netlink: 'syz-executor.5': attribute type 1 has an invalid length.
======================================================
WARNING: possible circular locking dependency detected
4.19.88-syzkaller #0 Not tainted
------------------------------------------------------
syz-executor.0/5389 is trying to acquire lock:
netlink: 1 bytes leftover after parsing attributes in process `syz-executor.5'.
00000000c92ec351 (&mm->mmap_sem){++++}, at: __might_fault+0xfb/0x1e0 mm/memory.c:4637

but task is already holding lock:
000000002c9558e7 (&rp->fetch_lock){+.+.}, at: mon_bin_get_event+0x3c/0x450 drivers/usb/mon/mon_bin.c:747

which lock already depends on the new lock.


the existing dependency chain (in reverse order) is:

-> #1 (&rp->fetch_lock){+.+.}:
       __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
netlink: 'syz-executor.5': attribute type 1 has an invalid length.
       __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

-> #0 (&mm->mmap_sem){++++}:
       lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3903
       __might_fault mm/memory.c:4638 [inline]
       __might_fault+0x15e/0x1e0 mm/memory.c:4623
       _copy_to_user+0x30/0x120 lib/usercopy.c:25
       copy_to_user include/linux/uaccess.h:155 [inline]
       mon_bin_get_event+0x117/0x450 drivers/usb/mon/mon_bin.c:756
       mon_bin_ioctl+0xacf/0xc80 drivers/usb/mon/mon_bin.c:1068
       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
netlink: 1 bytes leftover after parsing attributes in process `syz-executor.5'.

other info that might help us debug this:

 Possible unsafe locking scenario:

       CPU0                    CPU1
       ----                    ----
  lock(&rp->fetch_lock);
                               lock(&mm->mmap_sem);
                               lock(&rp->fetch_lock);
  lock(&mm->mmap_sem);

 *** DEADLOCK ***

1 lock held by syz-executor.0/5389:
 #0: 000000002c9558e7 (&rp->fetch_lock){+.+.}, at: mon_bin_get_event+0x3c/0x450 drivers/usb/mon/mon_bin.c:747

stack backtrace:
CPU: 0 PID: 5389 Comm: syz-executor.0 Not tainted 4.19.88-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
net_ratelimit: 21 callbacks suppressed
protocol 88fb is buggy, dev hsr_slave_0
 lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3903
protocol 88fb is buggy, dev hsr_slave_1
 __might_fault mm/memory.c:4638 [inline]
 __might_fault+0x15e/0x1e0 mm/memory.c:4623
 _copy_to_user+0x30/0x120 lib/usercopy.c:25
 copy_to_user include/linux/uaccess.h:155 [inline]
 mon_bin_get_event+0x117/0x450 drivers/usb/mon/mon_bin.c:756
 mon_bin_ioctl+0xacf/0xc80 drivers/usb/mon/mon_bin.c:1068
 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
RIP: 0033:0x45a6f9
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:00007ff2cfc1dc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a6f9
RDX: 0000000020000240 RSI: 0000000040189206 RDI: 0000000000000003
RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff2cfc1e6d4
R13: 00000000004c43df R14: 00000000004d9b10 R15: 00000000ffffffff
kobject: 'loop5' (0000000067cdeb06): kobject_uevent_env
kobject: 'loop5' (0000000067cdeb06): fill_kobj_path: path = '/devices/virtual/block/loop5'
netlink: 'syz-executor.5': attribute type 1 has an invalid length.
overlayfs: workdir and upperdir must be separate subtrees
netlink: 1 bytes leftover after parsing attributes in process `syz-executor.5'.
kobject: 'loop2' (000000002da630d0): kobject_uevent_env
kobject: 'loop2' (000000002da630d0): fill_kobj_path: path = '/devices/virtual/block/loop2'
overlayfs: workdir and upperdir must be separate subtrees
kobject: 'loop4' (000000002f2ecc76): kobject_uevent_env
kobject: 'loop4' (000000002f2ecc76): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop0' (0000000023d36280): kobject_uevent_env
netlink: 'syz-executor.5': attribute type 1 has an invalid length.
kobject: 'loop0' (0000000023d36280): fill_kobj_path: path = '/devices/virtual/block/loop0'
overlayfs: workdir and upperdir must be separate subtrees
netlink: 1 bytes leftover after parsing attributes in process `syz-executor.5'.
