=====================================================
WARNING: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected
4.19.57 #30 Not tainted
-----------------------------------------------------
syz-executor.5/15554 [HC0[0]:SC0[0]:HE0:SE1] is trying to acquire:
000000006b984cfd (&ctx->fault_pending_wqh){+.+.}, at: spin_lock include/linux/spinlock.h:329 [inline]
000000006b984cfd (&ctx->fault_pending_wqh){+.+.}, at: userfaultfd_ctx_read fs/userfaultfd.c:1046 [inline]
000000006b984cfd (&ctx->fault_pending_wqh){+.+.}, at: userfaultfd_read+0x394/0x18c0 fs/userfaultfd.c:1204
kobject: 'loop4' (0000000004e8511e): kobject_uevent_env
and this task is already holding:
0000000048aca712 (&ctx->fd_wqh){....}, at: spin_lock_irq include/linux/spinlock.h:354 [inline]
0000000048aca712 (&ctx->fd_wqh){....}, at: userfaultfd_ctx_read fs/userfaultfd.c:1042 [inline]
0000000048aca712 (&ctx->fd_wqh){....}, at: userfaultfd_read+0x262/0x18c0 fs/userfaultfd.c:1204
which would create a new lock dependency:
kobject: 'loop4' (0000000004e8511e): fill_kobj_path: path = '/devices/virtual/block/loop4'
(&ctx->fd_wqh){....} -> (&ctx->fault_pending_wqh){+.+.}
but this new dependency connects a SOFTIRQ-irq-safe lock:
(&(&ctx->ctx_lock)->rlock){..-.}
... which became SOFTIRQ-irq-safe at:
lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900
kobject: 'loop3' (00000000d7bb98c8): kobject_uevent_env
__raw_spin_lock_irq include/linux/spinlock_api_smp.h:128 [inline]
_raw_spin_lock_irq+0x60/0x80 kernel/locking/spinlock.c:160
spin_lock_irq include/linux/spinlock.h:354 [inline]
free_ioctx_users+0x2d/0x490 fs/aio.c:614
percpu_ref_put_many include/linux/percpu-refcount.h:284 [inline]
percpu_ref_put include/linux/percpu-refcount.h:300 [inline]
percpu_ref_call_confirm_rcu lib/percpu-refcount.c:123 [inline]
percpu_ref_switch_to_atomic_rcu+0x407/0x540 lib/percpu-refcount.c:158
kobject: 'loop3' (00000000d7bb98c8): fill_kobj_path: path = '/devices/virtual/block/loop3'
__rcu_reclaim kernel/rcu/rcu.h:236 [inline]
rcu_do_batch kernel/rcu/tree.c:2584 [inline]
invoke_rcu_callbacks kernel/rcu/tree.c:2897 [inline]
__rcu_process_callbacks kernel/rcu/tree.c:2864 [inline]
rcu_process_callbacks+0xba0/0x1a30 kernel/rcu/tree.c:2881
__do_softirq+0x25c/0x921 kernel/softirq.c:292
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x180/0x1d0 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1056
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:869
rdtsc arch/x86/include/asm/msr.h:205 [inline]
rdtsc_ordered arch/x86/include/asm/msr.h:232 [inline]
delay_tsc+0x4c/0xc0 arch/x86/lib/delay.c:61
__delay arch/x86/lib/delay.c:161 [inline]
__const_udelay+0x59/0x80 arch/x86/lib/delay.c:175
try_check_zero+0x201/0x330 kernel/rcu/srcutree.c:723
kobject: 'loop4' (0000000004e8511e): kobject_uevent_env
srcu_advance_state kernel/rcu/srcutree.c:1157 [inline]
process_srcu+0x329/0xec0 kernel/rcu/srcutree.c:1251
process_one_work+0x989/0x1750 kernel/workqueue.c:2153
worker_thread+0x98/0xe40 kernel/workqueue.c:2296
kthread+0x354/0x420 kernel/kthread.c:246
kobject: 'loop4' (0000000004e8511e): fill_kobj_path: path = '/devices/virtual/block/loop4'
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
to a SOFTIRQ-irq-unsafe lock:
(&ctx->fault_pending_wqh){+.+.}
... which became SOFTIRQ-irq-unsafe at:
...
lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900
__raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline]
_raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144
spin_lock include/linux/spinlock.h:329 [inline]
userfaultfd_release+0x4d6/0x720 fs/userfaultfd.c:922
__fput+0x2dd/0x8b0 fs/file_table.c:278
____fput+0x16/0x20 fs/file_table.c:309
task_work_run+0x145/0x1c0 kernel/task_work.c:113
tracehook_notify_resume include/linux/tracehook.h:193 [inline]
exit_to_usermode_loop+0x273/0x2c0 arch/x86/entry/common.c:167
prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline]
syscall_return_slowpath arch/x86/entry/common.c:271 [inline]
do_syscall_64+0x53d/0x620 arch/x86/entry/common.c:296
entry_SYSCALL_64_after_hwframe+0x49/0xbe
other info that might help us debug this:
kobject: 'loop4' (0000000004e8511e): kobject_uevent_env
Chain exists of:
&(&ctx->ctx_lock)->rlock --> &ctx->fd_wqh --> &ctx->fault_pending_wqh
kobject: 'loop4' (0000000004e8511e): fill_kobj_path: path = '/devices/virtual/block/loop4'
Possible interrupt unsafe locking scenario:
CPU0 CPU1
---- ----
lock(&ctx->fault_pending_wqh);
local_irq_disable();
lock(&(&ctx->ctx_lock)->rlock);
lock(&ctx->fd_wqh);
<Interrupt>
lock(&(&ctx->ctx_lock)->rlock);
*** DEADLOCK ***
1 lock held by syz-executor.5/15554:
#0: 0000000048aca712 (&ctx->fd_wqh){....}, at: spin_lock_irq include/linux/spinlock.h:354 [inline]
#0: 0000000048aca712 (&ctx->fd_wqh){....}, at: userfaultfd_ctx_read fs/userfaultfd.c:1042 [inline]
#0: 0000000048aca712 (&ctx->fd_wqh){....}, at: userfaultfd_read+0x262/0x18c0 fs/userfaultfd.c:1204
the dependencies between SOFTIRQ-irq-safe lock and the holding lock:
-> (&(&ctx->ctx_lock)->rlock){..-.} ops: 33 {
IN-SOFTIRQ-W at:
lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900
__raw_spin_lock_irq include/linux/spinlock_api_smp.h:128 [inline]
_raw_spin_lock_irq+0x60/0x80 kernel/locking/spinlock.c:160
spin_lock_irq include/linux/spinlock.h:354 [inline]
free_ioctx_users+0x2d/0x490 fs/aio.c:614
percpu_ref_put_many include/linux/percpu-refcount.h:284 [inline]
percpu_ref_put include/linux/percpu-refcount.h:300 [inline]
percpu_ref_call_confirm_rcu lib/percpu-refcount.c:123 [inline]
percpu_ref_switch_to_atomic_rcu+0x407/0x540 lib/percpu-refcount.c:158
kobject: 'loop3' (00000000d7bb98c8): kobject_uevent_env
__rcu_reclaim kernel/rcu/rcu.h:236 [inline]
rcu_do_batch kernel/rcu/tree.c:2584 [inline]
invoke_rcu_callbacks kernel/rcu/tree.c:2897 [inline]
__rcu_process_callbacks kernel/rcu/tree.c:2864 [inline]
rcu_process_callbacks+0xba0/0x1a30 kernel/rcu/tree.c:2881
__do_softirq+0x25c/0x921 kernel/softirq.c:292
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x180/0x1d0 kernel/softirq.c:412
kobject: 'loop3' (00000000d7bb98c8): fill_kobj_path: path = '/devices/virtual/block/loop3'
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1056
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:869
rdtsc arch/x86/include/asm/msr.h:205 [inline]
rdtsc_ordered arch/x86/include/asm/msr.h:232 [inline]
delay_tsc+0x4c/0xc0 arch/x86/lib/delay.c:61
__delay arch/x86/lib/delay.c:161 [inline]
__const_udelay+0x59/0x80 arch/x86/lib/delay.c:175
try_check_zero+0x201/0x330 kernel/rcu/srcutree.c:723
srcu_advance_state kernel/rcu/srcutree.c:1157 [inline]
process_srcu+0x329/0xec0 kernel/rcu/srcutree.c:1251
process_one_work+0x989/0x1750 kernel/workqueue.c:2153
worker_thread+0x98/0xe40 kernel/workqueue.c:2296
kthread+0x354/0x420 kernel/kthread.c:246
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
INITIAL USE at:
lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900
__raw_spin_lock_irq include/linux/spinlock_api_smp.h:128 [inline]
_raw_spin_lock_irq+0x60/0x80 kernel/locking/spinlock.c:160
spin_lock_irq include/linux/spinlock.h:354 [inline]
free_ioctx_users+0x2d/0x490 fs/aio.c:614
percpu_ref_put_many include/linux/percpu-refcount.h:284 [inline]
percpu_ref_put include/linux/percpu-refcount.h:300 [inline]
percpu_ref_call_confirm_rcu lib/percpu-refcount.c:123 [inline]
percpu_ref_switch_to_atomic_rcu+0x407/0x540 lib/percpu-refcount.c:158
__rcu_reclaim kernel/rcu/rcu.h:236 [inline]
rcu_do_batch kernel/rcu/tree.c:2584 [inline]
invoke_rcu_callbacks kernel/rcu/tree.c:2897 [inline]
__rcu_process_callbacks kernel/rcu/tree.c:2864 [inline]
rcu_process_callbacks+0xba0/0x1a30 kernel/rcu/tree.c:2881
__do_softirq+0x25c/0x921 kernel/softirq.c:292
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x180/0x1d0 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1056
