audit: type=1400 audit(2000000357.671:230): avc:  denied  { map } for  pid=5082 comm="syz-executor.4" path="/dev/usbmon0" dev="devtmpfs" ino=14306 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
4.14.153 #0 Not tainted
------------------------------------------------------
syz-executor.4/5084 is trying to acquire lock:
 (&rp->fetch_lock){+.+.}, at: [<ffffffff83f7761f>] mon_bin_vma_fault+0x6f/0x280 drivers/usb/mon/mon_bin.c:1236

but task is already holding lock:
 (&mm->mmap_sem){++++}, at: [<ffffffff817beb45>] __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+0xde1/0x3470 mm/memory.c:4113
       handle_mm_fault+0x293/0x7c0 mm/memory.c:4150
       faultin_page mm/gup.c:514 [inline]
       __get_user_pages+0x465/0x1220 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:2187 [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.4/5084:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff817beb45>] __mm_populate+0x1e5/0x2c0 mm/gup.c:1259

stack backtrace:
CPU: 0 PID: 5084 Comm: syz-executor.4 Not tainted 4.14.153 #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+0x138/0x197 lib/dump_stack.c:53
 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+0xde1/0x3470 mm/memory.c:4113
 handle_mm_fault+0x293/0x7c0 mm/memory.c:4150
 faultin_page mm/gup.c:514 [inline]
 __get_user_pages+0x465/0x1220 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:2187 [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: 0033:0x45a219
RSP: 002b:00007f127dc6bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 000000000045a219
RDX: 0000000001000002 RSI: 0000000000400300 RDI: 0000000020a05000
RBP: 000000000075bf20 R08: 0000000000000003 R09: 0000000000000000
R10: 0000000000008012 R11: 0000000000000246 R12: 00007f127dc6c6d4
R13: 00000000004c6c31 R14: 00000000004dc3b8 R15: 00000000ffffffff
kobject: 'kvm' (ffff888219fd96d0): kobject_uevent_env
kobject: 'kvm' (ffff888219fd96d0): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop5' (ffff8880a4b660e0): kobject_uevent_env
kobject: 'loop5' (ffff8880a4b660e0): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'kvm' (ffff888219fd96d0): kobject_uevent_env
kobject: 'kvm' (ffff888219fd96d0): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop1' (ffff8880a49a25a0): kobject_uevent_env
kobject: 'loop1' (ffff8880a49a25a0): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop2' (ffff8880a49eeea0): kobject_uevent_env
kobject: 'loop2' (ffff8880a49eeea0): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'kvm' (ffff888219fd96d0): kobject_uevent_env
kobject: 'loop4' (ffff8880a4acf1a0): kobject_uevent_env
kobject: 'loop3' (ffff8880a4abaf20): kobject_uevent_env
kobject: 'loop3' (ffff8880a4abaf20): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'kvm' (ffff888219fd96d0): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop4' (ffff8880a4acf1a0): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'kvm' (ffff888219fd96d0): kobject_uevent_env
kobject: 'kvm' (ffff888219fd96d0): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop0' (ffff888062a317e0): kobject_uevent_env
kobject: 'loop0' (ffff888062a317e0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop2' (ffff8880a49eeea0): kobject_uevent_env
kobject: 'loop2' (ffff8880a49eeea0): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop1' (ffff8880a49a25a0): kobject_uevent_env
kobject: 'loop3' (ffff8880a4abaf20): kobject_uevent_env
kobject: 'loop1' (ffff8880a49a25a0): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop3' (ffff8880a4abaf20): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop2' (ffff8880a49eeea0): kobject_uevent_env
kobject: 'loop0' (ffff888062a317e0): kobject_uevent_env
kobject: 'loop2' (ffff8880a49eeea0): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop0' (ffff888062a317e0): fill_kobj_path: path = '/devices/virtual/block/loop0'