kobject: 'loop3' (00000000aa0285e8): kobject_uevent_env
overlayfs: workdir and upperdir must be separate subtrees
kobject: 'loop3' (00000000aa0285e8): fill_kobj_path: path = '/devices/virtual/block/loop3'
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1
kobject: 'loop4' (000000002f2ecc76): kobject_uevent_env
kobject: 'loop4' (000000002f2ecc76): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop3' (00000000aa0285e8): kobject_uevent_env
kobject: 'loop3' (00000000aa0285e8): fill_kobj_path: path = '/devices/virtual/block/loop3'
overlayfs: workdir and upperdir must be separate subtrees
kobject: 'loop5' (0000000067cdeb06): kobject_uevent_env
overlayfs: workdir and upperdir must be separate subtrees
kobject: 'loop5' (0000000067cdeb06): fill_kobj_path: path = '/devices/virtual/block/loop5'
overlayfs: workdir and upperdir must be separate subtrees
kobject: 'loop4' (000000002f2ecc76): kobject_uevent_env
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1
protocol 88fb is buggy, dev hsr_slave_1
protocol 88fb is buggy, dev hsr_slave_0
kobject: 'loop4' (000000002f2ecc76): fill_kobj_path: path = '/devices/virtual/block/loop4'
protocol 88fb is buggy, dev hsr_slave_1
kobject: 'loop2' (000000002da630d0): kobject_uevent_env
overlayfs: workdir and upperdir must be separate subtrees
kobject: 'loop2' (000000002da630d0): fill_kobj_path: path = '/devices/virtual/block/loop2'
overlayfs: workdir and upperdir must be separate subtrees
kobject: 'loop3' (00000000aa0285e8): kobject_uevent_env
kobject: 'loop3' (00000000aa0285e8): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop5' (0000000067cdeb06): kobject_uevent_env
kobject: 'loop5' (0000000067cdeb06): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'rx-0' (00000000ac28fb70): kobject_cleanup, parent 00000000084f8ea4
kobject: 'loop3' (00000000aa0285e8): kobject_uevent_env
kobject: 'rx-0' (00000000ac28fb70): auto cleanup 'remove' event
kobject: 'loop3' (00000000aa0285e8): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'rx-0' (00000000ac28fb70): kobject_uevent_env
kobject: 'rx-0' (00000000ac28fb70): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'loop0' (0000000023d36280): kobject_uevent_env
kobject: 'loop0' (0000000023d36280): fill_kobj_path: path = '/devices/virtual/block/loop0'
overlayfs: workdir and upperdir must be separate subtrees
kobject: 'rx-0' (00000000ac28fb70): auto cleanup kobject_del
kobject: 'rx-0' (00000000ac28fb70): calling ktype release
overlayfs: workdir and upperdir must be separate subtrees
kobject: 'loop2' (000000002da630d0): kobject_uevent_env
overlayfs: workdir and upperdir must be separate subtrees
kobject: 'rx-0': free name
kobject: 'tx-0' (00000000cb5d69e7): kobject_cleanup, parent 00000000084f8ea4
kobject: 'loop2' (000000002da630d0): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'tx-0' (00000000cb5d69e7): auto cleanup 'remove' event
kobject: 'loop4' (000000002f2ecc76): kobject_uevent_env
kobject: 'tx-0' (00000000cb5d69e7): kobject_uevent_env
kobject: 'loop4' (000000002f2ecc76): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'tx-0' (00000000cb5d69e7): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'tx-0' (00000000cb5d69e7): auto cleanup kobject_del
kobject: 'loop5' (0000000067cdeb06): kobject_uevent_env
kobject: 'tx-0' (00000000cb5d69e7): calling ktype release
kobject: 'loop5' (0000000067cdeb06): fill_kobj_path: path = '/devices/virtual/block/loop5'
overlayfs: workdir and upperdir must be separate subtrees
overlayfs: workdir and upperdir must be separate subtrees
kobject: 'tx-0': free name
kobject: 'queues' (00000000084f8ea4): kobject_cleanup, parent           (null)
kobject: 'loop3' (00000000aa0285e8): kobject_uevent_env
overlayfs: workdir and upperdir must be separate subtrees
kobject: 'queues' (00000000084f8ea4): calling ktype release
kobject: 'loop3' (00000000aa0285e8): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'queues' (00000000084f8ea4): kset_release
kobject: 'loop4' (000000002f2ecc76): kobject_uevent_env
kobject: 'queues': free name
kobject: 'ip6gre0' (00000000b37a98fe): kobject_uevent_env
kobject: 'loop4' (000000002f2ecc76): fill_kobj_path: path = '/devices/virtual/block/loop4'
overlayfs: workdir and upperdir must be separate subtrees
kobject: 'ip6gre0' (00000000b37a98fe): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'loop0' (0000000023d36280): kobject_uevent_env
kobject: 'loop0' (0000000023d36280): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop5' (0000000067cdeb06): kobject_uevent_env
overlayfs: workdir and upperdir must be separate subtrees
kobject: 'loop5' (0000000067cdeb06): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'ip6gre0' (00000000b37a98fe): kobject_cleanup, parent           (null)
kobject: 'loop2' (000000002da630d0): kobject_uevent_env
kobject: 'ip6gre0' (00000000b37a98fe): calling ktype release
kobject: 'loop2' (000000002da630d0): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'ip6gre0': free name
kobject: 'rx-0' (00000000d8d3c9a7): kobject_cleanup, parent 000000009eec41b6
overlayfs: workdir and upperdir must be separate subtrees
kobject: 'loop3' (00000000aa0285e8): kobject_uevent_env
kobject: 'rx-0' (00000000d8d3c9a7): auto cleanup 'remove' event
kobject: 'loop3' (00000000aa0285e8): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'rx-0' (00000000d8d3c9a7): kobject_uevent_env
overlayfs: workdir and upperdir must be separate subtrees
kobject: 'loop5' (0000000067cdeb06): kobject_uevent_env
kobject: 'rx-0' (00000000d8d3c9a7): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'loop5' (0000000067cdeb06): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'rx-0' (00000000d8d3c9a7): auto cleanup kobject_del
kobject: 'loop3' (00000000aa0285e8): kobject_uevent_env