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:869
rdtsc arch/x86/include/asm/msr.h:205 [inline]
rdtsc_ordered arch/x86/include/asm/msr.h:232 [inline]
delay_tsc+0x4c/0xc0 arch/x86/lib/delay.c:61
__delay arch/x86/lib/delay.c:161 [inline]
__const_udelay+0x59/0x80 arch/x86/lib/delay.c:175
try_check_zero+0x201/0x330 kernel/rcu/srcutree.c:723
srcu_advance_state kernel/rcu/srcutree.c:1157 [inline]
process_srcu+0x329/0xec0 kernel/rcu/srcutree.c:1251
process_one_work+0x989/0x1750 kernel/workqueue.c:2153
worker_thread+0x98/0xe40 kernel/workqueue.c:2296
kthread+0x354/0x420 kernel/kthread.c:246
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
}
... key at: [<ffffffff8a3873a0>] __key.50195+0x0/0x40
... acquired at:
__raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline]
_raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144
spin_lock include/linux/spinlock.h:329 [inline]
aio_poll fs/aio.c:1741 [inline]
__io_submit_one fs/aio.c:1849 [inline]
io_submit_one+0xef2/0x2eb0 fs/aio.c:1885
__do_sys_io_submit fs/aio.c:1929 [inline]
__se_sys_io_submit fs/aio.c:1900 [inline]
__x64_sys_io_submit+0x1aa/0x520 fs/aio.c:1900
do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
-> (&ctx->fd_wqh){....} ops: 25 {
INITIAL USE at:
lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0x95/0xcd kernel/locking/spinlock.c:152
__wake_up_common_lock+0xc7/0x190 kernel/sched/wait.c:120
__wake_up+0xe/0x10 kernel/sched/wait.c:145
userfaultfd_release+0x534/0x720 fs/userfaultfd.c:930
__fput+0x2dd/0x8b0 fs/file_table.c:278
____fput+0x16/0x20 fs/file_table.c:309
task_work_run+0x145/0x1c0 kernel/task_work.c:113
tracehook_notify_resume include/linux/tracehook.h:193 [inline]
exit_to_usermode_loop+0x273/0x2c0 arch/x86/entry/common.c:167
prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline]
syscall_return_slowpath arch/x86/entry/common.c:271 [inline]
do_syscall_64+0x53d/0x620 arch/x86/entry/common.c:296
entry_SYSCALL_64_after_hwframe+0x49/0xbe
}
... key at: [<ffffffff8a387120>] __key.43732+0x0/0x40
... acquired at:
lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900
__raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline]
_raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144
spin_lock include/linux/spinlock.h:329 [inline]
userfaultfd_ctx_read fs/userfaultfd.c:1046 [inline]
userfaultfd_read+0x394/0x18c0 fs/userfaultfd.c:1204
__vfs_read+0x114/0x800 fs/read_write.c:416
vfs_read+0x194/0x3d0 fs/read_write.c:452
ksys_read+0x14f/0x2d0 fs/read_write.c:579
__do_sys_read fs/read_write.c:589 [inline]
__se_sys_read fs/read_write.c:587 [inline]
__x64_sys_read+0x73/0xb0 fs/read_write.c:587
do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
the dependencies between the lock to be acquired
and SOFTIRQ-irq-unsafe lock:
-> (&ctx->fault_pending_wqh){+.+.} ops: 14 {
HARDIRQ-ON-W at:
lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900
__raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline]
_raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144
spin_lock include/linux/spinlock.h:329 [inline]
userfaultfd_release+0x4d6/0x720 fs/userfaultfd.c:922
__fput+0x2dd/0x8b0 fs/file_table.c:278
____fput+0x16/0x20 fs/file_table.c:309
task_work_run+0x145/0x1c0 kernel/task_work.c:113
tracehook_notify_resume include/linux/tracehook.h:193 [inline]
exit_to_usermode_loop+0x273/0x2c0 arch/x86/entry/common.c:167
prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline]
syscall_return_slowpath arch/x86/entry/common.c:271 [inline]
do_syscall_64+0x53d/0x620 arch/x86/entry/common.c:296
entry_SYSCALL_64_after_hwframe+0x49/0xbe
SOFTIRQ-ON-W at:
lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900
__raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline]
_raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144
spin_lock include/linux/spinlock.h:329 [inline]
userfaultfd_release+0x4d6/0x720 fs/userfaultfd.c:922
__fput+0x2dd/0x8b0 fs/file_table.c:278
____fput+0x16/0x20 fs/file_table.c:309
task_work_run+0x145/0x1c0 kernel/task_work.c:113
tracehook_notify_resume include/linux/tracehook.h:193 [inline]
exit_to_usermode_loop+0x273/0x2c0 arch/x86/entry/common.c:167
prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline]
syscall_return_slowpath arch/x86/entry/common.c:271 [inline]
do_syscall_64+0x53d/0x620 arch/x86/entry/common.c:296
entry_SYSCALL_64_after_hwframe+0x49/0xbe
INITIAL USE at:
lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900
__raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline]
_raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144