gfs2: not a GFS2 filesystem
kobject: 'loop2' (ffff8880a49eeea0): kobject_uevent_env
kobject: 'loop2' (ffff8880a49eeea0): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop1' (ffff8880a49a25a0): kobject_uevent_env
kobject: 'loop1' (ffff8880a49a25a0): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop3' (ffff8880a4abaf20): kobject_uevent_env
kobject: 'loop3' (ffff8880a4abaf20): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop0' (ffff888062a317e0): kobject_uevent_env
kobject: 'loop0' (ffff888062a317e0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop2' (ffff8880a49eeea0): kobject_uevent_env
kobject: 'loop2' (ffff8880a49eeea0): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop2' (ffff8880a49eeea0): kobject_uevent_env
kobject: 'loop2' (ffff8880a49eeea0): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop5' (ffff8880a4b660e0): kobject_uevent_env
gfs2: not a GFS2 filesystem
kobject: 'loop5' (ffff8880a4b660e0): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop2' (ffff8880a49eeea0): kobject_uevent_env
kobject: 'loop4' (ffff8880a4acf1a0): kobject_uevent_env
kobject: 'loop4' (ffff8880a4acf1a0): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop2' (ffff8880a49eeea0): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop1' (ffff8880a49a25a0): kobject_uevent_env
kobject: 'loop1' (ffff8880a49a25a0): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop3' (ffff8880a4abaf20): kobject_uevent_env
kobject: 'loop3' (ffff8880a4abaf20): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'veth2' (ffff88805d052f70): kobject_add_internal: parent: 'net', set: 'devices'
kobject: 'veth2' (ffff88805d052f70): kobject_uevent_env
kobject: 'veth2' (ffff88805d052f70): fill_kobj_path: path = '/devices/virtual/net/veth2'
kobject: 'queues' (ffff88805cdc6848): kobject_add_internal: parent: 'veth2', set: '<NULL>'
kobject: 'loop2' (ffff8880a49eeea0): kobject_uevent_env
kobject: 'queues' (ffff88805cdc6848): kobject_uevent_env
kobject: 'queues' (ffff88805cdc6848): kobject_uevent_env: filter function caused the event to drop!
kobject: 'loop2' (ffff8880a49eeea0): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'rx-0' (ffff8880a231ed90): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'rx-0' (ffff8880a231ed90): kobject_uevent_env
kobject: 'loop2' (ffff8880a49eeea0): kobject_uevent_env
kobject: 'rx-0' (ffff8880a231ed90): fill_kobj_path: path = '/devices/virtual/net/veth2/queues/rx-0'
kobject: 'loop2' (ffff8880a49eeea0): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'tx-0' (ffff8880942ed598): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'tx-0' (ffff8880942ed598): kobject_uevent_env
kobject: 'tx-0' (ffff8880942ed598): fill_kobj_path: path = '/devices/virtual/net/veth2/queues/tx-0'
gfs2: not a GFS2 filesystem
kobject: 'batman_adv' (ffff88808675d600): kobject_add_internal: parent: 'veth2', set: '<NULL>'
kobject: 'veth3' (ffff88805d050f30): kobject_add_internal: parent: 'net', set: 'devices'
kobject: 'loop2' (ffff8880a49eeea0): kobject_uevent_env
kobject: 'veth3' (ffff88805d050f30): kobject_uevent_env
kobject: 'loop2' (ffff8880a49eeea0): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'veth3' (ffff88805d050f30): fill_kobj_path: path = '/devices/virtual/net/veth3'
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1
kobject: 'loop5' (ffff8880a4b660e0): kobject_uevent_env
kobject: 'loop5' (ffff8880a4b660e0): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'queues' (ffff8880a06eb448): kobject_add_internal: parent: 'veth3', set: '<NULL>'
kobject: 'queues' (ffff8880a06eb448): kobject_uevent_env
kobject: 'queues' (ffff8880a06eb448): kobject_uevent_env: filter function caused the event to drop!