kobject: 'rx-0' (00000000d8d3c9a7): calling ktype release
kobject: 'loop3' (00000000aa0285e8): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'rx-0': free name
overlayfs: failed to resolve './file0': -2
kobject: 'tx-0' (0000000093459208): kobject_cleanup, parent 000000009eec41b6
kobject: 'loop4' (000000002f2ecc76): kobject_uevent_env
kobject: 'loop4' (000000002f2ecc76): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'tx-0' (0000000093459208): auto cleanup 'remove' event
kobject: 'tx-0' (0000000093459208): kobject_uevent_env
kobject: 'loop4' (000000002f2ecc76): kobject_uevent_env
kobject: 'tx-0' (0000000093459208): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'loop4' (000000002f2ecc76): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'tx-0' (0000000093459208): auto cleanup kobject_del
kobject: 'loop2' (000000002da630d0): kobject_uevent_env
kobject: 'tx-0' (0000000093459208): calling ktype release
kobject: 'loop2' (000000002da630d0): fill_kobj_path: path = '/devices/virtual/block/loop2'
overlayfs: workdir and upperdir must be separate subtrees
kobject: 'tx-0': free name
overlayfs: failed to resolve './file0': -2
kobject: 'queues' (000000009eec41b6): kobject_cleanup, parent           (null)
kobject: 'loop4' (000000002f2ecc76): kobject_uevent_env
kobject: 'queues' (000000009eec41b6): calling ktype release
kobject: 'loop4' (000000002f2ecc76): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'queues' (000000009eec41b6): kset_release
kobject: 'loop5' (0000000067cdeb06): kobject_uevent_env
overlayfs: workdir and upperdir must be separate subtrees
kobject: 'queues': free name
kobject: 'loop5' (0000000067cdeb06): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'ip6tnl0' (00000000968cb247): kobject_uevent_env
kobject: 'ip6tnl0' (00000000968cb247): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'loop0' (0000000023d36280): kobject_uevent_env
kobject: 'loop0' (0000000023d36280): fill_kobj_path: path = '/devices/virtual/block/loop0'
overlayfs: failed to resolve './file0': -2
kobject: 'loop4' (000000002f2ecc76): kobject_uevent_env
kobject: 'ip6tnl0' (00000000968cb247): kobject_cleanup, parent           (null)
kobject: 'ip6tnl0' (00000000968cb247): calling ktype release
kobject: 'loop4' (000000002f2ecc76): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'ip6tnl0': free name
kobject: 'loop5' (0000000067cdeb06): kobject_uevent_env
kobject: 'rx-0' (00000000a32de36c): kobject_cleanup, parent 00000000c2e034f8
kobject: 'rx-0' (00000000a32de36c): auto cleanup 'remove' event
kobject: 'loop5' (0000000067cdeb06): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'rx-0' (00000000a32de36c): kobject_uevent_env
overlayfs: failed to resolve './file0': -2
kobject: 'rx-0' (00000000a32de36c): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'loop2' (000000002da630d0): kobject_uevent_env
kobject: 'rx-0' (00000000a32de36c): auto cleanup kobject_del
kobject: 'loop2' (000000002da630d0): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'rx-0' (00000000a32de36c): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (00000000906aad95): kobject_cleanup, parent 00000000c2e034f8
kobject: 'loop3' (00000000aa0285e8): kobject_uevent_env
kobject: 'tx-0' (00000000906aad95): auto cleanup 'remove' event
kobject: 'loop3' (00000000aa0285e8): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'tx-0' (00000000906aad95): kobject_uevent_env
overlayfs: workdir and upperdir must be separate subtrees
kobject: 'tx-0' (00000000906aad95): kobject_uevent_env: uevent_suppress caused the event to drop!
overlayfs: workdir and upperdir must be separate subtrees
kobject: 'loop0' (0000000023d36280): kobject_uevent_env
overlayfs: failed to resolve './file0': -2
kobject: 'loop0' (0000000023d36280): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'tx-0' (00000000906aad95): auto cleanup kobject_del
kobject: 'loop5' (0000000067cdeb06): kobject_uevent_env
kobject: 'loop5' (0000000067cdeb06): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'tx-0' (00000000906aad95): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (00000000c2e034f8): kobject_cleanup, parent           (null)
kobject: 'loop4' (000000002f2ecc76): kobject_uevent_env
kobject: 'queues' (00000000c2e034f8): calling ktype release
overlayfs: workdir and upperdir must be separate subtrees
kobject: 'loop4' (000000002f2ecc76): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'queues' (00000000c2e034f8): kset_release
overlayfs: workdir and upperdir must be separate subtrees
kobject: 'queues': free name
overlayfs: failed to resolve './file0': -2
kobject: 'sit0' (000000004d9c8f98): kobject_uevent_env
kobject: 'loop3' (00000000aa0285e8): kobject_uevent_env
kobject: 'sit0' (000000004d9c8f98): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'loop3' (00000000aa0285e8): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop5' (0000000067cdeb06): kobject_uevent_env
kobject: 'sit0' (000000004d9c8f98): kobject_cleanup, parent           (null)
kobject: 'sit0' (000000004d9c8f98): calling ktype release
kobject: 'loop5' (0000000067cdeb06): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'sit0': free name
kobject: 'rx-0' (00000000e43af256): kobject_cleanup, parent 00000000471c736f
kobject: 'rx-0' (00000000e43af256): auto cleanup 'remove' event
kobject: 'loop4' (000000002f2ecc76): kobject_uevent_env
kobject: 'loop4' (000000002f2ecc76): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop2' (000000002da630d0): kobject_uevent_env
kobject: 'loop2' (000000002da630d0): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'rx-0' (00000000e43af256): kobject_uevent_env
kobject: 'loop3' (00000000aa0285e8): kobject_uevent_env
