobject: 'ip_vti0' (ffff88806603b470): kobject_uevent_env
kobject: 'ip_vti0' (ffff88806603b470): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'ip_vti0' (ffff88806603b470): kobject_cleanup, parent           (null)
kobject: 'ip_vti0' (ffff88806603b470): calling ktype release
kobject: 'ip_vti0': free name
kobject: 'batman_adv' (ffff8880991f5980): kobject_uevent_env
kobject: 'batman_adv' (ffff8880991f5980): kobject_uevent_env: filter function caused the event to drop!
kobject: 'batman_adv' (ffff8880991f5980): kobject_cleanup, parent           (null)
kobject: 'batman_adv' (ffff8880991f5980): calling ktype release
kobject: (ffff8880991f5980): dynamic_kobj_release
kobject: 'batman_adv': free name
kobject: 'rx-0' (ffff88809215f0d0): kobject_cleanup, parent ffff888094e7b748
kobject: 'rx-0' (ffff88809215f0d0): auto cleanup 'remove' event
kobject: 'rx-0' (ffff88809215f0d0): kobject_uevent_env
kobject: 'rx-0' (ffff88809215f0d0): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'rx-0' (ffff88809215f0d0): auto cleanup kobject_del
kobject: 'rx-0' (ffff88809215f0d0): calling ktype release
kobject: 'loop4' (ffff8880a4115620): kobject_uevent_env
kobject: 'rx-0': free name
kobject: 'loop4' (ffff8880a4115620): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'tx-0' (ffff888086fa5858): kobject_cleanup, parent ffff888094e7b748
kobject: 'tx-0' (ffff888086fa5858): auto cleanup 'remove' event
kobject: 'tx-0' (ffff888086fa5858): kobject_uevent_env
kobject: 'loop3' (ffff8880a40b8d20): kobject_uevent_env
kobject: 'loop3' (ffff8880a40b8d20): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'tx-0' (ffff888086fa5858): kobject_uevent_env: uevent_suppress caused the event to drop!
EXT4-fs (loop3): VFS: Can't find ext4 filesystem
kobject: 'tx-0' (ffff888086fa5858): auto cleanup kobject_del
kobject: 'tx-0' (ffff888086fa5858): calling ktype release
kobject: 'loop3' (ffff8880a40b8d20): kobject_uevent_env
kobject: 'loop3' (ffff8880a40b8d20): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'tx-0': free name
kobject: 'queues' (ffff888094e7b748): kobject_cleanup, parent           (null)
kobject: 'loop2' (ffff8880a406a420): kobject_uevent_env
kobject: 'loop2' (ffff8880a406a420): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'queues' (ffff888094e7b748): calling ktype release
kobject: 'queues' (ffff888094e7b748): kset_release
kobject: 'queues': free name
kobject: 'erspan0' (ffff8880a5188ff0): kobject_uevent_env
kobject: 'erspan0' (ffff8880a5188ff0): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'erspan0' (ffff8880a5188ff0): kobject_cleanup, parent           (null)
kobject: 'erspan0' (ffff8880a5188ff0): calling ktype release
kobject: 'erspan0': free name
kobject: 'batman_adv' (ffff88805b51cf00): kobject_uevent_env
kobject: 'batman_adv' (ffff88805b51cf00): kobject_uevent_env: filter function caused the event to drop!