spin_lock include/linux/spinlock.h:329 [inline]
userfaultfd_release+0x4d6/0x720 fs/userfaultfd.c:922
__fput+0x2dd/0x8b0 fs/file_table.c:278
____fput+0x16/0x20 fs/file_table.c:309
task_work_run+0x145/0x1c0 kernel/task_work.c:113
tracehook_notify_resume include/linux/tracehook.h:193 [inline]
exit_to_usermode_loop+0x273/0x2c0 arch/x86/entry/common.c:167
prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline]
syscall_return_slowpath arch/x86/entry/common.c:271 [inline]
do_syscall_64+0x53d/0x620 arch/x86/entry/common.c:296
entry_SYSCALL_64_after_hwframe+0x49/0xbe
}
... key at: [<ffffffff8a3871e0>] __key.43729+0x0/0x40
... acquired at:
lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900
__raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline]
_raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144
spin_lock include/linux/spinlock.h:329 [inline]
userfaultfd_ctx_read fs/userfaultfd.c:1046 [inline]
userfaultfd_read+0x394/0x18c0 fs/userfaultfd.c:1204
__vfs_read+0x114/0x800 fs/read_write.c:416
vfs_read+0x194/0x3d0 fs/read_write.c:452
ksys_read+0x14f/0x2d0 fs/read_write.c:579
__do_sys_read fs/read_write.c:589 [inline]
__se_sys_read fs/read_write.c:587 [inline]
__x64_sys_read+0x73/0xb0 fs/read_write.c:587
do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
stack backtrace:
CPU: 0 PID: 15554 Comm: syz-executor.5 Not tainted 4.19.57 #30
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+0x172/0x1f0 lib/dump_stack.c:113
print_bad_irq_dependency kernel/locking/lockdep.c:1568 [inline]
check_usage.cold+0x611/0x946 kernel/locking/lockdep.c:1600
check_irq_usage kernel/locking/lockdep.c:1656 [inline]
check_prev_add_irq kernel/locking/lockdep_states.h:8 [inline]
check_prev_add kernel/locking/lockdep.c:1866 [inline]
check_prevs_add kernel/locking/lockdep.c:1974 [inline]
validate_chain kernel/locking/lockdep.c:2415 [inline]
__lock_acquire+0x1ee4/0x48f0 kernel/locking/lockdep.c:3411
lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900
__raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline]
_raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144
spin_lock include/linux/spinlock.h:329 [inline]
userfaultfd_ctx_read fs/userfaultfd.c:1046 [inline]
userfaultfd_read+0x394/0x18c0 fs/userfaultfd.c:1204
__vfs_read+0x114/0x800 fs/read_write.c:416
vfs_read+0x194/0x3d0 fs/read_write.c:452
ksys_read+0x14f/0x2d0 fs/read_write.c:579
__do_sys_read fs/read_write.c:589 [inline]
__se_sys_read fs/read_write.c:587 [inline]
__x64_sys_read+0x73/0xb0 fs/read_write.c:587
do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x4597c9
Code: fd b7 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 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f8f82e51c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004597c9
RDX: 0000000000000064 RSI: 0000000020009f9c RDI: 0000000000000003
RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8f82e526d4
R13: 00000000004c58fc R14: 00000000004dba38 R15: 00000000ffffffff
kobject: 'loop1' (000000005cb11ab3): kobject_uevent_env
kobject: 'loop1' (000000005cb11ab3): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop2' (0000000035f90158): kobject_uevent_env
kobject: 'loop2' (0000000035f90158): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop0' (0000000069b5e442): kobject_uevent_env
kobject: 'loop0' (0000000069b5e442): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop2' (0000000035f90158): kobject_uevent_env
kobject: 'loop2' (0000000035f90158): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop5' (00000000b27fd696): kobject_uevent_env
kobject: 'loop5' (00000000b27fd696): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop3' (00000000d7bb98c8): kobject_uevent_env
kobject: 'loop3' (00000000d7bb98c8): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop2' (0000000035f90158): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'loop2' (0000000035f90158): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop0' (0000000069b5e442): kobject_uevent_env
kobject: 'loop0' (0000000069b5e442): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop4' (0000000004e8511e): kobject_uevent_env
kobject: 'loop4' (0000000004e8511e): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop1' (000000005cb11ab3): kobject_uevent_env
kobject: 'loop1' (000000005cb11ab3): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop2' (0000000035f90158): kobject_uevent_env
kobject: 'loop2' (0000000035f90158): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop0' (0000000069b5e442): kobject_uevent_env