kobject: 'rx-0' (00000000e43af256): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'loop3' (00000000aa0285e8): fill_kobj_path: path = '/devices/virtual/block/loop3'
overlayfs: workdir and upperdir must be separate subtrees
kobject: 'rx-0' (00000000e43af256): auto cleanup kobject_del
kobject: 'loop4' (000000002f2ecc76): kobject_uevent_env
kobject: 'rx-0' (00000000e43af256): calling ktype release
kobject: 'rx-0': free name
kobject: 'loop4' (000000002f2ecc76): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'tx-0' (00000000dd1bc0b6): kobject_cleanup, parent 00000000471c736f
kobject: 'tx-0' (00000000dd1bc0b6): auto cleanup 'remove' event
kobject: 'tx-0' (00000000dd1bc0b6): kobject_uevent_env
kobject: 'tx-0' (00000000dd1bc0b6): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'tx-0' (00000000dd1bc0b6): auto cleanup kobject_del
kobject: 'tx-0' (00000000dd1bc0b6): calling ktype release
kobject: 'loop0' (0000000023d36280): kobject_uevent_env
overlayfs: workdir and upperdir must be separate subtrees
kobject: 'loop0' (0000000023d36280): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop3' (00000000aa0285e8): kobject_uevent_env
kobject: 'tx-0': free name
kobject: 'loop3' (00000000aa0285e8): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'queues' (00000000471c736f): kobject_cleanup, parent           (null)
kobject: 'loop4' (000000002f2ecc76): kobject_uevent_env
kobject: 'loop4' (000000002f2ecc76): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'queues' (00000000471c736f): calling ktype release
kobject: 'loop4' (000000002f2ecc76): kobject_uevent_env
kobject: 'loop4' (000000002f2ecc76): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop2' (000000002da630d0): kobject_uevent_env
kobject: 'loop2' (000000002da630d0): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'queues' (00000000471c736f): kset_release
kobject: 'loop3' (00000000aa0285e8): kobject_uevent_env
kobject: 'loop3' (00000000aa0285e8): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'queues': free name
kobject: 'loop4' (000000002f2ecc76): kobject_uevent_env
kobject: 'ip6_vti0' (0000000013f3c830): kobject_uevent_env
kobject: 'ip6_vti0' (0000000013f3c830): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'loop4' (000000002f2ecc76): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'ip6_vti0' (0000000013f3c830): kobject_cleanup, parent           (null)
kobject: 'ip6_vti0' (0000000013f3c830): calling ktype release
kobject: 'loop5' (0000000067cdeb06): kobject_uevent_env
kobject: 'ip6_vti0': free name
kobject: 'loop5' (0000000067cdeb06): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop4' (000000002f2ecc76): kobject_uevent_env
kobject: 'loop4' (000000002f2ecc76): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'rx-0' (00000000a9d4b1e0): kobject_cleanup, parent 0000000016949855
kobject: 'rx-0' (00000000a9d4b1e0): auto cleanup 'remove' event
overlayfs: workdir and upperdir must be separate subtrees
kobject: 'rx-0' (00000000a9d4b1e0): kobject_uevent_env
kobject: 'loop3' (00000000aa0285e8): kobject_uevent_env
kobject: 'rx-0' (00000000a9d4b1e0): kobject_uevent_env: uevent_suppress caused the event to drop!
overlayfs: workdir and upperdir must be separate subtrees
kobject: 'loop3' (00000000aa0285e8): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'rx-0' (00000000a9d4b1e0): auto cleanup kobject_del
kobject: 'rx-0' (00000000a9d4b1e0): calling ktype release
kobject: 'loop5' (0000000067cdeb06): kobject_uevent_env
kobject: 'rx-0': free name
kobject: 'loop5' (0000000067cdeb06): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'tx-0' (000000007ef89cca): kobject_cleanup, parent 0000000016949855
kobject: 'loop4' (000000002f2ecc76): kobject_uevent_env
kobject: 'tx-0' (000000007ef89cca): auto cleanup 'remove' event
kobject: 'loop4' (000000002f2ecc76): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'tx-0' (000000007ef89cca): kobject_uevent_env
overlayfs: workdir and upperdir must be separate subtrees
kobject: 'tx-0' (000000007ef89cca): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'loop3' (00000000aa0285e8): kobject_uevent_env
overlayfs: workdir and upperdir must be separate subtrees
kobject: 'loop3' (00000000aa0285e8): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'tx-0' (000000007ef89cca): auto cleanup kobject_del
kobject: 'tx-0' (000000007ef89cca): calling ktype release
kobject: 'loop0' (0000000023d36280): kobject_uevent_env
kobject: 'tx-0': free name
kobject: 'loop0' (0000000023d36280): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'queues' (0000000016949855): kobject_cleanup, parent           (null)
kobject: 'queues' (0000000016949855): calling ktype release
kobject: 'loop4' (000000002f2ecc76): kobject_uevent_env
kobject: 'loop4' (000000002f2ecc76): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'queues' (0000000016949855): kset_release
kobject: 'queues': free name
kobject: 'loop5' (0000000067cdeb06): kobject_uevent_env
kobject: 'ip_vti0' (0000000073e7add9): kobject_uevent_env
kobject: 'loop5' (0000000067cdeb06): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'ip_vti0' (0000000073e7add9): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'loop0' (0000000023d36280): kobject_uevent_env
kobject: 'loop0' (0000000023d36280): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'ip_vti0' (0000000073e7add9): kobject_cleanup, parent           (null)
kobject: 'ip_vti0' (0000000073e7add9): calling ktype release
kobject: 'loop5' (0000000067cdeb06): kobject_uevent_env
kobject: 'ip_vti0': free name
kobject: 'batman_adv' (000000007f3730e7): kobject_uevent_env
kobject: 'loop5' (0000000067cdeb06): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'batman_adv' (000000007f3730e7): kobject_uevent_env: filter function caused the event to drop!