kobject: 'loop4' (ffff8880a4acf1a0): kobject_uevent_env
kobject: 'rx-0' (ffff8880a0f1b790): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'loop4' (ffff8880a4acf1a0): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'rx-0' (ffff8880a0f1b790): kobject_uevent_env
kobject: 'rx-0' (ffff8880a0f1b790): fill_kobj_path: path = '/devices/virtual/net/veth3/queues/rx-0'
kobject: 'tx-0' (ffff88808f878d58): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'tx-0' (ffff88808f878d58): kobject_uevent_env
kobject: 'tx-0' (ffff88808f878d58): fill_kobj_path: path = '/devices/virtual/net/veth3/queues/tx-0'
kobject: 'batman_adv' (ffff88808b181180): kobject_add_internal: parent: 'veth3', set: '<NULL>'
kobject: 'loop3' (ffff8880a4abaf20): kobject_uevent_env
kobject: 'loop3' (ffff8880a4abaf20): 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: 'loop2' (ffff8880a49eeea0): kobject_uevent_env
kobject: 'loop2' (ffff8880a49eeea0): fill_kobj_path: path = '/devices/virtual/block/loop2'
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1
kobject: 'veth4' (ffff88809bdfcdf0): kobject_add_internal: parent: 'net', set: 'devices'
gfs2: not a GFS2 filesystem
kobject: 'veth4' (ffff88809bdfcdf0): kobject_uevent_env
kobject: 'loop0' (ffff888062a317e0): kobject_uevent_env
kobject: 'loop0' (ffff888062a317e0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'veth4' (ffff88809bdfcdf0): fill_kobj_path: path = '/devices/virtual/net/veth4'
kobject: 'loop2' (ffff8880a49eeea0): kobject_uevent_env
kobject: 'queues' (ffff8880a1098148): kobject_add_internal: parent: 'veth4', set: '<NULL>'
kobject: 'loop2' (ffff8880a49eeea0): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'queues' (ffff8880a1098148): kobject_uevent_env
kobject: 'queues' (ffff8880a1098148): kobject_uevent_env: filter function caused the event to drop!
kobject: 'rx-0' (ffff8880a68ffc10): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'rx-0' (ffff8880a68ffc10): kobject_uevent_env
kobject: 'rx-0' (ffff8880a68ffc10): fill_kobj_path: path = '/devices/virtual/net/veth4/queues/rx-0'
kobject: 'loop2' (ffff8880a49eeea0): kobject_uevent_env
kobject: 'loop2' (ffff8880a49eeea0): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'tx-0' (ffff888091195d18): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'tx-0' (ffff888091195d18): kobject_uevent_env
kobject: 'tx-0' (ffff888091195d18): fill_kobj_path: path = '/devices/virtual/net/veth4/queues/tx-0'
kobject: 'batman_adv' (ffff8880a1502880): kobject_add_internal: parent: 'veth4', set: '<NULL>'
kobject: 'veth5' (ffff88805cf50870): kobject_add_internal: parent: 'net', set: 'devices'
kobject: 'veth5' (ffff88805cf50870): kobject_uevent_env
kobject: 'veth5' (ffff88805cf50870): fill_kobj_path: path = '/devices/virtual/net/veth5'
kobject: 'loop5' (ffff8880a4b660e0): kobject_uevent_env
kobject: 'queues' (ffff888087ff1848): kobject_add_internal: parent: 'veth5', set: '<NULL>'
kobject: 'loop5' (ffff8880a4b660e0): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'queues' (ffff888087ff1848): kobject_uevent_env
kobject: 'loop4' (ffff8880a4acf1a0): kobject_uevent_env
kobject: 'queues' (ffff888087ff1848): kobject_uevent_env: filter function caused the event to drop!