kobject: 'loop0' (0000000069b5e442): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop5' (00000000b27fd696): kobject_uevent_env
kobject: 'loop5' (00000000b27fd696): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop1' (000000005cb11ab3): kobject_uevent_env
kobject: 'loop1' (000000005cb11ab3): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop4' (0000000004e8511e): kobject_uevent_env
kobject: 'loop4' (0000000004e8511e): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'loop2' (0000000035f90158): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop2' (0000000035f90158): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop0' (0000000069b5e442): kobject_uevent_env
kobject: 'loop0' (0000000069b5e442): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop5' (00000000b27fd696): kobject_uevent_env
kobject: 'loop5' (00000000b27fd696): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop1' (000000005cb11ab3): kobject_uevent_env
kobject: 'loop1' (000000005cb11ab3): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop0' (0000000069b5e442): kobject_uevent_env
kobject: 'loop0' (0000000069b5e442): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop4' (0000000004e8511e): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'loop4' (0000000004e8511e): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop3' (00000000d7bb98c8): kobject_uevent_env
kobject: 'loop3' (00000000d7bb98c8): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop2' (0000000035f90158): kobject_uevent_env
kobject: 'loop2' (0000000035f90158): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop4' (0000000004e8511e): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'loop4' (0000000004e8511e): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'loop5' (00000000b27fd696): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop5' (00000000b27fd696): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'loop5' (00000000b27fd696): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop5' (00000000b27fd696): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop3' (00000000d7bb98c8): kobject_uevent_env
kobject: 'loop3' (00000000d7bb98c8): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop0' (0000000069b5e442): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'loop0' (0000000069b5e442): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop4' (0000000004e8511e): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop4' (0000000004e8511e): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'loop5' (00000000b27fd696): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop5' (00000000b27fd696): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop2' (0000000035f90158): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop2' (0000000035f90158): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop1' (000000005cb11ab3): kobject_uevent_env
kobject: 'loop1' (000000005cb11ab3): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop3' (00000000d7bb98c8): kobject_uevent_env
kobject: 'loop3' (00000000d7bb98c8): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop4' (0000000004e8511e): kobject_uevent_env
kobject: 'loop4' (0000000004e8511e): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop3' (00000000d7bb98c8): kobject_uevent_env
kobject: 'loop3' (00000000d7bb98c8): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop0' (0000000069b5e442): kobject_uevent_env
kobject: 'loop0' (0000000069b5e442): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop5' (00000000b27fd696): kobject_uevent_env
kobject: 'loop5' (00000000b27fd696): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop2' (0000000035f90158): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'loop2' (0000000035f90158): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop1' (000000005cb11ab3): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'loop1' (000000005cb11ab3): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop4' (0000000004e8511e): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop4' (0000000004e8511e): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop3' (00000000d7bb98c8): kobject_uevent_env
kobject: 'loop3' (00000000d7bb98c8): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop1' (000000005cb11ab3): kobject_uevent_env
kobject: 'loop1' (000000005cb11ab3): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop2' (0000000035f90158): kobject_uevent_env