kobject: 'loop2' (000000002da630d0): kobject_uevent_env
kobject: 'loop2' (000000002da630d0): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'batman_adv' (000000007f3730e7): kobject_cleanup, parent           (null)
overlayfs: missing 'lowerdir'
kobject: 'loop0' (0000000023d36280): kobject_uevent_env
kobject: 'batman_adv' (000000007f3730e7): calling ktype release
kobject: 'loop0' (0000000023d36280): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: (000000007f3730e7): dynamic_kobj_release
kobject: 'batman_adv': free name
kobject: 'loop5' (0000000067cdeb06): kobject_uevent_env
kobject: 'loop5' (0000000067cdeb06): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'rx-0' (000000007cadc704): kobject_cleanup, parent 00000000d9610564
kobject: 'loop0' (0000000023d36280): kobject_uevent_env
overlayfs: missing 'lowerdir'
kobject: 'rx-0' (000000007cadc704): auto cleanup 'remove' event
kobject: 'loop0' (0000000023d36280): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (0000000023d36280): kobject_uevent_env
kobject: 'rx-0' (000000007cadc704): kobject_uevent_env
kobject: 'loop0' (0000000023d36280): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'rx-0' (000000007cadc704): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'loop2' (000000002da630d0): kobject_uevent_env
overlayfs: missing 'lowerdir'
net_ratelimit: 18 callbacks suppressed
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1
protocol 88fb is buggy, dev hsr_slave_1
kobject: 'rx-0' (000000007cadc704): auto cleanup kobject_del
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1
kobject: 'rx-0' (000000007cadc704): calling ktype release
kobject: 'loop2' (000000002da630d0): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'rx-0': free name
kobject: 'tx-0' (00000000619da08c): kobject_cleanup, parent 00000000d9610564
kobject: 'loop3' (00000000aa0285e8): kobject_uevent_env
overlayfs: option "workdir=." is useless in a non-upper mount, ignore
kobject: 'tx-0' (00000000619da08c): auto cleanup 'remove' event
overlayfs: at least 2 lowerdir are needed while upperdir nonexistent
kobject: 'loop3' (00000000aa0285e8): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'tx-0' (00000000619da08c): kobject_uevent_env
kobject: 'loop4' (000000002f2ecc76): kobject_uevent_env
kobject: 'tx-0' (00000000619da08c): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'loop4' (000000002f2ecc76): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'tx-0' (00000000619da08c): auto cleanup kobject_del
overlayfs: workdir and upperdir must be separate subtrees
kobject: 'loop0' (0000000023d36280): kobject_uevent_env
overlayfs: option "workdir=." is useless in a non-upper mount, ignore
kobject: 'tx-0' (00000000619da08c): calling ktype release
kobject: 'loop0' (0000000023d36280): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'tx-0': free name
kobject: 'queues' (00000000d9610564): kobject_cleanup, parent           (null)
overlayfs: workdir and upperdir must be separate subtrees
kobject: 'loop3' (00000000aa0285e8): kobject_uevent_env
kobject: 'queues' (00000000d9610564): calling ktype release
kobject: 'loop3' (00000000aa0285e8): fill_kobj_path: path = '/devices/virtual/block/loop3'
overlayfs: at least 2 lowerdir are needed while upperdir nonexistent
kobject: 'queues' (00000000d9610564): kset_release
kobject: 'loop2' (000000002da630d0): kobject_uevent_env
kobject: 'queues': free name
kobject: 'erspan0' (000000004b04d8e5): kobject_uevent_env
kobject: 'loop2' (000000002da630d0): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'erspan0' (000000004b04d8e5): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'loop3' (00000000aa0285e8): kobject_uevent_env
kobject: 'loop3' (00000000aa0285e8): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'erspan0' (000000004b04d8e5): kobject_cleanup, parent           (null)
kobject: 'erspan0' (000000004b04d8e5): calling ktype release
overlayfs: workdir and upperdir must be separate subtrees
kobject: 'loop5' (0000000067cdeb06): kobject_uevent_env
kobject: 'erspan0': free name
kobject: 'loop5' (0000000067cdeb06): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'batman_adv' (000000005d503627): kobject_uevent_env
overlayfs: option "workdir=." is useless in a non-upper mount, ignore
kobject: 'loop2' (000000002da630d0): kobject_uevent_env
overlayfs: workdir and upperdir must be separate subtrees
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1
kobject: 'batman_adv' (000000005d503627): kobject_uevent_env: filter function caused the event to drop!