kobject: 'loop4' (ffff8880a4acf1a0): fill_kobj_path: path = '/devices/virtual/block/loop4'
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1
kobject: 'rx-0' (ffff88809393c610): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'rx-0' (ffff88809393c610): kobject_uevent_env
kobject: 'rx-0' (ffff88809393c610): fill_kobj_path: path = '/devices/virtual/net/veth5/queues/rx-0'
kobject: 'tx-0' (ffff888091195818): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'tx-0' (ffff888091195818): kobject_uevent_env
kobject: 'tx-0' (ffff888091195818): fill_kobj_path: path = '/devices/virtual/net/veth5/queues/tx-0'
kobject: 'batman_adv' (ffff8880a8a96a80): kobject_add_internal: parent: 'veth5', set: '<NULL>'
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1
kobject: 'loop3' (ffff8880a4abaf20): kobject_uevent_env
kobject: 'loop3' (ffff8880a4abaf20): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop0' (ffff888062a317e0): kobject_uevent_env
kobject: 'loop0' (ffff888062a317e0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop4' (ffff8880a4acf1a0): kobject_uevent_env
kobject: 'loop4' (ffff8880a4acf1a0): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop2' (ffff8880a49eeea0): kobject_uevent_env
kobject: 'loop2' (ffff8880a49eeea0): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop5' (ffff8880a4b660e0): kobject_uevent_env
kobject: 'loop5' (ffff8880a4b660e0): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop1' (ffff8880a49a25a0): kobject_uevent_env
kobject: 'loop1' (ffff8880a49a25a0): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'veth6' (ffff88808d286c30): kobject_add_internal: parent: 'net', set: 'devices'
kobject: 'veth6' (ffff88808d286c30): kobject_uevent_env
kobject: 'veth6' (ffff88808d286c30): fill_kobj_path: path = '/devices/virtual/net/veth6'
kobject: 'queues' (ffff888092cf8c48): kobject_add_internal: parent: 'veth6', set: '<NULL>'
kobject: 'queues' (ffff888092cf8c48): kobject_uevent_env
kobject: 'queues' (ffff888092cf8c48): kobject_uevent_env: filter function caused the event to drop!
kobject: 'rx-0' (ffff888097ae5c10): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'rx-0' (ffff888097ae5c10): kobject_uevent_env
kobject: 'rx-0' (ffff888097ae5c10): fill_kobj_path: path = '/devices/virtual/net/veth6/queues/rx-0'
kobject: 'tx-0' (ffff8880a1653598): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'loop5' (ffff8880a4b660e0): kobject_uevent_env
kobject: 'loop5' (ffff8880a4b660e0): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'tx-0' (ffff8880a1653598): kobject_uevent_env
kobject: 'tx-0' (ffff8880a1653598): fill_kobj_path: path = '/devices/virtual/net/veth6/queues/tx-0'
kobject: 'batman_adv' (ffff8880982c6080): kobject_add_internal: parent: 'veth6', set: '<NULL>'
kobject: 'loop4' (ffff8880a4acf1a0): kobject_uevent_env
kobject: 'veth7' (ffff88808ef23330): kobject_add_internal: parent: 'net', set: 'devices'
kobject: 'loop4' (ffff8880a4acf1a0): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'veth7' (ffff88808ef23330): kobject_uevent_env
kobject: 'veth7' (ffff88808ef23330): fill_kobj_path: path = '/devices/virtual/net/veth7'
kobject: 'loop2' (ffff8880a49eeea0): kobject_uevent_env
kobject: 'loop2' (ffff8880a49eeea0): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'queues' (ffff88809ac86e48): kobject_add_internal: parent: 'veth7', set: '<NULL>'
kobject: 'loop0' (ffff888062a317e0): kobject_uevent_env
kobject: 'queues' (ffff88809ac86e48): kobject_uevent_env
kobject: 'loop0' (ffff888062a317e0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'queues' (ffff88809ac86e48): kobject_uevent_env: filter function caused the event to drop!
kobject: 'rx-0' (ffff888091764190): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'loop5' (ffff8880a4b660e0): kobject_uevent_env
kobject: 'rx-0' (ffff888091764190): kobject_uevent_env
kobject: 'loop5' (ffff8880a4b660e0): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'rx-0' (ffff888091764190): fill_kobj_path: path = '/devices/virtual/net/veth7/queues/rx-0'
kobject: 'tx-0' (ffff8880693670d8): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'tx-0' (ffff8880693670d8): kobject_uevent_env
kobject: 'loop0' (ffff888062a317e0): kobject_uevent_env
kobject: 'tx-0' (ffff8880693670d8): fill_kobj_path: path = '/devices/virtual/net/veth7/queues/tx-0'
kobject: 'loop0' (ffff888062a317e0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'batman_adv' (ffff88808401e080): kobject_add_internal: parent: 'veth7', set: '<NULL>'
kobject: 'loop4' (ffff8880a4acf1a0): kobject_uevent_env
kobject: 'loop4' (ffff8880a4acf1a0): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop2' (ffff8880a49eeea0): kobject_uevent_env
kobject: 'loop2' (ffff8880a49eeea0): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop3' (ffff8880a4abaf20): kobject_uevent_env
kobject: 'loop3' (ffff8880a4abaf20): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop0' (ffff888062a317e0): kobject_uevent_env
kobject: 'loop0' (ffff888062a317e0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop1' (ffff8880a49a25a0): kobject_uevent_env
kobject: 'loop1' (ffff8880a49a25a0): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'veth8' (ffff88802a68a770): kobject_add_internal: parent: 'net', set: 'devices'
net_ratelimit: 14 callbacks suppressed
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1
kobject: 'veth8' (ffff88802a68a770): kobject_uevent_env
kobject: 'veth8' (ffff88802a68a770): fill_kobj_path: path = '/devices/virtual/net/veth8'
kobject: 'queues' (ffff8880a9f77048): kobject_add_internal: parent: 'veth8', set: '<NULL>'
kobject: 'queues' (ffff8880a9f77048): kobject_uevent_env
kobject: 'queues' (ffff8880a9f77048): kobject_uevent_env: filter function caused the event to drop!