kobject: 'loop2' (ffff8880a406a420): kobject_uevent_env
kobject: 'loop2' (ffff8880a406a420): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'batman_adv' (ffff88805b51cf00): kobject_cleanup, parent           (null)
kobject: 'batman_adv' (ffff88805b51cf00): calling ktype release
kobject: (ffff88805b51cf00): dynamic_kobj_release
kobject: 'batman_adv': free name
kobject: 'rx-0' (ffff88805b437790): kobject_cleanup, parent ffff8880a0efb548
kobject: 'rx-0' (ffff88805b437790): auto cleanup 'remove' event
kobject: 'rx-0' (ffff88805b437790): kobject_uevent_env
kobject: 'rx-0' (ffff88805b437790): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'rx-0' (ffff88805b437790): auto cleanup kobject_del
kobject: 'rx-0' (ffff88805b437790): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (ffff888066b4b558): kobject_cleanup, parent ffff8880a0efb548
kobject: 'loop5' (ffff8880a416f6a0): kobject_uevent_env
kobject: 'loop5' (ffff8880a416f6a0): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'tx-0' (ffff888066b4b558): auto cleanup 'remove' event
kobject: 'tx-0' (ffff888066b4b558): kobject_uevent_env
kobject: 'loop1' (ffff8880a40363a0): kobject_uevent_env
kobject: 'tx-0' (ffff888066b4b558): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'loop1' (ffff8880a40363a0): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'tx-0' (ffff888066b4b558): auto cleanup kobject_del
kobject: 'loop0' (ffff8880a47da320): kobject_uevent_env
kobject: 'tx-0' (ffff888066b4b558): calling ktype release
kobject: 'loop0' (ffff8880a47da320): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'tx-0': free name
kobject: 'queues' (ffff8880a0efb548): kobject_cleanup, parent           (null)
kobject: 'queues' (ffff8880a0efb548): calling ktype release
kobject: 'queues' (ffff8880a0efb548): kset_release
kobject: 'queues': free name
kobject: 'gretap0' (ffff8880a454cdf0): kobject_uevent_env
kobject: 'gretap0' (ffff8880a454cdf0): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'gretap0' (ffff8880a454cdf0): kobject_cleanup, parent           (null)
kobject: 'gretap0' (ffff8880a454cdf0): calling ktype release
kobject: 'loop2' (ffff8880a406a420): kobject_uevent_env
kobject: 'loop2' (ffff8880a406a420): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'gretap0': free name
kobject: 'rx-0' (ffff888086fd6cd0): kobject_cleanup, parent ffff88809e49fe48
kobject: 'rx-0' (ffff888086fd6cd0): auto cleanup 'remove' event
kobject: 'rx-0' (ffff888086fd6cd0): kobject_uevent_env
kobject: 'rx-0' (ffff888086fd6cd0): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'rx-0' (ffff888086fd6cd0): auto cleanup kobject_del
kobject: 'rx-0' (ffff888086fd6cd0): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (ffff888090f13818): kobject_cleanup, parent ffff88809e49fe48
kobject: 'tx-0' (ffff888090f13818): auto cleanup 'remove' event
kobject: 'tx-0' (ffff888090f13818): kobject_uevent_env
kobject: 'tx-0' (ffff888090f13818): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'tx-0' (ffff888090f13818): auto cleanup kobject_del
kobject: 'tx-0' (ffff888090f13818): calling ktype release
kobject: 'loop5' (ffff8880a416f6a0): kobject_uevent_env
kobject: 'loop5' (ffff8880a416f6a0): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'tx-0': free name
kobject: 'queues' (ffff88809e49fe48): kobject_cleanup, parent           (null)
kobject: 'queues' (ffff88809e49fe48): calling ktype release
kobject: 'queues' (ffff88809e49fe48): kset_release
kobject: 'queues': free name
kobject: 'gre0' (ffff888092c30c30): kobject_uevent_env
kobject: 'gre0' (ffff888092c30c30): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'loop1' (ffff8880a40363a0): kobject_uevent_env
kobject: 'loop1' (ffff8880a40363a0): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'gre0' (ffff888092c30c30): kobject_cleanup, parent           (null)
kobject: 'gre0' (ffff888092c30c30): calling ktype release
kobject: 'gre0': free name
kobject: 'rx-0' (ffff888097eb3190): kobject_cleanup, parent ffff888096960448
kobject: 'rx-0' (ffff888097eb3190): auto cleanup 'remove' event
kobject: 'rx-0' (ffff888097eb3190): kobject_uevent_env
kobject: 'rx-0' (ffff888097eb3190): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'rx-0' (ffff888097eb3190): auto cleanup kobject_del
kobject: 'rx-0' (ffff888097eb3190): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (ffff88808e87d018): kobject_cleanup, parent ffff888096960448
kobject: 'tx-0' (ffff88808e87d018): auto cleanup 'remove' event
kobject: 'tx-0' (ffff88808e87d018): kobject_uevent_env
kobject: 'tx-0' (ffff88808e87d018): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'tx-0' (ffff88808e87d018): auto cleanup kobject_del
kobject: 'tx-0' (ffff88808e87d018): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (ffff888096960448): kobject_cleanup, parent           (null)
kobject: 'queues' (ffff888096960448): calling ktype release
kobject: 'queues' (ffff888096960448): kset_release
kobject: 'queues': free name
kobject: 'tunl0' (ffff888064cf08b0): kobject_uevent_env
kobject: 'tunl0' (ffff888064cf08b0): kobject_uevent_env: uevent_suppress caused the event to drop!