overlayfs: at least 2 lowerdir are needed while upperdir nonexistent
kobject: 'batman_adv' (000000005d503627): kobject_cleanup, parent           (null)
kobject: 'loop2' (000000002da630d0): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'batman_adv' (000000005d503627): calling ktype release
kobject: 'loop5' (0000000067cdeb06): kobject_uevent_env
kobject: (000000005d503627): dynamic_kobj_release
kobject: 'loop5' (0000000067cdeb06): fill_kobj_path: path = '/devices/virtual/block/loop5'
overlayfs: workdir and upperdir must be separate subtrees
kobject: 'batman_adv': free name
kobject: 'rx-0' (000000003645df32): kobject_cleanup, parent 0000000070234be7
kobject: 'loop2' (000000002da630d0): kobject_uevent_env
kobject: 'rx-0' (000000003645df32): auto cleanup 'remove' event
overlayfs: workdir and upperdir must be separate subtrees
overlayfs: missing 'workdir'
kobject: 'loop2' (000000002da630d0): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'rx-0' (000000003645df32): kobject_uevent_env
kobject: 'loop0' (0000000023d36280): kobject_uevent_env
kobject: 'rx-0' (000000003645df32): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'loop0' (0000000023d36280): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'rx-0' (000000003645df32): auto cleanup kobject_del
kobject: 'loop5' (0000000067cdeb06): kobject_uevent_env
kobject: 'loop5' (0000000067cdeb06): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop0' (0000000023d36280): kobject_uevent_env
kobject: 'rx-0' (000000003645df32): calling ktype release
kobject: 'loop0' (0000000023d36280): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop3' (00000000aa0285e8): kobject_uevent_env
kobject: 'loop3' (00000000aa0285e8): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'rx-0': free name
kobject: 'tx-0' (00000000c636e7b6): kobject_cleanup, parent 0000000070234be7
overlayfs: missing 'workdir'
kobject: 'loop5' (0000000067cdeb06): kobject_uevent_env
kobject: 'tx-0' (00000000c636e7b6): auto cleanup 'remove' event
kobject: 'loop5' (0000000067cdeb06): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'tx-0' (00000000c636e7b6): kobject_uevent_env
kobject: 'loop2' (000000002da630d0): kobject_uevent_env
kobject: 'loop2' (000000002da630d0): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop3' (00000000aa0285e8): kobject_uevent_env
kobject: 'tx-0' (00000000c636e7b6): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'loop3' (00000000aa0285e8): fill_kobj_path: path = '/devices/virtual/block/loop3'
protocol 88fb is buggy, dev hsr_slave_0
overlayfs: workdir and upperdir must be separate subtrees
protocol 88fb is buggy, dev hsr_slave_1
kobject: 'loop5' (0000000067cdeb06): kobject_uevent_env
kobject: 'loop5' (0000000067cdeb06): fill_kobj_path: path = '/devices/virtual/block/loop5'
overlayfs: workdir and upperdir must be separate subtrees
kobject: 'tx-0' (00000000c636e7b6): auto cleanup kobject_del
overlayfs: missing 'workdir'
kobject: 'loop3' (00000000aa0285e8): kobject_uevent_env
kobject: 'tx-0' (00000000c636e7b6): calling ktype release
kobject: 'loop3' (00000000aa0285e8): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'tx-0': free name
kobject: 'queues' (0000000070234be7): kobject_cleanup, parent           (null)
kobject: 'queues' (0000000070234be7): calling ktype release
kobject: 'queues' (0000000070234be7): kset_release
kobject: 'queues': free name
kobject: 'gretap0' (00000000134fe3bd): kobject_uevent_env
kobject: 'gretap0' (00000000134fe3bd): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'loop5' (0000000067cdeb06): kobject_uevent_env
kobject: 'loop5' (0000000067cdeb06): fill_kobj_path: path = '/devices/virtual/block/loop5'
overlayfs: workdir and upperdir must be separate subtrees
kobject: 'gretap0' (00000000134fe3bd): kobject_cleanup, parent           (null)
overlayfs: workdir and upperdir must be separate subtrees
kobject: 'gretap0' (00000000134fe3bd): calling ktype release
kobject: 'gretap0': free name
kobject: 'loop3' (00000000aa0285e8): kobject_uevent_env
kobject: 'loop3' (00000000aa0285e8): fill_kobj_path: path = '/devices/virtual/block/loop3'
overlayfs: missing 'lowerdir'
kobject: 'rx-0' (00000000ce982bd9): kobject_cleanup, parent 00000000d00c5448
kobject: 'loop5' (0000000067cdeb06): kobject_uevent_env
kobject: 'loop5' (0000000067cdeb06): fill_kobj_path: path = '/devices/virtual/block/loop5'
overlayfs: workdir and upperdir must be separate subtrees
kobject: 'loop1' (0000000030205f4d): kobject_uevent_env
kobject: 'rx-0' (00000000ce982bd9): auto cleanup 'remove' event
overlayfs: workdir and upperdir must be separate subtrees
kobject: 'loop1' (0000000030205f4d): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'rx-0' (00000000ce982bd9): kobject_uevent_env
kobject: 'rx-0' (00000000ce982bd9): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'loop3' (00000000aa0285e8): kobject_uevent_env
kobject: 'loop3' (00000000aa0285e8): fill_kobj_path: path = '/devices/virtual/block/loop3'