kobject: 'rx-0' (ffff8880a9e1c610): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'rx-0' (ffff8880a9e1c610): kobject_uevent_env
kobject: 'rx-0' (ffff8880a9e1c610): fill_kobj_path: path = '/devices/virtual/net/veth8/queues/rx-0'
kobject: 'loop2' (ffff8880a49eeea0): kobject_uevent_env
kobject: 'tx-0' (ffff888060e46298): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'loop2' (ffff8880a49eeea0): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop4' (ffff8880a4acf1a0): kobject_uevent_env
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1
kobject: 'tx-0' (ffff888060e46298): kobject_uevent_env
kobject: 'tx-0' (ffff888060e46298): fill_kobj_path: path = '/devices/virtual/net/veth8/queues/tx-0'
kobject: 'batman_adv' (ffff888068926c80): kobject_add_internal: parent: 'veth8', set: '<NULL>'
kobject: 'loop4' (ffff8880a4acf1a0): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'veth9' (ffff88807e6dedb0): kobject_add_internal: parent: 'net', set: 'devices'
kobject: 'loop0' (ffff888062a317e0): kobject_uevent_env
kobject: 'loop0' (ffff888062a317e0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'veth9' (ffff88807e6dedb0): kobject_uevent_env
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1
kobject: 'veth9' (ffff88807e6dedb0): fill_kobj_path: path = '/devices/virtual/net/veth9'
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1
kobject: 'queues' (ffff8880a1413548): kobject_add_internal: parent: 'veth9', set: '<NULL>'
kobject: 'queues' (ffff8880a1413548): kobject_uevent_env
kobject: 'queues' (ffff8880a1413548): kobject_uevent_env: filter function caused the event to drop!
kobject: 'rx-0' (ffff8880a0ede550): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'rx-0' (ffff8880a0ede550): kobject_uevent_env
kobject: 'rx-0' (ffff8880a0ede550): fill_kobj_path: path = '/devices/virtual/net/veth9/queues/rx-0'
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1
kobject: 'loop4' (ffff8880a4acf1a0): kobject_uevent_env
kobject: 'tx-0' (ffff888060e46518): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'loop4' (ffff8880a4acf1a0): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'tx-0' (ffff888060e46518): kobject_uevent_env
kobject: 'loop2' (ffff8880a49eeea0): kobject_uevent_env
kobject: 'loop2' (ffff8880a49eeea0): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'tx-0' (ffff888060e46518): fill_kobj_path: path = '/devices/virtual/net/veth9/queues/tx-0'
kobject: 'loop0' (ffff888062a317e0): kobject_uevent_env
kobject: 'loop0' (ffff888062a317e0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'batman_adv' (ffff8880a606aa80): kobject_add_internal: parent: 'veth9', set: '<NULL>'
kobject: 'loop5' (ffff8880a4b660e0): kobject_uevent_env
kobject: 'loop5' (ffff8880a4b660e0): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop5' (ffff8880a4b660e0): kobject_uevent_env
kobject: 'loop5' (ffff8880a4b660e0): fill_kobj_path: path = '/devices/virtual/block/loop5'