kobject: 'loop2' (0000000035f90158): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop4' (0000000004e8511e): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop4' (0000000004e8511e): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'loop5' (00000000b27fd696): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'loop5' (00000000b27fd696): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop0' (0000000069b5e442): kobject_uevent_env
kobject: 'loop0' (0000000069b5e442): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'loop3' (00000000d7bb98c8): kobject_uevent_env
kobject: 'loop3' (00000000d7bb98c8): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop1' (000000005cb11ab3): kobject_uevent_env
kobject: 'loop1' (000000005cb11ab3): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop4' (0000000004e8511e): kobject_uevent_env
kobject: 'loop4' (0000000004e8511e): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop2' (0000000035f90158): kobject_uevent_env
kobject: 'loop2' (0000000035f90158): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop5' (00000000b27fd696): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop5' (00000000b27fd696): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'loop3' (00000000d7bb98c8): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop3' (00000000d7bb98c8): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop1' (000000005cb11ab3): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'loop1' (000000005cb11ab3): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop0' (0000000069b5e442): kobject_uevent_env
kobject: 'loop0' (0000000069b5e442): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop4' (0000000004e8511e): kobject_uevent_env
kobject: 'loop4' (0000000004e8511e): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'loop1' (000000005cb11ab3): kobject_uevent_env
kobject: 'loop1' (000000005cb11ab3): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'loop2' (0000000035f90158): kobject_uevent_env
kobject: 'loop2' (0000000035f90158): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop5' (00000000b27fd696): kobject_uevent_env
kobject: 'loop5' (00000000b27fd696): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop4' (0000000004e8511e): kobject_uevent_env
kobject: 'loop4' (0000000004e8511e): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop1' (000000005cb11ab3): kobject_uevent_env
kobject: 'loop1' (000000005cb11ab3): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop5' (00000000b27fd696): kobject_uevent_env
kobject: 'loop5' (00000000b27fd696): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop3' (00000000d7bb98c8): kobject_uevent_env
kobject: 'loop3' (00000000d7bb98c8): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop4' (0000000004e8511e): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'loop4' (0000000004e8511e): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop0' (0000000069b5e442): kobject_uevent_env
kobject: 'loop0' (0000000069b5e442): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop1' (000000005cb11ab3): kobject_uevent_env
kobject: 'loop1' (000000005cb11ab3): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop5' (00000000b27fd696): kobject_uevent_env
kobject: 'loop5' (00000000b27fd696): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop4' (0000000004e8511e): kobject_uevent_env
kobject: 'loop4' (0000000004e8511e): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): kobject_uevent_env
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'kvm' (000000000c3d9789): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop0' (0000000069b5e442): kobject_uevent_env
kobject: 'loop0' (0000000069b5e442): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop5' (00000000b27fd696): kobject_uevent_env
kobject: 'loop5' (00000000b27fd696): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop3' (00000000d7bb98c8): kobject_uevent_env
kobject: 'loop3' (00000000d7bb98c8): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop2' (0000000035f90158): kobject_uevent_env
audit: type=1400 audit(1562352387.313:213): avc: denied { sys_admin } for pid=15872 comm="syz-executor.5" capability=21 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1
kobject: 'loop2' (0000000035f90158): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop1' (000000005cb11ab3): kobject_uevent_env
kobject: 'loop1' (000000005cb11ab3): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop4' (0000000004e8511e): kobject_uevent_env
ntfs: (device loop1): parse_options(): Unrecognized mount option .