overlayfs: missing 'lowerdir'
kobject: 'rx-0' (00000000ce982bd9): auto cleanup kobject_del
kobject: 'loop0' (0000000023d36280): kobject_uevent_env
kobject: 'rx-0' (00000000ce982bd9): calling ktype release
kobject: 'loop0' (0000000023d36280): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'rx-0': free name
overlayfs: workdir and upperdir must be separate subtrees
kobject: 'loop5' (0000000067cdeb06): kobject_uevent_env
kobject: 'tx-0' (00000000230cf103): kobject_cleanup, parent 00000000d00c5448
overlayfs: missing 'lowerdir'
kobject: 'loop5' (0000000067cdeb06): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'tx-0' (00000000230cf103): auto cleanup 'remove' event
protocol 88fb is buggy, dev hsr_slave_0
kobject: 'loop3' (00000000aa0285e8): kobject_uevent_env
overlayfs: workdir and upperdir must be separate subtrees
overlayfs: option "workdir=." is useless in a non-upper mount, ignore
kobject: 'loop3' (00000000aa0285e8): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'tx-0' (00000000230cf103): kobject_uevent_env
overlayfs: at least 2 lowerdir are needed while upperdir nonexistent
kobject: 'loop2' (000000002da630d0): kobject_uevent_env
kobject: 'loop2' (000000002da630d0): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'tx-0' (00000000230cf103): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'loop1' (0000000030205f4d): kobject_uevent_env
kobject: 'loop1' (0000000030205f4d): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'tx-0' (00000000230cf103): auto cleanup kobject_del
kobject: 'loop5' (0000000067cdeb06): kobject_uevent_env
kobject: 'loop5' (0000000067cdeb06): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'tx-0' (00000000230cf103): calling ktype release
overlayfs: workdir and upperdir must be separate subtrees
kobject: 'tx-0': free name
kobject: 'loop3' (00000000aa0285e8): kobject_uevent_env
kobject: 'queues' (00000000d00c5448): kobject_cleanup, parent           (null)
kobject: 'queues' (00000000d00c5448): calling ktype release
kobject: 'loop3' (00000000aa0285e8): fill_kobj_path: path = '/devices/virtual/block/loop3'
overlayfs: workdir and upperdir must be separate subtrees
kobject: 'queues' (00000000d00c5448): kset_release
kobject: 'loop1' (0000000030205f4d): kobject_uevent_env
kobject: 'queues': free name
kobject: 'loop1' (0000000030205f4d): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'gre0' (000000009cb5b771): kobject_uevent_env
kobject: 'loop2' (000000002da630d0): kobject_uevent_env
kobject: 'gre0' (000000009cb5b771): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'loop2' (000000002da630d0): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop5' (0000000067cdeb06): kobject_uevent_env
kobject: 'loop5' (0000000067cdeb06): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop3' (00000000aa0285e8): kobject_uevent_env
kobject: 'loop3' (00000000aa0285e8): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop4' (000000002f2ecc76): kobject_uevent_env
kobject: 'gre0' (000000009cb5b771): kobject_cleanup, parent           (null)
kobject: 'gre0' (000000009cb5b771): calling ktype release
overlayfs: workdir and upperdir must be separate subtrees
kobject: 'gre0': free name
kobject: 'loop4' (000000002f2ecc76): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'rx-0' (0000000032c4709a): kobject_cleanup, parent 0000000019de2523
kobject: 'loop0' (0000000023d36280): kobject_uevent_env
kobject: 'loop0' (0000000023d36280): fill_kobj_path: path = '/devices/virtual/block/loop0'
overlayfs: option "workdir=." is useless in a non-upper mount, ignore
overlayfs: workdir and upperdir must be separate subtrees
kobject: 'rx-0' (0000000032c4709a): auto cleanup 'remove' event
kobject: 'loop4' (000000002f2ecc76): kobject_uevent_env
kobject: 'loop4' (000000002f2ecc76): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'rx-0' (0000000032c4709a): kobject_uevent_env
overlayfs: at least 2 lowerdir are needed while upperdir nonexistent
kobject: 'rx-0' (0000000032c4709a): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'loop5' (0000000067cdeb06): kobject_uevent_env
overlayfs: workdir and upperdir must be separate subtrees
kobject: 'loop5' (0000000067cdeb06): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'rx-0' (0000000032c4709a): auto cleanup kobject_del
kobject: 'loop2' (000000002da630d0): kobject_uevent_env
kobject: 'loop2' (000000002da630d0): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop1' (0000000030205f4d): kobject_uevent_env
kobject: 'loop1' (0000000030205f4d): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'rx-0' (0000000032c4709a): calling ktype release
overlayfs: workdir and upperdir must be separate subtrees
kobject: 'rx-0': free name
kobject: 'tx-0' (0000000057d4dd8b): kobject_cleanup, parent 0000000019de2523
kobject: 'tx-0' (0000000057d4dd8b): auto cleanup 'remove' event
kobject: 'tx-0' (0000000057d4dd8b): kobject_uevent_env
kobject: 'tx-0' (0000000057d4dd8b): kobject_uevent_env: uevent_suppress caused the event to drop!