kobject: 'loop4' (0000000004e8511e): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop1' (000000005cb11ab3): kobject_uevent_env
kobject: 'loop1' (000000005cb11ab3): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop0' (0000000069b5e442): kobject_uevent_env
kobject: 'loop0' (0000000069b5e442): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop1' (000000005cb11ab3): kobject_uevent_env
kobject: 'loop1' (000000005cb11ab3): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop1' (000000005cb11ab3): kobject_uevent_env
kobject: 'loop1' (000000005cb11ab3): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop3' (00000000d7bb98c8): kobject_uevent_env
kobject: 'loop3' (00000000d7bb98c8): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop0' (0000000069b5e442): kobject_uevent_env
kobject: 'loop1' (000000005cb11ab3): kobject_uevent_env
kobject: 'loop1' (000000005cb11ab3): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop0' (0000000069b5e442): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop4' (0000000004e8511e): kobject_uevent_env
kobject: 'loop4' (0000000004e8511e): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop5' (00000000b27fd696): kobject_uevent_env
kobject: 'loop5' (00000000b27fd696): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop4' (0000000004e8511e): kobject_uevent_env
kobject: 'loop4' (0000000004e8511e): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop0' (0000000069b5e442): kobject_uevent_env
kobject: 'loop0' (0000000069b5e442): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop3' (00000000d7bb98c8): kobject_uevent_env
kobject: 'loop3' (00000000d7bb98c8): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop4' (0000000004e8511e): kobject_uevent_env
kobject: 'loop4' (0000000004e8511e): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop3' (00000000d7bb98c8): kobject_uevent_env
kobject: 'loop3' (00000000d7bb98c8): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop0' (0000000069b5e442): kobject_uevent_env
kobject: 'loop0' (0000000069b5e442): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop4' (0000000004e8511e): kobject_uevent_env
kobject: 'loop4' (0000000004e8511e): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop5' (00000000b27fd696): kobject_uevent_env
kobject: 'loop5' (00000000b27fd696): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop1' (000000005cb11ab3): kobject_uevent_env
kobject: 'loop1' (000000005cb11ab3): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop2' (0000000035f90158): kobject_uevent_env
kobject: 'loop2' (0000000035f90158): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop1' (000000005cb11ab3): kobject_uevent_env
kobject: 'loop1' (000000005cb11ab3): fill_kobj_path: path = '/devices/virtual/block/loop1'
ntfs: (device loop1): parse_options(): Unrecognized mount option .
kobject: 'loop3' (00000000d7bb98c8): kobject_uevent_env
kobject: 'loop3' (00000000d7bb98c8): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop1' (000000005cb11ab3): kobject_uevent_env
kobject: 'loop1' (000000005cb11ab3): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop4' (0000000004e8511e): kobject_uevent_env
kobject: 'loop4' (0000000004e8511e): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop0' (0000000069b5e442): kobject_uevent_env
kobject: 'loop0' (0000000069b5e442): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop1' (000000005cb11ab3): kobject_uevent_env
kobject: 'loop5' (00000000b27fd696): kobject_uevent_env
kobject: 'loop5' (00000000b27fd696): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop1' (000000005cb11ab3): fill_kobj_path: path = '/devices/virtual/block/loop1'
ntfs: (device loop1): parse_options(): Unrecognized mount option .
kobject: 'loop1' (000000005cb11ab3): kobject_uevent_env
kobject: 'loop1' (000000005cb11ab3): fill_kobj_path: path = '/devices/virtual/block/loop1'