overlayfs: option "workdir=." is useless in a non-upper mount, ignore
overlayfs: at least 2 lowerdir are needed while upperdir nonexistent
overlayfs: workdir and upperdir must be separate subtrees
kobject: 'tx-0' (0000000057d4dd8b): auto cleanup kobject_del
overlayfs: workdir and upperdir must be separate subtrees
kobject: 'tx-0' (0000000057d4dd8b): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (0000000019de2523): kobject_cleanup, parent           (null)
kobject: 'loop1' (0000000030205f4d): kobject_uevent_env
kobject: 'loop1' (0000000030205f4d): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'queues' (0000000019de2523): calling ktype release
kobject: 'queues' (0000000019de2523): kset_release
kobject: 'loop0' (0000000023d36280): kobject_uevent_env
kobject: 'queues': free name
kobject: 'tunl0' (000000006f115241): kobject_uevent_env
kobject: 'loop0' (0000000023d36280): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'tunl0' (000000006f115241): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'tunl0' (000000006f115241): kobject_cleanup, parent           (null)
kobject: 'tunl0' (000000006f115241): calling ktype release
overlayfs: workdir and upperdir must be separate subtrees
kobject: 'loop5' (0000000067cdeb06): kobject_uevent_env
kobject: 'tunl0': free name
kobject: 'loop5' (0000000067cdeb06): fill_kobj_path: path = '/devices/virtual/block/loop5'
overlayfs: workdir and upperdir must be separate subtrees
kobject: 'loop0' (0000000023d36280): kobject_uevent_env
kobject: 'rx-0' (0000000037e0f936): kobject_cleanup, parent 00000000c9198b88
kobject: 'loop0' (0000000023d36280): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop4' (000000002f2ecc76): kobject_uevent_env
kobject: 'rx-0' (0000000037e0f936): auto cleanup 'remove' event
kobject: 'loop4' (000000002f2ecc76): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'rx-0' (0000000037e0f936): kobject_uevent_env
kobject: 'rx-0' (0000000037e0f936): kobject_uevent_env: uevent_suppress caused the event to drop!
overlayfs: workdir and upperdir must be separate subtrees
kobject: 'loop1' (0000000030205f4d): kobject_uevent_env
kobject: 'rx-0' (0000000037e0f936): auto cleanup kobject_del
kobject: 'loop1' (0000000030205f4d): fill_kobj_path: path = '/devices/virtual/block/loop1'
overlayfs: workdir and upperdir must be separate subtrees
kobject: 'rx-0' (0000000037e0f936): calling ktype release
kobject: 'loop1' (0000000030205f4d): kobject_uevent_env
kobject: 'rx-0': free name
kobject: 'loop1' (0000000030205f4d): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'tx-0' (0000000066e45d9f): kobject_cleanup, parent 00000000c9198b88
kobject: 'loop2' (000000002da630d0): kobject_uevent_env
kobject: 'tx-0' (0000000066e45d9f): auto cleanup 'remove' event
kobject: 'loop2' (000000002da630d0): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'tx-0' (0000000066e45d9f): kobject_uevent_env
kobject: 'tx-0' (0000000066e45d9f): kobject_uevent_env: uevent_suppress caused the event to drop!
overlayfs: workdir and upperdir must be separate subtrees
kobject: 'loop0' (0000000023d36280): kobject_uevent_env
overlayfs: workdir and upperdir must be separate subtrees
kobject: 'tx-0' (0000000066e45d9f): auto cleanup kobject_del
kobject: 'loop0' (0000000023d36280): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'tx-0' (0000000066e45d9f): calling ktype release
kobject: 'loop2' (000000002da630d0): kobject_uevent_env
kobject: 'loop2' (000000002da630d0): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'tx-0': free name
kobject: 'queues' (00000000c9198b88): kobject_cleanup, parent           (null)
kobject: 'queues' (00000000c9198b88): calling ktype release
kobject: 'loop0' (0000000023d36280): kobject_uevent_env
kobject: 'queues' (00000000c9198b88): kset_release
kobject: 'loop0' (0000000023d36280): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'queues': free name
kobject: 'lo' (00000000d08eab92): kobject_uevent_env
kobject: 'lo' (00000000d08eab92): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'loop4' (000000002f2ecc76): kobject_uevent_env
kobject: 'lo' (00000000d08eab92): kobject_cleanup, parent           (null)
overlayfs: option "workdir=." is useless in a non-upper mount, ignore
kobject: 'loop4' (000000002f2ecc76): fill_kobj_path: path = '/devices/virtual/block/loop4'
overlayfs: workdir and upperdir must be separate subtrees
kobject: 'lo' (00000000d08eab92): calling ktype release
kobject: 'lo': free name
overlayfs: at least 2 lowerdir are needed while upperdir nonexistent
kobject: 'loop5' (0000000067cdeb06): kobject_uevent_env
overlayfs: workdir and upperdir must be separate subtrees
kobject: 'loop5' (0000000067cdeb06): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop0' (0000000023d36280): kobject_uevent_env
kobject: 'loop0' (0000000023d36280): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop4' (000000002f2ecc76): kobject_uevent_env
overlayfs: workdir and upperdir must be separate subtrees
kobject: 'loop4' (000000002f2ecc76): fill_kobj_path: path = '/devices/virtual/block/loop4'
overlayfs: workdir and upperdir must be separate subtrees
kobject: 'loop3' (00000000aa0285e8): kobject_uevent_env
kobject: 'loop3' (00000000aa0285e8): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop1' (0000000030205f4d): kobject_uevent_env
kobject: 'loop1' (0000000030205f4d): fill_kobj_path: path = '/devices/virtual/block/loop1'
overlayfs: workdir and upperdir must be separate subtrees
kobject: 'loop5' (0000000067cdeb06): kobject_uevent_env
overlayfs: workdir and upperdir must be separate subtrees
kobject: 'loop5' (0000000067cdeb06): fill_kobj_path: path = '/devices/virtual/block/loop5'